/*
 * AI轻创社 UI v104 · 会员选择与动态权益
 * 目标：个人主理人、真实实践、统一布局。业务状态继续以后端为唯一依据。
 * 本文件是唯一视觉覆盖层；不在业务脚本中追加页面级 style 补丁。
 */

:root{
  --bg:#f5f3ed;
  --paper:#fffefa;
  --paper-2:#eceae2;
  --ink:#12231d;
  --ink-2:#40524a;
  --muted:#738078;
  --line:#d8ddd7;
  --line-dark:rgba(255,255,255,.14);
  --brand:#075f50;
  --brand-deep:#0a352d;
  --brand-ink:#064b40;
  --brand-soft:#e0f0e9;
  --mint:#7fd5bb;
  --gold:#d19a37;
  --gold-deep:#9d6d1e;
  --gold-soft:#f7ecd6;
  --danger:#a54434;
  --radius-xl:34px;
  --radius-lg:26px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 26px 70px rgba(22,52,42,.13);
  --shadow-sm:0 10px 30px rgba(22,52,42,.08);
  --maxw:1180px;
  --reader-max:760px;
  --control-h:44px
}

*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:auto}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
body::before{display:none!important}
a,button,input,textarea,select{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.section{padding:86px 0}
.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.section-kicker::before{content:"";width:22px;height:1px;background:currentColor}

/* 路由正文保留可视基准高度，避免菜单切换时滚动条和页脚突然跳位。 */
:root{--site-chrome-height:214px}
#app{min-height:calc(100vh - var(--site-chrome-height,214px));min-height:calc(100dvh - var(--site-chrome-height,214px))}
.section-kicker.light{color:#a8e1cf}
.muted{color:var(--muted)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:750;text-decoration:none;border-bottom:1px solid rgba(7,95,80,.28);padding-bottom:3px}
.text-link span{display:inline-block;transition:transform .2s ease}
.text-link:hover span{transform:translateX(3px)}

/* Controls */
.btn,.btn-primary,.btn-ghost,.btn-vip,.menu-btn,.nav-search,.modal-close{min-height:var(--control-h);border-radius:14px;box-shadow:none;transform:none;transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:10px 18px;border:1px solid var(--line);font-weight:750}
.btn-primary{border-color:var(--brand)!important;background:var(--brand)!important;color:#fff!important;background-image:none!important;box-shadow:0 9px 22px rgba(7,95,80,.17)!important}
.btn-primary:hover{border-color:var(--brand-deep)!important;background:var(--brand-deep)!important;transform:translateY(-1px)}
.btn-ghost{background:transparent!important;color:var(--ink)!important}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft)!important;color:var(--brand)!important}
.btn-vip,.nav-member.btn{border-color:var(--gold)!important;background:var(--gold)!important;color:#fff!important}
.btn-light{border-color:#fff!important;background:#fff!important;color:var(--brand-deep)!important}
.btn-sm{min-height:36px;padding:7px 13px;font-size:13px}
.field,input,textarea,select{border-color:var(--line)!important;border-radius:var(--radius-sm)!important;background:#fff;box-shadow:none!important}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(18,35,29,.10);box-shadow:none;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.nav{min-height:72px}
.logo{gap:10px}
.logo-mark{width:35px;height:35px}
.logo-mark .logo-img{width:35px;height:35px;object-fit:contain}
.logo-text{font-size:21px;letter-spacing:-.04em}
.nav-links{gap:34px}
.nav-links a{color:var(--ink-2);font-size:14px;font-weight:700}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{height:2px;border-radius:0;background:var(--brand)}
.nav-search{width:40px;height:40px;border:0;background:transparent;color:var(--ink-2)}
.nav-search:hover{background:var(--brand-soft);color:var(--brand)}
.nav-toggle{border-color:var(--line);background:transparent;color:var(--ink)}
.mobile-menu{background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}

/* v212：目录页标题收束为页面标题；会员购买页补齐清晰层级。 */
.catalog-hero{padding:14px 0 12px}
.catalog-hero-grid{min-height:96px;padding:18px 30px;border-radius:20px}
.catalog-hero h1{margin-top:5px;font-size:clamp(30px,3.3vw,42px)}
.catalog-hero h1::after{width:52px;height:4px;margin-top:10px}
.catalog-hero p{font-size:12px;line-height:1.65}
.member-page-title{padding:6px 0 18px;border-bottom:1px solid var(--line);text-align:center}
.member-page-title h1{margin:7px 0 5px;color:var(--ink);font-size:clamp(30px,3.3vw,42px);line-height:1.12;letter-spacing:-.045em}
.member-page-title p{max-width:620px;margin:0 auto;color:var(--muted);font-size:13px;line-height:1.65}
.member-purchase-shell{margin-top:22px}

/* 移动菜单不再 display:none/flex 瞬切：采用透明度、位移与缩放的连续过渡。 */
@media (max-width:900px){
  .mobile-menu{display:flex!important;top:60px;visibility:hidden;opacity:0;transform:translateY(-12px) scale(.985);transform-origin:top center;pointer-events:none;transition:opacity .22s cubic-bezier(.22,.61,.36,1),transform .28s cubic-bezier(.22,.61,.36,1),visibility 0s linear .28s;will-change:opacity,transform}
  .mobile-menu.open{visibility:visible;opacity:1;transform:translateY(0) scale(1);pointer-events:auto;transition:opacity .2s cubic-bezier(.22,.61,.36,1),transform .28s cubic-bezier(.22,.61,.36,1),visibility 0s}
  .mobile-menu.open a{animation:menuItemEnter .26s cubic-bezier(.22,.61,.36,1) both}
  .mobile-menu.open a:nth-child(2){animation-delay:.025s}.mobile-menu.open a:nth-child(3){animation-delay:.05s}.mobile-menu.open a:nth-child(4){animation-delay:.075s}.mobile-menu.open a:nth-child(5){animation-delay:.1s}
  .nav-toggle{transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .24s cubic-bezier(.22,.61,.36,1)}
  .nav-toggle.is-open{border-color:rgba(7,95,80,.38);background:var(--brand-soft);color:var(--brand);transform:scale(.97)}
}
@keyframes menuItemEnter{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}
@media (max-width:720px){
  .catalog-hero{padding:10px 0 8px}
  .catalog-hero-grid{min-height:0;gap:8px;padding:14px 18px;border-radius:16px}
  .catalog-hero .section-kicker{font-size:10px}
  .catalog-hero h1{margin-top:3px;font-size:28px}
  .catalog-hero h1::after{width:42px;height:3px;margin-top:7px}
  .catalog-hero p{font-size:11px;line-height:1.55}
  .member-page-title{padding:18px 0 14px}
  .member-page-title h1{font-size:28px}
  .member-page-title p{font-size:12px}
  .member-purchase-shell{margin-top:16px}
}

/* Home hero */
.home-hero{position:relative;overflow:hidden;padding:0;background:var(--bg);border:0;color:var(--ink)}
.home-hero::before{content:"";position:absolute;width:620px;height:620px;right:-170px;top:-230px;border-radius:50%;background:radial-gradient(circle,rgba(127,213,187,.30),rgba(224,240,233,.36) 48%,transparent 70%)}
.home-hero::after{content:"PRACTICE";position:absolute;right:-26px;bottom:-72px;color:rgba(7,95,80,.035);font-size:142px;font-weight:900;letter-spacing:-.07em;pointer-events:none}
.home-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.75fr);align-items:center;gap:70px;min-height:600px;padding-top:60px;padding-bottom:60px;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:visible}
.home-hero-copy{position:relative;z-index:2}
.home-hero .eyebrow{color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.12em}
.home-hero .eyebrow i{background:var(--gold)}
.home-hero h1{max-width:720px;margin:24px 0 22px;color:var(--ink);font-size:clamp(48px,5.4vw,72px);font-weight:850;line-height:1.04;letter-spacing:-.055em}
.home-hero h1::after{content:"";display:block;width:74px;height:5px;margin-top:23px;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--gold))}
.home-hero-copy>p{max-width:650px;color:var(--ink-2);font-size:17px;line-height:1.85}
.home-hero-actions{display:flex;align-items:center;gap:24px;margin-top:30px}
.home-primary-cta{min-width:190px;justify-content:space-between!important;padding:7px 8px 7px 20px!important;border-radius:13px!important}
.home-primary-cta i{display:flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:9px;background:rgba(255,255,255,.14);font-style:normal;font-size:17px;transition:transform .2s ease,background .2s ease}
.home-primary-cta:hover i{background:rgba(255,255,255,.22);transform:translateX(2px)}
.home-secondary-cta{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-size:14px;font-weight:750}
.home-secondary-cta i{display:flex;width:36px;height:36px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;background:var(--paper);color:var(--brand);font-style:normal;transition:transform .2s ease,border-color .2s ease}
.home-secondary-cta:hover i{border-color:var(--brand);transform:translate(2px,-2px)}
.home-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.home-proof span{display:flex;flex-direction:column;gap:4px}
.home-proof span+span{padding-left:18px;border-left:1px solid var(--line)}
.home-proof b{color:var(--ink);font-size:14px}

.home-hero-visual{position:relative;min-height:500px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;color:var(--ink);overflow:visible}
.home-hero-visual::before{content:"";position:absolute;inset:56px 0 24px 56px;border-radius:46% 46% 18px 18px;background:var(--brand-soft);transform:rotate(3deg)}
.home-hero-visual::after{content:"何";position:absolute;right:-12px;top:26px;color:rgba(7,95,80,.09);font-family:serif;font-size:108px;line-height:1}
.home-studio-card{position:absolute;inset:0 18px 0 34px;display:block;overflow:visible;border-radius:0;background:transparent;box-shadow:none}
.home-studio-photo{position:absolute;inset:56px 30px 42px 34px;overflow:hidden;margin:0;border:1px solid rgba(7,95,80,.12);border-radius:48% 48% 22px 22px;background:linear-gradient(155deg,#e6eee8,#fff);box-shadow:0 24px 54px rgba(16,55,43,.14)}
.home-studio-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 76%,rgba(10,53,45,.08))}
.home-studio-photo img{width:100%;height:100%;display:block;object-fit:cover;object-position:center 18%;filter:saturate(.88) contrast(1.02)}
.home-studio-fallback{display:flex;height:100%;align-items:center;justify-content:center;color:var(--brand);font-size:120px;font-family:serif}
.home-studio-name{position:absolute;z-index:4;right:2px;bottom:20px;padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,248,.96);box-shadow:var(--shadow-sm);color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.08em}

/* Practice manifesto */
.home-practice{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.home-practice-inner{display:grid;grid-template-columns:220px repeat(3,1fr);align-items:stretch}
.home-practice-title{padding:34px 26px 34px 0;border-right:1px solid var(--line)}
.home-practice-title b{display:block;margin-top:10px;font-size:19px;line-height:1.45}
.home-practice-item{padding:34px 26px;border-right:1px solid var(--line)}
.home-practice-item:last-child{border-right:0}
.home-practice-item span{color:var(--brand);font-size:11px;font-weight:850}
.home-practice-item h3{margin:12px 0 7px;font-size:17px}
.home-practice-item p{color:var(--muted);font-size:13px;line-height:1.7}

/* Learning paths */
.path-section{padding:54px 0 24px;background:var(--bg)}
.path-section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
.path-section-head h2{margin-top:10px;font-size:28px;line-height:1.25;letter-spacing:-.035em}
.path-section-head>span{color:var(--muted);font-size:12px}
.path-section .path-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;padding:0;border:0;background:transparent}
.home-filter-item{display:flex;min-width:0;min-height:78px;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);border-radius:18px;background:var(--paper);color:var(--ink);text-align:left;cursor:pointer;transition:background-color .18s,border-color .18s,transform .18s}
.home-filter-item:hover{border-color:rgba(7,95,80,.32);transform:translateY(-1px)}
.home-filter-item.active{border-color:var(--brand);background:var(--brand);color:#fff}
.home-filter-icon{display:flex;width:36px;height:36px;flex:0 0 36px;align-items:center;justify-content:center;border-radius:12px;background:var(--brand-soft);color:var(--brand)}
.home-filter-item.active .home-filter-icon{background:rgba(255,255,255,.14);color:#fff}
.home-filter-item b,.home-filter-item small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.home-filter-item b{font-size:13px}
.home-filter-item small{margin-top:3px;color:var(--muted);font-size:10px}
.home-filter-item.active small{color:rgba(255,255,255,.68)}

/* Editorial sections */
.home-courses,.catalog-main,.member-v2-main{background:var(--bg)}
.home-courses{padding:22px 0 76px;border-top:0}
.editorial-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.editorial-head h2{margin-top:12px;font-size:clamp(34px,4vw,50px);line-height:1.18;letter-spacing:-.045em}
.course-grid,.catalog-grid,.home-course-grid{gap:26px}
.home-course-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:none;gap:18px}
.course-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:none;transform:none;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.course-card:hover{border-color:rgba(7,95,80,.30);box-shadow:var(--shadow-sm);transform:translateY(-4px)}
.course-cover,.catalog-grid .course-cover,.home-course-grid .course-cover{height:auto!important;aspect-ratio:16/8.6;border-radius:0;background:#dbe6df;overflow:hidden}
.course-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 58%,rgba(4,27,22,.22));opacity:0;transition:opacity .28s ease}
.course-card:hover .course-cover::after{opacity:1}
.course-cover .cover-image{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover;object-position:center;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.course-card:hover .course-cover .cover-image{transform:scale(1.035)}
.course-card .cover-tpl--img{background:#173b34}
.course-body{display:flex;min-height:224px;flex-direction:column;padding:20px}
.course-body h3{font-size:20px;line-height:1.4;letter-spacing:-.025em}
.course-body .desc{margin-top:9px;color:var(--muted);font-size:13px;line-height:1.7}
.course-body .course-meta{margin-top:auto;padding-top:18px;color:var(--muted)}
.course-foot{margin-top:15px;padding-top:15px;border-top:1px solid var(--line)}
.course-foot .price{color:var(--price,#e8552e);font-weight:850}
.course-foot .price s,.detail-price s{margin-left:7px;color:#9aa39e;font-size:.62em;font-weight:500}
.train-flag,.member-flag,.paid-badge,.free-badge,.course-path-badge,.tag{border-radius:5px}

.home-founder-section{padding:68px 0 24px;background:var(--bg);border-top:1px solid var(--line)}
.home-founder-card{padding:46px;border:0;border-radius:32px;background:linear-gradient(135deg,#0b342d,#075f50);color:#fff;box-shadow:none}
.home-founder-card .founder-mark{overflow:hidden;width:180px;height:210px;border-radius:32px;background:#eef4f1;box-shadow:inset 0 0 0 1px rgba(255,255,255,.22)}
.home-founder-card .founder-mark img{width:100%;height:100%;object-fit:cover;object-position:center top}
.home-founder-card .founder-copy h2{color:#fff}
.home-founder-card .founder-copy p{color:rgba(255,255,255,.70)}
.home-founder-card .text-link{color:#fff;border-color:rgba(255,255,255,.35)}
.home-founder-card .founder-quote{color:#d8eee7;border-color:rgba(255,255,255,.16)}
.cta-band{padding:0 0 68px;background:var(--bg)}
.home-cta-inner{padding:38px 42px;border:1px solid rgba(7,95,80,.14);border-radius:30px;background:linear-gradient(135deg,#e7f3ee 0%,#f7f6f0 100%);color:var(--ink);box-shadow:none}
.home-cta-inner::after{display:none}
.home-cta-inner .section-kicker.light{color:var(--brand)}
.home-cta-inner p{color:var(--ink-2)}

/* Catalog */
.catalog-hero,.article-catalog-hero{padding:66px 0 58px;border-bottom:0;background:var(--bg)}
.catalog-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.65fr);align-items:end;gap:70px}
.catalog-hero h1{max-width:720px;margin-top:15px;font-size:clamp(40px,4.6vw,58px);line-height:1.12;letter-spacing:-.05em}
.catalog-hero p{max-width:470px;color:var(--ink-2);font-size:15px;line-height:1.85}
.catalog-main{padding:12px 0 92px}
.catalog-section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.catalog-section-head h2{margin-top:9px;font-size:30px;line-height:1.2;letter-spacing:-.035em}
.catalog-section-head>span{padding-bottom:4px;color:var(--muted);font-size:12px}
.catalog-browser{display:grid;grid-template-columns:210px minmax(0,1fr);align-items:start;gap:34px}
.catalog-main .path-filter{position:sticky;top:96px;display:block;max-height:calc(100vh - 122px);overflow-y:auto;border:1px solid var(--line);border-radius:22px;background:rgba(255,253,248,.94);scrollbar-width:none}
.catalog-main .path-filter::-webkit-scrollbar{display:none}
.catalog-main .path-filter-item{position:relative;display:block;width:100%;min-height:0;padding:15px 17px;border:0!important;border-bottom:1px solid var(--line)!important;border-radius:0;background:transparent;color:var(--ink-2);text-align:left}
.catalog-main .path-filter-item:last-child{border-bottom:0!important}
.catalog-main .path-filter-item:hover{background:#f2f6f3}
.catalog-main .path-filter-item.active{background:#e5f1ec;color:var(--brand);box-shadow:none}
.catalog-main .path-filter-item.active::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.catalog-main .path-filter-item b{font-size:13px}
.catalog-main .path-filter-item span{display:block;margin-top:4px;color:var(--muted);font-size:10px;line-height:1.4}
.catalog-main .path-filter-item.active span{color:rgba(7,95,80,.68)}
.catalog-results{min-width:0}
.catalog-main .catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.article-catalog-main .catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}

/* Detail */
.v2-detail-head{background:var(--bg);border-bottom:0}
.v2-detail-hero{padding:66px 0 72px;background:var(--bg);border-bottom:0}
.v2-detail-grid{gap:68px}
.v2-detail-copy h1{font-size:clamp(40px,4.4vw,58px);line-height:1.12;letter-spacing:-.05em}
.v2-detail-cover{border-radius:var(--radius-xl);box-shadow:var(--shadow)}
.v2-detail-meta{padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.detail-story{padding-top:70px}
.detail-story-grid{gap:58px}
.detail-buy-panel{padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--shadow-sm)}
.detail-block{padding:0 0 54px;margin-bottom:54px;border-bottom:1px solid var(--line)}
.detail-block h2{letter-spacing:-.035em}
.outcome-grid>div{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:20px}
.v2-chapter,.track-section{border-radius:0;background:transparent}
.track-lesson:hover{background:var(--brand-soft)}
.mobile-course-cta{border-top:1px solid var(--line);box-shadow:none}
.instructor-v2 .founder-mark{overflow:hidden;border-radius:24px;background:#eef4f1}
.instructor-v2 .founder-mark img{width:100%;height:100%;object-fit:cover;object-position:center top}

/* Membership */
.member-v2-hero{padding:30px 0 26px;background:var(--bg);color:var(--ink)}
.member-v2-head{position:relative;width:calc(100% - 48px);max-width:calc(var(--maxw) - 48px);min-height:390px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.65fr);align-items:center;gap:70px;margin-inline:auto;padding:64px 68px;border:1px solid rgba(175,195,185,.72);border-radius:36px;background:linear-gradient(135deg,#edf5f0 0%,#f8f5ec 58%,#f2ead8 100%);overflow:hidden;text-align:left}
.member-v2-head::before{content:"";position:absolute;right:-120px;top:-170px;width:460px;height:460px;border:1px solid rgba(7,95,80,.12);border-radius:50%}
.member-v2-head::after{content:"";position:absolute;right:42px;bottom:-165px;width:330px;height:330px;border:70px solid rgba(255,255,255,.42);border-radius:50%}
.member-hero-copy{position:relative;z-index:1}
.member-v2-head .section-kicker{color:var(--brand)}
.member-v2-head h1{max-width:720px;margin:18px 0 22px;color:var(--ink)!important;font-size:clamp(45px,5vw,65px);line-height:1.08;letter-spacing:-.055em}
.member-v2-head p{max-width:620px;color:var(--ink-2);font-size:15px;line-height:1.9}
.member-hero-mark{position:relative;z-index:1;min-height:210px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;padding:30px;border-left:1px solid rgba(7,95,80,.18);color:var(--brand)}
.member-hero-mark span{font-size:12px;font-weight:800;letter-spacing:.22em}
.member-hero-mark strong{margin:10px 0 16px;font-size:clamp(28px,3vw,42px);font-weight:800;letter-spacing:-.04em}
.member-hero-mark small{color:var(--gold-deep);font-size:12px;letter-spacing:.12em}
.member-v2-main{padding:28px 0 92px;background:var(--bg)}
.member-purchase-shell{padding:54px 58px 60px;border:1px solid var(--line);border-radius:36px;background:var(--paper);box-shadow:0 24px 70px rgba(24,54,44,.07)}
.member-purchase-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.65fr);align-items:end;gap:54px;margin-bottom:34px}
.member-purchase-head h2{margin:10px 0 0;font-size:34px;letter-spacing:-.04em}
.member-purchase-head>p{color:var(--muted);font-size:13px;line-height:1.8}
.member-plan-grid{width:100%;max-width:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:0;border:1px solid var(--line);border-radius:24px;background:var(--line);overflow:hidden}
.member-plan-v2{position:relative;min-width:0;min-height:210px;padding:34px 28px!important;border:0!important;border-radius:0!important;background:var(--paper);box-shadow:none!important;text-align:left;transition:background .2s ease,color .2s ease}
.member-plan-v2:hover{background:#f5f8f5;transform:none}
.member-plan-v2.selected{background:linear-gradient(145deg,#fff9e9,#f8edd0)}
.member-plan-v2.selected::after{content:"";position:absolute;inset:auto 26px 0;height:3px;background:var(--gold)}
.member-plan-recommend{position:absolute;right:18px;top:18px;padding:4px 8px;border-radius:999px;background:var(--brand-deep);color:#fff;font-size:9px;letter-spacing:.08em}
.member-plan-tag{display:inline-flex;color:var(--brand);font-size:10px;font-weight:800;letter-spacing:.08em}
.member-plan-v2 h3{margin:12px 0 0;font-size:23px;letter-spacing:-.03em}
.member-plan-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:0;margin:20px 0 0}
.member-plan-price small{font-size:15px;font-weight:800}
.member-plan-price b{color:var(--price,#e8552e);font-size:38px;line-height:1}
.member-plan-price s{margin-left:10px;color:var(--muted);font-size:13px}
.member-plan-price span{flex:0 0 100%;display:block;margin:12px 0 0;color:var(--muted);font-size:12px}
.member-purchase-cta{width:100%;min-height:58px;justify-content:center;gap:10px;margin-top:26px;border-radius:18px;font-size:16px;box-shadow:none}
.member-purchase-cta i{font-style:normal;transition:transform .2s ease}
.member-purchase-cta:hover i{transform:translateX(4px)}
.member-entitlements{display:grid;grid-template-columns:minmax(220px,.56fr) minmax(0,1.44fr);gap:54px;margin-top:52px;padding-top:46px;border-top:1px solid var(--line)}
.member-entitlements>header h2{margin:10px 0 8px;font-size:30px;letter-spacing:-.035em}
.member-entitlements>header p{color:var(--muted);font-size:13px}
.member-entitlement-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:38px}
.member-entitlement-list article{display:grid;grid-template-columns:32px minmax(0,1fr);align-items:start;gap:12px;padding:17px 0;border-bottom:1px solid var(--line)}
.member-entitlement-list article>span{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:9px;font-weight:800;line-height:1;aspect-ratio:1}
.member-entitlement-list p{padding-top:3px;color:var(--ink-2);font-size:14px;line-height:1.65}
.member-course-preview{margin-top:78px}

/* About / account */
.about-v2-hero{padding:48px 0 76px;background:var(--bg)}
.about-v2-grid{gap:74px}
.about-portrait-block{display:flex;flex-direction:column;gap:13px}
.about-portrait-title{display:block;margin-left:4px;color:var(--brand-deep);font-size:20px;font-weight:800;letter-spacing:.04em}
.about-portrait{height:500px;padding:10px;border:1px solid rgba(7,95,80,.14);border-radius:46% 46% 34px 34px;background:linear-gradient(145deg,#e8f2ee,#fdfbf6);box-shadow:0 22px 48px rgba(18,61,49,.1)}
.about-portrait-img{width:100%;height:100%;border-radius:calc(46% - 8px) calc(46% - 8px) 26px 26px;object-fit:cover;object-position:center top;filter:saturate(.88)}
.about-portrait>span{position:absolute;z-index:1;bottom:25px;left:50%;margin:0;transform:translateX(-50%);padding:7px 12px;border-radius:999px;background:rgba(7,64,54,.72);color:#e7f4ee;white-space:nowrap}
.about-v2-copy h1{font-size:clamp(40px,4.4vw,58px);letter-spacing:-.05em}
.about-experience-section{padding-top:34px}
.about-experience-grid{display:grid;grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);gap:78px;align-items:start}
.about-experience-grid h2,.about-sharing-head h2{margin:10px 0 18px;font-size:clamp(31px,3vw,43px);line-height:1.3;letter-spacing:-.045em}
.about-experience-grid>header>p,.about-sharing-head>p{max-width:520px;margin:0;color:var(--ink-2);font-size:15px;line-height:1.9}
.about-experience-list{border-top:1px solid var(--line)}
.about-experience-list article{display:grid;grid-template-columns:42px minmax(0,1fr);gap:17px;padding:22px 0;border-bottom:1px solid var(--line)}
.about-experience-list article>span{padding-top:4px;color:var(--gold-deep);font-size:11px;font-weight:800;letter-spacing:.08em}
.about-experience-list h3{margin:0;color:var(--ink);font-size:18px}
.about-experience-list p{margin:7px 0 0;color:var(--muted);font-size:14px;line-height:1.75}
.about-sharing-section{padding:66px 0;background:var(--bg)}
.about-sharing-head{max-width:720px}
.about-sharing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:32px;border-top:1px solid var(--line)}
.about-sharing-grid article{min-height:148px;padding:24px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.about-sharing-grid article:nth-child(3n){border-right:0}
.about-sharing-grid h3{margin:0;color:var(--brand-deep);font-size:17px}
.about-sharing-grid p{margin:9px 0 0;color:var(--ink-2);font-size:13px;line-height:1.7}
.principle-list article{border-radius:0;background:transparent}
.founder-section{position:relative;margin-top:0;padding:12px 0 78px;background:var(--bg)}
.founder-section .about-work{padding:36px 0 0;border-radius:0;background:transparent;box-shadow:none;border-top:1px solid var(--line)}
.founder-section .about-work>.section-kicker.light{color:var(--brand)}
.founder-section .about-work-grid{margin-top:18px}
.founder-section .about-work-grid>div{border-color:var(--line)}
.founder-section .about-work-grid b{color:var(--ink)}
.founder-section .about-work-grid p{color:var(--muted)}
@media(max-width:900px){
  .founder-section .about-work{width:calc(100% - 36px);margin-inline:auto;padding:28px 0 0}
  .founder-section .about-work-grid{grid-template-columns:1fr;gap:0}
  .founder-section .about-work-grid>div{padding:20px 0}
}
@media(max-width:720px){
  .about-experience-section{padding-top:12px}
  .about-experience-grid{grid-template-columns:1fr;gap:28px}
  .about-experience-grid h2,.about-sharing-head h2{font-size:29px}
  .about-experience-grid>header>p,.about-sharing-head>p{font-size:14px;line-height:1.8}
  .about-experience-list article{grid-template-columns:34px minmax(0,1fr);gap:12px;padding:18px 0}
  .about-experience-list h3{font-size:16px}
  .about-experience-list p{font-size:13px}
  .about-sharing-section{padding:48px 0}
  .about-sharing-grid{grid-template-columns:1fr 1fr;margin-top:24px}
  .about-sharing-grid article{min-height:0;padding:18px 14px}
  .about-sharing-grid article:nth-child(3n){border-right:1px solid rgba(7,95,80,.18)}
  .about-sharing-grid article:nth-child(2n){border-right:0}
  .about-sharing-grid h3{font-size:15px}
  .about-sharing-grid p{font-size:12px}
}

/* v459：两列课程卡片优先完整显示权益和价格，隐藏重复的视频分类短标签。 */
@media(max-width:720px){
  .course-center-video-card .course-center-card-meta>span:nth-child(2){display:none}
  .course-center-card-meta>.member-free-note{flex:none;overflow:visible}
  .course-center-card-meta>.course-center-price{flex:none;min-width:max-content;overflow:visible}
}

/* v267：最终结构确认——标题在封面下方，整张卡片整体为 16:9，不做左右分栏。 */
.course-center-page .course-center-shelf{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px!important;overflow:visible!important;margin:0!important;padding:0!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card{display:grid!important;grid-template-columns:1fr!important;grid-template-rows:minmax(0,65%) minmax(0,35%)!important;aspect-ratio:16/9!important;width:100%!important;min-width:0!important;max-width:none!important;flex:none!important;overflow:hidden!important;border-radius:14px!important;border:1px solid var(--line)!important;box-shadow:none!important;transform:none!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-cover{width:100%!important;height:100%!important;min-height:0!important;aspect-ratio:auto!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-body{display:flex!important;justify-content:center!important;min-height:0!important;height:100%!important;padding:8px 10px!important;gap:3px!important;overflow:hidden!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-body h3{font-size:14px!important;line-height:1.3!important;margin:0!important;display:-webkit-box!important;-webkit-line-clamp:2!important;-webkit-box-orient:vertical!important;overflow:hidden!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .desc,.course-center-page .course-center-shelf>.course-center-horizontal-card .tags,.course-center-page .course-center-shelf>.course-center-horizontal-card .course-card-labels{display:none!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-meta{margin-top:3px!important;padding-top:0!important;font-size:10px!important;white-space:nowrap!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-foot{display:none!important}
.course-center-page .course-center-single .course-center-shelf{grid-template-columns:1fr!important;gap:0!important}
.course-center-page .course-center-single .course-center-shelf>.course-center-horizontal-card{grid-template-rows:minmax(0,65%) minmax(0,35%)!important;aspect-ratio:16/9!important;border:0!important;border-radius:0!important;border-bottom:1px solid var(--line)!important}
@media(max-width:720px){
  .course-center-page .course-center-shelf{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:8px!important}
  .course-center-page .course-center-shelf>.course-center-horizontal-card .course-body{padding:7px 8px!important}
  .course-center-page .course-center-shelf>.course-center-horizontal-card .course-body h3{font-size:12px!important}
  .course-center-page .course-center-shelf>.course-center-horizontal-card .course-meta{font-size:9px!important}
  .course-center-page .course-center-single .course-center-shelf{grid-template-columns:1fr!important}
}

/* v266：整张「封面+标题」条目才是 16:9，封面只是左侧内容区。 */
.course-center-page .course-center-shelf{display:grid!important;grid-template-columns:1fr!important;gap:10px!important;overflow:visible!important;margin:0!important;padding:0!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card{display:grid!important;grid-template-columns:44% minmax(0,1fr)!important;aspect-ratio:16/9!important;width:100%!important;min-width:0!important;max-width:none!important;flex:none!important;overflow:hidden!important;border-radius:14px!important;box-shadow:none!important;transform:none!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-cover{width:100%!important;height:100%!important;min-height:0!important;aspect-ratio:auto!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-body{display:flex!important;justify-content:center!important;min-height:0!important;height:100%!important;padding:16px 18px!important;gap:7px!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-body h3{font-size:17px!important;line-height:1.4!important;margin:0!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .desc,.course-center-page .course-center-shelf>.course-center-horizontal-card .tags,.course-center-page .course-center-shelf>.course-center-horizontal-card .course-card-labels{display:none!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-meta{margin-top:6px!important;padding-top:0!important;font-size:12px!important}
.course-center-page .course-center-shelf>.course-center-horizontal-card .course-foot{margin-top:8px!important;padding-top:8px!important}
.course-center-page .course-center-single .course-center-shelf>.course-center-horizontal-card{grid-template-columns:40% minmax(0,1fr)!important;border-radius:0!important;border:0!important;border-bottom:1px solid var(--line)!important;aspect-ratio:16/9!important}
.course-center-page .course-center-single .course-center-shelf>.course-center-horizontal-card .course-body{padding:12px 14px!important}
.course-center-page .course-center-single .course-center-shelf>.course-center-horizontal-card .course-foot{display:none!important}
@media(max-width:720px){
  .course-center-page .course-center-shelf{gap:8px!important}
  .course-center-page .course-center-shelf>.course-center-horizontal-card{grid-template-columns:44% minmax(0,1fr)!important}
  .course-center-page .course-center-shelf>.course-center-horizontal-card .course-body{padding:10px 11px!important}
  .course-center-page .course-center-shelf>.course-center-horizontal-card .course-body h3{font-size:13px!important}
  .course-center-page .course-center-shelf>.course-center-horizontal-card .course-meta{font-size:10px!important}
  .course-center-page .course-center-single .course-center-shelf>.course-center-horizontal-card{grid-template-columns:40% minmax(0,1fr)!important}
}

/* v265：修正手机端 Hero 溢出与系列卡片过窄；卡片封面保持横向 16:9。 */
.course-center-page,.course-center-page *{box-sizing:border-box!important}
.course-center-page .course-center-hero .container,
.course-center-page .course-center-main>.container{width:calc(100% - 32px)!important;max-width:none!important;margin-inline:auto!important}
.course-center-page .course-center-hero .container{overflow:hidden!important}
.course-center-page .course-center-shelf{overflow-x:auto!important;overflow-y:hidden!important}
@media(max-width:720px){
  .course-center-page .course-center-hero .container,
  .course-center-page .course-center-main>.container{width:calc(100% - 20px)!important;margin-inline:auto!important}
  .course-center-page .course-center-shelf>.course-card{width:calc((100% - 10px)/2)!important;min-width:calc((100% - 10px)/2)!important;max-width:calc((100% - 10px)/2)!important;flex-basis:calc((100% - 10px)/2)!important}
  .course-center-page .course-center-shelf>.course-card .course-cover{aspect-ratio:16/9!important;height:auto!important}
  .course-center-page .course-center-shelf>.course-card .course-body{min-height:86px!important;padding:8px!important}
}
.account-sidebar,.account-main,.account-overview,.account-next,.distribution-hero,.distribution-stat,.distribution-share,.distribution-members,.distribution-records{border-radius:var(--radius-lg);box-shadow:none}

/* Learning */
body.route-learning{background:#edf0ec}
body.route-learning .site-footer{display:none}
.learning-shell,.learning-shell.is-article,.learning-shell.is-video{min-height:calc(100vh - 72px);padding:0 0 88px;background:#edf0ec;color:var(--ink)}
.learning-top{position:sticky;top:72px;z-index:75;min-height:0;padding:0!important;background:rgba(255,253,248,.96)!important;border-bottom:1px solid var(--line);box-shadow:0 8px 28px rgba(23,55,44,.05);backdrop-filter:blur(14px)}
.learning-top-inner{width:min(100% - 48px,1380px);min-height:64px;margin:0 auto;display:grid;grid-template-columns:minmax(150px,1fr) minmax(260px,560px) minmax(150px,1fr);align-items:center;gap:20px}
.learning-back{color:var(--ink-2);font-size:13px;font-weight:650}
.learning-top-context{min-width:0;text-align:center}
.learning-top-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-size:14px;font-weight:750}
.learning-top-meta{display:block;margin-top:2px;color:var(--muted);font-size:11px}
.learning-top-actions{justify-self:end;display:flex;align-items:center;gap:5px}
.learning-top-actions button,.article-dir-toggle{min-height:34px;padding:6px 10px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--ink-2);box-shadow:none;font-size:12px;font-weight:650}
.learning-top-actions button:hover,.article-dir-toggle:hover{border-color:var(--line);background:var(--paper);color:var(--brand)}
.article-dir-toggle{display:none}
.learning-grid,.learning-grid.learning-grid--article,.learning-grid.learning-grid--article:not(.has-toc){max-width:1380px;padding-top:34px;display:grid;align-items:start;gap:26px}
.learning-grid{grid-template-columns:minmax(0,1fr) 300px}
.learning-grid.learning-grid--article{grid-template-columns:244px minmax(0,760px) 220px;justify-content:center}
.learning-grid.learning-grid--article:not(.has-toc){grid-template-columns:244px minmax(0,760px)}
.learning-shell.is-video .learning-main-stack,.learning-shell.is-article .learning-player{padding:30px;border:1px solid var(--line);border-radius:20px;background:var(--paper);box-shadow:var(--shadow-sm)}
.learning-now{margin:0 0 22px;padding:0 0 20px;border-bottom:1px solid var(--line);color:var(--ink)}
.learning-now h1{color:var(--ink);font-size:31px;letter-spacing:-.035em}
.learning-now p{color:var(--muted)}
.video-main,.learning-shell.is-article .learning-player .video-main{overflow:hidden;border:0;border-radius:14px;background:#0a110e;box-shadow:0 16px 38px rgba(8,25,19,.16)}
.video-main.article-main,.learning-shell.is-article .video-main.article-main{overflow:visible;padding:0;background:transparent;border-radius:0;box-shadow:none}
.learning-outline,.learning-shell.is-article .learning-outline,.learning-shell.is-article .article-page-toc{position:sticky;top:120px;max-height:calc(100vh - 148px);overflow:auto;padding:20px;border:1px solid var(--line);border-radius:14px;background:rgba(255,253,248,.94);color:var(--ink);box-shadow:var(--shadow-sm)}
.learn-lesson{border-radius:8px;background:transparent;color:var(--ink)}
.learn-lesson:hover{background:var(--paper-2)}
.learn-lesson.active{background:var(--brand-soft);color:var(--brand);box-shadow:inset 3px 0 0 var(--brand)}
.learn-lesson b{color:inherit}
.learning-shell.is-article .learning-article{max-width:var(--reader-max);color:var(--ink-2);font-size:17px;line-height:1.9}
.learning-shell.is-article .learning-article h1{color:var(--ink);font-size:38px}
.learning-shell.is-article .learning-article h2{color:var(--ink);border-bottom:1px solid var(--line);font-size:27px}
.article-media{margin:22px auto}
.article-media-image{max-width:100%;height:auto;border:0;border-radius:var(--radius-sm);box-shadow:none}
.article-media-error{display:none;min-height:0;align-items:center;justify-content:flex-start;padding:13px 15px;border:0;border-left:2px solid var(--gold);border-radius:0;background:#fbf6ea;color:var(--gold-deep);font-size:13px;text-align:left}
.article-media.is-broken .article-media-image{display:none}
.article-media.is-broken .article-media-error{display:flex}
.article-bottom-nav{overflow:hidden;border:1px solid var(--line)!important;border-radius:11px;background:var(--paper-2)}
.learning-comments{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}

/* Footer / overlays */
.site-footer{padding:40px 0 26px;border-top:1px solid var(--line);background:var(--paper);color:var(--ink)}
.site-footer .muted,.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--brand)}
.footer-grid{padding-top:0}
.footer-grid h4{color:var(--ink);font-size:13px;letter-spacing:.05em}
.footer-bottom{margin-top:28px;padding-top:18px;border-color:var(--line);font-size:12px}
.modal{background:rgba(9,25,20,.52);backdrop-filter:blur(5px)}
.modal-box{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:0 30px 90px rgba(7,32,24,.22)}
.back-top{border:1px solid var(--line);border-radius:8px;background:var(--paper);box-shadow:none;color:var(--ink)}
#serviceContactBtn{right:22px!important;bottom:132px!important;min-height:42px!important;padding:9px 16px!important;border-radius:8px!important;font-size:13px!important}
#serviceContactModal{z-index:130;align-items:center;justify-content:center}
#serviceContactModal .modal-box{width:min(86vw,380px);max-width:380px;aspect-ratio:1;display:grid;align-content:center;justify-items:center;gap:10px;padding:20px;text-align:center;overflow:auto}
#serviceContactModal .modal-title{font-size:18px;font-weight:700;color:var(--ink);margin:0 0 6px}
#serviceContactQr{width:min(58%,200px);height:auto;aspect-ratio:1;object-fit:contain;margin:0;border-radius:16px;background:#fff}
.bottom-tab{border-top:1px solid var(--line);background:rgba(255,253,248,.97);box-shadow:none}
.bottom-tab a,.bottom-tab a span{text-decoration:none!important;border-bottom:0!important}
.bottom-tab a::before,.bottom-tab a::after,.bottom-tab a span::before,.bottom-tab a span::after{content:none!important;border:0!important;width:0!important;height:0!important;background:none!important}

@media (max-width:1100px){
  .home-hero-grid{grid-template-columns:minmax(0,1fr) 340px;gap:44px}
  .home-practice-inner{grid-template-columns:190px repeat(3,1fr)}
  .path-section .path-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .catalog-browser{grid-template-columns:180px minmax(0,1fr);gap:24px}
  .member-plan-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .member-plan-v2{min-height:0}
}

@media (max-width:900px){
  .home-hero-grid{grid-template-columns:1fr;min-height:0;padding-top:64px;padding-bottom:64px}
  .home-hero-visual{width:min(100%,520px);min-height:500px}
  .home-practice-inner{grid-template-columns:1fr 1fr}
  .home-practice-title{grid-column:1/-1;border-right:0;border-bottom:1px solid var(--line)}
  .home-practice-item:nth-child(3){border-right:0}
  .path-section .path-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .member-v2-head{grid-template-columns:1fr;gap:38px}
  .member-hero-mark{display:none}
  .member-purchase-head{grid-template-columns:1fr;gap:14px}
  .member-entitlements{grid-template-columns:1fr;gap:22px}
  .learning-grid{grid-template-columns:minmax(0,1fr)}
  .learning-shell.is-video .learning-outline{position:static;max-height:none}
  .learning-grid.learning-grid--article,.learning-grid.learning-grid--article:not(.has-toc){grid-template-columns:minmax(0,760px);justify-content:center}
  .learning-shell.is-article .article-page-toc{display:none}
  .article-dir-toggle{display:inline-flex!important}
  .learning-shell.is-article .learning-outline{position:fixed;top:0;left:0;bottom:0;z-index:120;width:min(86vw,310px);max-height:none;padding:68px 20px 28px;border-radius:0;transform:translateX(-100%);transition:transform .24s ease}
  .learning-shell.is-article.drawer-open .learning-outline{transform:translateX(0)}
}

@media (max-width:720px){
  .container{padding-inline:18px}
  body{background:var(--bg)}
  #app{flex:none;padding-bottom:0!important}
  .section{padding:44px 0}
  .nav{min-height:60px}
  .logo-text{font-size:18px}
  .home-hero::after{font-size:74px;bottom:-24px}
  .home-hero-grid{gap:24px;padding-top:34px;padding-bottom:34px}
  .home-hero h1{margin:16px 0;font-size:34px;line-height:1.1;letter-spacing:-.045em}
  .home-hero-copy>p{font-size:14px;line-height:1.72}
  .home-hero-actions{align-items:flex-start;flex-direction:column;gap:14px;margin-top:22px}
  .home-primary-cta{min-width:174px}
  .home-proof{gap:8px;margin-top:26px;padding-top:16px}
  .home-proof span{min-width:0;font-size:10px}
  .home-proof span+span{padding-left:8px}
  .home-proof b{font-size:13px}
  .home-hero-visual{width:100%;min-height:340px;padding:0;border-radius:0}
  .home-hero-visual::before{inset:42px 8px 14px 38px}
  .home-studio-card{inset:0 8px 0 18px;border-radius:0}
  .home-studio-photo{inset:36px 22px 26px 26px;border-radius:46% 46% 16px 16px;box-shadow:0 16px 36px rgba(16,55,43,.10)}
  .home-studio-name{right:0;bottom:4px;padding:7px 12px;font-size:11px}
  .home-practice-inner{grid-template-columns:1fr}
  .home-practice-title,.home-practice-item{padding:20px 0;border-right:0;border-bottom:1px solid var(--line)}
  .home-practice-title b{font-size:18px}
  .home-practice-item h3{margin:7px 0 4px;font-size:15px}
  .home-practice-item p{font-size:12px}
  .home-practice-item:last-child{border-bottom:0}
  .path-section{padding:38px 0 14px;overflow:hidden}
  .path-section-head{align-items:flex-start;flex-direction:column;gap:6px;margin-bottom:18px}
  .path-section-head h2{font-size:23px}
  .path-section .path-grid{display:flex;gap:9px;margin-inline:0;padding:0 0 7px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none}
  .path-section .path-grid::-webkit-scrollbar{display:none}
  .home-filter-item{flex:0 0 auto;min-height:48px;gap:8px;padding:8px 13px;border-radius:16px;scroll-snap-align:start}
  .home-filter-icon{width:30px;height:30px;flex-basis:30px;border-radius:10px}
  .home-filter-item b{font-size:13px}
  .home-filter-item small{display:none}
  .home-courses{padding:10px 0 48px}
  .home-courses .editorial-head{display:block;margin-bottom:20px}
  .home-courses .editorial-head .text-link{display:none}
  .editorial-head{align-items:flex-start;flex-direction:column;gap:14px;margin-bottom:24px}
  .editorial-head h2{font-size:28px;line-height:1.22}
  .course-grid,.catalog-grid,.home-course-grid,.catalog-main .catalog-grid{grid-template-columns:1fr!important;gap:14px}
  /* 首页筛选必须展示全部真实结果，不能把第三项起的课程/训练营静默隐藏。 */
  .home-course-grid .course-card:nth-child(n+3){display:block}
  .course-cover,.catalog-grid .course-cover,.home-course-grid .course-cover{aspect-ratio:16/8.9}
  .course-body{min-height:0;padding:15px}
  .course-body h3{font-size:17px;line-height:1.35}
  .course-body .desc{margin-top:5px;font-size:12px;line-height:1.6}
  .course-body .course-meta{padding-top:12px}
  .course-foot{margin-top:11px;padding-top:11px}
  .home-founder-section{padding:40px 0 20px}
  .home-founder-card{padding:24px 20px;border-radius:24px}
  .home-founder-card .founder-mark{display:block;width:88px;height:88px;border-radius:24px}
  .home-founder-card.founder-grid{gap:16px}
  .home-founder-card .founder-copy h2{font-size:24px;line-height:1.3}
  .home-founder-card .founder-copy p{font-size:13px;line-height:1.7}
  .home-founder-card .founder-quote{padding-top:18px;font-size:16px;line-height:1.65}
  .cta-band{padding-bottom:40px}
  .home-cta-inner{padding:24px 20px;border-radius:24px;box-shadow:none}
  .home-cta-inner h2{font-size:23px;line-height:1.35}
  .home-cta-inner p{font-size:13px}
  .catalog-hero,.article-catalog-hero{padding:44px 0 38px}
  .catalog-hero-grid{grid-template-columns:1fr;gap:22px}
  .catalog-hero h1{font-size:36px}
  .catalog-main{padding:4px 0 48px}
  .catalog-section-head{align-items:end;margin-bottom:16px;padding-bottom:14px}
  .catalog-section-head h2{font-size:23px}
  .catalog-browser{grid-template-columns:88px minmax(0,1fr);gap:12px}
  .catalog-main .path-filter{top:74px;max-height:calc(100dvh - 150px);border-radius:16px;background:#eeeee9}
  .catalog-main .path-filter-item{padding:13px 9px}
  .catalog-main .path-filter-item.active::before{top:8px;bottom:8px}
  .catalog-main .path-filter-item b{display:block;font-size:12px;line-height:1.35}
  .catalog-main .path-filter-item span{margin-top:3px;font-size:9px;line-height:1.3}
  .catalog-main .catalog-grid{gap:12px!important}
  /* 手机专栏卡：封面从 104px 放大到 112~132px，并按后台原图 1586×992 比例展示。 */
  .catalog-main .course-card{display:grid;grid-template-columns:clamp(112px,34vw,132px) minmax(0,1fr);align-items:start;min-width:0;padding:9px;border-radius:15px}
  .catalog-main .course-cover{width:100%;height:auto!important;min-height:0;aspect-ratio:1586/992;border-radius:10px;background:#173b34}
  .catalog-main .course-cover .cover-image{object-fit:contain}
  .catalog-main .course-cover .play{right:6px;bottom:6px;width:28px;height:28px;font-size:12px}
  .catalog-main .course-body{display:flex;min-width:0;padding:2px 2px 0 12px}
  .catalog-main .course-body h3{display:-webkit-box;overflow:hidden;margin:0;font-size:13px;line-height:1.4;-webkit-box-orient:vertical;-webkit-line-clamp:2}
  .catalog-main .course-body .desc,.catalog-main .course-body .tags{display:none}
  .catalog-main .course-body .course-meta{gap:5px;margin-top:7px;padding-top:5px;font-size:10px}
  .catalog-main .course-body .course-meta .meta-item:nth-child(n+2){display:none}
  .catalog-main .course-foot{margin-top:auto;padding-top:7px;border-top:0}
  .catalog-main .course-foot .price{font-size:15px}
  .catalog-main .course-foot .muted{display:none}
  .article-catalog-main .catalog-grid{grid-template-columns:1fr!important;gap:14px!important}
  .article-catalog-main .course-body .tags{display:none}
  .v2-detail-grid,.detail-story-grid{grid-template-columns:1fr!important;gap:34px}
  .v2-detail-hero{padding:40px 0 46px}
  .v2-detail-cover{order:-1;min-height:220px;border-radius:24px}
  .detail-buy-panel{display:none}
  .mobile-course-cta{padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,253,248,.97)}
  .member-v2-hero{padding:18px 0 20px}
  .member-v2-head{width:calc(100% - 36px);min-height:0;display:block;margin-inline:auto;padding:36px 24px 38px;border-radius:26px}
  .member-v2-head::before{right:-170px;top:-210px}
  .member-v2-head::after{right:-110px;bottom:-210px}
  .member-v2-head h1{max-width:330px;margin:14px 0 18px;font-size:35px;line-height:1.1}
  .member-v2-head p{max-width:330px;font-size:13px;line-height:1.75}
  .member-v2-main{padding:0 0 48px}
  .member-purchase-shell{padding:30px 18px 34px;border-radius:26px;box-shadow:none}
  .member-purchase-head{margin-bottom:22px}
  .member-purchase-head h2{font-size:25px}
  .member-purchase-head>p{font-size:12px;line-height:1.65}
  .member-plan-grid{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:1px;margin:0;overflow:hidden}
  .member-plan-v2{min-height:128px!important;padding:17px 7px 15px!important;text-align:center}
  .member-plan-v2.selected::after{inset:auto 12px 0}
  .member-plan-recommend{right:5px;top:5px;padding:3px 5px;font-size:8px}
  .member-plan-tag{font-size:8px}
  .member-plan-v2 h3{margin-top:8px;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .member-plan-price{justify-content:center;margin:13px 0 0}
  .member-plan-price small{font-size:11px}
  .member-plan-price b{font-size:21px}
  .member-plan-price s{display:inline;font-size:10px;margin-left:3px!important}
  .member-plan-price span{margin-top:8px;font-size:8px;white-space:nowrap}
  .member-purchase-cta{min-height:54px;margin-top:18px;border-radius:16px;font-size:14px}
  .member-entitlements{gap:18px;margin-top:34px;padding-top:30px}
  .member-entitlements>header h2{font-size:25px}
  .member-entitlement-list{grid-template-columns:1fr;column-gap:0}
  .member-entitlement-list article{grid-template-columns:30px minmax(0,1fr);gap:10px;padding:14px 0}
  .member-entitlement-list article>span{width:26px;height:26px}
  .member-entitlement-list p{font-size:13px}
  .about-v2-grid{grid-template-columns:1fr!important;gap:32px}
  .about-v2-hero{padding:22px 0 52px}
  .about-portrait-block{gap:10px}
  .about-portrait-title{margin-left:0;font-size:21px}
  .about-portrait{height:340px;padding:7px;border-radius:44% 44% 26px 26px}
  .about-portrait-img{border-radius:calc(44% - 6px) calc(44% - 6px) 20px 20px}
  .about-portrait>span{bottom:17px;padding:6px 10px;font-size:9px}
  .founder-section{padding:0 0 58px}
  .founder-section .about-work{width:calc(100% - 36px);padding-top:28px}
  body.route-learning .site-header{display:none}
  .learning-shell,.learning-shell.is-article,.learning-shell.is-video{min-height:100vh;padding-bottom:80px}
  .learning-top{top:0}
  .learning-top-inner{width:100%;min-height:58px;padding:8px 14px;grid-template-columns:minmax(0,1fr) auto;gap:7px 10px}
  .learning-back{grid-column:1;grid-row:1;font-size:12px}
  .learning-top-context{grid-column:1/-1;grid-row:2;text-align:left}
  .learning-top-actions{grid-column:2;grid-row:1}
  .learning-grid,.learning-grid.learning-grid--article,.learning-grid.learning-grid--article:not(.has-toc){padding:18px 0 0;gap:24px}
  .learning-shell.is-video .learning-main-stack,.learning-shell.is-article .learning-player{padding:22px 18px;border-width:1px 0;border-radius:0;box-shadow:none}
  .learning-shell.is-video .video-main{margin-inline:-18px;border-radius:0;box-shadow:none}
  .learning-shell.is-video .learning-outline{margin:0 14px;padding:20px}
  .learning-shell.is-article .learning-article{font-size:16px;line-height:1.82}
  .learning-shell.is-article .learning-article h1{font-size:29px}
  .site-footer{padding:30px 0 74px}
  .footer-grid{display:grid;grid-template-columns:minmax(0,1.2fr) repeat(2,minmax(0,1fr));gap:16px;padding:0 18px;text-align:left}
  .footer-grid>div:first-child{grid-column:auto;text-align:center}
  .footer-grid>div{min-width:0}
  .footer-grid .logo{justify-content:center}
  .footer-grid h3{font-size:20px}
  .footer-grid h4{margin-bottom:6px}
  .footer-grid a{padding:3px 0;font-size:13px}
  .footer-bottom{margin-top:22px;padding:15px 0 0;font-size:11px;text-align:center}
  #serviceContactBtn{right:14px!important;bottom:126px!important;width:44px!important;min-width:44px!important;height:44px!important;min-height:44px!important;padding:0!important;border-radius:50%!important;font-size:11px!important}
  .back-top{bottom:72px;right:14px;width:36px;height:36px}
  .bottom-tab{height:62px}
}

/* v129：学习播放页与图文阅读页统一为“学习工作台”布局。 */
.learning-shell,.learning-shell.is-video,.learning-shell.is-article{background:#edf1ed;color:var(--ink);padding-bottom:76px}
.learning-grid{width:min(100% - 48px,1280px);margin:0 auto;padding-top:30px;gap:28px}
.learning-shell.is-video .learning-grid{grid-template-columns:minmax(0,1fr) 286px}
.learning-shell.is-video .learning-main-stack{padding:30px;border:1px solid var(--line);border-radius:20px;background:var(--paper);box-shadow:0 10px 30px rgba(24,55,45,.06)}
.learning-shell.is-video .learning-now{padding:0 0 22px;margin-bottom:24px}
.learning-shell.is-video .learning-now h1{font-size:32px;line-height:1.25;margin:8px 0 6px}
.learning-shell.is-video .learning-now p{font-size:13px}
.learning-shell.is-video .video-main{border-radius:16px;box-shadow:0 16px 34px rgba(8,25,19,.14)}
.learning-shell.is-video .article-bottom-nav{margin-top:18px}
.learning-shell.is-video .learning-outline{top:102px;padding:20px 16px;border-radius:18px;background:rgba(255,254,250,.9);box-shadow:0 10px 26px rgba(24,55,45,.06)}
.learning-shell.is-video .learning-outline-head{padding:0 2px 14px;border-bottom:1px solid var(--line)}
.learning-shell.is-video .learning-outline-head b{font-size:18px}
.learning-shell.is-video .learning-outline-head span{color:var(--muted)}
.learning-shell.is-video .learning-progress{margin:14px 2px 8px;height:5px;border-radius:99px;background:#e5ebe7}
.learning-shell.is-video .learning-lessons{padding:0;gap:4px}
.learning-shell.is-video .learning-section{border:0;margin-top:10px}
.learning-shell.is-video .learning-section>header{padding:9px 2px;background:transparent;border-bottom:1px solid var(--line)}
.learning-shell.is-video .learn-lesson{padding:11px 8px;border-left:3px solid transparent;border-radius:10px;background:transparent;color:var(--ink-2)}
.learning-shell.is-video .learn-lesson:hover{background:var(--brand-soft)}
.learning-shell.is-video .learn-lesson.active{border-left-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}
.learning-shell.is-video .learn-lesson small{color:var(--muted)}
.learning-shell.is-video .learn-lesson b{font-size:12px}
.learning-shell.is-video .le-card{border-radius:16px;box-shadow:none}
.learning-shell.is-article .learning-grid{padding-top:34px}
.learning-shell.is-article .learning-player{padding:34px 48px;border:1px solid var(--line);border-radius:20px;background:var(--paper);box-shadow:0 10px 30px rgba(24,55,45,.06)}
.learning-shell.is-article .learning-outline{top:102px}
.learning-shell.is-article .video-main.article-main{padding:0 0 24px}
.learning-shell.is-article .learning-article{max-width:820px}
.learning-shell.is-article .article-bottom-nav{max-width:820px}

@media (max-width:900px){
  .learning-grid,.learning-shell.is-video .learning-grid{width:calc(100% - 36px);grid-template-columns:1fr;gap:18px;padding-top:20px}
  .learning-shell.is-video .learning-outline{position:static;order:2}
  .learning-shell.is-video .learning-main-stack{padding:24px;border-radius:16px}
  .learning-shell.is-video .learning-now h1{font-size:26px}
  .learning-shell.is-article .learning-player{padding:24px;border-radius:16px}
}

@media (max-width:720px){
  .learning-grid,.learning-shell.is-video .learning-grid{width:100%;padding-top:0;gap:0}
  .learning-shell.is-video .learning-main-stack{padding:22px 18px;border-width:0 0 1px;border-radius:0;box-shadow:none}
  .learning-shell.is-video .learning-now{padding-bottom:18px;margin-bottom:18px}
  .learning-shell.is-video .learning-now h1{font-size:22px}
  .learning-shell.is-video .learning-outline{margin:16px 14px 0;padding:18px 14px}
  .learning-shell.is-article .learning-player{padding:22px 18px;border-width:0 0 1px;border-radius:0;box-shadow:none}
  .learning-shell.is-article .learning-grid{padding-top:0}
}

/* v112：窄屏专栏卡片统一放大，覆盖不同移动模拟器的 720/760px 视口差异。 */
@media (max-width:900px){
  .catalog-main .course-card{display:grid;grid-template-columns:156px minmax(0,1fr)!important;align-items:start;min-width:0;padding:10px;border-radius:16px}
  .catalog-main .course-cover{width:156px!important;height:auto!important;min-height:0;aspect-ratio:1586/992!important;border-radius:11px}
  .catalog-main .course-cover .cover-image{object-fit:contain}
  .catalog-main .course-body{min-width:0;padding:2px 2px 0 14px}
  .catalog-main .course-body h3{font-size:14px;line-height:1.42}
  .catalog-main .course-body .course-meta{margin-top:8px;padding-top:6px;font-size:10px}
  .catalog-main .course-foot{padding-top:8px}
  .catalog-main .course-foot .price{font-size:16px}
}

/* v113：会员层级、首页主理人、分类网格与页脚再平衡。 */
.member-v2-head{background:linear-gradient(135deg,#0a352d 0%,#075f50 68%,#0d715c 100%);border-color:#075f50;color:#fff;box-shadow:0 24px 60px rgba(7,95,80,.16)}
.member-v2-head .section-kicker{color:#e5bd68}
.member-v2-head .section-kicker::before{background:#e5bd68}
.member-v2-head h1{color:#fff!important}
.member-v2-head p{color:rgba(255,255,255,.78)}
.member-hero-mark{border-left-color:rgba(255,255,255,.25);color:#fff}
.member-hero-mark strong{color:#fff}
.member-hero-mark small{color:#e5bd68}
.member-hero-proof{display:flex;gap:0;margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.20)}
.member-hero-proof span{display:flex;min-width:112px;flex-direction:column;gap:4px;padding-right:22px;margin-right:22px;border-right:1px solid rgba(255,255,255,.18)}
.member-hero-proof span:last-child{padding-right:0;margin-right:0;border-right:0}
.member-hero-proof b{color:#fff;font-size:14px}
.member-hero-proof small{color:rgba(255,255,255,.62);font-size:11px}
.member-purchase-shell{border-top:4px solid var(--gold)}
.member-plan-price span{font-weight:700;color:var(--brand)}

/* v613：课程 / 会员结算优惠券 */
.coupon-checkout{margin:12px 0 15px;padding:11px;border:1px solid #dfe8e4;border-radius:12px;background:#f8fbfa}.coupon-checkout[hidden]{display:none!important}
.coupon-checkout-label{margin:0 0 8px;color:#52665e;font-size:12px;font-weight:750}
.coupon-checkout-tip{margin:8px 2px 0;color:#75817c;font-size:12px;line-height:1.5}.coupon-checkout-tip:empty{display:none}.coupon-checkout-tip.is-valid{color:#08745f;font-weight:700}.coupon-checkout-tip.is-error{color:#b33c2f}
.coupon-checkout-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.coupon-options-loading{grid-column:1/-1;color:#7b8882;font-size:11px}
.coupon-option{display:grid;gap:2px;min-width:0;padding:8px 10px;border:1px solid rgba(8,115,95,.16);border-radius:10px;background:#fff;color:#29443b;text-align:left;cursor:pointer}.coupon-option.is-selected{border-color:#08735f;background:#eef8f4;box-shadow:0 0 0 1px rgba(8,115,95,.12)}
.coupon-option.is-applying{position:relative;pointer-events:none;opacity:.72}.coupon-option.is-applying::after{content:"";position:absolute;right:10px;top:50%;width:13px;height:13px;margin-top:-7px;border:2px solid rgba(8,115,95,.2);border-top-color:#08735f;border-radius:50%;animation:coupon-option-spin .55s linear infinite}@keyframes coupon-option-spin{to{transform:rotate(360deg)}}
.coupon-option b{color:#e8552e;font-size:14px}.coupon-option span{overflow:hidden;font-size:11px;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.coupon-option small{color:#7b8882;font-size:9px}.coupon-option:disabled{cursor:default;opacity:.58}
.member-plan-section .course-center-section-head .public-coupon-entry{position:relative;display:flex!important;min-height:26px!important;align-items:center!important;gap:4px!important;margin:0!important;padding:3px 7px 3px 4px!important;border:1px solid rgba(8,115,95,.16)!important;border-radius:999px!important;background:#eef8f4!important;color:#08735f!important;text-decoration:none!important;white-space:nowrap!important}
.public-coupon-entry::before{content:"";position:absolute;inset:-8px}
.member-plan-section .course-center-section-head .public-coupon-entry>span{display:grid!important;width:18px!important;height:18px!important;flex:0 0 18px!important;place-items:center!important;border-radius:50%!important;background:#08735f!important;color:#fff!important;font-size:9px!important;font-weight:850!important}
.member-plan-section .course-center-section-head .public-coupon-entry>b{font-size:10px!important;line-height:1!important;font-weight:800!important}.public-coupon-entry>i{font-size:14px;line-height:1;font-style:normal}
.coupon-center-page{min-height:calc(100vh - 160px);padding:40px 0 70px;background:#f7f8f5}.coupon-center-shell{max-width:900px}.coupon-center-head{margin-bottom:22px}.coupon-center-head h1{margin:0 0 7px;color:#173b34;font-size:34px}.coupon-center-head p{margin:0;color:#708078;font-size:14px}
.public-coupon-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.public-coupon-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px;border:1px solid rgba(8,115,95,.14);border-radius:15px;background:linear-gradient(135deg,#fffaf0,#fff)}
.public-coupon-card>div{display:grid;gap:3px;min-width:0}.public-coupon-card strong{color:#e8552e;font-size:22px}.public-coupon-card span{overflow:hidden;color:#243e36;font-size:13px;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.public-coupon-card small{color:#75817c;font-size:10px}.public-coupon-card .btn{flex:0 0 auto;min-height:34px;padding:7px 10px;font-size:11px;text-decoration:none}
.coupon-center-empty{grid-column:1/-1;display:grid;gap:6px;padding:32px;border:1px dashed #cfdbd6;border-radius:15px;background:#fff;color:#66776f;text-align:center}.coupon-center-empty strong{color:#29443b;font-size:15px}.coupon-center-empty span{font-size:12px}
.coupon-claim-page{min-height:calc(100vh - 160px);display:grid;place-items:center;padding:70px 20px;background:radial-gradient(circle at 50% 0,#ecf7f2,transparent 52%)}
.coupon-claim-card{display:grid;justify-items:center;gap:13px;width:min(430px,100%);padding:42px 32px;border:1px solid rgba(8,115,95,.16);border-radius:24px;background:#fff;box-shadow:0 22px 65px rgba(8,65,53,.12);text-align:center}
.coupon-claim-card>strong{color:#e8552e;font-size:48px;line-height:1}.coupon-claim-card h1{margin:0;color:#173b34;font-size:24px}.coupon-claim-card p{margin:0;color:#66766f;font-size:14px;line-height:1.7}.coupon-claim-card .btn{min-width:180px;margin-top:7px}.coupon-claim-card>small{color:#89948f;font-size:11px}
@media(max-width:720px){.coupon-checkout-options{grid-template-columns:1fr}.coupon-center-page{padding:26px 0 50px}.coupon-center-head{margin-bottom:17px}.coupon-center-head h1{font-size:27px}.public-coupon-list{grid-template-columns:1fr}.public-coupon-card{padding:13px}.coupon-claim-page{padding:34px 16px}.coupon-claim-card{padding:34px 22px;border-radius:20px}.coupon-claim-card>strong{font-size:40px}}

/* v620：会员结算弹窗提前预取券数据，移除全屏模糊并使用轻量过渡。 */
#memberModal{z-index:120;display:flex;visibility:hidden;opacity:0;pointer-events:none;padding:12px;background:rgba(8,24,19,.48);backdrop-filter:none;-webkit-backdrop-filter:none;transition:opacity .16s ease,visibility 0s linear .18s}
#memberModal.open{visibility:visible;opacity:1;pointer-events:auto;transition-delay:0s}
#memberModal .modal-box{width:min(100%,400px);max-width:400px;padding:20px;max-height:calc(100dvh - 24px);overflow:auto;overscroll-behavior:contain;border:0;border-radius:20px;background:#fff;box-shadow:0 18px 48px rgba(4,25,18,.22);opacity:0;transform:translateY(10px);animation:none;transition:transform .18s cubic-bezier(.22,.72,.24,1),opacity .14s ease;will-change:transform,opacity}
#memberModal.open .modal-box{opacity:1;transform:translateY(0)}
#memberModal .modal-close{top:13px;right:15px;display:grid;box-sizing:border-box;width:30px;height:30px;padding:0;place-items:center;border:0;border-radius:0;background:none;font-size:21px}
#memberModal .modal-title{margin:0 0 14px;color:#173b34;font-size:20px;letter-spacing:-.02em}
#memberModal .member-check-card{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;align-items:center;gap:3px 14px;overflow:hidden;margin-bottom:12px;padding:14px 15px;border:0;border-radius:16px;background:linear-gradient(135deg,#0d5548 0,#073b32 72%,#062e28 100%);box-shadow:0 10px 24px rgba(7,59,50,.16);text-align:left}
#memberModal .member-check-card::after{content:"";position:absolute;right:-28px;top:-50px;width:130px;height:130px;border:1px solid rgba(226,182,91,.2);border-radius:50%;box-shadow:0 0 0 18px rgba(226,182,91,.045),0 0 0 36px rgba(226,182,91,.025)}
#memberModal .member-check-name{position:relative;z-index:1;grid-column:1;grid-row:1;color:#fff;font-size:16px}
#memberModal .member-check-price{grid-column:2;grid-row:1/3;margin:0;white-space:nowrap}
#memberModal .member-check-price b{position:relative;z-index:1;color:#f0bd55;font-size:28px;text-shadow:0 2px 12px rgba(0,0,0,.12)}
#memberModal .member-check-price s{position:relative;z-index:1;color:rgba(255,255,255,.52);font-size:11px}
#memberModal .member-check-card>p{position:relative;z-index:1;grid-column:1;grid-row:2;margin:0;color:rgba(255,255,255,.68);font-size:11px;line-height:1.35}
#memberModal .coupon-checkout{margin:0 0 11px;padding:0;border:0;background:transparent}
#memberModal .coupon-checkout-label{margin-bottom:6px;font-size:11px}
#memberModal .coupon-option{grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;gap:0 9px;padding:9px 11px;border-color:#dce5e0;border-radius:11px;background:#fff;box-shadow:none;transition:border-color .15s ease,background .15s ease}
#memberModal .coupon-option.is-selected{border-color:#08735f;background:#f3f8f6;box-shadow:none}
#memberModal .coupon-option b{grid-column:1;grid-row:1/3;align-self:center;font-size:17px}
#memberModal .coupon-option span{grid-column:2;grid-row:1;font-size:11px}
#memberModal .coupon-option small{grid-column:2;grid-row:2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#memberModal .coupon-checkout-tip{margin-top:6px;font-size:11px}
#memberModal>.modal-box>.muted.small{margin:0 0 6px;color:#718078;font-size:11px}
#memberModal .pay-methods{display:grid;grid-template-columns:1fr;gap:6px;margin-bottom:10px}
#memberModal .pay-method{min-width:0;min-height:46px;gap:10px;padding:7px 12px;border-color:#dce2de;border-radius:11px;background:#fff;font-size:13px;transition:border-color .15s ease,background .15s ease}
#memberModal .pay-method.active{border-color:#08735f;background:#f3f8f6;box-shadow:none}
#memberModal .pay-method.active::after{content:none}
#memberModal .pay-ico{width:30px;height:30px}
#memberModal .pay-methods>.muted{grid-column:1/-1;margin:0}
#memberModal #memberPayBtn{min-height:46px;padding:10px 16px;border-radius:11px;box-shadow:none!important;font-size:14px}
body.member-modal-open #serviceContactBtn{display:none!important}
@media(max-width:760px){
  #memberModal{align-items:center;padding:8px 8px calc(58px + env(safe-area-inset-bottom,0px))}
  #memberModal .modal-box{max-height:calc(100dvh - 74px - env(safe-area-inset-bottom,0px));padding:16px;border-radius:20px}
  body.member-modal-open .bottom-tab{z-index:140}
}

/* 课程 / 专栏：用不同的色彩语义和信息标签，避免两个列表只有白卡+图片的单调感。 */
.catalog-hero{position:relative;overflow:hidden}
.catalog-hero::before{content:"";position:absolute;right:-150px;top:-190px;width:440px;height:440px;border:1px solid rgba(7,95,80,.15);border-radius:50%;box-shadow:0 0 0 28px rgba(7,95,80,.035),0 0 0 56px rgba(7,95,80,.025)}
.article-catalog-hero::before{border-color:rgba(209,154,55,.24);box-shadow:0 0 0 28px rgba(209,154,55,.04),0 0 0 56px rgba(209,154,55,.025)}
.catalog-hero-grid{position:relative;z-index:1}
.catalog-hero h1{position:relative;display:inline-block}
.catalog-hero h1::after{content:"";display:block;width:74px;height:5px;margin-top:18px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--gold))}
.article-catalog-hero h1::after{background:linear-gradient(90deg,var(--gold),var(--brand))}
.catalog-hero p{position:relative;padding-left:18px;border-left:3px solid rgba(7,95,80,.26)}
.article-catalog-hero p{border-left-color:rgba(209,154,55,.45)}
.course-card{position:relative}
.course-card--video{border-top:3px solid rgba(7,95,80,.72)}
.course-card--article{border-top:3px solid rgba(209,154,55,.78);background:linear-gradient(180deg,#fffefa,#fffdf7)}
.course-card-type{display:inline-flex;align-self:flex-start;padding:4px 8px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:10px;font-weight:800;letter-spacing:.04em}
.course-card--article .course-card-type{background:var(--gold-soft);color:var(--gold-deep)}
.course-card--article .course-cover .play{color:var(--gold-deep)}
.course-card--video .course-cover{box-shadow:inset 0 3px 0 rgba(7,95,80,.18)}
.course-card--article .course-cover{box-shadow:inset 0 3px 0 rgba(209,154,55,.25)}

.home-hero-visual{display:block!important}
.home-hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(360px,.75fr);justify-content:initial;min-height:600px}
.home-profile-line{display:flex;align-items:center;gap:12px;margin-top:24px}
.home-profile-avatar{width:48px;height:48px;flex:0 0 48px;overflow:hidden;border:1px solid rgba(7,95,80,.20);border-radius:50%;background:var(--brand-soft);box-shadow:0 8px 22px rgba(7,95,80,.12)}
.home-profile-avatar img{width:100%;height:100%;display:block;object-fit:cover;object-position:center top}
.home-profile-avatar .home-studio-fallback{height:100%;font-size:28px}
.home-profile-line>div:last-child{display:flex;flex-direction:column;gap:3px}
.home-profile-line b{color:var(--ink);font-size:15px}
.home-profile-line span{color:var(--muted);font-size:12px}

.path-section .path-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.home-filter-item{min-height:92px;padding:16px 18px;border-radius:18px}
.home-filter-item b{font-size:14px}
.home-filter-item small{font-size:11px}

.pc-course .course-cover{width:132px;flex:0 0 132px;height:82px!important;min-height:0;aspect-ratio:1586/992;border-radius:12px;margin:10px 0 10px 10px;background:#173b34}
.pc-course .course-cover .cover-image{object-fit:contain}
.pc-course .cover-tpl .play{right:7px;bottom:7px;width:26px;height:26px;font-size:11px}
.pc-course-body{min-width:0}
.account-order--member{border-color:rgba(209,154,55,.42);background:linear-gradient(135deg,#fffaf0,#fffefa)}
.account-order--member .account-order-main>span,.account-order--member .account-order-side>b{color:var(--gold-deep)}

.nav-actions{min-width:0;gap:8px;padding-left:18px;border-left:1px solid var(--line)}
.nav-actions .btn{min-height:38px;padding:8px 14px;border-radius:12px;font-size:12px}
.nav-actions .btn-vip{background:var(--gold)!important;border-color:var(--gold)!important;box-shadow:none!important}
.nav-actions .btn-ghost{background:var(--paper)!important;border-color:var(--line)!important;color:var(--ink)!important}
.nav-actions .btn-auth{flex:0 1 auto;min-width:0;max-width:164px;height:38px;overflow:hidden;background:var(--brand)!important;border-color:var(--brand)!important;box-shadow:none!important}
.nav-actions .btn-auth .nav-account-name{display:block;min-width:0;max-width:104px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-actions .nav-search{width:36px;min-height:36px;height:36px}

.footer-grid{align-items:start}
.footer-grid>div:first-child{max-width:340px}
.footer-grid>div:first-child .logo{justify-content:flex-start}
.footer-grid>div:first-child .muted{max-width:300px;margin:12px 0 0;line-height:1.8}

@media (max-width:900px){
  .home-hero-grid{grid-template-columns:1fr;min-height:0}
  .home-hero-visual{width:min(100%,520px);min-height:500px;margin-inline:auto}
  .path-section .path-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .home-filter-item{min-height:82px}
}

@media (max-width:720px){
  .member-v2-head{background:linear-gradient(145deg,#0a352d,#075f50);box-shadow:0 16px 34px rgba(7,95,80,.16)}
  .member-hero-proof{gap:0;margin-top:22px;padding-top:15px}
  .member-hero-proof span{min-width:0;flex:1;padding-right:10px;margin-right:10px}
  .member-hero-proof b{font-size:12px}
  .member-hero-proof small{font-size:10px}
  .home-hero-grid{grid-template-columns:1fr;min-height:0}
  .home-hero-visual{display:none!important}
  .home-profile-line{margin-top:18px}
  .home-profile-avatar{width:44px;height:44px;flex-basis:44px}
  .path-section{padding:34px 0 10px}
  .path-section-head{margin-bottom:16px}
  .path-section-head h2{font-size:24px}
  .path-section-head>span{font-size:12px}
  .path-section .path-grid{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px!important;padding:0!important;overflow:visible!important}
  .home-filter-item{min-height:68px;gap:9px;padding:11px 10px;border-radius:15px}
  .home-filter-icon{width:30px;height:30px;flex-basis:30px;border-radius:10px}
  .home-filter-item b{font-size:12px;line-height:1.3;white-space:normal}
  .home-filter-item small{display:block;margin-top:3px;font-size:9px;white-space:nowrap}
  /* 手机页脚保持品牌、课程、支持三列横向排布，不再把品牌区单独占满一行。 */
  .footer-grid{grid-template-columns:minmax(0,1.28fr) repeat(2,minmax(0,1fr));gap:16px 12px;padding:0 14px;text-align:left}
  .footer-grid>div:first-child{grid-column:auto;max-width:none;padding-bottom:0;text-align:left}
  .footer-grid>div:first-child .logo{justify-content:flex-start;gap:6px}
  .footer-grid>div:first-child .muted{max-width:none;margin-top:9px;line-height:1.55;font-size:10px}
  .footer-grid .logo-text{font-size:16px}
  .footer-grid h4{font-size:12px}
  .footer-grid a{font-size:11px;padding:3px 0}
}

/* v115：实践引导、会员标识与个人中心 UI 收束。 */
/* 课程页 / 专栏页和个人中心共用同一套「圆角面板 + 轻边框 + 米白底」语言。 */
.catalog-hero{padding:28px 0 24px;border-bottom:0;background:var(--bg)}
.catalog-hero-grid{min-height:248px;padding:42px 48px;border:1px solid rgba(175,195,185,.72);border-radius:26px;background:linear-gradient(135deg,#eaf4ef 0%,#fffaf0 100%);box-shadow:0 14px 34px rgba(24,55,45,.07)}
.article-catalog-hero .catalog-hero-grid{background:linear-gradient(135deg,#f7ecd6 0%,#fffaf0 58%,#eaf4ef 100%)}
.catalog-hero h1{font-size:clamp(36px,4.4vw,54px)}
.catalog-hero p{font-size:14px;line-height:1.9}
.catalog-main{padding:18px 0 82px}
.catalog-section-head{margin-bottom:20px;padding:18px 22px;border:1px solid rgba(209,219,213,.82);border-radius:18px;background:rgba(255,254,250,.72);box-shadow:0 8px 24px rgba(24,55,45,.04)}
.course-card-labels{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:2px}
.course-card-access{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:var(--gold-soft);color:var(--gold-deep);font-size:10px;font-weight:800;letter-spacing:.04em}
.course-card--article .course-card-access{background:#f8e8c8;color:#9d6d1e}

.home-practice-inner{grid-template-columns:1.05fr repeat(3,1fr)}
.home-practice-title{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:34px 26px;border-right:1px solid var(--line);background:linear-gradient(145deg,rgba(224,240,233,.72),rgba(255,254,250,.18))}
.practice-lead-index{margin-bottom:16px;color:var(--brand);font-size:11px;font-weight:850;letter-spacing:.12em}
.practice-lead-index::after{content:"";display:inline-block;width:30px;height:1px;margin-left:8px;vertical-align:middle;background:var(--brand)}
.home-practice-title .section-kicker{margin-bottom:11px}
.home-practice-title b{margin-top:0;font-size:18px;line-height:1.5}
.member-price-note{display:inline-block;margin-left:8px;color:var(--gold-deep);font-size:11px;font-weight:700;vertical-align:2px}
.member-course-preview{margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.member-course-preview>header{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}
.member-course-preview h2{margin:7px 0 0;font-size:28px;letter-spacing:-.035em}
.member-included-count{color:var(--muted);font-size:13px;white-space:nowrap}
.member-included-list{display:grid;gap:10px;max-width:860px}
.member-included-card{display:grid;grid-template-columns:136px minmax(0,1fr) auto auto;align-items:center;gap:16px;min-height:98px;padding:10px 16px 10px 10px;border:1px solid var(--line);border-radius:16px;background:rgba(255,254,250,.82);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.member-included-card:hover{border-color:rgba(7,95,80,.34);box-shadow:var(--shadow-sm);transform:translateY(-1px)}
.member-included-cover{height:76px;overflow:hidden;border-radius:10px;background:var(--brand-soft)}
.member-included-cover img{width:100%;height:100%;display:block;object-fit:cover}
.member-included-cover span{display:flex;height:100%;align-items:center;justify-content:center;color:var(--brand);font-size:12px;font-weight:700}
.member-included-copy{min-width:0}.member-included-copy h3{overflow:hidden;margin:0;color:var(--ink);font-size:16px;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.member-included-copy p{margin:7px 0 0;color:var(--muted);font-size:12px}
.member-included-free{padding:4px 8px;border-radius:999px;background:var(--gold-soft);color:var(--gold-deep);font-size:11px;font-weight:750;white-space:nowrap}.member-included-arrow{color:var(--brand);font-size:18px;font-weight:700}
@media(max-width:760px){.member-course-preview{margin-top:34px;padding-top:24px}.member-course-preview h2{font-size:23px}.member-included-card{grid-template-columns:104px minmax(0,1fr) auto;gap:10px;min-height:78px;padding:7px 10px 7px 7px;border-radius:13px}.member-included-cover{height:62px;border-radius:8px}.member-included-copy h3{font-size:14px}.member-included-copy p{margin-top:4px;font-size:11px}.member-included-free{padding:3px 6px;font-size:10px}.member-included-arrow{display:none}}

.account-profile-card{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px;padding:22px 24px;border:1px solid rgba(7,95,80,.16);border-radius:24px;background:linear-gradient(135deg,#eaf4ef 0%,#fffaf0 100%);box-shadow:0 14px 34px rgba(24,55,45,.07)}
.account-profile-card .account-head{margin-bottom:0}
.account-profile-card .account-head h1{display:flex;align-items:baseline;gap:4px}
.account-profile-card .account-head h1 em{font-style:normal;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.02em}
.account-profile-action{display:inline-flex;align-items:center;gap:10px;padding:11px 15px;border-radius:12px;background:var(--brand);color:#fff;font-size:12px;font-weight:750;white-space:nowrap}
.account-profile-action span{font-size:16px;transition:transform .2s ease}
.account-profile-action:hover{background:var(--brand-deep);color:#fff}
.account-profile-action:hover span{transform:translateX(3px)}
.account-tabs{display:flex;align-items:center;gap:8px;padding:5px;margin-bottom:26px;border:1px solid var(--line);border-radius:14px;background:rgba(255,254,250,.7);overflow:auto}
.account-tabs button{border:0!important;border-radius:10px!important;padding:10px 14px!important;border-bottom:0!important;color:var(--muted);font-size:13px;transition:background .2s,color .2s}
.account-tabs button.active{background:var(--brand-soft);color:var(--brand);box-shadow:none}
.account-overview{gap:14px}
.overview-stat{position:relative;overflow:hidden;background:var(--paper);border-radius:18px}
.overview-stat::after{content:"";position:absolute;right:-22px;bottom:-34px;width:92px;height:92px;border:1px solid rgba(7,95,80,.12);border-radius:50%}
.overview-stat-action{width:100%;border:0;padding:22px;color:inherit;text-align:left;cursor:pointer}
.overview-stat-action small{position:relative;z-index:1;display:block;margin-top:8px;color:var(--brand);font-size:11px;font-weight:700}
.overview-stat-action:hover{background:#f7fbf8}
.pc-course-panel-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:0 0 18px}
.pc-course-panel-head h2{margin:8px 0 5px;font-size:26px;letter-spacing:-.03em}
.pc-course-panel-head p{margin:0;color:var(--muted);font-size:13px}
.pc-course-filter{display:flex;gap:8px;flex:0 0 auto}
.pc-course-filter button{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--muted);font-size:12px;cursor:pointer}
.pc-course-filter button.active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);font-weight:800}
@media(max-width:720px){.pc-course-panel-head{align-items:flex-start;flex-direction:column;gap:12px}.pc-course-panel-head h2{font-size:22px}.pc-course-filter{width:100%}.pc-course-filter button{flex:1}}
.account-next{position:relative;overflow:hidden;background:linear-gradient(135deg,#0a352d,#075f50);box-shadow:0 18px 40px rgba(7,95,80,.16)}
.account-next::after{content:"NEXT";position:absolute;right:-8px;bottom:-25px;color:rgba(255,255,255,.06);font-size:76px;font-weight:900;letter-spacing:-.08em}
.account-next>*{position:relative;z-index:1}

@media (max-width:720px){
  .home-practice-inner{grid-template-columns:1fr}
  .home-practice-title{padding:22px 18px;border-right:0;border-bottom:1px solid var(--line)}
  .practice-lead-index{margin-bottom:10px}
  .home-practice-title b{font-size:17px}
  .account-profile-card{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:16px;padding:17px 15px;border-radius:20px}
  .account-profile-card .account-head{width:100%}
  .account-profile-action{width:100%;justify-content:center}
  .account-tabs{gap:4px;margin-bottom:20px;padding:4px}
  .account-tabs button{flex:0 0 auto;padding:9px 10px!important;font-size:12px}
}

/* v119：收缩首页主视觉与会员页套餐区，降低占位感和突兀感。 */
.home-hero-grid{min-height:470px;gap:44px;padding-top:38px;padding-bottom:38px}
.home-hero-visual{min-height:360px}
.home-hero-visual::before{inset:38px 4px 14px 38px}
.home-hero-visual::after{right:-4px;top:16px;font-size:78px}
.home-studio-card{inset:0 12px 0 24px}
.home-studio-photo{inset:38px 24px 28px 28px;border-radius:44% 44% 18px 18px;box-shadow:0 16px 36px rgba(16,55,43,.12)}
.home-studio-name{right:0;bottom:10px;padding:7px 12px;font-size:11px}
.home-studio-fallback{font-size:88px}

.member-v2-hero{padding:18px 0 18px}
.member-v2-head{min-height:320px;padding:46px 54px;border-radius:30px}
.member-v2-head h1{font-size:clamp(40px,4.6vw,58px)}
.member-v2-main{padding-top:18px}
.member-purchase-shell{padding:38px 44px 44px;border-radius:30px}
.member-purchase-head{margin-bottom:24px;gap:36px}
.member-purchase-head h2{font-size:30px}
.member-plan-v2{min-height:175px;padding:26px 22px!important}
.member-plan-v2 h3{font-size:21px}
.member-plan-price{margin-top:15px}
.member-plan-price b{font-size:34px}
.member-entitlements{margin-top:38px;padding-top:34px}
.catalog-hero-grid{min-height:180px;padding:32px 42px}
.catalog-hero h1{font-size:clamp(32px,3.8vw,48px)}
.catalog-hero p{font-size:13px;line-height:1.75}

@media (max-width:900px){
  .home-hero-grid{min-height:0;gap:26px;padding-top:30px;padding-bottom:30px}
  .home-hero-visual{min-height:270px;width:min(100%,430px);margin-inline:auto}
  .home-hero-visual::before{inset:24px 18px 8px 32px}
  .home-studio-card{inset:0 12px 0 22px}
  .home-studio-photo{inset:28px 28px 18px 30px}
  .home-studio-name{bottom:3px}
  .member-v2-head{min-height:0;padding:38px 38px}
  .member-purchase-shell{padding:32px 32px 38px}
}

@media (max-width:720px){
  /* 手机端只保留紧凑主视觉，不再让头像卡占据半个首屏。 */
  .home-hero-grid{gap:18px;padding-top:24px;padding-bottom:24px}
  .home-hero-visual{display:block!important;min-height:188px;width:min(100%,330px)}
  .home-hero-visual::before{inset:17px 20px 3px 26px}
  .home-hero-visual::after{right:0;top:4px;font-size:50px}
  .home-studio-card{inset:0 8px 0 16px}
  .home-studio-photo{inset:20px 26px 11px 28px;border-radius:42% 42% 14px 14px;box-shadow:0 10px 24px rgba(16,55,43,.10)}
  .home-studio-name{right:3px;bottom:0;padding:5px 9px;font-size:9px}
  .home-studio-fallback{font-size:54px}
  .member-v2-head{padding:28px 20px 30px;border-radius:22px}
  .member-v2-head h1{font-size:32px}
  .member-v2-head p{font-size:13px;line-height:1.75}
  .member-purchase-shell{padding:24px 16px 30px;border-radius:22px}
  .member-purchase-head{gap:9px;margin-bottom:18px}
  .member-purchase-head h2{font-size:25px}
  .member-purchase-head>p{font-size:11px}
  .member-plan-v2{min-height:116px;padding:15px 6px!important}
  .member-plan-v2 h3{font-size:13px}
  .member-plan-price{margin-top:10px}
  .member-plan-price b{font-size:23px}
  .member-plan-price span{margin-top:6px;font-size:9px}
  .member-entitlements{margin-top:26px;padding-top:24px}
}

/* v121：顶部 Hero 与下方内容共用同一条水平内容轨道，消除左右突出处。 */
.catalog-hero-grid,.catalog-main>.container,.member-v2-hero .member-v2-head,.member-v2-main>.container{width:calc(100% - 48px);max-width:1132px;padding-inline:0}
.catalog-hero-grid{margin-inline:auto}
.member-v2-hero .member-v2-head{margin-inline:auto}
.member-v2-main>.container{margin-inline:auto}

/* v120：进一步缩小首页右侧视觉，手机端回到小头像信息线，不重复展示大头像。 */
.home-hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(260px,.55fr);min-height:420px;gap:34px;padding-top:30px;padding-bottom:30px}
.home-hero-visual{min-height:270px;max-width:330px;justify-self:end}
.home-hero-visual::before{inset:30px 2px 10px 28px}
.home-hero-visual::after{right:-2px;top:10px;font-size:62px}
.home-studio-card{inset:0 8px 0 18px}
.home-studio-photo{inset:30px 20px 20px 22px}
.home-studio-name{bottom:5px;padding:6px 10px;font-size:10px}
.home-studio-fallback{font-size:70px}
.member-v2-head{min-height:270px;padding:36px 46px}
.member-purchase-shell{padding:32px 40px 38px}
.catalog-hero-grid{min-height:145px;padding:26px 36px}

@media (max-width:900px){
  .home-hero-grid{grid-template-columns:1fr;min-height:0;gap:20px;padding-top:26px;padding-bottom:26px}
  .home-hero-visual{min-height:220px;max-width:340px;justify-self:center}
  .home-studio-photo{inset:24px 26px 14px 28px}
  .member-v2-head{min-height:0;padding:32px 32px}
  .member-purchase-shell{padding:28px 28px 34px}
  .catalog-hero-grid{min-height:130px;padding:24px 28px}
}

@media (max-width:720px){
  .home-hero-grid{gap:14px;padding-top:22px;padding-bottom:22px}
  .home-hero-visual{display:none!important}
  .member-v2-head{padding:24px 18px 26px}
  .member-purchase-shell{padding:22px 14px 28px}
  .catalog-hero-grid{min-height:118px;padding:20px 18px;border-radius:18px}
  .catalog-hero h1{font-size:30px}
  .catalog-hero p{font-size:12px;line-height:1.65}
}

/* v121：顶部 Hero 与下方内容共用同一条水平内容轨道，消除左右突出处。 */
.catalog-hero-grid,.catalog-main>.container,.member-v2-hero .member-v2-head,.member-v2-main>.container{width:calc(100% - 48px);max-width:1132px;padding-inline:0}
.catalog-hero-grid,.member-v2-hero .member-v2-head,.member-v2-main>.container{margin-inline:auto}
@media (max-width:720px){
  .catalog-hero-grid,.catalog-main>.container,.member-v2-hero .member-v2-head,.member-v2-main>.container{width:calc(100% - 36px);max-width:none}
}

/* v213：目录页顶部和内容轨道压缩；必须置于旧版视觉样式之后。 */
.catalog-hero,.article-catalog-hero{padding:14px 0 12px!important}
.catalog-hero-grid{min-height:112px!important;padding:18px 30px!important;gap:28px!important;border-radius:20px!important}
.catalog-hero h1{margin-top:5px!important;font-size:clamp(30px,3.3vw,42px)!important}
.catalog-hero h1::after{width:52px!important;height:4px!important;margin-top:9px!important}
.catalog-hero p{font-size:12px!important;line-height:1.65!important}
.catalog-content-type{margin:10px 9px 5px;padding-top:10px;border-top:1px solid var(--line)}
.catalog-content-type>span{display:block;margin-bottom:6px;color:var(--ink-3);font-size:10px;font-weight:800;letter-spacing:.08em}
.catalog-content-type>div{display:flex;flex-wrap:wrap;gap:5px}
.catalog-content-type button{padding:6px 7px;border:1px solid rgba(7,95,80,.16);border-radius:9px;background:rgba(255,255,255,.6);color:var(--ink-2);font-size:10px;font-weight:750;line-height:1.2;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.catalog-content-type button:hover{transform:translateY(-1px)}
.catalog-content-type button.active{border-color:var(--brand);background:var(--brand);color:#fff}
.course-card-labels{display:flex;gap:5px;margin-bottom:4px}
.course-card-type{display:inline-flex;align-items:center;padding:3px 7px;border:1px solid rgba(7,95,80,.14);border-radius:999px;background:#eef6f2;color:var(--brand);font-size:10px;font-weight:800;line-height:1.1}
.course-card--article .course-card-type{border-color:rgba(191,138,43,.2);background:#fff4dd;color:#9a6a1b}

/* v213：参考原生应用的整页菜单层——从顶栏下方连续展开。 */
#mobileMenuBackdrop{display:none}
@media (max-width:900px){
  #mobileMenuBackdrop{position:fixed;z-index:98;top:60px;right:0;bottom:0;left:0;display:block;visibility:hidden;border:0;background:rgba(15,34,28,.12);opacity:0;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);pointer-events:none;transition:opacity .26s ease,visibility 0s linear .34s}
  #mobileMenuBackdrop.open{visibility:visible;opacity:1;pointer-events:auto;transition:opacity .26s ease,visibility 0s}
  .mobile-menu{position:fixed!important;z-index:99!important;top:60px!important;right:0!important;bottom:0!important;left:0!important;display:flex!important;flex-direction:column!important;gap:0!important;overflow:auto!important;padding:26px max(24px,calc((100vw - 620px)/2)) 40px!important;border:0!important;border-radius:0!important;background:var(--bg)!important;box-shadow:none!important;visibility:hidden;opacity:0;transform:translateY(-18px);pointer-events:none;transition:opacity .26s ease,transform .34s cubic-bezier(.22,.8,.2,1),visibility 0s linear .34s;will-change:opacity,transform}
  .mobile-menu.open{visibility:visible!important;opacity:1!important;transform:translateY(0)!important;pointer-events:auto!important;transition:opacity .24s ease,transform .34s cubic-bezier(.22,.8,.2,1),visibility 0s}
  .mobile-menu a{display:flex;align-items:center;min-height:62px;padding:0 4px!important;border-bottom:1px solid rgba(137,157,147,.32)!important;color:var(--ink)!important;font-size:17px!important;font-weight:750!important;letter-spacing:-.02em;transform:translateY(-7px);opacity:0;transition:transform .3s cubic-bezier(.22,.8,.2,1),opacity .22s ease}
  .mobile-menu.open a{animation:none!important;transform:translateY(0);opacity:1}
  .mobile-menu.open a:nth-child(2){transition-delay:.025s}.mobile-menu.open a:nth-child(3){transition-delay:.05s}.mobile-menu.open a:nth-child(4){transition-delay:.075s}.mobile-menu.open a:nth-child(5){transition-delay:.1s}.mobile-menu.open a:nth-child(6){transition-delay:.125s}
  .mobile-menu .btn{margin-top:22px!important}
  .catalog-hero-grid{grid-template-columns:1fr!important;min-height:138px!important;padding:17px 22px!important;gap:8px!important}
  .catalog-hero p{max-width:100%;padding-left:11px;font-size:11px!important;line-height:1.55!important}
}
@media (max-width:720px){
  .catalog-hero,.article-catalog-hero{padding:10px 0 8px!important}
  .catalog-hero-grid{min-height:112px!important;padding:14px 18px!important;border-radius:16px!important}
  .catalog-hero .section-kicker{font-size:10px}
  .catalog-hero h1{font-size:28px!important}
  .catalog-hero h1::after{width:42px!important;height:3px!important;margin-top:7px!important}
  .catalog-content-type{margin:9px 5px 2px;padding-top:8px}
  .catalog-content-type button{padding:5px 6px;font-size:9px}
  .catalog-main .course-card-labels{display:none}
}

/* v241：学习页两层头部稳定堆叠，不随滚动切换或过渡。 */
body.route-learning .site-header{display:block!important;transform:none!important;opacity:1!important;pointer-events:auto!important;transition:none!important}
body.route-learning .learning-top{transition:none!important;top:72px!important}
@media (max-width:720px){body.route-learning .learning-top{top:60px!important}}

/* v214：移动菜单不再叠加半透明遮罩或按钮缩放，避免点击瞬间闪动、界面割裂。 */
@media (max-width:900px){
  #mobileMenuBackdrop,#mobileMenuBackdrop.open{display:none!important}
  .nav-toggle,.nav-toggle.is-open{transform:none!important;transition:border-color .2s ease,background-color .2s ease,color .2s ease!important}
  .nav-toggle.is-open{border-color:rgba(7,95,80,.28)!important;background:rgba(228,241,235,.82)!important;color:var(--brand)!important}
  .mobile-menu{transform:translateY(-10px)!important;transition:opacity .2s ease,transform .26s cubic-bezier(.2,.78,.22,1),visibility 0s linear .26s!important}
  .mobile-menu.open{transform:translateY(0)!important;transition:opacity .2s ease,transform .26s cubic-bezier(.2,.78,.22,1),visibility 0s!important}
}

/* v122：会员购买优先、列表卡片收紧，减少顶部大块与封面下方空白。 */
.member-v2-hero{padding:6px 0 8px}
.member-v2-head{display:block!important;min-height:0!important;padding:22px 30px!important;border-radius:20px}
.member-hero-mark{display:none!important}
.member-hero-copy{max-width:860px}
.member-v2-head h1{margin:6px 0 8px;font-size:clamp(30px,3.6vw,44px);line-height:1.08}
.member-v2-head p{max-width:720px;font-size:12px;line-height:1.65}
.member-hero-proof{margin-top:11px;padding-top:10px}
.member-hero-proof b{font-size:11px}
.member-hero-proof small{font-size:9px}
.catalog-main .course-body{min-height:180px}
.catalog-main .course-card-type{font-size:9px;padding:3px 7px}
.catalog-main .course-body h3{font-size:18px}
.catalog-main .course-body .desc{font-size:12px;line-height:1.6}

@media (max-width:720px){
  .member-v2-hero{padding:4px 0 6px}
  .member-v2-head{padding:18px 14px 16px!important;border-radius:17px}
  .member-v2-head h1{margin:4px 0 7px;font-size:26px}
  .member-v2-head p{font-size:11px;line-height:1.55}
  .member-hero-proof{margin-top:9px;padding-top:8px}
  .member-hero-proof span{padding-right:6px;margin-right:6px}
  .member-hero-proof b{font-size:9px}
  .member-hero-proof small{font-size:8px}
  .catalog-main .course-body{min-height:0!important;height:auto;padding:4px 6px 4px 12px!important}
  .catalog-main .course-card-labels{display:flex;margin-bottom:2px}
  .catalog-main .course-card-type{padding:2px 5px;font-size:8px}
  .catalog-main .course-body h3{font-size:13px;line-height:1.35;-webkit-line-clamp:2}
  .catalog-main .course-body .course-meta{margin-top:4px;padding-top:0;font-size:9px}
  .catalog-main .course-foot{margin-top:4px;padding-top:0}
  .catalog-main .course-foot .price{font-size:15px}
}

/* 窄屏课程列表：覆盖 900px 断点的固定 156px 封面，给标题和会员价保留弹性宽度。 */
@media (max-width:720px){
  .catalog-browser{grid-template-columns:80px minmax(0,1fr);gap:10px}
  .catalog-main .course-card{grid-template-columns:minmax(96px,48%) minmax(0,1fr)!important;padding:8px;gap:0}
  .catalog-main .course-cover{width:100%!important;aspect-ratio:1586/992!important}
  .catalog-main .course-body{padding:3px 3px 3px 10px!important}
  .catalog-main .course-body h3{font-size:13px;line-height:1.35}
  .catalog-main .course-foot{align-items:flex-start}
  .catalog-main .course-foot .price{font-size:clamp(13px,4vw,16px);white-space:nowrap}
}

/* v123：课程 / 图文专栏详情页重设计，首屏、目录、购买和评价层级统一。 */
.v2-detail-head{background:var(--bg);border-bottom:0}
.v2-detail-head .crumb{padding:14px 0;color:var(--muted)}
.v2-detail-hero{padding:20px 0 34px;background:var(--bg)}
.v2-detail-grid--v3{align-items:center;gap:48px;padding:34px 0 42px;border-bottom:1px solid var(--line)}
.v2-detail-copy{min-width:0}
.v2-detail-copy .section-kicker{margin-bottom:12px}
.v2-detail-copy h1{max-width:620px;margin:0 0 14px;font-size:clamp(36px,4.5vw,58px);line-height:1.12}
.v2-detail-lead{max-width:600px;color:var(--ink-2);font-size:15px;line-height:1.85}
.v2-detail-meta{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 20px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
.v2-detail-meta span{padding-right:12px;border-right:1px solid var(--line)}
.v2-detail-meta span:last-child{border-right:0}
.v2-detail-actions{max-width:340px}
.v2-detail-actions .btn{min-height:48px}
.v2-detail-cover{width:100%;max-width:560px;justify-self:end;aspect-ratio:1586/992;min-height:0!important;border-radius:24px;overflow:hidden;background:#173b34;box-shadow:0 18px 44px rgba(14,45,36,.14)}
.v2-detail-cover-image{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;background:#173b34}
.v2-detail-cover-letter{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.9);font-size:130px;font-family:serif}
.v2-cover-caption{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;padding:12px 14px;border-radius:12px;background:rgba(10,53,45,.78);backdrop-filter:blur(8px);color:#fff}
.v2-cover-caption small{display:block;margin-bottom:5px;color:#f2d28a;font-size:10px;letter-spacing:.08em}
.v2-cover-caption strong{display:block;font-size:16px;line-height:1.35}
.detail-quick-strip{padding:0 0 28px;background:var(--bg)}
.detail-quick-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;background:var(--paper);overflow:hidden}
.detail-quick-grid>div{display:flex;flex-direction:column;gap:6px;padding:16px 20px;border-right:1px solid var(--line)}
.detail-quick-grid>div:last-child{border-right:0}
.detail-quick-grid b{font-size:13px;color:var(--ink)}
.detail-quick-grid span{font-size:11px;color:var(--muted)}
.detail-story{padding:0 0 78px}
.detail-story-grid{grid-template-columns:230px minmax(0,1fr);gap:32px}
.detail-buy-panel{position:sticky;top:88px;padding:22px;border-top:3px solid var(--gold);border-radius:18px;background:var(--paper);box-shadow:var(--shadow-sm)}
.detail-buy-panel .detail-price{margin:6px 0 16px;font-size:30px}
.detail-buy-panel p{margin-top:12px;line-height:1.65}
.detail-content{min-width:0}
.detail-block{margin:0 0 24px;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:0 8px 24px rgba(24,55,45,.04)}
.detail-block:last-child{margin-bottom:0}
.detail-block h2{margin:8px 0 20px;font-size:25px;line-height:1.35}
.detail-block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.detail-block-head h2{margin-bottom:0}
.detail-count{padding-bottom:5px;color:var(--muted);font-size:12px}
.detail-overview-block{background:linear-gradient(135deg,#eaf4ef,#fffaf0)}
.outcome-grid{gap:10px}
.outcome-grid>div{padding:14px;border-radius:12px;background:rgba(255,254,250,.78)}
.outcome-grid p{line-height:1.6}
.detail-chapters-block{padding:20px}
.course-tracks{gap:12px}
.v2-directory-section{margin-top:0;border:1px solid var(--line);border-radius:14px;background:#fbfcfa;overflow:hidden}
.v2-directory-section>header{padding:13px 16px;background:#f0f6f2}
.v2-directory-section>header h3{font-size:15px}
.v2-directory-section .v2-chapter{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:12px;padding:14px 16px;background:var(--paper);border-bottom:1px solid #edf0ed;border-radius:0}
.v2-directory-section .v2-chapter:last-child{border-bottom:0}
.v2-chapter-no{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--brand-soft);color:var(--brand);font-size:10px}
.v2-chapter-main{min-width:0}
.v2-chapter-main b{display:block;overflow:hidden;color:var(--ink);font-size:14px;line-height:1.45;text-overflow:ellipsis}
.v2-chapter-main p{margin-top:4px;overflow:hidden;color:var(--muted);font-size:11px;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}
.v2-chapter-state{align-self:center;white-space:nowrap;font-size:10px;color:var(--brand);background:var(--brand-soft);padding:5px 8px;border-radius:999px}
.v2-chapter.locked .v2-chapter-state{background:var(--paper-2);color:var(--muted)}
.instructor-v2{display:grid;grid-template-columns:80px minmax(0,1fr);gap:18px;align-items:center;background:linear-gradient(135deg,#fffaf0,#eaf4ef)}
.instructor-v2 .founder-mark.small{width:80px;height:80px;border-radius:22px}
.instructor-v2 h2{margin:6px 0;font-size:24px}
.instructor-v2 p{line-height:1.7}

@media (max-width:900px){
  .v2-detail-grid--v3{grid-template-columns:1fr;gap:22px;padding-top:20px}
  .v2-detail-cover{order:-1;max-width:620px;justify-self:stretch}
  .v2-detail-copy{order:1}
  .detail-story-grid{grid-template-columns:1fr;gap:16px}
  .detail-buy-panel{position:static;display:block!important}
}
@media (max-width:720px){
  .v2-detail-hero{padding:8px 0 24px}
  .v2-detail-grid--v3{gap:16px;padding:14px 0 24px}
  .v2-detail-copy h1{font-size:31px}
  .v2-detail-lead{font-size:13px;line-height:1.7}
  .v2-detail-meta{margin:14px 0;font-size:10px}
  .v2-detail-cover{border-radius:16px}
  .v2-cover-caption{left:10px;right:10px;bottom:10px;padding:9px 10px}
  .v2-cover-caption strong{font-size:13px}
  .detail-quick-grid{grid-template-columns:1fr}
  .detail-quick-grid>div{padding:12px 14px;border-right:0;border-bottom:1px solid var(--line)}
  .detail-quick-grid>div:last-child{border-bottom:0}
  .detail-block{padding:18px;margin-bottom:14px;border-radius:14px}
  .detail-block h2{font-size:21px}
  .detail-chapters-block{padding:14px}
  .detail-block-head{align-items:flex-start}
  .detail-block-head h2{font-size:20px}
  .v2-directory-section>header{padding:11px 12px}
  .v2-directory-section .v2-chapter{grid-template-columns:30px minmax(0,1fr);gap:9px;padding:12px}
  .v2-chapter-state{grid-column:2;justify-self:start;align-self:start;margin-top:3px}
  .v2-chapter-main b{font-size:13px}
  .instructor-v2{grid-template-columns:62px minmax(0,1fr);gap:12px}
  .instructor-v2 .founder-mark.small{width:62px;height:62px;border-radius:18px}
  .instructor-v2 h2{font-size:20px}
}

/* v124：详情页去卡片化，改为编辑式内容流；PC 与手机统一水平轨道和留白。 */
.v2-detail-head .container,.v2-detail-hero .container,.detail-quick-strip .container,.detail-story>.container{width:calc(100% - 48px);max-width:1132px;padding-inline:0;margin-inline:auto}
.v2-detail-hero{padding:8px 0 28px}
.v2-detail-grid--v3{padding:26px 0 32px;gap:38px}
.v2-detail-copy h1{font-size:clamp(34px,4vw,52px)}
.v2-detail-cover{max-width:500px;border-radius:18px;box-shadow:0 12px 28px rgba(14,45,36,.11)}
.detail-quick-strip{padding-bottom:18px}
.detail-quick-grid{border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-left:0;border-right:0;border-radius:0;background:transparent}
.detail-quick-grid>div{padding:13px 18px}
.detail-story{padding-bottom:70px}
.detail-story-grid{grid-template-columns:240px minmax(0,1fr);gap:34px}
.detail-buy-panel{top:86px;padding:20px;border-radius:14px}
.detail-block{margin:0;padding:30px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}
.detail-block:last-child{border-bottom:0}
.detail-overview-block{background:transparent}
.outcome-grid>div{padding:14px 0;border:0;border-bottom:1px solid rgba(216,221,215,.72);border-radius:0;background:transparent}
.outcome-grid>div:last-child{border-bottom:0}
.detail-chapters-block{padding:30px 0}
.v2-directory-section{border:0;border-radius:0;background:transparent}
.v2-directory-section>header{padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent}
.v2-directory-section .v2-chapter{padding:14px 0;border-bottom:1px solid rgba(237,240,237,.95);background:transparent}
.v2-chapter-no{width:26px;height:26px;border-radius:8px}
.instructor-v2{border-top:1px solid var(--line);border-bottom:0;background:transparent}

@media (max-width:900px){
  .v2-detail-head .container,.v2-detail-hero .container,.detail-quick-strip .container,.detail-story>.container{width:calc(100% - 36px);max-width:none}
  .v2-detail-grid--v3{padding:18px 0 26px;gap:18px}
  .v2-detail-cover{max-width:none;box-shadow:0 9px 20px rgba(14,45,36,.10)}
  .detail-story-grid{grid-template-columns:1fr;gap:0}
  .detail-buy-panel{position:static;display:block!important;border-top:2px solid var(--gold);border-bottom:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none;padding:16px 0;margin-bottom:0}
  .detail-content{display:block}
}

@media (max-width:720px){
  .v2-detail-head .container,.v2-detail-hero .container,.detail-quick-strip .container,.detail-story>.container{width:calc(100% - 36px);max-width:none}
  .v2-detail-head .crumb{padding:10px 0;font-size:11px}
  .v2-detail-hero{padding:0 0 16px}
  .v2-detail-grid--v3{padding:10px 0 20px;border-bottom:1px solid var(--line)}
  .v2-detail-cover{border-radius:14px}
  .v2-detail-copy h1{font-size:29px;line-height:1.16}
  .v2-detail-lead{font-size:13px}
  .v2-detail-meta{gap:6px;margin:12px 0;padding:10px 0;font-size:10px}
  .v2-detail-actions{max-width:none}
  .v2-detail-actions .btn{min-height:44px}
  .detail-quick-strip{padding-bottom:0}
  .detail-quick-grid{grid-template-columns:repeat(3,1fr)}
  .detail-quick-grid>div{padding:11px 8px;border-right:1px solid var(--line);border-bottom:0}
  .detail-quick-grid>div:last-child{border-right:0}
  .detail-quick-grid b{font-size:11px}
  .detail-quick-grid span{font-size:9px;line-height:1.4}
  .detail-story{padding-bottom:60px}
  .detail-buy-panel{padding:14px 0}
  .detail-buy-panel .detail-price{margin:4px 0 10px;font-size:26px}
  .detail-block{padding:22px 0}
  .detail-block h2{font-size:20px;margin:7px 0 14px}
  .detail-chapters-block{padding:22px 0}
  .detail-block-head h2{font-size:19px}
  .detail-count{font-size:10px}
  .v2-directory-section>header{padding:11px 0}
  .v2-directory-section .v2-chapter{padding:12px 0}
  .v2-chapter-main b{font-size:13px}
  .instructor-v2{padding-top:22px}
}

/* v125：详情页只保留一个购买入口，目录使用完整内容轨道。 */
.detail-story-grid--single{display:block!important;max-width:100%!important}
.detail-story-grid--single .detail-content{width:100%;max-width:none}
.detail-story-grid--single .detail-buy-panel{display:none!important}
.detail-chapters-block{scroll-margin-top:88px}
.detail-chapters-block .course-tracks{max-width:none}

@media (max-width:900px){
  .detail-story-grid--single{display:block!important}
}

@media (max-width:720px){
  .detail-story-grid--single{width:100%!important}
  .detail-story-grid--single .detail-content{width:100%}
  .detail-chapters-block{padding-top:18px}
}

/* v127：按用户草图改为左侧目录、右侧课程详情；手机端目录先行、详情随后。 */
.detail-back-link{display:inline-flex;align-items:center;gap:8px;padding:10px 0;color:var(--brand);font-size:13px;font-weight:800}
.detail-back-link span{display:grid;place-items:center;width:28px;height:28px;border:1px solid rgba(7,95,80,.22);border-radius:50%;font-size:18px;line-height:1;transition:transform .2s ease,background .2s ease}
.detail-back-link:hover{color:var(--brand-deep)}
.detail-back-link:hover span{background:var(--brand-soft);transform:translateX(-3px)}
.detail-breadcrumb{margin-left:12px;color:var(--muted);font-size:11px}

.detail-layout{padding:0 0 70px;background:var(--bg)}
.detail-layout-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:36px;align-items:start;width:calc(100% - 48px);max-width:1132px;padding:0;margin-inline:auto}
.detail-directory-sidebar{position:sticky;top:88px;min-width:0;padding:18px 16px;border:1px solid var(--line);border-radius:16px;background:rgba(255,254,250,.86);box-shadow:0 8px 24px rgba(24,55,45,.05)}
.detail-directory-heading{padding:0 2px 14px;border-bottom:1px solid var(--line)}
.detail-directory-heading h2{margin:7px 0 4px;font-size:21px;line-height:1.25}
.detail-directory-heading small{color:var(--muted);font-size:11px}
.detail-directory-list{display:flex;flex-direction:column;gap:12px;padding-top:12px}
.detail-directory-list .v2-directory-section{border:0;background:transparent}
.detail-directory-list .v2-directory-section>header{padding:10px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent}
.detail-directory-list .v2-directory-section>header h3{font-size:13px}
.detail-directory-list .v2-directory-section>header small{font-size:10px}
.detail-directory-list .v2-directory-section .v2-chapter{grid-template-columns:28px minmax(0,1fr);gap:8px;padding:11px 0;border-bottom:1px solid rgba(237,240,237,.95);background:transparent}
.detail-directory-list .v2-chapter-main b{font-size:12px;line-height:1.4}
.detail-directory-list .v2-chapter-main p{font-size:10px}
.detail-directory-list .v2-chapter-state{grid-column:2;justify-self:start;margin-top:3px;font-size:9px;padding:4px 7px}
.detail-directory-list .v2-chapter-no{width:24px;height:24px;font-size:9px}
.detail-layout-grid>.detail-content{min-width:0}
.detail-layout-grid>.detail-content .detail-block:first-child{padding-top:0}

@media (max-width:900px){
  .detail-layout-grid{grid-template-columns:1fr;gap:22px;width:calc(100% - 36px);max-width:none}
  .detail-directory-sidebar{position:static;order:1;padding:14px;border-radius:14px}
  .detail-layout-grid>.detail-content{order:2}
  .detail-directory-list{gap:8px;padding-top:10px}
  .detail-layout-grid>.detail-content .detail-block:first-child{padding-top:22px}
}

@media (max-width:720px){
  .detail-layout{padding-bottom:52px}
  .detail-directory-sidebar{padding:12px;border-left:2px solid var(--brand)}
  .detail-directory-heading{padding-bottom:10px}
  .detail-directory-heading h2{font-size:19px}
  .detail-directory-list .v2-directory-section .v2-chapter{padding:10px 0}
  .detail-directory-list .v2-chapter-main b{font-size:12px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* v129-final：学习页最终层级覆盖，确保在历史样式之后生效。 */
.learning-shell.is-video .learning-main-stack{background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:0 10px 30px rgba(24,55,45,.06)}
.learning-shell.is-video .learning-outline{background:rgba(255,254,250,.94);border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 26px rgba(24,55,45,.06)}
.learning-shell.is-video .learn-lesson.active{background:var(--brand-soft);border-left-color:var(--brand);color:var(--brand-deep)}
.learning-shell.is-article .learning-player{background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:0 10px 30px rgba(24,55,45,.06)}
.learning-shell.is-article .learning-article{max-width:820px}
@media(max-width:720px){
  .learning-shell.is-video .learning-main-stack,.learning-shell.is-article .learning-player{border-radius:0;border-left:0;border-right:0;box-shadow:none}
}

/* v128：详情页返回入口与内容分区收尾。
 * 目录标题保留在目录卡内，确保标题与目录内容属于同一信息模块；
 * quick strip 与目录之间增加明确留白，避免移动端版块粘连。 */
.v2-detail-head .container{display:flex;align-items:center;gap:12px}
.detail-back-link{min-height:38px;padding:5px 12px 5px 0;border-radius:999px;font-size:14px;letter-spacing:.01em}
.detail-back-link span{width:32px;height:32px;background:var(--paper);border-color:rgba(7,95,80,.28);font-size:20px;font-weight:700}
.detail-breadcrumb{font-size:12px}
.detail-layout{padding-top:32px}
.detail-directory-sidebar{margin-top:0}
.detail-head .back-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 15px 9px 10px;border-color:rgba(7,95,80,.24);background:var(--paper);color:var(--brand);font-weight:800;box-shadow:0 4px 12px rgba(24,55,45,.06)}
.detail-head .back-btn:first-letter{font-size:20px}
.detail-head .crumb{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:14px;font-weight:800}

@media (max-width:720px){
  .v2-detail-head .container{display:block}
  .detail-back-link{font-size:13px}
  .detail-breadcrumb{display:none}
  .detail-layout{padding-top:28px}
  .detail-head{padding:14px 0 10px}
  .detail-head .back-btn{padding:8px 14px 8px 10px;font-size:13px}
  .detail-head .crumb{font-size:13px;padding:8px 0}
}

/* v131：课程目录章节交互与播放器按钮细节。 */
.directory-section-toggle{display:grid;grid-template-columns:auto minmax(0,1fr) auto 18px;align-items:center;gap:10px;width:100%;padding:12px 0;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;color:var(--ink);text-align:left;cursor:pointer;font:inherit}
.directory-section-toggle span{color:var(--brand);font-size:12px;font-weight:800;white-space:nowrap}
.directory-section-toggle h3{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.directory-section-toggle small{color:var(--muted);font-size:10px;white-space:nowrap}
.directory-section-toggle i{color:var(--brand);font-style:normal;font-size:17px;transition:transform .2s}
.directory-section-toggle:hover{background:var(--brand-soft)}
.v2-directory-section:not(.is-collapsed)>.directory-section-toggle{background:#dff0ea;color:var(--brand-deep)}
.v2-directory-section.is-collapsed .directory-section-toggle i{transform:rotate(180deg)}
.v2-directory-section.is-collapsed .directory-section-body{display:none}
.learn-lesson{transition:background .16s,color .16s,box-shadow .16s}
.learn-lesson:hover,.learn-lesson.active:hover{color:var(--brand-deep)!important;background:var(--brand-soft)!important}
.learn-lesson:hover b,.learn-lesson.active:hover b{color:var(--brand-deep)!important}
.video-inline-wrap,.video-trial-wrap{position:relative}
.video-play-button{position:absolute;left:50%;top:50%;z-index:4;width:68px;height:68px;transform:translate(-50%,-50%);display:grid;place-items:center;padding-left:4px;border:1px solid rgba(255,255,255,.65);border-radius:50%;background:rgba(14,124,107,.94);color:#fff;font-size:25px;line-height:1;cursor:pointer;box-shadow:0 10px 26px rgba(0,0,0,.25);transition:transform .18s,opacity .18s,background .18s}
.video-play-button:hover{transform:translate(-50%,-50%) scale(1.08);background:#0a6b5a}
.video-play-button.is-hidden{opacity:0;pointer-events:none}
.video-inline-wrap video,.video-trial-wrap video{display:block;width:100%;height:auto;max-height:72vh;object-fit:contain;background:#07120f}
.learning-top-actions button{transition:background .16s,color .16s,border-color .16s,transform .16s}
.learning-top-actions button:hover{transform:translateY(-1px)}
@media(max-width:720px){
  .directory-section-toggle{grid-template-columns:auto minmax(0,1fr) 18px;gap:8px;padding:13px 0}
  .directory-section-toggle small{display:none}
  .video-play-button{width:56px;height:56px;font-size:21px}
  .learning-shell.is-video .learning-top-actions{gap:6px}
  .learning-shell.is-video .learning-top-actions button{min-width:44px;padding:7px 9px}
}

/* v132：移动端安全边距与章节折叠动画最终覆盖。 */
.learning-section-body,.directory-section-body{overflow:hidden;max-height:1200px;opacity:1;transition:max-height .32s ease,opacity .22s ease}
.learning-section.is-collapsed .learning-section-body,.v2-directory-section.is-collapsed .directory-section-body{max-height:0;opacity:0}
.learning-section-toggle,.directory-section-toggle{-webkit-tap-highlight-color:transparent}
@media(max-width:720px){
  .learning-top-inner{width:100%;padding-inline:16px!important;box-sizing:border-box;overflow:hidden}
  .learning-back{min-width:0;max-width:calc(100vw - 150px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .learning-top-actions{min-width:0;flex-shrink:0}
  .learning-shell.is-video .learning-top-actions button{min-width:40px;padding:6px 7px;font-size:10px}
  .learning-shell.is-video .learning-main-stack{width:100%;box-sizing:border-box;padding-inline:16px!important}
  .learning-shell.is-video .video-main,.learning-shell.is-video .video-inline-wrap,.learning-shell.is-video .video-trial-wrap{width:100%;max-width:100%;margin-inline:0!important;border-radius:12px}
  .learning-shell.is-video .video-main video{width:100%;max-width:100%;height:auto}
  .video-play-button{width:54px;height:54px}
  .learning-shell.is-video .learning-outline{left:16px;right:16px}
}

/* v134：手机端学习页不遮挡正文，顶部标题与操作区严格对齐。 */
@media(max-width:720px){
  .learning-top-inner{grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;column-gap:10px;padding-inline:16px!important}
  .learning-top-context{grid-column:1/-1;grid-row:2;text-align:center!important;min-width:0;width:100%}
  .learning-top-title{max-width:100%;text-align:center}
  .learning-top-actions{grid-column:2;grid-row:1;justify-self:end;overflow:visible}
  .learning-back{grid-column:1;grid-row:1;max-width:100%;}
  .learning-shell.is-video .learning-outline{position:sticky!important;left:auto;right:auto;bottom:auto;top:74px;z-index:20;width:auto;margin:18px 16px 0;max-height:64px;overflow:hidden}
  .learning-shell.is-video .learning-outline.is-open{max-height:min(64vh,500px);overflow:auto}
  .learning-shell.is-video .learning-outline.is-open .learning-progress,.learning-shell.is-video .learning-outline.is-open .learning-lessons{display:flex}
}

/* v135：播放页恢复稳定目录；详情页单独使用手风琴目录。 */
.learning-shell.is-video .learning-section-body{display:block;max-height:none;opacity:1;overflow:visible}
.learning-shell.is-video .learning-section.is-collapsed .learning-section-body{display:block;max-height:none;opacity:1}
.learning-shell.is-video .learning-section>header{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:center}
.learning-shell.is-video .learning-outline{position:sticky;top:102px;margin:0}
.learning-shell.is-video .learning-outline-head{cursor:default}
.learning-shell.is-video .learning-top-inner{overflow:visible}
.detail-directory-list .directory-section-toggle{min-height:48px;padding:12px 16px;text-align:left;border-radius:10px}
.detail-directory-list .directory-section-toggle:hover{background:var(--brand-soft);color:var(--brand-deep)}
.detail-directory-list .directory-section-toggle h3{font-size:14px;font-weight:800}
.detail-directory-list .directory-section-toggle i{justify-self:end}
.detail-directory-list .v2-directory-section.is-collapsed .directory-section-body{display:none}
@media(max-width:900px){
  .learning-shell.is-video .learning-outline{position:static;margin:0 14px}
}
@media(max-width:720px){
  .learning-shell.is-video .learning-outline{max-height:none;overflow:visible}
  .learning-shell.is-video .learning-outline-head{cursor:default}
}

/* v130：学习目录交互、移动端固定目录入口与播放器内联播放。 */
.learning-section-toggle{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto 18px;gap:8px;align-items:center;width:100%;padding:11px 2px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);text-align:left;cursor:pointer;font:inherit}
.learning-section-toggle span{color:var(--brand);font-size:12px;font-weight:800;white-space:nowrap}
.learning-section-toggle b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.learning-section-toggle small{color:var(--muted);font-size:11px;white-space:nowrap}
.learning-section-toggle i{color:var(--brand);font-style:normal;font-size:18px;transition:transform .2s ease}
.learning-section.is-collapsed .learning-section-toggle i{transform:rotate(180deg)}
.learning-section.is-collapsed .learning-section-body{display:block}
.learning-section-toggle:hover{background:rgba(14,124,107,.045)}
.learning-shell.is-video .learning-top-actions button{border:1px solid var(--line);background:var(--paper);border-radius:999px;color:var(--brand);padding-inline:12px}
.learning-shell.is-video video{display:block;width:100%;height:auto;max-height:72vh;object-fit:contain;background:#07120f}

@media(max-width:720px){
  .learning-shell.is-video .learning-top-actions button{min-width:42px;padding:7px 9px;font-size:11px}
  .learning-shell.is-video .learning-outline{position:fixed;left:14px;right:14px;bottom:74px;z-index:70;margin:0;padding:0;border-radius:15px;max-height:64px;overflow:hidden;box-shadow:0 12px 30px rgba(24,55,45,.16)}
  .learning-shell.is-video .learning-outline-head{display:flex;align-items:center;min-height:62px;padding:12px 14px;border:0;cursor:pointer}
  .learning-shell.is-video .learning-outline-head b::after{content:' · 点击展开课程目录';font-size:11px;font-weight:500;color:var(--muted)}
  .learning-shell.is-video .learning-progress,.learning-shell.is-video .learning-lessons{display:none}
  .learning-shell.is-video .learning-outline.is-open{max-height:min(70vh,520px);overflow:auto}
  .learning-shell.is-video .learning-outline.is-open .learning-progress,.learning-shell.is-video .learning-outline.is-open .learning-lessons{display:flex}
  .learning-shell.is-video .learning-outline .learning-progress{display:none}
  .learning-section-toggle{grid-template-columns:auto minmax(0,1fr) 18px}
  .learning-section-toggle small{display:none}
}

/* v135-final：撤销播放页悬浮目录，仅保留详情页目录手风琴。 */
.learning-shell.is-video .learning-outline{position:sticky;top:102px;left:auto;right:auto;bottom:auto;margin:0;padding:20px;max-height:calc(100vh - 148px);overflow:auto;border-radius:14px}
.learning-shell.is-video .learning-outline-head{display:flex;min-height:0;padding:0 0 14px;cursor:default}
.learning-shell.is-video .learning-outline-head b::after{content:none}
.learning-shell.is-video .learning-progress,.learning-shell.is-video .learning-lessons{display:flex}
.learning-shell.is-video .learning-section-toggle,.learning-section-toggle{display:none}
@media(max-width:900px){.learning-shell.is-video .learning-outline{position:static;margin:0 14px;padding:20px;max-height:none;overflow:visible}}
@media(max-width:720px){.learning-shell.is-video .learning-outline{position:static;margin:16px 14px 0;padding:18px 14px}.learning-shell.is-video .learning-outline-head{cursor:default}.learning-shell.is-video .learning-progress,.learning-shell.is-video .learning-lessons{display:flex}}

/* v136：撤销误加的播放页移动端重复目录，播放页恢复单一目录来源。 */
.mobile-video-directory{display:none}
@media(max-width:720px){
  .learning-shell.is-video>.learning-grid>.learning-outline{display:block}
}
.video-tools{display:flex;justify-content:flex-end;gap:8px;padding:8px 0 0}
.video-tools button{border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--brand);padding:6px 10px;font-size:11px;cursor:pointer}
.video-tools button:hover{background:var(--brand-soft)}
@media(max-width:720px){.video-tools{padding-inline:2px}.video-tools button{padding:6px 9px}}

/* v137：播放器只使用原生控制条；移动端顶部操作区锁定在安全边距内。 */
.video-play-button,.video-tools{display:none!important}
@media(max-width:720px){
  .learning-shell.is-video .learning-top-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:38px 38px;width:100%;padding:8px 16px!important;box-sizing:border-box;gap:0}
  .learning-shell.is-video .learning-back{grid-column:1;grid-row:1;align-self:center;max-width:calc(100% - 8px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .learning-shell.is-video .learning-top-actions{grid-column:2;grid-row:1;justify-self:end;max-width:100%;gap:6px;overflow:visible}
  .learning-shell.is-video .learning-top-actions button{min-width:0;padding:7px 10px;font-size:12px;white-space:nowrap}
  .learning-shell.is-video .learning-top-context{grid-column:1/-1;grid-row:2;width:100%;min-width:0;text-align:center!important}
  .learning-shell.is-video .learning-top-title,.learning-shell.is-video .learning-top-meta{max-width:100%;text-align:center}
  .learning-shell.is-video>.learning-grid>.learning-outline{display:none}
  .mobile-video-directory{display:block;margin:22px 0 0;padding-top:18px;border-top:1px solid var(--line)}
  .mobile-video-directory .learning-outline{display:block!important;position:static!important;margin:0!important;padding:0!important;max-height:none!important;overflow:visible!important;border:1px solid var(--line);border-radius:14px;box-shadow:none}
  .mobile-video-directory .learning-outline-head{padding:14px!important;cursor:default!important}
  .mobile-video-directory .learning-progress,.mobile-video-directory .learning-lessons{display:flex!important}
  .learning-shell.is-video .learning-main-stack{display:flex;flex-direction:column}
  .learning-shell.is-video .learning-now,.learning-shell.is-video .video-main,.learning-shell.is-video .article-bottom-nav{order:1}
  .learning-shell.is-video .mobile-video-directory{order:2}
  .learning-shell.is-video .learning-comments{order:3}
}

/* v143：竖屏视频保持原始比例，学习目录升级为可折叠的章节卡。 */
.learning-shell.is-video .video-main{display:grid;place-items:center;aspect-ratio:auto;min-height:0;background:#07120f}
.learning-shell.is-video .video-main>video,.learning-shell.is-video .video-trial-wrap video{display:block;width:100%;height:auto;max-height:72dvh;aspect-ratio:auto!important;object-fit:contain;background:#07120f}
.learning-shell.is-video .video-trial-wrap{display:grid;place-items:center;width:100%;background:#07120f}
.learning-shell.is-video .video-main.is-portrait-video>video,.learning-shell.is-video .video-trial-wrap.is-portrait-video video{width:auto;max-width:100%;height:min(72dvh,calc(100vw * 1.7778));object-fit:contain}
.learning-shell.is-video .learning-section{margin:0 0 10px;border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden}
.learning-shell.is-video .learning-section:last-child{margin-bottom:0}
.learning-shell.is-video .learning-section-toggle,.learning-section-toggle{display:grid;width:100%;min-height:58px;grid-template-columns:auto minmax(0,1fr) auto 22px;gap:10px;align-items:center;padding:13px 14px;border:0;background:#dff0ea;color:var(--ink);text-align:left;cursor:pointer;font:inherit;-webkit-tap-highlight-color:transparent}
.learning-shell.is-video .learning-section-toggle:hover{background:#d4ebe3}
.learning-shell.is-video .learning-section.is-collapsed .learning-section-toggle{background:#fffefa}
.learning-shell.is-video .learning-section-toggle span{color:var(--brand);font-size:12px;font-weight:850;white-space:nowrap}
.learning-shell.is-video .learning-section-toggle b{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;color:var(--brand-deep)}
.learning-shell.is-video .learning-section-toggle small{font-size:11px;color:var(--muted);white-space:nowrap}
.learning-shell.is-video .learning-section-toggle i{justify-self:end;color:var(--brand);font-size:19px;font-style:normal;line-height:1;transition:transform .2s ease}
.learning-shell.is-video .learning-section.is-collapsed .learning-section-toggle i{transform:rotate(180deg)}
.learning-shell.is-video .learning-section-body{display:block;max-height:1200px;overflow:hidden;opacity:1;transition:max-height .28s ease,opacity .18s ease}
.learning-shell.is-video .learning-section.is-collapsed .learning-section-body{display:block;max-height:0;opacity:0;overflow:hidden}
.learning-shell.is-video .learn-lesson{display:grid;width:100%;min-height:72px;grid-template-columns:38px minmax(0,1fr) 18px;gap:11px;align-items:center;box-sizing:border-box;padding:11px 14px;border:0;border-top:1px solid #edf0ee;border-radius:0;background:transparent;color:var(--ink);text-align:left;cursor:pointer}
.learning-shell.is-video .learn-lesson:hover{background:#f5faf7}
.learning-shell.is-video .learn-lesson.active{background:linear-gradient(90deg,#dff0ea,#edf8f4);box-shadow:inset 4px 0 0 var(--brand);color:var(--brand-deep)}
.learning-shell.is-video .learn-no{display:grid;place-items:center;width:36px;height:36px;padding:0;border-radius:11px;background:#f0f4f2;color:#83918b;font-size:12px;font-weight:850;line-height:1}
.learning-shell.is-video .learn-lesson--playing .learn-no{background:var(--brand);color:#fff;font-size:13px;box-shadow:0 4px 10px rgba(14,124,107,.2)}
.learning-shell.is-video .learn-lesson--done .learn-no{background:#e4f5ef;color:#2fa985;font-size:17px}
.learning-shell.is-video .learn-lesson-copy{min-width:0}
.learning-shell.is-video .learn-lesson b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;line-height:1.35}
.learning-shell.is-video .learn-lesson small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px;color:var(--muted);font-size:11px}
.learning-shell.is-video .learn-lesson-arrow{color:#9aa59f;font-size:22px;font-weight:300;line-height:1}
.learning-shell.is-video .learn-lesson.active .learn-lesson-arrow{color:var(--brand)}
@media(max-width:720px){
  .learning-shell.is-video .video-main.is-portrait-video>video,.learning-shell.is-video .video-trial-wrap.is-portrait-video video{height:min(68dvh,calc(100vw * 1.7778))}
  .learning-shell.is-video .learning-section-toggle{padding:12px 13px;min-height:56px}
  .learning-shell.is-video .learning-section-toggle small{display:none}
  .learning-shell.is-video .learn-lesson{min-height:70px;padding-inline:13px}
}

/* v144：播放页目录回到专栏详情的轻量阅读感，不再堆叠卡片与框线。 */
.learning-shell.is-video .mobile-video-directory{margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.learning-shell.is-video .mobile-video-directory .learning-outline,
.learning-shell.is-video .learning-outline{padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;max-height:none;overflow:visible}
.learning-shell.is-video .learning-outline-head{display:flex;align-items:baseline;padding:0 0 18px;border-bottom:1px solid var(--line)}
.learning-shell.is-video .learning-outline-head b{font-size:23px;letter-spacing:-.035em}
.learning-shell.is-video .learning-outline-head span{font-size:12px;color:var(--muted)}
.learning-shell.is-video .learning-progress{display:none!important}
.learning-shell.is-video .learning-lessons{display:block!important;padding:0;overflow:visible}
.learning-shell.is-video .learning-section{margin:0;border:0;border-radius:0;background:transparent;overflow:visible}
.learning-shell.is-video .learning-section-toggle,.learning-section-toggle{min-height:56px;padding:17px 0 12px;grid-template-columns:auto minmax(0,1fr) auto 18px;gap:9px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink)}
.learning-shell.is-video .learning-section-toggle:hover,.learning-shell.is-video .learning-section.is-collapsed .learning-section-toggle{background:transparent}
.learning-shell.is-video .learning-section-toggle span{font-size:11px;color:var(--brand);letter-spacing:.04em}
.learning-shell.is-video .learning-section-toggle b{font-size:16px;color:var(--ink)}
.learning-shell.is-video .learning-section-toggle small{font-size:11px;color:var(--muted)}
.learning-shell.is-video .learning-section-toggle i{font-size:16px;color:var(--muted)}
.learning-shell.is-video .learning-section-body{max-height:1200px}
.learning-shell.is-video .learning-section.is-collapsed .learning-section-body{max-height:0}
.learning-shell.is-video .learn-lesson{min-height:64px;grid-template-columns:24px minmax(0,1fr);gap:11px;padding:13px 0;border:0;border-bottom:1px solid #edf0ee;border-radius:0;background:transparent}
.learning-shell.is-video .learn-lesson:hover{background:transparent;color:var(--brand-deep)}
.learning-shell.is-video .learn-lesson.active{padding-left:12px;background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand)}
.learning-shell.is-video .learn-no{width:24px;height:24px;border-radius:50%;background:transparent;color:#91a19a;font-size:11px;font-weight:800}
.learning-shell.is-video .learn-lesson--playing .learn-no{background:var(--brand);color:#fff;font-size:10px;box-shadow:none}
.learning-shell.is-video .learn-lesson--done .learn-no{background:transparent;color:#56ba9a;font-size:17px}
.learning-shell.is-video .learn-lesson b{font-size:14px;font-weight:700;color:var(--ink)}
.learning-shell.is-video .learn-lesson.active b{color:var(--brand-deep)}
.learning-shell.is-video .learn-lesson small{margin-top:3px;font-size:11px;color:var(--muted)}
.learning-shell.is-video .learn-lesson-arrow{display:none}
@media(max-width:720px){
  .learning-shell.is-video .mobile-video-directory{margin-top:28px;padding-top:22px}
  .learning-shell.is-video .mobile-video-directory .learning-outline{border:0!important;border-radius:0!important}
  .learning-shell.is-video .mobile-video-directory .learning-outline-head{padding:0 0 16px!important}
  .learning-shell.is-video .learning-outline-head b{font-size:22px}
  .learning-shell.is-video .learning-section-toggle{min-height:54px;padding:16px 0 11px}
  .learning-shell.is-video .learn-lesson{min-height:62px;padding-block:12px}
}

/* v145：播放页目录直接复用课程详情的目录语言。 */
.learning-shell.is-video .mobile-video-directory{margin-top:34px;padding-top:0;border-top:0}
.learning-shell.is-video .mobile-video-directory .learning-outline,
.learning-shell.is-video .learning-outline{position:sticky;top:102px;box-sizing:border-box;padding:26px;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:18px;background:var(--paper);box-shadow:0 12px 30px rgba(24,55,45,.05)}
.learning-shell.is-video .learning-outline-head--detail{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:0 0 22px;border-bottom:1px solid var(--line)}
.learning-shell.is-video .learning-outline-heading{display:grid;gap:5px}
.learning-shell.is-video .learning-outline-heading .section-kicker{display:flex;align-items:center;gap:10px;margin:0;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.08em}
.learning-shell.is-video .learning-outline-heading .section-kicker::before{content:'';width:34px;height:1px;background:currentColor}
.learning-shell.is-video .learning-outline-heading b{font-size:24px;letter-spacing:-.04em;color:var(--ink)}
.learning-shell.is-video .learning-outline-heading small{font-size:12px;color:var(--muted)}
.learning-shell.is-video .learning-outline-head--detail>span{padding-top:31px;white-space:nowrap;font-size:12px;color:var(--muted)}
.learning-shell.is-video .learning-section{margin-top:20px}
.learning-shell.is-video .learning-section-toggle,.learning-section-toggle{min-height:58px;padding:14px 16px;grid-template-columns:auto minmax(0,1fr) auto 18px;border:1px solid #cfe3dc;border-radius:14px;background:#dff0ea}
.learning-shell.is-video .learning-section-toggle:hover,.learning-shell.is-video .learning-section.is-collapsed .learning-section-toggle{background:#dff0ea}
.learning-shell.is-video .learning-section-toggle span{font-size:12px;font-weight:850;color:var(--brand)}
.learning-shell.is-video .learning-section-toggle b{font-size:17px;color:var(--brand-deep)}
.learning-shell.is-video .learning-section-toggle i{color:var(--brand);font-size:18px}
.learning-shell.is-video .learning-section-body{padding:6px 0 0}
.learning-shell.is-video .learn-lesson{min-height:74px;grid-template-columns:48px minmax(0,1fr);gap:14px;padding:13px 0;border-bottom:1px solid #edf0ee}
.learning-shell.is-video .learn-lesson.active{padding:13px 14px;background:var(--brand-soft);box-shadow:inset 4px 0 0 var(--brand)}
.learning-shell.is-video .learn-no{width:48px;height:48px;border-radius:14px;background:#e4f3ee;color:var(--brand);font-size:13px}
.learning-shell.is-video .learn-lesson--playing .learn-no{background:var(--brand);color:#fff;font-size:15px;box-shadow:0 6px 14px rgba(14,124,107,.18)}
.learning-shell.is-video .learn-lesson--done .learn-no{background:#e4f3ee;color:#42b995;font-size:22px}
.learning-shell.is-video .learn-lesson b{font-size:15px}
.learning-shell.is-video .learn-lesson small{font-size:12px;margin-top:5px}
@media(max-width:900px){
  .learning-shell.is-video .learning-outline{position:static;margin:0}
}
@media(max-width:720px){
  .learning-shell.is-video .mobile-video-directory{margin-top:26px}
  .learning-shell.is-video .mobile-video-directory .learning-outline{margin:0!important;padding:22px 18px;border-radius:18px!important;border-left-width:4px!important;background:var(--paper)!important}
  .learning-shell.is-video .mobile-video-directory .learning-outline-head--detail{padding:0 0 18px!important}
  .learning-shell.is-video .learning-outline-heading b{font-size:22px}
  .learning-shell.is-video .learning-outline-head--detail>span{padding-top:28px;font-size:11px}
  .learning-shell.is-video .learning-section{margin-top:16px}
  .learning-shell.is-video .learning-section-toggle{padding:13px 14px;min-height:56px}
  .learning-shell.is-video .learn-lesson{min-height:68px;grid-template-columns:42px minmax(0,1fr);gap:12px;padding-block:11px}
  .learning-shell.is-video .learn-lesson.active{padding:11px 12px}
  .learning-shell.is-video .learn-no{width:42px;height:42px;border-radius:12px}
}

/* v146：播放页不再复制近似组件，直接采用课程详情页的目录结构与视觉规则。 */
.learning-shell.is-video .learning-outline.detail-directory-sidebar{top:88px;padding:18px 16px;border:1px solid var(--line);border-radius:16px;background:rgba(255,254,250,.86);box-shadow:0 8px 24px rgba(24,55,45,.05)}
.learning-shell.is-video .detail-directory-heading{padding:0 2px 14px;border-bottom:1px solid var(--line)}
.learning-shell.is-video .detail-directory-heading h2{margin:7px 0 4px;font-size:21px;line-height:1.25}
.learning-shell.is-video .detail-directory-heading small{color:var(--muted);font-size:11px}
.learning-shell.is-video .detail-directory-list{display:flex;flex-direction:column;gap:12px;padding-top:12px}
.learning-shell.is-video .detail-directory-list .v2-directory-section{margin:0;border:0;background:transparent;border-radius:0;overflow:visible}
.learning-shell.is-video .detail-directory-list .directory-section-toggle{min-height:48px;padding:12px 16px;border:0;border-radius:10px;background:transparent}
.learning-shell.is-video .detail-directory-list .v2-directory-section:not(.is-collapsed)>.directory-section-toggle{background:#dff0ea}
.learning-shell.is-video .detail-directory-list .directory-section-toggle h3{font-size:14px;font-weight:800}
.learning-shell.is-video .detail-directory-list .v2-directory-section .v2-chapter{display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;padding:11px 0;border-bottom:1px solid rgba(237,240,237,.95);background:transparent}
.learning-shell.is-video .detail-directory-list .v2-chapter-main b{font-size:12px;line-height:1.4}
.learning-shell.is-video .detail-directory-list .v2-chapter-main p{font-size:10px}
.learning-shell.is-video .detail-directory-list .v2-chapter-state{grid-column:2;justify-self:start;margin-top:3px;font-size:9px;padding:4px 7px}
.learning-shell.is-video .detail-directory-list .v2-chapter-no{width:24px;height:24px;font-size:9px}
.learning-shell.is-video .detail-directory-list .learning-directory-chapter--playing{margin-inline:-4px;padding-inline:8px;background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand)}
.learning-shell.is-video .detail-directory-list .learning-directory-chapter--playing .v2-chapter-no{background:var(--brand);color:#fff}
.learning-shell.is-video .detail-directory-list .learning-directory-chapter--done .v2-chapter-no{font-size:15px;color:#42b995}
@media(max-width:720px){
  .learning-shell.is-video .mobile-video-directory .learning-outline.detail-directory-sidebar{padding:12px!important;border-left:2px solid var(--brand)!important;border-radius:14px!important}
  .learning-shell.is-video .detail-directory-heading{padding-bottom:10px}
  .learning-shell.is-video .detail-directory-heading h2{font-size:19px}
  .learning-shell.is-video .detail-directory-list{gap:8px;padding-top:10px}
  .learning-shell.is-video .detail-directory-list .v2-directory-section .v2-chapter{padding:10px 0}
  .learning-shell.is-video .detail-directory-list .v2-chapter-main b{font-size:12px}
  .detail-directory-list .directory-section-toggle,.learning-shell.is-video .detail-directory-list .directory-section-toggle{padding-inline:14px}
}

/* v154：保持原有头像尺寸，上移并明确留在首页首屏范围内。 */
@media(min-width:721px){
  .home-hero-visual{isolation:isolate}
  .home-hero-visual::before{z-index:0}
  .home-hero-visual::after{z-index:1;pointer-events:none}
  .home-hero-visual .home-hero-portrait{position:absolute!important;top:-50px!important;right:30px!important;bottom:auto!important;left:auto!important;z-index:10!important;display:block!important;width:300px!important;height:360px!important;max-width:none!important;overflow:hidden;border:1px solid rgba(7,95,80,.18);border-radius:44% 44% 18px 18px;background:#fff;box-shadow:0 16px 36px rgba(16,55,43,.16);object-fit:cover;object-position:center top;opacity:1!important;visibility:visible!important;filter:none;transform:none}
  .home-hero-visual .home-hero-portrait.home-studio-fallback{display:flex!important;align-items:center;justify-content:center;font-size:70px}
  .home-hero-visual .home-studio-name{right:16px!important;bottom:26px!important;z-index:11}
}

/* v167：图文专栏课程目录与视频学习页统一。桌面在左，手机移至正文后，顶部只保留收藏和分享。 */
.mobile-article-directory{display:none}
.learning-shell.is-article .learning-outline--desktop{position:sticky;top:102px}
@media(max-width:900px){
  .learning-shell.is-article .learning-outline--desktop{display:none!important}
  .learning-shell.is-article .mobile-article-directory{display:block;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
  .learning-shell.is-article .mobile-article-directory .learning-outline{position:static!important;display:block!important;width:auto!important;max-height:none!important;overflow:visible!important;margin:0!important;padding:20px!important;border:1px solid var(--line)!important;border-left:4px solid var(--brand)!important;border-radius:16px!important;transform:none!important;box-shadow:none!important}
  .learning-shell.is-article .mobile-article-directory .learning-outline-head{display:flex!important;align-items:baseline;justify-content:space-between;gap:12px;padding:0 0 14px!important;border-bottom:1px solid var(--line);cursor:default}
  .learning-shell.is-article .mobile-article-directory .learning-progress,.learning-shell.is-article .mobile-article-directory .learning-lessons{display:flex!important}
}
@media(max-width:720px){
  .learning-shell.is-article .learning-top-actions{display:flex;gap:6px;white-space:nowrap}
  .learning-shell.is-article .learning-top-actions button{min-width:0;padding:7px 10px;font-size:12px;white-space:nowrap}
  .learning-shell.is-article .mobile-article-directory{margin-top:28px;padding-top:22px}
  .learning-shell.is-article .mobile-article-directory .learning-outline{padding:16px!important;border-radius:14px!important}
}

/* v180：目录使用常见的 V 形 chevron，展开时平滑旋转，不使用生硬文字箭头。 */
.article-directory-quick{display:none}
@media(max-width:900px){
  .learning-shell.is-article .learning-outline--desktop{display:none!important}
  .article-directory-quick{position:relative;z-index:90;display:block;width:calc(100% - 36px);max-width:760px;margin:0 auto;border-bottom:1px solid var(--line);background:var(--paper)}
  .article-directory-trigger{position:relative;z-index:2;display:flex;align-items:center;width:auto;min-height:48px;padding:0;border:0;background:transparent;color:var(--brand);text-align:left;cursor:pointer}
  .article-directory-trigger b{font-size:15px;color:inherit}
  .article-directory-trigger i{display:inline-block;font-style:normal;font-size:inherit;font-weight:inherit;color:inherit;transition:transform .2s ease}
  .article-directory-quick.is-open .article-directory-trigger i{transform:rotate(180deg)}
  .article-directory-panel{position:absolute;top:100%;left:0;display:block;width:min(60vw,320px);max-height:min(66dvh,560px);overflow:auto;padding:0 18px;visibility:hidden;opacity:0;transform:translateX(-10px);transform-origin:top left;pointer-events:none;border:1px solid var(--line);border-top:0;border-left:0;border-radius:0 0 16px 0;background:var(--paper);box-shadow:12px 18px 32px rgba(24,55,45,.14);transition:opacity .2s ease,transform .24s ease,visibility .2s}
  .article-directory-quick.is-open .article-directory-panel{visibility:visible;opacity:1;transform:translateY(0);pointer-events:auto}
  .article-directory-quick.is-open .article-directory-trigger{border-bottom:1px solid var(--line)}
  .article-directory-panel-inner{min-height:0;padding:8px 0 16px}
  .article-directory-panel-inner .learning-outline-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0 12px;border-bottom:1px solid var(--line)}
  .article-directory-panel-inner .learning-progress{margin:12px 0 8px}
  .article-directory-panel-inner .learning-lessons{display:flex;padding:0;gap:4px}
}
@media(max-width:720px){
  .learning-shell.is-article .learning-top-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:38px 38px;width:100%;padding:8px 16px!important;box-sizing:border-box;gap:0}
  .learning-shell.is-article .learning-back{grid-column:1;grid-row:1;align-self:center;max-width:calc(100% - 8px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .learning-shell.is-article .learning-top-actions{grid-column:2;grid-row:1;justify-self:end;max-width:100%;gap:6px;overflow:visible}
  .learning-shell.is-article .learning-top-actions button{min-width:0;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--brand);padding:7px 10px;font-size:12px;white-space:nowrap}
  .learning-shell.is-article .learning-top-context{grid-column:1/-1;grid-row:2;width:100%;min-width:0;text-align:center!important}
  .learning-shell.is-article .learning-top-title,.learning-shell.is-article .learning-top-meta{max-width:100%;text-align:center}
  .article-directory-quick{width:100%;padding:0 18px;box-sizing:border-box}
  .article-directory-panel{left:0;width:min(60vw,320px);box-sizing:border-box}
}

/* 最终覆盖：目录不另占一行，而是在第二行篇章信息左侧打开半屏浮层。 */
.article-directory-menu{display:none}
@media(max-width:900px){
  .learning-shell.is-article .learning-top-context{position:relative}
  .learning-shell.is-article .learning-top-meta-row{position:relative;display:block;margin-top:2px;min-height:16px}
  .learning-shell.is-article .learning-top-meta-row>.learning-top-meta{display:block;margin-top:0;text-align:center}
  .learning-shell.is-article .article-directory-menu{position:absolute;z-index:100;top:0;left:0;display:block}
  .learning-shell.is-article .article-directory-menu .article-directory-trigger{position:relative;z-index:2;display:flex;align-items:center;min-height:16px;padding:0;border:0;background:transparent;color:var(--brand);font-size:12px;font-weight:650;line-height:16px;cursor:pointer}
  .learning-shell.is-article .article-directory-menu .article-directory-trigger b{display:flex;align-items:center;font-size:inherit;font-weight:inherit;color:inherit}
  .learning-shell.is-article .article-directory-menu .article-directory-trigger i{display:inline-block;width:6px;height:6px;margin:0 0 3px 6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:transform .2s ease,margin .2s ease}
  .learning-shell.is-article .article-directory-menu.is-open .article-directory-trigger i{margin:3px 0 0 6px;transform:rotate(225deg)}
  .learning-shell.is-article .article-directory-menu .article-directory-panel{position:absolute;top:calc(100% + 12px);left:0;width:min(60vw,320px);max-height:min(66dvh,560px);overflow:auto;padding:0 18px;visibility:hidden;opacity:0;transform:translateX(-10px);pointer-events:none;border:1px solid var(--line);border-left:0;border-radius:0 0 16px 0;background:var(--paper);box-shadow:12px 18px 32px rgba(24,55,45,.14);transition:opacity .2s ease,transform .24s ease,visibility .2s}
  .learning-shell.is-article .article-directory-menu.is-open .article-directory-panel{visibility:visible;opacity:1;transform:translateX(0);pointer-events:auto}
  .learning-shell.is-article .article-directory-menu .article-directory-panel-inner{padding:8px 0 16px}
}

/* 我的收藏与我的课程共用紧凑封面，防止原始海报撑满卡片。 */
.pc-course-cover{width:92px;height:92px;flex:0 0 92px;object-fit:cover;display:block}
.pc-favorite-course{align-items:center;padding-right:12px}
.pc-course-link{display:flex;align-items:stretch;flex:1;min-width:0;color:inherit}
.pc-favorite-remove{flex:0 0 auto;margin-right:2px}
.pc-pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:20px;color:var(--muted);font-size:13px}

/* v194：课程列表始终使用紧凑横向卡；训练营只做文字保护，不能放大所有分类卡片。 */
@media(max-width:520px){
  .catalog-main .train-camp-card .course-body h3{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
  .catalog-main .train-camp-card .course-body .desc{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
  .catalog-main .train-camp-card .course-meta{white-space:nowrap}
}

/* 图文学习页：标题属于正文层级；顶栏只负责返回、专栏上下文和轻量操作。 */
.article-reading-head{padding:36px 34px 8px;border-bottom:1px solid var(--line)}
.article-reading-head .section-kicker{margin-bottom:10px}
.article-reading-head h1{margin:0;color:var(--ink);font-size:30px;line-height:1.32;letter-spacing:-.03em}
.article-reading-head p{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.65}
.learning-shell.is-article .learning-top-actions{gap:7px}
.learning-shell.is-article .learning-top-actions button{min-width:0;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--brand);font-size:12px;font-weight:700}
@media(max-width:720px){
  .article-reading-head{padding:26px 18px 5px}
  .article-reading-head h1{font-size:24px;line-height:1.38}
  .article-reading-head p{font-size:13px}
  .learning-shell.is-article .learning-top-inner{grid-template-columns:minmax(0,1fr) auto;grid-template-rows:36px 38px;padding:7px 16px!important}
  .learning-shell.is-article .learning-top-actions{gap:5px}
  .learning-shell.is-article .learning-top-actions button{min-height:32px;padding:6px 10px;font-size:12px}
}
.article-detail .detail-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.article-detail-actions{display:flex;gap:6px;flex:0 0 auto}
@media(max-width:720px){
  .learning-shell.is-article .learning-top-inner{overflow:visible}
  .learning-shell.is-article .article-directory-menu{left:0}
  .learning-shell.is-article .article-directory-menu .article-directory-panel{width:min(60vw,320px)}
}

/* v192：训练营沿用课程卡片语言；详情不再把标题强压在封面上。 */
.train-camp-card{color:inherit;text-decoration:none}
.train-camp-card .course-cover{height:148px}
/* 训练营类型只在卡片正文显示，封面不叠角标。 */
.train-camp-card .train-flag{display:none}
.train-detail{max-width:1080px;padding-top:42px}
.train-detail-hero{display:grid;grid-template-columns:minmax(300px,42%) minmax(0,1fr);gap:42px;align-items:center;padding:0 0 36px;border-bottom:1px solid var(--line)}
.train-detail-cover{position:relative;aspect-ratio:1586/992;overflow:hidden;border-radius:20px;background:linear-gradient(135deg,#0b342d,#087d68);box-shadow:none}
.train-detail-cover img{display:block;width:100%;height:100%;object-fit:cover}
.train-detail-cover.is-placeholder{display:grid;place-items:center;color:#fff;font-size:28px;font-weight:800}
.train-detail-summary .section-kicker{margin-bottom:12px}
.train-detail-summary h1{margin:0;color:var(--ink);font-size:34px;line-height:1.2;letter-spacing:-.035em}
.train-detail-summary>p{margin:14px 0 0;color:var(--muted);font-size:15px;line-height:1.7}
.train-detail-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.train-detail-meta span{padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:#f6f8f6;color:var(--ink-2);font-size:12px}
.train-detail-summary .train-progress-wrap{max-width:none;margin-top:22px}
.train-detail-summary .train-progress{height:6px;background:#e5ebe7}
.train-detail-summary .train-progress i{background:var(--brand)}
.train-detail-summary .train-progress-label{margin-top:8px;color:var(--muted)}
.train-content{margin-top:28px;padding:30px;border-radius:20px;background:var(--paper);box-shadow:none}
.train-content-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}
.train-content-head .section-kicker{margin-bottom:8px}
.train-content-head h2{margin:0;font-size:25px;letter-spacing:-.025em}
.train-content-head>span{color:var(--muted);font-size:13px}
.train-list{gap:12px;position:relative}
.train-item{grid-template-columns:48px minmax(0,1fr) auto;gap:16px;padding:18px;border-radius:16px;background:#fff;border-color:var(--line);box-shadow:none}
.train-item:hover{border-color:#b9d8cc;background:#fcfefd}
.train-no{width:44px;height:44px;border-radius:14px;background:#e5f2ed;color:var(--brand)}
.train-item-head{gap:8px}
.train-item-head b{font-size:16px;line-height:1.45}
.train-type,.train-chapter{font-size:11px;padding:3px 8px}
.train-item-desc{margin-top:5px}
.train-item-action .btn{min-height:36px;padding:7px 12px;border-radius:10px;font-size:13px}
.train-hint,.train-lock,.train-done{font-size:12px}
@media(max-width:720px){
  .train-detail{padding:22px 18px 96px}
  .train-detail-hero{grid-template-columns:1fr;gap:20px;padding-bottom:26px}
  .train-detail-cover{border-radius:16px}
  .train-detail-summary h1{font-size:27px}
  .train-detail-summary>p{margin-top:10px;font-size:14px}
  .train-detail-meta{margin-top:15px;gap:6px}
  .train-detail-meta span{padding:5px 8px;font-size:11px}
  .train-content{margin-top:20px;padding:20px 14px;border-radius:16px}
  .train-content-head{margin:0 4px 14px;align-items:end}
  .train-content-head h2{font-size:21px}
  .train-item{grid-template-columns:38px minmax(0,1fr);gap:11px;padding:15px 13px;border-radius:14px}
  .train-no{width:38px;height:38px;border-radius:12px;font-size:13px}
  .train-item-head b{font-size:15px}
  .train-item-action{grid-column:2;justify-content:flex-start;margin-top:2px}
  .train-item-action .btn{min-height:34px;padding:6px 10px}
}

/* v203：会员页优先呈现套餐，权益摘要收在开通按钮下方。 */
.member-v2-main{padding:18px 0 92px}
.member-coverage-strip{display:flex;align-items:center;gap:10px;margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fafbf8}
.member-coverage-strip>span{flex:0 0 auto;color:var(--brand);font-size:11px;font-weight:800;white-space:nowrap}
.member-coverage-strip p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}
@media(max-width:520px){
  .member-v2-main{padding-top:12px}
  .member-coverage-strip{align-items:flex-start}
}

/* v215：学习页回到阅读器结构。Logo/菜单归网站状态栏，课程目录与本节目录归一条轻量导航。 */
body.route-learning .learning-top{min-height:54px;overflow:visible!important;border-bottom:1px solid var(--line);background:var(--bg)}
.learning-reader-utility{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:54px;width:min(calc(100% - 48px),1380px);margin:0 auto}
.reader-favorite-toggle{flex:0 0 auto;border:1px solid rgba(18,35,29,.16);border-radius:999px;background:#fff;color:var(--brand);padding:8px 13px;font:inherit;font-size:13px;font-weight:750;cursor:pointer}
.reader-favorite-toggle.active,.favorite-toggle.active{border-color:var(--brand);background:rgba(20,112,91,.08);color:var(--brand)}
.reader-favorite-toggle:disabled,.favorite-toggle:disabled{opacity:.55;cursor:wait}
.reader-utility-trigger{display:inline-flex;align-items:center;gap:9px;min-height:38px;padding:6px 0;border:0;background:transparent;color:var(--ink-2);font:inherit;font-size:14px;font-weight:750;letter-spacing:.01em;cursor:pointer;transition:color .18s ease}
.reader-utility-trigger:hover,.reader-utility-menu.is-open .reader-utility-trigger{color:var(--brand)}
.reader-menu-icon{position:relative;display:inline-block;width:16px;height:12px;background:linear-gradient(var(--ink-2),var(--ink-2)) 0 0/16px 1.5px no-repeat,linear-gradient(var(--ink-2),var(--ink-2)) 0 5px/11px 1.5px no-repeat,linear-gradient(var(--ink-2),var(--ink-2)) 0 10px/16px 1.5px no-repeat;transition:background .18s ease}
.reader-utility-menu.is-open .reader-menu-icon{background:linear-gradient(var(--brand),var(--brand)) 0 0/16px 1.5px no-repeat,linear-gradient(var(--brand),var(--brand)) 0 5px/11px 1.5px no-repeat,linear-gradient(var(--brand),var(--brand)) 0 10px/16px 1.5px no-repeat}
.reader-utility-trigger i{font-style:normal;font-size:19px;font-weight:400;line-height:1;transition:transform .18s ease}
.reader-utility-menu.is-open .reader-utility-trigger i{transform:translateX(2px)}
.reader-utility-progress{color:var(--muted);font-size:13px;white-space:nowrap}
.reader-directory-empty{margin:0;padding:16px 0 4px;color:var(--muted);font-size:13px;line-height:1.6}
.reader-directory-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:13px;border-bottom:1px solid var(--line)}
.reader-directory-head b{color:var(--ink);font-size:16px;line-height:1.25}
.reader-directory-head span{color:var(--muted);font-size:12px;white-space:nowrap}
.reader-directory-list{margin-top:2px}
.learning-shell .v2-directory-section{margin:0;border:0!important;border-bottom:1px solid var(--line)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}
.learning-shell .v2-directory-section:last-child{border-bottom:0!important}
.learning-shell .directory-section-toggle{display:grid!important;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:8px;width:100%;min-height:0!important;padding:14px 0!important;border:0!important;border-radius:0!important;background:transparent!important;color:var(--ink);text-align:left;box-shadow:none!important}
.learning-shell .directory-section-toggle>span{color:var(--brand);font-size:12px;font-weight:800;white-space:nowrap}
.learning-shell .directory-section-toggle h3{margin:0!important;min-width:0;color:var(--ink);font-size:15px!important;line-height:1.42!important;font-weight:760!important}
.learning-shell .directory-section-toggle small{color:var(--muted);font-size:11px;white-space:nowrap}
.learning-shell .directory-section-toggle i{font-style:normal;color:var(--muted);font-size:14px;transition:transform .18s ease}
.learning-shell .v2-directory-section.is-collapsed .directory-section-toggle i{transform:rotate(180deg)}
.learning-shell .directory-section-body{padding:0 0 10px!important}
.learning-shell .v2-directory-section.is-collapsed .directory-section-body{display:none}
.learning-shell .v2-chapter{display:grid!important;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:9px;min-height:0!important;margin:0!important;padding:10px 0!important;border:0!important;border-bottom:1px dashed rgba(129,151,143,.38)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;text-decoration:none}
.learning-shell .v2-chapter:last-child{border-bottom:0!important}
.learning-shell .v2-chapter:hover{background:transparent!important}
.learning-shell .v2-chapter-no{display:grid!important;place-items:center;width:24px!important;height:24px!important;border-radius:50%!important;background:#e5f2ed!important;color:var(--brand)!important;font-size:10px!important;font-weight:800}
.learning-shell .v2-chapter-main b{display:block;overflow:hidden;color:var(--ink);font-size:14px;line-height:1.5;white-space:nowrap;text-overflow:ellipsis}
.learning-shell .v2-chapter-main p{display:none!important}
.learning-shell .v2-chapter-state{padding:0!important;background:transparent!important;color:var(--muted)!important;font-size:11px!important;white-space:nowrap}
.learning-shell .learning-directory-chapter--playing .v2-chapter-main b{color:var(--brand)}
.learning-shell .learning-directory-chapter--playing .v2-chapter-state{color:var(--brand)!important;font-weight:750}
.learning-shell .article-page-toc{border-radius:0!important;background:transparent!important;box-shadow:none!important}
.reader-page-toc-list{display:grid;gap:0;margin-top:7px}
.reader-page-toc-list .article-toc-link{display:block;padding:9px 0;border-bottom:1px dashed rgba(129,151,143,.38);font-size:14px;line-height:1.5}
.reader-page-toc-list .article-toc-link:last-child{border-bottom:0}
.reader-utility-page{position:relative}
.reader-page-popover{position:absolute;top:calc(100% + 8px);right:0;z-index:35;width:min(360px,calc(100vw - 32px));max-height:min(62vh,520px);overflow:auto;padding:15px 18px 12px;border:1px solid var(--line);border-radius:14px;background:#fbfcf8;box-shadow:0 18px 38px rgba(12,26,20,.18);opacity:0;visibility:hidden;pointer-events:none;transform:translate3d(0,-12px,0);transition:opacity .2s ease,transform .26s cubic-bezier(.16,1,.3,1),visibility 0s linear .26s}
.reader-page-popover.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate3d(0,0,0);transition-delay:0s}
.reader-page-popover-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:11px;border-bottom:1px solid var(--line)}
.reader-page-popover-head b{font-size:15px;color:var(--ink)}
.reader-page-popover-head span{font-size:12px;color:var(--muted)}
.article-bottom-nav{align-items:center;flex-wrap:wrap}
.article-share-action{margin-left:auto;padding:8px 0;border:0;background:transparent;color:var(--brand);font:inherit;font-size:13px;font-weight:750;cursor:pointer}
.article-share-action:hover{text-decoration:underline;text-underline-offset:3px}
@media(max-width:720px){
  body.route-learning .learning-top{top:60px;min-height:52px}
  .learning-reader-utility{width:calc(100% - 32px);min-height:52px}
  .reader-utility-trigger{min-height:36px;font-size:13px}
  .reader-utility-page{margin-left:auto}
  .reader-directory-head{padding-bottom:14px}
  .reader-directory-head b{font-size:17px}
  .learning-shell .directory-section-toggle{padding:15px 0!important}
  .learning-shell .directory-section-toggle h3{font-size:15px!important}
  .learning-shell .v2-chapter{grid-template-columns:27px minmax(0,1fr);padding:12px 0!important}
  .learning-shell .v2-chapter-state{display:none!important}
  .learning-shell .v2-chapter-main b{font-size:14px;white-space:normal}
  .article-share-action{width:100%;margin:4px 0 0;text-align:right}
}

/* 专栏目录：参考阅读器使用独立左抽屉 + 遮罩，不能挤占正文，也不依赖 #app 的层级。 */
body.reader-directory-open{overflow:hidden;touch-action:none}
.reader-directory-drawer{position:fixed;z-index:1200;inset:0;display:block;visibility:hidden;pointer-events:none}
.reader-directory-drawer.is-open{visibility:visible;pointer-events:auto}
.reader-directory-backdrop{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(17,29,25,.58);opacity:0;cursor:default;transition:opacity .32s ease;will-change:opacity}
.reader-directory-drawer.is-open .reader-directory-backdrop{opacity:1}
.reader-directory-sheet{position:relative;z-index:1;display:flex;flex-direction:column;width:min(540px,72vw);height:100%;overflow:hidden;background:#fbfcf8;color:var(--ink);box-shadow:20px 0 44px rgba(12,26,20,.22);transform:translate3d(-104%,0,0);transition:transform .38s cubic-bezier(.16,1,.3,1);will-change:transform}
.reader-directory-drawer.is-open .reader-directory-sheet{transform:translateX(0)}
.reader-directory-sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:25px 28px 19px;border-bottom:1px solid var(--line);background:#f8faf5}
.reader-directory-sheet-head span{display:block;margin-bottom:6px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.1em}
.reader-directory-sheet-head h2{max-width:400px;margin:0;color:var(--ink);font-size:23px;line-height:1.35;letter-spacing:-.025em}
.reader-directory-close{flex:0 0 auto;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:var(--paper);color:var(--ink-2);font-size:27px;font-weight:300;line-height:30px;cursor:pointer}
.reader-directory-close:hover{border-color:var(--brand);color:var(--brand)}
.reader-directory-sheet-body{flex:1;overflow-y:auto;padding:0 28px 34px;overscroll-behavior:contain}
.reader-directory-sheet-meta{display:flex;justify-content:space-between;gap:12px;padding:17px 0 12px;color:var(--muted);font-size:13px;border-bottom:1px solid var(--line)}
.reader-directory-sheet-body .reader-directory-list{margin-top:0}
.reader-directory-sheet .v2-directory-section{margin:0!important;border:0!important;border-bottom:1px solid var(--line)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}
.reader-directory-sheet .v2-directory-section:last-child{border-bottom:0!important}
.reader-directory-sheet .directory-section-toggle{display:grid!important;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;width:100%;min-height:52px;padding:14px 0!important;border:0!important;background:transparent!important;text-align:left}
.reader-directory-sheet .directory-section-toggle>span{color:var(--brand);font-size:12px;font-weight:800;white-space:nowrap}
.reader-directory-sheet .directory-section-toggle h3{overflow:hidden;margin:0!important;color:var(--ink)!important;font-size:16px!important;line-height:1.45!important;white-space:nowrap;text-overflow:ellipsis}
.reader-directory-sheet .directory-section-toggle small{display:none!important}
.reader-directory-sheet .directory-section-toggle::after{width:8px;height:8px;margin-right:3px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);content:''}
.reader-directory-sheet .v2-directory-section.is-collapsed .directory-section-toggle::after{transform:rotate(-45deg)}
.reader-directory-sheet .directory-section-body{padding:0 0 8px!important}
.reader-directory-sheet .v2-chapter{display:grid!important;grid-template-columns:28px minmax(0,1fr);align-items:center;gap:10px;min-height:0!important;margin:0!important;padding:11px 0!important;border:0!important;border-bottom:1px dashed rgba(129,151,143,.38)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;text-decoration:none}
.reader-directory-sheet .v2-chapter:last-child{border-bottom:0!important}
.reader-directory-sheet .v2-chapter-no{display:grid!important;place-items:center;width:25px!important;height:25px!important;border-radius:50%!important;background:#e5f2ed!important;color:var(--brand)!important;font-size:10px!important;font-weight:800}
.reader-directory-sheet .v2-chapter-main b{display:block;overflow:hidden;color:var(--ink);font-size:14px;line-height:1.5;white-space:nowrap;text-overflow:ellipsis}
.reader-directory-sheet .v2-chapter-main p,.reader-directory-sheet .v2-chapter-state{display:none!important}
.reader-directory-sheet .learning-directory-chapter--playing .v2-chapter-main b{color:var(--brand)}
@media(max-width:720px){.reader-directory-sheet{width:min(78vw,470px)}.reader-directory-sheet-head{padding:20px 20px 16px}.reader-directory-sheet-head h2{font-size:20px}.reader-directory-sheet-body{padding:0 20px 30px}.reader-page-popover{right:0;width:min(360px,calc(100vw - 32px))}.reader-page-popover .article-toc-link{font-size:13px}}

/* v226：阅读器微交互只走局部合成动画，不能因隐藏滚动条或 display:none 让整页跳动。 */
html{scrollbar-gutter:stable}
body.reader-directory-open{overflow:hidden}
.reader-directory-drawer{contain:layout paint;isolation:isolate}
.reader-directory-drawer.is-open .reader-directory-sheet{transform:translate3d(0,0,0)}
.reader-directory-sheet,.reader-directory-backdrop,.reader-page-popover{backface-visibility:hidden;-webkit-backface-visibility:hidden}
.reader-directory-sheet .directory-section-toggle::after{transition:transform .24s cubic-bezier(.16,1,.3,1)}
.learning-shell .v2-directory-section .directory-section-body,.reader-directory-sheet .v2-directory-section .directory-section-body{display:block!important;max-height:2400px;overflow:hidden;opacity:1;will-change:max-height,opacity;transition:max-height .3s cubic-bezier(.16,1,.3,1),opacity .18s ease,padding .3s cubic-bezier(.16,1,.3,1)}
.learning-shell .v2-directory-section.is-collapsed .directory-section-body,.reader-directory-sheet .v2-directory-section.is-collapsed .directory-section-body{display:block!important;max-height:0;opacity:0;padding-top:0!important;padding-bottom:0!important;pointer-events:none}
.reader-utility-trigger,.directory-section-toggle,.v2-chapter{-webkit-tap-highlight-color:transparent}
.reader-utility-trigger:active,.directory-section-toggle:active{transform:none}

/* v227：关闭时必须先看见抽屉完整滑回左侧，动画结束后才从渲染树隐藏。 */
.reader-directory-drawer{transition:visibility 0s linear .38s}
.reader-directory-drawer.is-open{transition-delay:0s}

/* v230：不能在抽屉抵达边缘后再切 visibility；那一帧会导致整页重新合成而闪白。 */
.reader-directory-drawer{visibility:visible;transition:none}
.reader-directory-drawer:not(.is-open){pointer-events:none}

/* v228：本节目录为独立右侧抽屉；点击遮罩即走同样的收回动画。 */
.reader-page-drawer .reader-directory-sheet{margin-left:auto;width:min(360px,48vw);box-shadow:-20px 0 44px rgba(12,26,20,.22);transform:translate3d(104%,0,0)}
.reader-page-drawer.is-open .reader-directory-sheet{transform:translate3d(0,0,0)}
/* v229：目录不应吃掉正文；关闭期间保持锁页到动画结束，避免页面抖动。 */
.reader-directory-drawer:not(.reader-page-drawer) .reader-directory-sheet{width:min(460px,66vw)}
@media(max-width:720px){.reader-directory-drawer:not(.reader-page-drawer) .reader-directory-sheet{width:min(72vw,420px)}.reader-page-drawer .reader-directory-sheet{width:min(72vw,380px)}}

/* v230：专栏目录与本节目录同为书面目录；关闭以真实 transitionend 为准，避免状态抢跑。 */
.reader-course-toc-list{display:grid;margin:0}
.reader-course-toc-link{display:grid;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:11px;min-height:48px;padding:9px 0;border-bottom:1px dashed rgba(129,151,143,.38);color:var(--ink);text-decoration:none;transition:color .18s ease,background-color .18s ease}
.reader-course-toc-link:last-child{border-bottom:0}
.reader-course-toc-number{color:var(--muted);font-size:11px;font-weight:800;font-variant-numeric:tabular-nums}
.reader-course-toc-title{overflow:hidden;font-size:14px;line-height:1.5;white-space:nowrap;text-overflow:ellipsis}
.reader-course-toc-link:hover,.reader-course-toc-link.is-current{color:var(--brand)}
.reader-course-toc-link.is-current{box-shadow:inset 3px 0 0 var(--brand);padding-left:10px;background:rgba(223,240,234,.48)}
.reader-course-toc-link.is-locked{color:var(--muted);opacity:.72}
.reader-directory-sheet{transition-duration:.32s;transition-timing-function:cubic-bezier(.22,1,.36,1)}
.reader-directory-backdrop{transition-duration:.32s}

/* v231：抽屉已有全屏遮罩拦截背景操作，不能再切 body overflow；移动浏览器会因此把阅读栏向下拉一帧。 */
body.reader-directory-open{overflow:visible;touch-action:auto}

/* v232：左侧专栏抽屉也必须直接锚定视口，不参与任何纵向布局计算。 */
#readerCourseDrawer .reader-directory-sheet{position:absolute;inset:0 auto 0 0;transform:translate3d(-104%,0,0);transform-origin:left center}
#readerCourseDrawer.is-open .reader-directory-sheet{transform:translate3d(0,0,0)}
/* 左按钮仅负责开关，不再额外改变自身视觉层，避免打开瞬间给人“被拉动”的错觉。 */
.reader-utility-course.is-open .reader-utility-trigger{color:var(--ink-2)}
.reader-utility-course.is-open .reader-menu-icon{background:linear-gradient(var(--ink-2),var(--ink-2)) 0 0/16px 1.5px no-repeat,linear-gradient(var(--ink-2),var(--ink-2)) 0 5px/11px 1.5px no-repeat,linear-gradient(var(--ink-2),var(--ink-2)) 0 10px/16px 1.5px no-repeat}

/* v233：抽屉开着时，阅读栏不执行滚动导致的 top 动画。 */
body.reader-directory-open .learning-top{transition:none!important}

/* v234：章节回填不得打断抽屉动画；时长和缓动对齐参考阅读器。 */
.reader-directory-drawer:not(.is-open) .reader-directory-sheet{transition:transform .26s ease}
.reader-directory-drawer.is-open .reader-directory-sheet{transition:transform .45s cubic-bezier(.19,1,.22,1)}
.reader-directory-drawer:not(.is-open) .reader-directory-backdrop{transition:opacity .26s ease}
.reader-directory-drawer.is-open .reader-directory-backdrop{transition:opacity .45s ease}

/* v238：顶栏移出 #app。#app 的进场动画结束仍保留 identity transform，会把
   子元素 fixed 的定位基准劫持为 #app，导致正文替换时顶栏纵向漂移。 */
.learning-shell{padding-top:54px!important}
body.route-learning .learning-top{position:fixed;left:0;right:0;top:72px}
@media(max-width:720px){
  .learning-shell{padding-top:52px!important}
  body.route-learning .learning-top{top:60px}
}

/* v246：阅读目录栏回到 header 后的正常流；sticky 替代猜测性 fixed padding。 */
body.route-learning{padding:0!important;overscroll-behavior-y:contain}
body.route-learning .site-header{position:sticky!important;top:0!important;left:0!important;right:0!important;z-index:110!important;transform:translate3d(0,0,0)}
body.route-learning .learning-top{position:sticky!important;top:72px!important;z-index:90!important;transition:top .18s ease!important}
body.route-learning.learning-article .learning-shell{padding-top:0!important}
body.route-learning.learning-article.learning-header-hidden .site-header{transform:translateY(-100%)!important;pointer-events:none!important}
html body.route-learning.learning-article.learning-header-hidden .site-header{transform:translateY(-100%)!important;pointer-events:none!important}
body.route-learning.learning-article.learning-header-hidden .learning-top{top:0!important}
/* 桌面端没有移动端顶部工具栏，Logo 栏就是唯一的常驻导航。 */
@media(min-width:901px){
  html body.route-learning.learning-article.learning-header-hidden .site-header{transform:translate3d(0,0,0)!important;pointer-events:auto!important}
}
@media(max-width:760px){
  body.route-learning .learning-top{top:56px!important}
  body.route-learning .site-header{transition:transform .18s ease!important}
}
@media(max-width:720px){
  body.route-learning .learning-top{top:60px!important}
}

/* v255：图文阅读下滑时只收起站点 Logo 栏，目录工具栏必须始终可见。
   之前只改变了 learning-top 的 top，没有锁定其内容可见性，导致出现
   “顶部留白还在，但专栏目录/本节目录消失”的空白栏。 */
@media(max-width:760px){
  body.route-learning.learning-article .learning-top{
    display:block!important;
    visibility:visible!important;
    opacity:1!important;
    transform:none!important;
    overflow:visible!important;
  }
  body.route-learning.learning-article .learning-reader-utility{
    display:flex!important;
    visibility:visible!important;
    opacity:1!important;
  }
  body.route-learning.learning-article:not(.learning-header-hidden) .learning-top{top:56px!important}
  body.route-learning.learning-article.learning-header-hidden .learning-top{top:0!important}
}

/* v256：阅读工具栏必须脱离 body 的弹性布局，使用真正的 viewport fixed。
   sticky 在手机端会跟随 body 的滚动上下文失效，导致 Logo 栏和两个目录按钮一起滚走。 */
@media(max-width:760px){
  body.route-learning.learning-article .site-header{
    position:fixed!important;
    top:0!important;
    left:0!important;
    right:0!important;
    z-index:110!important;
  }
  html body.route-learning.learning-article.learning-header-hidden .site-header{
    transform:translateY(-100%)!important;
    pointer-events:none!important;
    display:none!important;
  }
  body.route-learning.learning-article .learning-top{
    position:fixed!important;
    left:0!important;
    right:0!important;
    top:56px!important;
    z-index:120!important;
    min-height:44px!important;
    transition:top .18s ease!important;
  }
  body.route-learning.learning-article .learning-shell{padding-top:100px!important}
  body.route-learning.learning-article.learning-header-hidden .learning-top{top:0!important}
  body.route-learning.learning-article.learning-header-hidden .learning-shell{padding-top:44px!important}
}

/* v257：目录抽屉按“篇—章”书本目录排版，章节之间不再铺满分割线。 */
.reader-directory-sheet .v2-directory-section{
  border-bottom:0!important;
  margin:0 0 18px!important;
}
.reader-directory-sheet .v2-directory-section:last-child{margin-bottom:0!important}
.reader-directory-sheet .directory-section-toggle{
  min-height:58px!important;
  padding:15px 0 12px!important;
  border-top:1px solid rgba(129,151,143,.32)!important;
  border-bottom:0!important;
  background:transparent!important;
}
.reader-directory-sheet .directory-section-toggle>span{color:var(--brand);font-size:12px;font-weight:850}
.reader-directory-sheet .directory-section-toggle h3{font-size:17px!important;font-weight:800!important;letter-spacing:-.01em}
.reader-directory-sheet .directory-section-body{padding:2px 0 0 10px!important}
.reader-directory-sheet .v2-chapter{
  grid-template-columns:30px minmax(0,1fr)!important;
  min-height:42px!important;
  padding:8px 0!important;
  border:0!important;
  background:transparent!important;
  text-decoration:none!important;
}
.reader-directory-sheet .v2-chapter-no{
  width:24px!important;height:24px!important;
  border-radius:0!important;
  background:transparent!important;
  color:var(--muted)!important;
  font-size:11px!important;
}
.reader-directory-sheet .v2-chapter-main b{
  color:var(--ink-2)!important;
  font-size:15px!important;
  line-height:1.55!important;
  white-space:normal!important;
  text-decoration:none!important;
}
.reader-directory-sheet .v2-chapter:hover,
.reader-directory-sheet .v2-chapter:active{background:transparent!important}
.reader-directory-sheet .learning-directory-chapter--playing{
  padding-left:10px!important;
  border-left:3px solid var(--brand)!important;
}
.reader-directory-sheet .learning-directory-chapter--playing .v2-chapter-main b,
.reader-directory-sheet .learning-directory-chapter--playing .v2-chapter-no{
  color:var(--brand)!important;
}

/* v257：Logo 菜单是完整的移动菜单层，不被底部 Tab 切成上下两段。 */
@media(max-width:900px){
  body.mobile-menu-open #bottomTab{visibility:hidden!important;pointer-events:none!important}
  #mobileMenu{
    z-index:240!important;
    top:56px!important;
    bottom:0!important;
    min-height:calc(100dvh - 56px)!important;
    padding-bottom:40px!important;
  }
  #mobileMenu.open{z-index:240!important}
}

/* v257：全站点击反馈只改变文字/图标颜色，不制造方形 tap 遮罩。 */
a,button,[role="button"]{-webkit-tap-highlight-color:transparent!important}
a:active,button:active,[role="button"]:active{
  box-shadow:none;
}
.mobile-menu a:active,
.reader-utility-trigger:active,
.directory-section-toggle:active,
.v2-chapter:active,
.bottom-tab a:active{
  color:var(--brand)!important;
  background:transparent!important;
  border-color:transparent!important;
  transform:none!important;
}

/* v259：Logo 栏与阅读工具栏明确分层；目录内容内部保持干净的书本排版。 */
body.route-learning.learning-article .learning-top{
  border-top:1px solid var(--line)!important;
}
.reader-directory-sheet .directory-section-toggle{border-top:0!important}
.reader-directory-sheet .reader-directory-sheet-meta{border-bottom:0!important}
.reader-directory-sheet .reader-course-toc-link,
.reader-directory-sheet .reader-page-toc-list .article-toc-link{
  border-bottom:0!important;
  text-decoration:none!important;
}
.reader-directory-sheet .reader-page-toc-list{border-top:0!important}

/* v251：回滚底栏静态化；只在移动端给文章底部按钮让出空间，避免被固定底栏遮挡。 */
@media (max-width:760px){
  .bottom-tab{
    position:fixed!important;
    inset-inline:0!important;
    bottom:0!important;
    z-index:200!important;
    height:calc(62px + env(safe-area-inset-bottom, 0px))!important;
    padding-bottom:env(safe-area-inset-bottom, 0px)!important;
    box-sizing:border-box!important;
  }
  #app{padding-bottom:calc(62px + env(safe-area-inset-bottom, 0px))!important}
  .site-footer{padding-bottom:calc(74px + env(safe-area-inset-bottom, 0px))!important}
  .article-bottom-nav{
    margin-bottom:calc(84px + env(safe-area-inset-bottom, 0px))!important;
  }
  /* v254：普通页面与首页统一使用手机根页面滚动，让 iOS/微信的浏览器
     控制栏按真实上滑/下滑自动收起和恢复；学习页继续使用自己的沉浸式滚动规则。 */
  html{overflow-x:hidden!important;}
  body.mobile-mode:not(.route-learning){
    overflow-x:hidden!important;
    overflow-y:auto!important;
    overscroll-behavior-y:auto!important;
    touch-action:pan-y!important;
  }
  body.mobile-mode:not(.route-learning) #app{overflow:visible!important;}
}

/* v260：电脑微信也可能命中移动端断点；学习页使用文档根滚动。 */
html{overflow-x:hidden!important;}
body.route-learning{
  min-height:100vh!important;
  overflow:visible!important;
  overscroll-behavior-y:auto!important;
  touch-action:auto!important;
}
body.route-learning #app,
body.route-learning .learning-shell,
body.route-learning .learning-main-stack{overflow:visible!important;}
.course-center-page{background:var(--bg);padding-bottom:72px}.course-center-hero{padding:18px 0 14px;background:var(--bg)}.course-center-hero .container{padding:24px 30px;border:1px solid rgba(175,195,185,.72);border-radius:22px;background:linear-gradient(135deg,#eaf4ef,#fffaf0);box-shadow:var(--shadow-sm)}.course-center-hero h1{margin:6px 0;font-size:clamp(32px,4vw,52px);line-height:1.12}.course-center-hero p{margin:0;color:var(--ink-2);font-size:14px}.course-center-main{padding-bottom:60px}.course-center-tabs{display:flex;gap:9px;overflow-x:auto;padding:2px 0 12px;scrollbar-width:none}.course-center-tabs::-webkit-scrollbar{display:none}.course-center-tab{flex:0 0 auto;padding:9px 17px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);font:inherit;cursor:pointer}.course-center-tab.active{border-color:var(--brand);background:var(--brand);color:#fff}.course-center-section{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--paper)}.course-center-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.course-center-section-head h2{margin:0;font-size:22px}.course-center-section-head span,.course-center-section-head a{color:var(--brand);font-size:13px;text-decoration:none}.course-center-shelf{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin-right:-18px;padding-right:18px}.course-center-shelf::-webkit-scrollbar{display:none}.course-center-shelf>.course-card{flex:0 0 248px;scroll-snap-align:start;border-radius:15px;box-shadow:none}.course-center-shelf>.course-card .course-cover{height:auto!important;aspect-ratio:16/9}.course-center-shelf>.course-card .course-body{min-height:112px;padding:12px}.course-center-shelf>.course-card .course-card-labels,.course-center-shelf>.course-card .desc,.course-center-shelf>.course-card .tags{display:none}.course-center-shelf>.course-card .course-body h3{font-size:15px;line-height:1.35}.course-center-shelf>.course-card .course-meta{margin-top:9px;padding-top:0;font-size:11px}.course-center-shelf>.course-card .course-foot{margin-top:7px;padding-top:7px}.course-center-shelf>.course-card .course-foot .muted{display:none}.course-center-shelf>.course-card .course-foot .price{font-size:14px}.course-center-feature-camp>.course-card{width:100%;max-width:none;border-radius:15px}.course-center-feature-camp>.course-card .course-cover{height:auto!important;aspect-ratio:16/9}.course-center-feature-camp>.course-card .course-body{min-height:112px;padding:12px}.course-center-feature-camp>.course-card .desc{display:none}.course-center-single .course-center-shelf{display:grid;grid-template-columns:1fr;overflow:visible}.course-center-single .course-center-shelf>.course-card{display:grid;grid-template-columns:150px minmax(0,1fr);width:100%;min-width:0;flex-basis:auto}.course-center-single .course-center-shelf>.course-card .course-cover{height:auto!important;aspect-ratio:16/9}.course-center-single .course-center-shelf>.course-card .course-body{min-height:0}.course-center-schedule{display:grid;grid-template-columns:repeat(7,minmax(86px,1fr));overflow:auto;border:1px solid var(--line);border-radius:12px}.course-center-schedule span{padding:12px 8px;border-right:1px solid var(--line);text-align:center;color:var(--muted);font-size:11px}.course-center-schedule span:last-child{border-right:0}.course-center-training .train-camp-card .course-cover{height:auto!important;aspect-ratio:16/9}@media(max-width:720px){.course-center-hero{padding:10px 0 8px}.course-center-hero .container{padding:17px 18px;border-radius:17px}.course-center-hero h1{font-size:30px}.course-center-hero p{font-size:12px}.course-center-main>.container{width:calc(100% - 36px)}.course-center-tabs{padding-bottom:9px}.course-center-tab{padding:8px 14px;font-size:13px}.course-center-section{margin-top:13px;padding:12px;border-radius:16px}.course-center-section-head h2{font-size:18px}.course-center-section-head span,.course-center-section-head a{font-size:11px}.course-center-shelf{gap:9px;margin-right:-12px;padding-right:12px}.course-center-shelf>.course-card{flex-basis:calc((100vw - 72px)/2.15)}.course-center-shelf>.course-card .course-body{min-height:88px;padding:8px}.course-center-shelf>.course-card .course-body h3{font-size:12px}.course-center-shelf>.course-card .course-meta{font-size:9px}.course-center-feature-camp>.course-card{flex-basis:100%}.course-center-single .course-center-shelf>.course-card{grid-template-columns:112px minmax(0,1fr)}.course-center-single .course-center-shelf>.course-card .course-body{padding:8px 10px}.course-center-single .course-center-shelf>.course-card .course-body h3{font-size:13px}}
/* v262：正式课程中心严格复刻预览：Hero 双栏、系列卡片紧凑横向、推荐训练营长条。 */
.course-center-hero .container{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.8fr);gap:16px;align-items:center}
.course-center-hero-art{min-height:110px;border-radius:17px;background:linear-gradient(135deg,#fff,#dff2e9);position:relative}
.course-center-hero-art span{position:absolute;top:50%;right:22px;display:grid;place-items:center;width:58px;height:58px;transform:translateY(-50%);border-radius:18px;background:#0e9d7e;color:#fff;font-size:23px}
.course-center-shelf>.course-card{display:block!important;width:clamp(165px,23vw,210px)!important;min-width:0!important;flex:0 0 clamp(165px,23vw,210px)!important;grid-template-columns:none!important}
.course-center-shelf>.course-card .course-cover{width:100%!important}
.course-center-feature-camp{position:relative;min-height:150px;overflow:hidden;border-radius:14px;background:#123e35}
.course-center-feature-camp img{display:block;width:100%;height:150px;object-fit:cover}
.course-center-feature-camp:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,48,41,.86),rgba(8,48,41,.08) 72%);pointer-events:none}
.course-center-feature-copy{position:absolute;z-index:1;left:18px;top:50%;max-width:58%;transform:translateY(-50%);color:#fff}
.course-center-feature-copy span{color:#54d6bf;font-size:12px;font-weight:800}
.course-center-feature-copy h3{margin:5px 0;font-size:21px}
.course-center-feature-copy p{margin:0;color:#d5eee4;font-size:12px}
.course-center-filters{display:flex;gap:8px;overflow-x:auto;padding:0 0 3px;scrollbar-width:none}
.course-center-filters::-webkit-scrollbar{display:none}
.course-center-filter{flex:0 0 auto;padding:7px 13px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);font:inherit;font-size:13px;cursor:pointer}
.course-center-filter.active{border-color:var(--brand);background:var(--brand);color:#fff}
@media(max-width:720px){.course-center-hero .container{grid-template-columns:1fr;gap:7px}.course-center-hero-art{min-height:48px}.course-center-hero-art span{width:40px;height:40px;right:15px;border-radius:14px;font-size:18px}.course-center-shelf>.course-card{flex-basis:calc((100vw - 68px)/2.55)!important;width:calc((100vw - 68px)/2.55)!important}.course-center-feature-camp{min-height:108px}.course-center-feature-camp img{height:108px}.course-center-feature-copy{left:13px;max-width:68%}.course-center-feature-copy h3{font-size:16px}.course-center-feature-copy p,.course-center-feature-copy span{font-size:10px}.course-center-filter{padding:6px 12px;font-size:12px}}

/* v264：正式页布局以预览为准；去掉窄版居中容器，页面不允许被课程横向货架撑出屏幕。 */
.course-center-page{width:100%!important;max-width:none!important;overflow-x:hidden!important}
.course-center-page .container{width:100%!important;max-width:none!important;margin-inline:0!important}
.course-center-page .course-center-main>.container{padding-inline:16px!important}
.course-center-page .course-center-shelf{width:100%!important;max-width:100%!important;margin-right:0!important;padding-right:0!important;overscroll-behavior-x:contain!important}
.course-center-page .course-center-shelf>.course-card{flex-shrink:0!important}
.course-center-page .course-center-hero .container{padding-inline:20px!important}
@media(max-width:720px){
  .course-center-page .course-center-main>.container{padding-inline:10px!important}
  .course-center-page .course-center-hero .container{padding-inline:14px!important}
  .course-center-page .course-center-shelf{gap:10px!important}
}

/* v263：以 course-center-preview.html 为准锁定正式页视觉，防止旧卡片规则把预览结构撑大。 */
.course-center-page .course-center-hero .container{display:grid!important;grid-template-columns:minmax(0,1fr) minmax(260px,.8fr)!important;gap:16px!important;align-items:center!important}
.course-center-page .course-center-hero-art{display:block!important;min-height:110px!important;border-radius:17px!important;background:linear-gradient(135deg,#fff,#dff2e9)!important;position:relative!important}
.course-center-page .course-center-hero-art span{position:absolute!important;top:50%!important;right:22px!important;display:grid!important;place-items:center!important;width:58px!important;height:58px!important;transform:translateY(-50%)!important;border-radius:18px!important;background:#0e9d7e!important;color:#fff!important;font-size:23px!important}
.course-center-page .course-center-shelf{display:flex!important;gap:10px!important;overflow-x:auto!important;scroll-snap-type:x mandatory!important}
.course-center-page .course-center-shelf>.course-card{display:block!important;box-sizing:border-box!important;width:clamp(165px,23vw,210px)!important;min-width:clamp(165px,23vw,210px)!important;max-width:clamp(165px,23vw,210px)!important;flex:0 0 clamp(165px,23vw,210px)!important;grid-template-columns:none!important;transform:none!important}
.course-center-page .course-center-shelf>.course-card .course-cover{display:block!important;width:100%!important;height:auto!important;aspect-ratio:16/9!important}
.course-center-page .course-center-shelf>.course-card .course-body{display:block!important;min-height:0!important;height:auto!important;padding:8px 10px!important}
.course-center-page .course-center-shelf>.course-card .course-body h3{font-size:13px!important;line-height:1.35!important;margin:0!important}
.course-center-page .course-center-shelf>.course-card .desc,.course-center-page .course-center-shelf>.course-card .tags,.course-center-page .course-center-shelf>.course-card .course-card-labels{display:none!important}
.course-center-page .course-center-shelf>.course-card .course-meta{display:flex!important;margin-top:5px!important;padding-top:0!important;font-size:10px!important}
.course-center-page .course-center-shelf>.course-card .course-foot{display:flex!important;margin-top:7px!important;padding-top:7px!important}
.course-center-page .course-center-training .course-center-shelf>.course-card{width:clamp(165px,23vw,210px)!important;min-width:clamp(165px,23vw,210px)!important;max-width:clamp(165px,23vw,210px)!important;flex-basis:clamp(165px,23vw,210px)!important}
.course-center-page .course-center-feature-camp{display:block!important;position:relative!important;min-height:150px!important;overflow:hidden!important;border-radius:14px!important;background:#123e35!important}
.course-center-page .course-center-feature-camp img{display:block!important;width:100%!important;height:150px!important;object-fit:cover!important}
@media(max-width:720px){
  .course-center-page .course-center-hero .container{grid-template-columns:1fr!important;gap:7px!important}
  .course-center-page .course-center-hero-art{min-height:48px!important}
  .course-center-page .course-center-hero-art span{width:40px!important;height:40px!important;right:15px!important;border-radius:14px!important;font-size:18px!important}
  .course-center-page .course-center-shelf>.course-card{width:calc((100vw - 68px)/2.55)!important;min-width:calc((100vw - 68px)/2.55)!important;max-width:calc((100vw - 68px)/2.55)!important;flex-basis:calc((100vw - 68px)/2.55)!important}
  .course-center-page .course-center-shelf>.course-card .course-body{padding:8px!important}
  .course-center-page .course-center-shelf>.course-card .course-body h3{font-size:12px!important}
  .course-center-page .course-center-feature-camp{min-height:108px!important}
  .course-center-page .course-center-feature-camp img{height:108px!important}
}

/* v269：Hero 与推荐内容共用同一条外边界轨道；v437 对齐全站 1132px 内容轨。 */
.course-center-page .course-center-hero>.container,
.course-center-page .course-center-main>.container{
  box-sizing:border-box!important;
  width:min(calc(100% - 48px),1132px)!important;
  max-width:1132px!important;
  margin-inline:auto!important;
}
.course-center-page .course-center-main>.container{padding-inline:0!important}
.course-center-page .course-center-hero>.container{padding:24px 30px!important}
@media(max-width:720px){
  .course-center-page .course-center-hero>.container,
  .course-center-page .course-center-main>.container{
    width:calc(100% - 20px)!important;
  }
  .course-center-page .course-center-hero>.container{padding:12px 14px!important}
}

/* v270：手机页尾跟随真实内容，悬浮按钮避开底栏与 iPhone 安全区。 */
@media(max-width:760px){
  body:not(.route-learning) #app{
    min-height:0!important;
    padding-bottom:0!important;
  }
  .account-empty{
    min-height:0!important;
    padding:72px 18px 84px!important;
  }
  .course-center-page{padding-bottom:0!important}
  .course-center-main{padding-bottom:30px!important}
  .back-top{
    bottom:calc(76px + env(safe-area-inset-bottom,0px))!important;
    z-index:220!important;
  }
  #serviceContactBtn{
    bottom:calc(128px + env(safe-area-inset-bottom,0px))!important;
    z-index:220!important;
  }
}

/* v594：网页端“查看全部”是真正的完整列表，不再把第三张以后藏在横向轨道。 */
@media(min-width:721px){
  .course-center-page:not(.course-center-mode-recommend) .course-center-video-row,
  .course-center-page:not(.course-center-mode-recommend) .course-center-column-row{
    display:grid!important;
    grid-template-columns:repeat(3,minmax(0,1fr))!important;
    grid-auto-flow:row!important;
    grid-auto-columns:auto!important;
    gap:30px 24px!important;
    overflow:visible!important;
    cursor:default;
    scroll-snap-type:none!important;
    touch-action:auto;
  }
  .course-center-page:not(.course-center-mode-recommend) .course-center-video-row>.course-center-video-card,
  .course-center-page:not(.course-center-mode-recommend) .course-center-column-row>.course-center-column-card{
    width:100%!important;
    min-width:0!important;
    max-width:none!important;
  }
}
@media(min-width:721px) and (max-width:900px){
  .course-center-page:not(.course-center-mode-recommend) .course-center-video-row,
  .course-center-page:not(.course-center-mode-recommend) .course-center-column-row{
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
  }
}

/* v271：课程中心使用独立内容组件，不再让旧通用课程卡裁掉标题与元信息。 */
.course-center-section-head h2{display:flex;align-items:center;gap:8px}
.course-center-section-icon{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#0b8d72;color:#fff}
.course-center-section-head a,.course-center-section-head button{display:flex;align-items:center;gap:4px;padding:0;border:0;background:none;color:var(--brand);font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.course-center-section-head a b,.course-center-section-head button b{font-size:20px;line-height:1}
.course-center-video-row,.course-center-column-row{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain}
.course-center-video-row::-webkit-scrollbar,.course-center-column-row::-webkit-scrollbar{display:none}
.course-center-video-card,.course-center-column-card{display:block;flex:0 0 clamp(220px,25vw,290px);min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);text-decoration:none;scroll-snap-align:start}
.course-center-card-cover{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#dff4ec,#f7fbf9)}
.course-center-card-cover>img{display:block;width:100%;height:100%;object-fit:cover}
.course-center-cover-fallback{display:grid;place-items:center;width:100%;height:100%;color:var(--brand);font-size:42px;font-weight:900}
.course-center-card-badge{position:absolute;left:8px;top:8px;padding:3px 7px;border-radius:999px;background:#15a987;color:#fff;font-size:9px;font-weight:800}
.course-center-column-card .course-center-card-badge{background:#d8f4e8;color:#08705d}
.course-center-card-play{position:absolute;right:10px;bottom:10px;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.94);color:#078570;box-shadow:0 4px 14px rgba(4,77,64,.16)}
.course-center-card-body{padding:10px 11px 11px}
.course-center-card-body h3{margin:0;color:var(--ink);font-size:14px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-center-card-desc{display:-webkit-box;margin:7px 0 0;color:var(--muted);font-size:13px;line-height:1.45;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-center-card-meta{display:flex;align-items:center;gap:7px;min-width:0;margin-top:8px;color:var(--muted);font-size:10px;white-space:nowrap}
.course-center-card-meta span{display:flex;align-items:center;gap:3px;min-width:0;overflow:hidden;text-overflow:ellipsis}
.course-center-price{display:flex;align-items:center;gap:5px;margin-left:auto;white-space:nowrap}
.course-center-price strong{font-size:17px;font-weight:900;line-height:1;color:var(--price,#e8552e)}
.course-center-price small{padding:2px 5px;border-radius:999px;background:#fff2d8;color:#c87508;font-size:9px;font-weight:800;line-height:1.2}
.course-center-price .free{color:#089473}
.course-center-price .paid{color:var(--price,#e8552e)}
.course-center-price.is-member strong{padding:3px 7px;border-radius:999px;background:#fff2d8;color:#c87508;font-size:11px}
.course-center-camp-list{display:grid;gap:10px}
.course-center-camp-card{position:relative;display:block;min-height:140px;overflow:hidden;border-radius:14px;background:linear-gradient(115deg,#063c33,#087d69);color:#fff;text-decoration:none}
.course-center-camp-card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.course-center-camp-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,43,36,.96),rgba(3,43,36,.52) 58%,rgba(3,43,36,.12))}
.course-center-camp-copy{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;max-width:68%;padding:21px 22px}
.course-center-camp-copy>small{color:#55d7b9;font-weight:800}
.course-center-camp-copy>b{margin-top:4px;font-size:20px;line-height:1.3}
.course-center-camp-copy>em{margin-top:5px;color:#d1ebe4;font-size:11px;font-style:normal}
.course-center-camp-meta{display:flex;align-items:center;gap:4px;margin-top:12px;color:#c9e5dd;font-size:10px}
.course-center-camp-cta{position:absolute;z-index:2;right:18px;top:50%;transform:translateY(-50%);padding:9px 14px;border-radius:999px;background:#12a581;color:#fff;font-size:12px}
.course-center-camp-cta .course-center-price{flex-direction:column;gap:0;margin:0;color:#fff}
.course-center-camp-cta .course-center-price strong,.course-center-camp-cta .course-center-price small{color:#fff}
.course-center-single-list{border-top:1px solid var(--line)}
.course-center-single-row{display:grid;grid-template-columns:36px minmax(0,1fr) auto auto;align-items:center;gap:10px;min-height:58px;padding:8px 2px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.course-center-single-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#e0f1eb;color:#08735f;font-size:11px;font-weight:900}
.course-center-single-icon svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.course-center-single-copy{min-width:0}
.course-center-single-copy b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.course-center-single-copy small{display:block;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:10px}
.course-center-single-kind{color:var(--muted);font-size:10px}
@media(max-width:720px){
  .course-center-hero .container{grid-template-columns:minmax(0,1.05fr) minmax(118px,.95fr)!important;gap:8px!important}
  .course-center-hero-art{min-height:118px!important}
  .course-center-hero-art span{right:50%!important;transform:translate(50%,-50%)!important}
  .course-center-section{padding:10px!important;border-radius:14px!important}
  .course-center-section-head{margin-bottom:9px!important}
  .course-center-section-head h2{gap:6px;font-size:16px!important}
  .course-center-section-icon{width:21px;height:21px;border-radius:7px}
  .course-center-video-row,.course-center-column-row{gap:8px;margin-right:-10px;padding-right:10px}
  .course-center-video-card,.course-center-column-card{flex:0 0 calc((100% - 8px)/2.12);border-radius:11px}
  .course-center-card-badge{left:6px;top:6px;padding:2px 6px;font-size:8px}
  .course-center-card-play{right:7px;bottom:7px;width:28px;height:28px}
  .course-center-card-body{padding:7px 8px 8px}
  .course-center-card-body h3{font-size:11px}
  .course-center-card-desc{margin-top:4px;font-size:11px;line-height:1.4}
  .course-center-card-meta{gap:5px;margin-top:6px;font-size:8px}
  .course-center-price{gap:3px}
  .course-center-price strong{font-size:14px}
  .course-center-price small{padding:2px 4px;font-size:7px}
  .course-center-price.is-member strong{padding:3px 5px;font-size:9px}
  .course-center-column-card .course-center-card-body h3{font-size:11px}
  .course-center-camp-card{min-height:112px;border-radius:11px}
  .course-center-camp-copy{max-width:72%;padding:14px 13px}
  .course-center-camp-copy>b{font-size:15px}
  .course-center-camp-copy>em{font-size:9px}
  .course-center-camp-meta{margin-top:8px;font-size:8px}
  .course-center-camp-cta{right:10px;padding:7px 10px;font-size:9px}
  .course-center-single-row{grid-template-columns:31px minmax(0,1fr) auto auto;gap:7px;min-height:48px;padding:6px 0}
  .course-center-single-icon{width:30px;height:30px;border-radius:8px;font-size:9px}
  .course-center-single-icon svg{width:15px;height:15px}
  .course-center-single-copy b{font-size:11px}
  .course-center-single-copy small,.course-center-single-kind,.course-center-single-row>strong{font-size:8px}
}

/* v368：单节视频与单篇文章列表标题放大到与首页最新内容同一轨道。 */
.course-center-single-copy b{font-size:18px!important;font-weight:700!important;line-height:25px!important}
.course-center-single-copy small{margin-top:4px!important;font-size:11px!important;line-height:15px!important}
.course-center-single-kind{font-size:11px!important}

@media(max-width:720px){
  .course-center-single-row{min-height:54px!important;padding:7px 0!important}
  .course-center-single-copy b{font-size:15px!important;line-height:21px!important}
  .course-center-single-copy small{margin-top:3px!important;font-size:10px!important;line-height:14px!important}
  .course-center-single-kind{font-size:10px!important}
}

/* v570：Canvas 按完整标题生成真正的 1:1 封面；列表严格三列避免横向溢出。 */
.course-center-single-row{
  grid-template-columns:42px minmax(0,1fr) max-content!important;
  gap:10px!important;
  min-width:0;
  min-height:60px!important;
  overflow:hidden;
  padding:7px 2px!important;
}
.course-center-single-icon.course-center-single-thumb{
  display:grid!important;
  place-items:center!important;
  width:40px!important;
  height:40px!important;
  overflow:hidden;
  border-radius:10px!important;
  box-shadow:0 3px 9px rgba(12,69,57,.1);
}
.course-center-single-thumb>img{display:block;width:100%;height:100%;object-fit:cover}
.course-center-single-copy{overflow:hidden}
.course-center-single-row>.course-center-price{max-width:76px;overflow:hidden}

@media(max-width:720px){
  .course-center-single-row{grid-template-columns:38px minmax(0,1fr) max-content!important;gap:8px!important;min-height:56px!important;padding:6px 0!important}
  .course-center-single-icon.course-center-single-thumb{width:36px!important;height:36px!important;border-radius:9px!important}
  .course-center-single-row>.course-center-price{max-width:58px}
}

/* v272：视频课程与图文专栏统一卡片宽度、封面比例和标题字号。 */
/* v273：课程卡同时显示售价与会员权益；“查看全部”切换到对应真实分类。 */
/* v274：价格文案按当前账号权益区分付费会员、普通用户与免费课程。 */
/* v275：价格加大并与短标签“会员免费”并排；已开通会员只显示权益标签。 */
/* v276：售价使用品牌深绿色并提升到桌面 17px、手机 14px，会员标签保持暖橙色。 */
/* v277：已登录会员与普通用户的“会员免费”统一使用暖橙色标签。 */

/* v278：全站 Toast 固定显示在视口正中，始终高于底部导航、客服按钮和弹窗内容。 */
#toast.toast{
  position:fixed!important;
  z-index:2000!important;
  top:50%!important;
  right:auto!important;
  bottom:auto!important;
  left:50%!important;
  width:max-content;
  max-width:min(calc(100vw - 40px),420px);
  padding:12px 20px!important;
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px!important;
  background:rgba(10,35,29,.94)!important;
  box-shadow:0 14px 38px rgba(5,25,20,.24);
  color:#fff!important;
  text-align:center;
  line-height:1.45;
  white-space:normal;
  opacity:0;
  pointer-events:none;
  transform:translate(-50%,calc(-50% + 14px))!important;
  transition:opacity .2s ease,transform .2s ease!important;
}
#toast.toast.show{opacity:1!important;transform:translate(-50%,-50%)!important}

/* v279：非学习页统一使用同一条内容轨道；手机左右各 10px，桌面左右至少 24px。 */
body:not(.route-learning) .container,
body:not(.route-learning) .detail-layout-grid{
  box-sizing:border-box!important;
  width:min(calc(100% - 48px),1132px)!important;
  max-width:none!important;
  margin-inline:auto!important;
  padding-inline:0!important;
}

/* v280：课程中心不再叠加“热门推荐”“精选专栏”封面浮标。 */
/* v281：会员页恢复全站公共“联系我”按钮，不再单页隐藏。 */

/* 学习页手机端已有固定底栏，悬浮客服会压住课程目录与锁定提示。 */
@media (max-width: 760px) {
  body.route-learning #serviceContactBtn { display: none !important; }
}

/* v388：我的收藏使用独立两层网格，避免被“我的课程”三列规则挤乱。 */
body[data-route="my"] .pc-favorites-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:18px;border-bottom:1px solid rgba(18,35,29,.09)
}
body[data-route="my"] .pc-favorites-head h2{margin:6px 0 4px;font-size:24px;line-height:1.25}
body[data-route="my"] .pc-favorites-head p{margin:0;color:var(--muted);font-size:13px}
body[data-route="my"] .pc-favorites-count{flex:0 0 auto;padding:7px 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:750}
body[data-route="my"] .pc-favorite-courses{display:flex;flex-direction:column}
body[data-route="my"] .pc-favorite-course{
  display:grid!important;grid-template-columns:minmax(0,1fr) auto!important;align-items:center!important;gap:18px!important;
  padding:16px 0!important;border:0!important;border-bottom:1px solid rgba(18,35,29,.07)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important
}
body[data-route="my"] .pc-favorite-course .pc-course-link{display:grid;grid-template-columns:112px minmax(0,1fr);align-items:center;gap:16px;min-width:0}
body[data-route="my"] .pc-favorite-course .course-cover,
body[data-route="my"] .pc-favorite-course .pc-course-cover{width:112px!important;height:72px!important;min-height:0!important;flex-basis:112px!important;margin:0!important;border-radius:11px!important;object-fit:cover!important}
body[data-route="my"] .pc-favorite-course .pc-course-body{min-width:0;padding:0!important;gap:0!important}
body[data-route="my"] .pc-favorite-course .pc-course-body h3{display:-webkit-box;overflow:hidden;margin:5px 0 0;font-size:15px!important;line-height:1.45!important;white-space:normal!important;text-overflow:ellipsis;-webkit-box-orient:vertical;-webkit-line-clamp:2}
body[data-route="my"] .pc-favorite-kind{color:var(--brand);font-size:11px;font-weight:800}
body[data-route="my"] .pc-favorite-course .pc-course-meta{margin-top:6px!important;color:var(--muted);font-size:11px!important}
body[data-route="my"] .pc-favorite-remove{min-height:34px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap;cursor:pointer}
body[data-route="my"] .pc-favorite-remove:hover{border-color:#bd5b50;color:#a23d34;background:#fff8f6}
@media(max-width:720px){
  body[data-route="my"] .pc-favorites-head{align-items:flex-start;gap:12px;padding-bottom:14px}
  body[data-route="my"] .pc-favorites-head h2{font-size:18px}
  body[data-route="my"] .pc-favorites-head p{font-size:11px}
  body[data-route="my"] .pc-favorite-course{grid-template-columns:minmax(0,1fr) auto!important;gap:10px!important;padding:13px 0!important}
  body[data-route="my"] .pc-favorite-course .pc-course-link{grid-template-columns:88px minmax(0,1fr);gap:10px}
  body[data-route="my"] .pc-favorite-course .course-cover,
  body[data-route="my"] .pc-favorite-course .pc-course-cover{width:88px!important;height:60px!important;flex-basis:88px!important}
  body[data-route="my"] .pc-favorite-course .pc-course-body h3{margin-top:3px;font-size:13px!important;line-height:1.4!important}
  body[data-route="my"] .pc-favorite-kind,body[data-route="my"] .pc-favorite-course .pc-course-meta{font-size:10px!important}
  body[data-route="my"] .pc-favorite-remove{min-height:32px;padding:6px 9px;font-size:11px}
}
@media(max-width:720px){
  body:not(.route-learning) .container,
  body:not(.route-learning) .detail-layout-grid{
    width:calc(100% - 20px)!important;
  }
}

/* v300：课程中心沿用全局背景，版面结构不变。 */
.course-center-page,
.course-center-page .course-center-hero{background:transparent}

/* v301：课程中心去掉页面级白框，改用首页同款细线分区；全站移动轨道继续统一 10px。 */
.course-center-page .course-center-hero>.container{
  padding:30px 0 14px!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  overflow:visible!important;
}
.course-center-page .course-center-hero-art{display:none!important}
.course-center-page .course-center-section{
  margin-top:0!important;
  padding:34px 0 0!important;
  border:0!important;
  border-bottom:0!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.course-center-page .course-center-video-card,
.course-center-page .course-center-column-card{
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  overflow:visible!important;
}
.course-center-page .course-center-card-body{padding:9px 0 0!important}
.account-empty{
  width:calc(100% - 20px)!important;
  margin-inline:auto!important;
  padding:72px 0 84px!important;
}
@media(max-width:720px){
  .course-center-page .course-center-hero>.container{padding:22px 0 10px!important}
  .course-center-page .course-center-section{padding:30px 0 0!important}
  .footer-grid{padding-left:10px!important;padding-right:10px!important}
  .mobile-course-cta{padding-left:10px!important;padding-right:10px!important}
  .learning-top{padding-left:10px!important;padding-right:10px!important}
  .learning-grid,
  .learning-shell.is-video .learning-grid{
    width:calc(100% - 20px)!important;
    margin-inline:auto!important;
    padding-left:0!important;
    padding-right:0!important;
  }
}

/* v302：版块之间只做水平细线分隔；上下呼吸空间对称，封面恢复圆角。 */
.course-center-page .course-center-section{
  padding:38px 0 38px!important;
  border:0!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
  background:transparent!important;
}
.course-center-page .course-center-section-head{margin-bottom:20px!important}
.course-center-page .course-center-card-cover{
  overflow:hidden!important;
  border-radius:12px!important;
}
@media(max-width:720px){
  .course-center-page .course-center-section{
    padding:30px 0 30px!important;
  }
  .course-center-page .course-center-section-head{margin-bottom:15px!important}
  .course-center-page .course-center-card-cover{border-radius:10px!important}
}

/* v303：移动端内容轨道统一提升到 16px，对标微信正文的屏幕安全边距。 */
@media(max-width:720px){
  body:not(.route-learning) .container,
  body:not(.route-learning) .detail-layout-grid,
  .course-center-page .course-center-hero>.container,
  .course-center-page .course-center-main>.container,
  .account-empty,
  .learning-grid,
  .learning-shell.is-video .learning-grid{
    width:calc(100% - 32px)!important;
  }
  .account-empty{padding-left:0!important;padding-right:0!important}
  .footer-grid,
  .mobile-course-cta,
  .learning-top{
    padding-left:16px!important;
    padding-right:16px!important;
  }
}

/* v304：课程中心分类与内容标题增大；首页同步使用同一标题系统。 */
.course-center-page .course-center-section-head h2{font-size:24px!important;line-height:1.25!important}
.course-center-page .course-center-card-body h3{font-size:15px!important;line-height:1.4!important}
@media(max-width:720px){
  .course-center-page .course-center-section-head h2{font-size:18px!important}
  .course-center-page .course-center-card-body h3{font-size:13px!important}
}

/* v310：课程中心标题区对齐会员中心；标题下方先出分隔线，分类按钮并入内容区。 */
.course-center-page .course-center-hero{padding:3px 0 0!important}
.course-center-page .course-center-hero>.container{display:block!important;padding:6px 0 18px!important;text-align:center!important}
.course-center-page .course-center-hero p{margin-inline:auto!important}
.course-center-page .course-center-main>.container{padding-top:38px!important;border-top:1px solid rgba(18,35,29,.08)!important}
.course-center-page .course-center-main>.container>.course-center-section:first-of-type{border-top:0!important;padding-top:0!important}
/* v340：分类按钮与首个推荐区之间补足一个区块间距，和下方内容节奏一致。 */
.course-center-page .course-center-tabs{margin-bottom:38px!important}
.course-center-page .course-center-filters{margin-bottom:38px!important}
.course-center-page .course-center-tabs--with-filters{margin-bottom:16px!important}
.course-center-page .course-center-tabs:not(.course-center-tabs--with-filters),
.course-center-page .course-center-filters{
  padding-bottom:10px!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
@media(max-width:720px){
  .course-center-page .course-center-hero{padding-top:5px!important}
  .course-center-page .course-center-main>.container{padding-top:30px!important}
  .course-center-page .course-center-tabs{margin-bottom:30px!important}
  .course-center-page .course-center-filters{margin-bottom:30px!important}
  .course-center-page .course-center-tabs--with-filters{margin-bottom:12px!important}
  .course-center-page .course-center-tabs:not(.course-center-tabs--with-filters),
  .course-center-page .course-center-filters{
    padding-bottom:8px!important;
  }
}

/* v315：详情页从“课程目录”起点改为“课程详情 / 课程目录”页签；课程与图文专栏共用。 */
.detail-layout{
  padding-top:26px!important;
  padding-bottom:70px!important;
}
.detail-tabs-container{
  width:min(calc(100% - 48px),1132px)!important;
  max-width:1132px!important;
  margin-inline:auto!important;
  padding-inline:0!important;
}
.detail-info-tabs{
  display:grid!important;
  grid-template-columns:repeat(2,minmax(0,1fr))!important;
  border:0!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.detail-info-tab{
  position:relative;
  min-height:auto;
  padding:4px 8px 14px;
  border:0!important;
  background:transparent!important;
  color:#687b74!important;
  font:inherit!important;
  font-size:17px!important;
  font-weight:800!important;
  line-height:1.2!important;
  cursor:pointer;
  transition:color .2s ease!important;
}
.detail-info-tab.active{color:#123a31!important}
.detail-info-tab.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-1px;
  width:46px;
  height:3px;
  transform:translateX(-50%);
  border-radius:999px;
  background:var(--brand);
}
.detail-tab-panel[aria-hidden="true"],
.detail-tab-panel.is-hidden{display:none!important}
.detail-tab-panel{padding-top:24px}
.detail-directory-panel .detail-directory-meta{
  display:flex!important;
  align-items:baseline!important;
  justify-content:space-between!important;
  gap:12px!important;
  padding:0 0 16px!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
.detail-directory-panel .detail-directory-meta strong{
  color:#152a26!important;
  font-size:17px!important;
  font-weight:850!important;
  line-height:1.3!important;
}
.detail-directory-panel .detail-directory-meta span{
  color:#687b74!important;
  font-size:13px!important;
  line-height:1.3!important;
  white-space:nowrap!important;
}
.detail-directory-panel .detail-directory-list{padding-top:6px!important}
.detail-directory-panel .detail-directory-list .v2-directory-section{
  margin:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  overflow:visible!important;
}
.detail-directory-panel .detail-directory-list .v2-directory-section+.v2-directory-section{
  margin-top:24px!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
}
.detail-directory-panel .detail-directory-list .directory-section-toggle{
  min-height:60px!important;
  gap:12px!important;
  padding:18px 0 16px!important;
  border:0!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
}
.detail-directory-panel .detail-directory-list .directory-section-toggle:hover{
  background:rgba(14,125,101,.04)!important;
}
.detail-directory-panel .detail-directory-list .v2-directory-section:not(.is-collapsed)>.directory-section-toggle{
  background:transparent!important;
}
.detail-directory-panel .detail-directory-list .directory-section-toggle span{
  color:var(--brand)!important;
  font-size:13px!important;
  font-weight:850!important;
}
.detail-directory-panel .detail-directory-list .directory-section-toggle h3{
  overflow:visible!important;
  color:#152a26!important;
  font-size:18px!important;
  font-weight:820!important;
  line-height:1.35!important;
  white-space:normal!important;
  text-overflow:clip!important;
}
.detail-directory-panel .detail-directory-list .v2-directory-section:not(.is-collapsed) .directory-section-toggle h3{
  color:var(--brand-deep)!important;
}
.detail-directory-panel .detail-directory-list .directory-section-toggle small{
  color:#687b74!important;
  font-size:12px!important;
}
.detail-directory-panel .detail-directory-list .directory-section-toggle i{
  color:#8a9993!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter{
  grid-template-columns:30px minmax(0,1fr) auto!important;
  gap:12px!important;
  align-items:center!important;
  padding:16px 0!important;
  border:0!important;
  border-bottom:1px dashed rgba(129,151,143,.38)!important;
  background:transparent!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter:last-child{
  border-bottom:0!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-no{
  width:28px!important;
  height:28px!important;
  font-size:11px!important;
  font-weight:800!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-main b{
  overflow:visible!important;
  color:#152a26!important;
  font-size:16px!important;
  font-weight:780!important;
  line-height:1.45!important;
  white-space:normal!important;
  text-overflow:clip!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-main p{
  margin-top:5px!important;
  overflow:visible!important;
  color:#687b74!important;
  font-size:13px!important;
  line-height:1.45!important;
  white-space:normal!important;
  text-overflow:clip!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-state{
  grid-column:auto!important;
  justify-self:end!important;
  padding:7px 10px!important;
  color:var(--brand)!important;
  font-size:11px!important;
  font-weight:780!important;
}
@media(max-width:720px){
  .detail-layout{padding-top:18px!important;padding-bottom:52px!important}
  .detail-info-tab{padding:2px 8px 12px;font-size:16px!important}
  .detail-tab-panel{padding-top:20px}
  .detail-directory-panel .detail-directory-meta{padding-bottom:14px!important}
  .detail-directory-panel .detail-directory-meta strong{font-size:16px!important}
  .detail-directory-panel .detail-directory-meta span{font-size:12px!important}
  .detail-directory-panel .detail-directory-list .directory-section-toggle{padding:16px 0 14px!important}
  .detail-directory-panel .detail-directory-list .directory-section-toggle h3{font-size:16px!important}
  .detail-directory-panel .detail-directory-list .v2-chapter{
    grid-template-columns:28px minmax(0,1fr)!important;
    gap:10px!important;
    padding:14px 0!important;
  }
  .detail-directory-panel .detail-directory-list .v2-chapter-main b{font-size:15px!important}
  .detail-directory-panel .detail-directory-list .v2-chapter-main p{font-size:12px!important}
  .detail-directory-panel .detail-directory-list .v2-chapter-state{
    grid-column:2!important;
    justify-self:start!important;
    margin-top:2px!important;
    padding:5px 8px!important;
    font-size:10px!important;
  }
}

/* v305：会员页复用首页/课程中心的透明分区、标题系统与内容轨道；保留真实套餐与支付逻辑。 */
.member-center-page{background:transparent!important;box-shadow:none!important}
.member-center-page .member-page-title{border:0!important;background:transparent!important}
.member-center-page.member-v2-main{padding-top:3px!important}
.logo-text{gap:0;white-space:nowrap}

/* v464：恢复协议栏目上线前的页尾：品牌在左，课程与支持同行右置。 */
.site-footer{padding-top:42px!important}
.site-footer .footer-grid.container{
  width:calc(100% - 64px)!important;
  max-width:940px!important;
  margin-inline:auto!important;
  padding:0!important;
  display:grid!important;
  grid-template-columns:minmax(220px,1fr) auto auto!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:20px 48px!important;
}
.footer-brand{
  grid-column:auto!important;
  width:auto!important;
  max-width:none!important;
  display:flex!important;
  flex-direction:row!important;
  align-items:center!important;
  justify-content:flex-start!important;
  text-align:left!important;
}
.footer-brand .logo{justify-content:flex-start!important;gap:13px!important}
.footer-brand .logo-mark,
.footer-brand .logo-mark.logo-mark-sm{width:48px!important;height:48px!important;border-radius:14px!important}
.footer-brand .logo-mark .logo-img{width:48px!important;height:48px!important;object-fit:contain!important}
.footer-brand-copy{display:flex;flex-direction:column;align-items:flex-start;text-align:left;line-height:1}
.footer-brand-copy strong{font-size:22px;line-height:1.15;letter-spacing:-.04em;color:var(--ink)}
.footer-brand-copy small{margin-top:6px;font-size:8px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
.footer-link-group{justify-self:end;min-width:110px;text-align:center}
.footer-link-group h4{margin-bottom:10px!important;font-size:14px!important}
.footer-link-group a{padding:5px 0!important;text-align:center}
.footer-bottom{max-width:940px!important;margin-inline:auto!important}
.footer-legal-links{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:6px;font-size:11px;line-height:1.6}
.footer-legal-links a{color:inherit;text-decoration:none;transition:color .18s ease}
.footer-legal-links a:hover{color:var(--primary)}
.footer-legal-links span{opacity:.55}
@media(max-width:720px){
  .site-footer{padding-top:30px!important}
  .site-footer .footer-grid.container{
    width:calc(100% - 28px)!important;
    grid-template-columns:auto auto auto!important;
    align-items:center!important;
    justify-content:space-between!important;
    padding-right:64px!important;
    gap:10px!important;
  }
  .footer-brand .logo{gap:8px!important}
  .footer-brand .logo-mark,.footer-brand .logo-mark.logo-mark-sm{width:36px!important;height:36px!important;border-radius:11px!important}
  .footer-brand .logo-mark .logo-img{width:36px!important;height:36px!important}
  .footer-brand-copy strong{font-size:16px}
  .footer-brand-copy small{margin-top:4px;font-size:7px;letter-spacing:.1em}
  .footer-link-group{min-width:58px;text-align:center}
  .footer-link-group h4{margin-bottom:5px!important;font-size:11px!important}
  .footer-link-group a{padding:3px 0!important;font-size:10px!important;text-align:center}
  .footer-link-group h4,.footer-link-group a{text-align:center}
  .footer-bottom{width:calc(100% - 28px);margin-top:24px!important;padding-inline:6px!important;line-height:1.7}
}
.member-center-page .course-center-section{
  margin-top:0!important;
  padding:38px 0!important;
  border:0!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.member-center-page .course-center-section-head{margin-bottom:20px!important}
.member-center-page .course-center-section-head{align-items:center!important}
.member-center-page .course-center-section-head h2{flex:0 0 auto;font-size:24px!important;line-height:1.25!important;white-space:nowrap!important}
.member-center-page .course-center-section-head>span{flex:1 1 auto;min-width:0;overflow:hidden;color:#66736d;font-size:13px;line-height:1.5;text-align:right;text-overflow:ellipsis;white-space:nowrap}
.member-plan-grid{
  display:grid!important;
  grid-template-columns:repeat(3,minmax(0,1fr))!important;
  gap:12px!important;
  margin:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  overflow:visible!important;
}
.member-plan-v2{
  min-width:0;
  min-height:0!important;
  display:flex!important;
  flex-direction:column!important;
  gap:14px!important;
  padding:22px!important;
  border:1px solid rgba(18,35,29,.10)!important;
  border-radius:18px!important;
  background:rgba(255,255,255,.78)!important;
  box-shadow:none!important;
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease!important;
  text-align:center!important;
}
.member-plan-v2:hover{border-color:rgba(8,115,95,.24)!important;transform:translateY(-2px)!important}
.member-plan-v2.selected{border-color:rgba(8,115,95,.52)!important;background:linear-gradient(150deg,#082c25,#0a5d4e 68%,#116854)!important;box-shadow:0 18px 44px rgba(8,115,95,.16)!important}
.member-plan-v2.selected::after{content:none!important}
.member-plan-top{display:flex;align-items:center;justify-content:center;gap:10px}
.member-plan-tag{color:#66736d;font-size:11px;font-weight:750;letter-spacing:.04em}
.member-plan-badge{padding:4px 8px;border:1px solid rgba(18,35,29,.10);border-radius:999px;color:#66736d;font-size:10px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.member-plan-v2.selected .member-plan-tag{color:#a7f3d0}
.member-plan-v2.selected .member-plan-badge{border-color:rgba(240,192,114,.45);background:rgba(240,192,114,.14);color:#f8d293}
.member-plan-v2 h3{margin:0!important;color:#152a26;font-size:22px!important;line-height:1.3!important;letter-spacing:-.02em;white-space:normal!important;overflow:visible!important;text-overflow:clip!important}
.member-plan-price{display:grid!important;justify-items:center;gap:6px;margin:0!important}
.member-plan-sale{display:flex;align-items:baseline;justify-content:center;gap:4px}
.member-plan-price small{color:var(--price,#e8552e);font-size:15px;font-weight:850}
.member-plan-price b{color:var(--price,#e8552e);font-size:38px;line-height:1;font-weight:900}
.member-plan-price s{margin:0!important;color:#8a9590;font-size:14px;font-weight:450;line-height:1.2}
.member-plan-price .member-plan-validity{margin:0!important;color:#66736d;font-size:12px;font-weight:650}
.member-plan-v2.selected .member-plan-tag,.member-plan-v2.selected h3{color:#fff!important}
.member-plan-v2.selected .member-plan-price small,.member-plan-v2.selected .member-plan-price b{color:#f7d08a}
.member-plan-v2.selected .member-plan-price s{color:rgba(255,255,255,.62)}
.member-plan-v2.selected .member-plan-validity{color:rgba(255,255,255,.72)}
.member-purchase-cta{width:100%;min-height:56px;margin-top:18px;border-radius:17px;font-size:16px;box-shadow:0 14px 32px rgba(8,115,95,.14)!important}
.member-coverage-strip{align-items:flex-start;margin-top:16px!important;padding:16px 0 0!important;border:0!important;border-top:1px solid rgba(18,35,29,.07)!important;border-radius:0!important;background:transparent!important}
.member-coverage-strip>span{flex:0 0 auto;color:#08735f;font-size:12px;font-weight:800}
.member-coverage-strip p{color:#66736d;font-size:13px!important;line-height:1.6}
.member-coverage-note{display:block;margin-top:4px;color:#8a9590;font-size:12px;line-height:1.55}
.member-center-page .member-entitlements{display:block!important;grid-template-columns:none!important;gap:0!important}
.member-entitlement-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:38px;margin-top:20px!important}
.member-entitlement-list article{grid-template-columns:32px minmax(0,1fr);align-items:start;gap:12px;padding:16px 0;border-bottom:1px solid rgba(18,35,29,.07)}
.member-entitlement-list article>span{width:28px;height:28px;border-radius:50%;background:#e0f1eb;color:#08735f;font-size:10px;font-weight:850;aspect-ratio:1}
.member-entitlement-list p{padding-top:3px;color:#344b43;font-size:15px!important;line-height:1.7}
.member-included-list{display:grid;gap:0!important;max-width:none!important;margin-top:20px!important}
.member-included-card{
  display:grid;
  grid-template-columns:112px minmax(0,1fr) auto auto;
  align-items:center;
  gap:14px;
  min-height:82px;
  padding:12px 0!important;
  border:0!important;
  border-bottom:1px solid rgba(18,35,29,.07)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  color:#152a26;
  text-decoration:none;
  transition:none!important;
}
.member-included-card:hover,.member-included-card:focus-visible{transform:none!important;box-shadow:none!important}
.member-included-card:hover .member-included-copy h3,.member-included-card:focus-visible .member-included-copy h3{color:#08735f}
.member-included-cover{aspect-ratio:16/9;height:auto;overflow:hidden;border-radius:10px;background:linear-gradient(135deg,#dff4ec,#f7fbf9)}
.member-included-copy h3{overflow:hidden;margin:0;color:#152a26;font-size:15px!important;line-height:1.4;font-weight:750;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;white-space:normal!important}
.member-included-copy p{margin:6px 0 0;color:#66736d;font-size:12px!important}
.member-included-free{padding:4px 8px;border-radius:999px;background:#fff2d8;color:#c87508;font-size:11px;font-weight:800;white-space:nowrap}
.member-included-arrow{color:#08735f;font-size:18px;font-weight:700}
@media(max-width:720px){
  .member-v2-main{padding:20px 0 48px!important}
  .member-center-page .member-page-title{padding:8px 0 18px!important}
  .member-center-page .member-page-title h1{margin:6px 0 5px;font-size:30px!important}
  .member-center-page .member-page-title p{font-size:12px;line-height:1.65}
  .member-center-page .course-center-section{padding:30px 0!important}
  .member-center-page .course-center-section-head{align-items:center!important;margin-bottom:15px!important}
  .member-center-page .course-center-section-head h2{gap:6px;font-size:18px!important}
  .member-center-page .course-center-section-icon{flex:0 0 21px;width:21px;height:21px;border-radius:7px}
  .member-center-page .course-center-section-head>span{font-size:11px;white-space:normal}
  .member-plan-grid{
    display:grid!important;
    grid-template-columns:repeat(auto-fit,minmax(min(100%,102px),1fr))!important;
    grid-auto-rows:1fr!important;
    gap:7px!important;
    margin:0!important;
    overflow:visible!important;
  }
  .member-plan-v2{gap:8px!important;padding:13px 10px!important;border-radius:14px!important}
  .member-plan-top{display:grid;gap:3px;justify-items:center}
  .member-plan-tag{max-width:100%;overflow:hidden;font-size:9px;text-overflow:ellipsis;white-space:nowrap}
  .member-plan-badge{max-width:100%;overflow:hidden;padding:3px 5px;font-size:8px;text-overflow:ellipsis;white-space:nowrap}
  .member-plan-v2 h3{margin:0!important;font-size:13px!important}
  .member-plan-price{gap:4px;margin:0!important}
  .member-plan-price small{font-size:12px}
  .member-plan-price b{font-size:20px}
  .member-plan-price s{font-size:11px}
  .member-plan-price .member-plan-validity{margin-top:1px!important;font-size:9px}
  .member-purchase-cta{min-height:52px;margin-top:16px;border-radius:15px;font-size:15px}
  .member-coverage-strip{margin-top:14px!important;padding-top:13px!important}
  .member-coverage-strip>span{font-size:11px}
  .member-coverage-strip p{font-size:11px!important;line-height:1.55}
  .member-coverage-note{margin-top:3px;font-size:10px}
  .member-entitlement-list{grid-template-columns:1fr;column-gap:0;margin-top:15px!important}
  .member-entitlement-list article{grid-template-columns:28px minmax(0,1fr);gap:10px;padding:13px 0}
  .member-entitlement-list article>span{width:26px;height:26px;font-size:9px}
  .member-entitlement-list p{font-size:14px!important;line-height:1.65}
  .member-included-list{margin-top:15px!important}
  .member-included-card{grid-template-columns:104px minmax(0,1fr) auto;gap:10px;min-height:72px;padding:10px 0!important}
  .member-included-cover{border-radius:8px}
  .member-included-copy h3{font-size:13px!important}
  .member-included-copy p{margin-top:4px;font-size:10px!important}
  .member-included-free{padding:3px 6px;font-size:9px}
  .member-included-arrow{display:none}
}

/* v312：「我的」页面未登录与登录态统一到首页/课程/会员视觉。 */
body[data-route="my"] .account-page{
  background:transparent!important;
  box-shadow:none!important;
  padding:18px 0 72px!important;
}
body[data-route="my"] .account-empty{
  display:block!important;
  width:calc(100% - 48px)!important;
  min-height:0!important;
  margin:0 auto!important;
  padding:0!important;
  background:transparent!important;
  box-shadow:none!important;
  text-align:center!important;
}
body[data-route="my"] .account-empty>div{max-width:none!important;padding:6px 0 18px!important}
body[data-route="my"] .account-empty h1{margin:7px 0 5px!important;color:var(--ink)!important;font-size:clamp(30px,3.3vw,42px)!important;line-height:1.12;letter-spacing:-.045em}
body[data-route="my"] .account-empty p{max-width:620px;margin:0 auto!important;color:#66736d!important;font-size:13px!important;line-height:1.65}
body[data-route="my"] .account-empty .btn{margin-top:24px!important}
body[data-route="my"] .account-empty>div::after{content:"";display:block;margin-top:30px;border-top:1px solid rgba(18,35,29,.08)}

/* v344：未登录页占满正文剩余高度，内容垂直居中且不再出现分隔出的空白块。 */
body[data-route="my"] #app{display:flex!important;flex-direction:column!important}
body[data-route="my"] #app > .account-empty--guest{padding-bottom:0!important;margin-bottom:0!important}
body[data-route="my"] .account-page{flex:1 0 auto!important}
body[data-route="my"] .account-empty--guest{
  display:flex!important;
  flex:1 0 auto!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:0!important;
}
body[data-route="my"] .account-empty--guest>div{width:100%!important}
body[data-route="my"] .account-empty--guest>div::after{display:none!important}

/* v357：昵称后缀改为后台可控，长昵称在个人中心内安全换行。 */
body[data-route="my"] .account-profile-card{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:14px!important;
  margin:6px 0 0!important;
  padding:6px 0 18px!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body[data-route="my"] .account-head{margin-bottom:0!important;gap:14px!important}
body[data-route="my"] .account-head>div{min-width:0!important}
body[data-route="my"] .account-avatar{width:58px;height:58px;flex-basis:58px;background:var(--brand-soft)}
body[data-route="my"] .account-head>div>span{color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.1em}
body[data-route="my"] .account-head h1{margin:3px 0 0!important;min-width:0!important;overflow-wrap:anywhere;font-size:clamp(30px,3.3vw,42px)!important;line-height:1.12;letter-spacing:-.045em}
body[data-route="my"] .account-head h1 em{font-size:12px;font-weight:650}
body[data-route="my"] .account-profile-action{min-height:40px;padding:10px 15px;border-radius:999px}

body[data-route="my"] .account-tabs{
  gap:9px!important;
  margin:18px 0 0!important;
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  scrollbar-width:none;
}
body[data-route="my"] .account-tabs::-webkit-scrollbar{display:none}
body[data-route="my"] .account-tabs button{
  flex:0 0 auto!important;
  min-height:37px!important;
  padding:9px 17px!important;
  border:1px solid var(--line)!important;
  border-bottom:1px solid var(--line)!important;
  border-radius:999px!important;
  background:var(--paper)!important;
  color:var(--ink)!important;
  font-size:14px!important;
}
body[data-route="my"] .account-tabs button.active{border-color:var(--brand)!important;background:var(--brand)!important;color:#fff!important}

body[data-route="my"] .account-panel{
  max-width:none!important;
  margin-top:18px!important;
  padding:38px 0 0!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
}
body[data-route="my"] .account-overview{gap:18px!important}
body[data-route="my"] .overview-stat{
  background:transparent!important;
  border:0!important;
  border-radius:0!important;
  box-shadow:none!important;
  padding:0!important;
}
body[data-route="my"] .overview-stat::after{display:none!important}
body[data-route="my"] .overview-stat span{color:#66736d!important;font-size:12px!important}
body[data-route="my"] .overview-stat b{margin-top:6px!important;color:var(--brand)!important;font-size:28px!important;line-height:1}
body[data-route="my"] .overview-stat-action small{margin-top:6px!important;font-size:12px!important}
body[data-route="my"] .account-next{
  overflow:visible!important;
  margin-top:38px!important;
  padding:38px 0 0!important;
  border:0!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body[data-route="my"] .account-next::after{display:none!important}
body[data-route="my"] .account-next .section-kicker{color:var(--brand)!important}
body[data-route="my"] .account-next h2{margin:6px 0 4px!important;color:var(--ink)!important;font-size:24px!important;line-height:1.25!important;letter-spacing:0!important}
body[data-route="my"] .account-next p{color:#66736d!important;font-size:13px!important;line-height:1.6!important}
body[data-route="my"] .pc-course-panel-head{align-items:center!important}
body[data-route="my"] .pc-course-panel-head h2{font-size:24px!important;line-height:1.25!important}
body[data-route="my"] .pc-course-filter button{border-radius:999px!important;background:var(--paper)!important;color:var(--ink)!important}
body[data-route="my"] .pc-course-filter button.active{background:var(--brand-soft)!important;color:var(--brand)!important}

body[data-route="my"] .pc-course{
  display:grid!important;
  grid-template-columns:92px minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:14px!important;
  padding:14px 0!important;
  border:0!important;
  border-bottom:1px solid rgba(18,35,29,.07)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  transform:none!important;
}
body[data-route="my"] .pc-course .course-cover,
body[data-route="my"] .pc-course-cover{width:92px!important;height:62px!important;flex-basis:92px!important;margin:0!important;border-radius:10px!important;object-fit:cover!important}
body[data-route="my"] .pc-course-body{padding:0!important}
body[data-route="my"] .pc-course-body h3{overflow:hidden;font-size:15px!important;line-height:1.4;text-overflow:ellipsis;white-space:nowrap}
body[data-route="my"] .pc-course-meta{margin-top:4px!important;font-size:11px!important}
body[data-route="my"] .account-empty-inline{
  padding:18px 0 0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body[data-route="my"] .account-empty-inline h2{margin:0 0 5px!important;font-size:18px!important;line-height:1.3}
body[data-route="my"] .account-empty-inline p{margin:0 0 16px!important;font-size:12px!important}

body[data-route="my"] .account-order{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:8px 14px!important;
  padding:15px 0!important;
  border:0!important;
  border-bottom:1px solid rgba(18,35,29,.07)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body[data-route="my"] .account-order--member{background:transparent!important}
body[data-route="my"] .account-order-main>span{font-size:11px}
body[data-route="my"] .account-order-main h3{margin:4px 0 0!important;font-size:15px!important;line-height:1.4}
body[data-route="my"] .account-order-main p{margin-top:4px!important;font-size:11px}
body[data-route="my"] .account-order-side{justify-items:end!important;gap:5px!important}

body[data-route="my"] .member-redeem-panel{max-width:760px}
body[data-route="my"] .member-redeem-panel header h2{margin:6px 0 7px;font-size:24px;line-height:1.25}
body[data-route="my"] .member-redeem-panel header p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
body[data-route="my"] .member-redeem-form{margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
body[data-route="my"] .member-redeem-form>label{display:block;margin-bottom:9px;font-size:14px;font-weight:750}
body[data-route="my"] .member-redeem-form>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}
body[data-route="my"] .member-redeem-form input{min-width:0;text-transform:uppercase;letter-spacing:.04em}
body[data-route="my"] .member-redeem-form small{display:block;margin-top:10px;color:var(--muted);font-size:11px;line-height:1.65}
body[data-route="my"] .member-redeem-history{margin-top:28px}
body[data-route="my"] .member-redeem-history h3{margin:0 0 8px;font-size:17px}
body[data-route="my"] .member-redeem-record{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid rgba(18,35,29,.07)}
body[data-route="my"] .member-redeem-record b,body[data-route="my"] .member-redeem-record span{display:block}
body[data-route="my"] .member-redeem-record span{margin-top:4px;color:var(--muted);font-size:11px}
body[data-route="my"] .member-redeem-record em{color:var(--brand);font-size:12px;font-style:normal;font-weight:750;white-space:nowrap}
body[data-route="my"] .member-redeem-empty{margin:0;padding:16px 0;color:var(--muted);font-size:12px}
@media(max-width:760px){body[data-route="my"] .member-redeem-form{padding:17px}body[data-route="my"] .member-redeem-form>div{grid-template-columns:1fr}body[data-route="my"] .member-redeem-form .btn{width:100%}}

/* v359：账号设置统一为左侧信息、右侧操作的行式布局。 */
body[data-route="my"] .account-settings,
body[data-route="my"] .pc-box{
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body[data-route="my"] .account-settings h2{margin:0 0 8px!important;font-size:24px!important;line-height:1.25}
body[data-route="my"] .pc-setting-row{
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:16px!important;
  padding:16px 0!important;
  border-bottom:1px solid rgba(18,35,29,.07)!important;
}
body[data-route="my"] .pc-setting-row b{font-size:15px!important;line-height:1.4}
body[data-route="my"] .pc-setting-main{
  display:flex!important;
  width:100%!important;
  min-width:0!important;
}
body[data-route="my"] .pc-setting-main>div{flex:1 1 auto!important;min-width:0!important;overflow-wrap:anywhere}
body[data-route="my"] .pc-setting-main .btn,
body[data-route="my"] .pc-setting-main .status-pill{
  flex:0 0 auto!important;
  width:auto!important;
  white-space:nowrap;
}
body[data-route="my"] .pc-setting-avatar{display:flex!important;align-items:center!important;gap:12px!important}
body[data-route="my"] .pc-avatar-preview{
  display:grid!important;
  place-items:center!important;
  width:42px!important;
  height:42px!important;
  flex:0 0 auto!important;
  overflow:hidden!important;
  border-radius:50%!important;
  background:var(--brand-soft)!important;
  color:var(--brand)!important;
  font-size:15px!important;
  font-weight:800!important;
  line-height:1!important;
}
body[data-route="my"] .pc-avatar-preview .av-img{
  display:block!important;
  width:100%!important;
  height:100%!important;
  border-radius:50%!important;
  object-fit:cover!important;
}
body[data-route="my"] .pc-logout{width:100%;margin-top:18px!important}

body[data-route="my"] .distribution-center{gap:14px!important}
body[data-route="my"] .distribution-hero{
  align-items:center!important;
  padding:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body[data-route="my"] .distribution-hero h2{margin:6px 0 4px!important;color:var(--ink)!important;font-size:24px!important;line-height:1.25}
body[data-route="my"] .distribution-hero p{color:#66736d!important;font-size:13px!important}
body[data-route="my"] .distribution-grid{
  grid-template-columns:repeat(2,minmax(0,1fr))!important;
  gap:12px!important;
  margin:0!important;
  padding:0!important;
  border:0!important;
}
body[data-route="my"] .distribution-stat{
  padding:15px 13px!important;
  border:1px solid rgba(18,35,29,.09)!important;
  border-radius:8px!important;
  background:var(--paper)!important;
}
body[data-route="my"] .distribution-stat span{font-size:11px!important}
body[data-route="my"] .distribution-stat b{margin-top:5px!important;font-size:20px!important}
body[data-route="my"] .distribution-share,
body[data-route="my"] .distribution-members,
body[data-route="my"] .distribution-records{
  padding:18px 16px!important;
  border:1px solid rgba(18,35,29,.09)!important;
  border-radius:8px!important;
  background:var(--paper)!important;
  box-shadow:none!important;
}
body[data-route="my"] .distribution-share h3,
body[data-route="my"] .distribution-section-head h3{font-size:16px!important;line-height:1.3!important}
body[data-route="my"] .distribution-share p,
body[data-route="my"] .distribution-section-head span{font-size:11px!important}
body[data-route="my"] .distribution-member{padding:10px 0!important;gap:10px!important}
body[data-route="my"] .dm-avatar{width:36px!important;height:36px!important;font-size:13px!important}
body[data-route="my"] .dm-info b{font-size:14px!important}
body[data-route="my"] .dm-info span{margin-top:2px!important;font-size:11px!important}
body[data-route="my"] .dm-tag{padding:3px 8px!important;font-size:10px!important}
body[data-route="my"] .distribution-record{padding:10px 0!important;gap:12px!important}
body[data-route="my"] .distribution-record b{font-size:14px!important;line-height:1.4!important}
body[data-route="my"] .distribution-record span{margin-top:2px!important;font-size:10px!important}
body[data-route="my"] .distribution-record strong{font-size:14px!important}
body[data-route="my"] .distribution-empty{font-size:12px!important;padding:14px 0 2px!important}
body[data-route="my"] .distribution-note{padding:0!important;border-top:0!important;font-size:11px!important}

@media(max-width:720px){
  body[data-route="my"].mobile-mode:not(.route-learning){min-height:100vh!important}
  body[data-route="my"].mobile-mode:not(.route-learning) #app{flex:1 0 auto!important}
  body[data-route="my"] .account-empty p{font-size:12px!important}
  body[data-route="my"] .account-empty{width:calc(100% - 32px)!important}
  body[data-route="my"] .account-profile-card{grid-template-columns:minmax(0,1fr)!important;padding-bottom:18px!important}
  body[data-route="my"] .account-profile-action{grid-column:1!important;width:100%!important;justify-content:center!important}
  body[data-route="my"] .account-head h1{font-size:30px!important}
  body[data-route="my"] .account-tabs{gap:9px!important;margin-top:18px!important}
  body[data-route="my"] .account-tabs button{min-height:36px!important;padding:8px 14px!important;font-size:13px!important}
  body[data-route="my"] .account-panel{padding-top:30px!important}
  body[data-route="my"] .account-overview{gap:10px!important}
  body[data-route="my"] .overview-stat span{font-size:10px!important}
  body[data-route="my"] .overview-stat b{font-size:20px!important}
  body[data-route="my"] .overview-stat-action small{font-size:10px!important}
  body[data-route="my"] .account-next{margin-top:30px!important;padding-top:30px!important}
  body[data-route="my"] .account-next h2,
  body[data-route="my"] .pc-course-panel-head h2{font-size:18px!important}
  body[data-route="my"] .account-next p,
  body[data-route="my"] .pc-course-panel-head p{font-size:11px!important}
  body[data-route="my"] .pc-course{grid-template-columns:104px minmax(0,1fr)!important;gap:10px!important;padding:13px 0!important}
  body[data-route="my"] .pc-course .course-cover,
  body[data-route="my"] .pc-course-cover{width:104px!important;height:70px!important}
  body[data-route="my"] .pc-course-body h3{font-size:13px!important}
  body[data-route="my"] .account-empty-inline h2{font-size:15px!important}
  body[data-route="my"] .account-empty-inline p{font-size:11px!important}
  body[data-route="my"] .account-order-main h3{font-size:13px!important}
  body[data-route="my"] .account-settings h2{font-size:18px!important}
  body[data-route="my"] .pc-setting-row{padding:13px 0!important}
  body[data-route="my"] .distribution-hero{padding-bottom:0!important}
  body[data-route="my"] .distribution-hero h2{font-size:18px!important}
  body[data-route="my"] .distribution-hero p{font-size:11px!important}
  body[data-route="my"] .distribution-grid{gap:8px!important;padding:0!important}
  body[data-route="my"] .distribution-stat span{font-size:10px!important}
  body[data-route="my"] .distribution-stat{padding:13px 11px!important}
  body[data-route="my"] .distribution-stat b{font-size:18px!important}
  body[data-route="my"] .distribution-share,
  body[data-route="my"] .distribution-members,
  body[data-route="my"] .distribution-records{padding:15px 13px!important}
  body[data-route="my"] .distribution-share h3,
  body[data-route="my"] .distribution-section-head h3{font-size:14px!important}
  body[data-route="my"] .dm-info b{font-size:13px!important}
  body[data-route="my"] .distribution-record b{font-size:13px!important}
  body[data-route="my"] .distribution-record strong{font-size:13px!important}
}

/* v345：推广中心改为轻边框卡片，好友与佣金明细压缩到更安静的字号。 */
body[data-route="my"] .distribution-stat,
body[data-route="my"] .distribution-share,
body[data-route="my"] .distribution-members,
body[data-route="my"] .distribution-records{border-color:rgba(18,35,29,.08)!important}
body[data-route="my"] .distribution-member:last-child{border-bottom:0!important}
body[data-route="my"] .distribution-record:last-child{border-bottom:0!important}

/* v316：课程/专栏目录统一为左标题 + 右封面；视频开放内容用播放封面替代“开始学习”。 */
.detail-directory-panel .detail-directory-list .v2-chapter{
  grid-template-columns:30px minmax(0,1fr) 132px!important;
  align-items:center!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-main{
  display:flex!important;
  flex-direction:column!important;
  min-width:0!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-cover{
  position:relative!important;
  width:132px!important;
  aspect-ratio:16 / 9!important;
  border-radius:14px!important;
  overflow:hidden!important;
  background:#e8efe9!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-cover img{
  display:block!important;
  width:100%!important;
  height:100%!important;
  object-fit:cover!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-cover.is-article img{
  filter:saturate(.96);
}
.detail-directory-panel .detail-directory-list .v2-chapter-cover i{
  position:absolute!important;
  left:50%!important;
  top:50%!important;
  width:32px!important;
  height:32px!important;
  display:grid!important;
  place-items:center!important;
  transform:translate(-50%,-50%)!important;
  border-radius:999px!important;
  background:rgba(18,35,29,.70)!important;
  color:#fff!important;
  font-style:normal!important;
  font-size:11px!important;
  box-shadow:0 4px 14px rgba(18,35,29,.20)!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-cover em{
  position:absolute!important;
  left:6px!important;
  right:6px!important;
  bottom:6px!important;
  padding:4px 5px!important;
  border-radius:999px!important;
  background:rgba(18,35,29,.70)!important;
  color:#fff!important;
  font-size:10px!important;
  font-style:normal!important;
  font-weight:780!important;
  line-height:1.2!important;
  text-align:center!important;
}
@media(max-width:720px){
  .detail-directory-panel .detail-directory-list .v2-chapter{
    grid-template-columns:28px minmax(0,1fr) 112px!important;
  }
  .detail-directory-panel .detail-directory-list .v2-chapter-cover{
    width:112px!important;
    border-radius:12px!important;
  }
  .detail-directory-panel .detail-directory-list .v2-chapter-cover i{
    width:28px!important;
    height:28px!important;
    font-size:10px!important;
  }
}

/* v318：目录折叠条圆角化并增加内侧留白；目录条目去掉重复副标题，标题与封面垂直居中。 */
.detail-directory-panel .detail-directory-list .directory-section-toggle{
  border-radius:18px!important;
  padding-inline:16px!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-main{
  align-self:stretch!important;
  justify-content:center!important;
}
.detail-directory-panel .detail-directory-list .v2-chapter-main p{
  display:none!important;
}
@media(max-width:720px){
  .detail-directory-panel .detail-directory-list .directory-section-toggle{
    padding-inline:14px!important;
  }
}

/* v319：视频学习页按参考图 3 收敛为清晰学习台；展示真实课节进度，强化上下节导航。 */
.learning-shell.is-video .learning-now{
  gap:12px!important;
}
.learning-shell.is-video .learning-progress-strip{
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:12px!important;
  padding:12px 14px!important;
  border:1px solid rgba(18,35,29,.10)!important;
  border-radius:14px!important;
  background:rgba(255,254,250,.92)!important;
  color:#5d6f68!important;
  font-size:12px!important;
  line-height:1.2!important;
}
.learning-shell.is-video .learning-progress-strip span:last-child{
  color:#152a26!important;
  font-weight:800!important;
}
.learning-shell.is-video .learning-progress-bar{
  height:6px!important;
  border-radius:999px!important;
  background:#e5efe9!important;
  overflow:hidden!important;
}
.learning-shell.is-video .learning-progress-bar i{
  display:block!important;
  width:var(--learning-progress,0%)!important;
  height:100%!important;
  border-radius:999px!important;
  background:var(--brand)!important;
}
.learning-shell.is-video .learning-now h1{
  font-size:30px!important;
  line-height:1.22!important;
}
.learning-shell.is-video .article-bottom-nav{
  display:grid!important;
  grid-template-columns:repeat(2,minmax(0,1fr))!important;
  gap:10px!important;
  margin-top:18px!important;
  border:0!important;
  background:transparent!important;
}
.learning-shell.is-video .article-bottom-nav .article-prev,
.learning-shell.is-video .article-bottom-nav .article-next{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:46px!important;
  padding:12px 14px!important;
  border-radius:999px!important;
  color:#152a26!important;
  font-size:13px!important;
  font-weight:800!important;
  text-decoration:none!important;
  white-space:nowrap!important;
  overflow:hidden!important;
  text-overflow:ellipsis!important;
}
.learning-shell.is-video .article-bottom-nav .article-prev{
  border:1px solid rgba(18,35,29,.16)!important;
  background:rgba(255,254,250,.86)!important;
}
.learning-shell.is-video .article-bottom-nav .article-next{
  border:1px solid transparent!important;
  background:var(--brand)!important;
  color:#fff!important;
  box-shadow:0 10px 24px rgba(14,124,107,.18)!important;
}
.learning-shell.is-video .article-bottom-nav .article-share-action{
  grid-column:1 / -1!important;
  min-height:44px!important;
  margin:0!important;
  border:1px solid rgba(18,35,29,.12)!important;
  border-radius:999px!important;
  background:rgba(255,254,250,.82)!important;
  color:var(--brand)!important;
  font-size:13px!important;
  font-weight:800!important;
  text-align:center!important;
}
@media(max-width:720px){
  .learning-shell.is-video .learning-progress-strip{
    padding:11px 12px!important;
    font-size:11px!important;
  }
  .learning-shell.is-video .learning-now h1{
    font-size:24px!important;
  }
  .learning-shell.is-video .article-bottom-nav{
    margin-top:16px!important;
  }
  .learning-shell.is-video .article-bottom-nav .article-prev,
  .learning-shell.is-video .article-bottom-nav .article-next,
  .learning-shell.is-video .article-bottom-nav .article-share-action{
    min-height:44px!important;
    font-size:12px!important;
  }
}

/* v320：视频学习页共用首页/课程中心的透明分区、统一轨道与字号；图文阅读页保持原样。 */
.learning-shell.is-video{
  background:var(--bg)!important;
  color:var(--ink)!important;
  padding-bottom:72px!important;
}
.learning-shell.is-video .learning-grid{
  box-sizing:border-box!important;
  width:min(calc(100% - 48px),1180px)!important;
  margin-inline:auto!important;
  padding-top:26px!important;
  grid-template-columns:minmax(0,1fr) 320px!important;
  gap:34px!important;
}
.learning-shell.is-video .learning-main-stack{
  min-width:0!important;
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.learning-shell.is-video .learning-now{
  display:flex!important;
  flex-direction:column!important;
  gap:13px!important;
  margin:0 0 22px!important;
  padding:0 0 22px!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
.learning-shell.is-video .learning-progress-strip{
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  color:#687b74!important;
  font-size:13px!important;
  font-weight:650!important;
}
.learning-shell.is-video .learning-progress-strip span:last-child{
  color:#152a26!important;
  font-size:13px!important;
  font-weight:850!important;
}
.learning-shell.is-video .learning-progress-bar{
  height:6px!important;
  background:#e5efe9!important;
}
.learning-shell.is-video .learning-now .section-kicker{
  color:#08735f!important;
  font-size:12px!important;
  font-weight:800!important;
}
.learning-shell.is-video .learning-now h1{
  color:#152a26!important;
  font-size:24px!important;
  line-height:1.28!important;
  letter-spacing:0!important;
}
.learning-shell.is-video .learning-now p{
  color:#66736d!important;
  font-size:14px!important;
  line-height:1.6!important;
}
.learning-shell.is-video .video-main{
  margin-inline:0!important;
  overflow:hidden!important;
  border-radius:12px!important;
  box-shadow:none!important;
}
.learning-shell.is-video .learning-comments{
  margin-top:34px!important;
  padding-top:28px!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
}
.learning-shell.is-video .le-card{
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.learning-shell.is-video .le-card.le-comments .le-head b{
  color:#152a26!important;
  font-size:24px!important;
  line-height:1.25!important;
  letter-spacing:0!important;
}
.learning-shell.is-video .le-card.le-comments .le-head span{
  color:#687b74!important;
  font-size:13px!important;
}
.learning-shell.is-video .learning-outline.detail-directory-sidebar{
  position:sticky!important;
  top:102px!important;
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.learning-shell.is-video .reader-directory-head{
  align-items:center!important;
  padding-bottom:18px!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
.learning-shell.is-video .reader-directory-head b{
  color:#152a26!important;
  font-size:24px!important;
  line-height:1.25!important;
  letter-spacing:0!important;
}
.learning-shell.is-video .reader-directory-head span{
  color:#687b74!important;
  font-size:13px!important;
}
.learning-shell.is-video .reader-directory-list{
  margin-top:2px!important;
}
.learning-shell.is-video .reader-course-toc-title{
  color:#152a26!important;
  font-size:15px!important;
  line-height:1.4!important;
}
.learning-shell.is-video .reader-course-toc-link{
  padding-left:0!important;
  background:transparent!important;
}
.learning-shell.is-video .reader-course-toc-link.is-current{
  color:var(--brand)!important;
  background:transparent!important;
}
.learning-shell.is-video .reader-course-toc-link.is-current .reader-course-toc-number,
.learning-shell.is-video .reader-course-toc-link.is-current .reader-course-toc-title{
  color:var(--brand)!important;
}
.learning-shell.is-video .article-bottom-nav{
  margin-top:20px!important;
}
.learning-shell.is-video .article-bottom-nav .article-prev{
  border-color:rgba(18,35,29,.12)!important;
  background:transparent!important;
}
.learning-shell.is-video .article-bottom-nav .article-next{
  background:#08735f!important;
  box-shadow:none!important;
}
.learning-shell.is-video .article-bottom-nav .article-share-action{
  background:transparent!important;
  border-color:rgba(18,35,29,.12)!important;
}
@media(max-width:720px){
  .learning-shell.is-video .learning-grid{
    width:calc(100% - 32px)!important;
    padding-top:18px!important;
    grid-template-columns:minmax(0,1fr)!important;
    gap:0!important;
  }
  .learning-shell.is-video .learning-now{
    gap:11px!important;
    margin-bottom:16px!important;
    padding-bottom:16px!important;
  }
  .learning-shell.is-video .learning-progress-strip,
  .learning-shell.is-video .learning-progress-strip span:last-child{
    font-size:11px!important;
  }
  .learning-shell.is-video .learning-now h1{
    font-size:20px!important;
  }
  .learning-shell.is-video .learning-now p{
    font-size:12px!important;
  }
  .learning-shell.is-video .video-main{
    border-radius:10px!important;
  }
  .learning-shell.is-video .learning-comments{
    margin-top:26px!important;
    padding-top:22px!important;
  }
  .learning-shell.is-video .le-card.le-comments .le-head b{
    font-size:18px!important;
  }
  .learning-shell.is-video .le-card.le-comments .le-head span{
    font-size:11px!important;
  }
  .learning-shell.is-video .reader-directory-head b{
    font-size:18px!important;
  }
  .learning-shell.is-video .reader-directory-head span{
    font-size:11px!important;
  }
  .learning-shell.is-video .reader-course-toc-title{
    font-size:14px!important;
  }
}

/* v321：视频播放页严格对齐参考学习台；顶栏、真实进度、内嵌课程目录成套落地。图文阅读页保持原样。 */
body.learning-video > .learning-top .learning-reader-utility{
  display:grid!important;
  grid-template-columns:auto minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:10px!important;
}
body.learning-video > .learning-top .learning-back{
  grid-column:1!important;
  grid-row:1!important;
}
body.learning-video > .learning-top .learning-top-title{
  grid-column:2!important;
  grid-row:1!important;
}
body.learning-video > .learning-top .reader-utility-course{
  display:block!important;
  grid-column:3!important;
  grid-row:1!important;
  justify-self:end!important;
  min-width:0!important;
}
body.learning-video > .learning-top .learning-back{
  overflow:hidden;
  max-width:104px;
  color:#08735f!important;
  font-size:13px!important;
  font-weight:800!important;
  text-decoration:none!important;
  white-space:nowrap!important;
  text-overflow:ellipsis!important;
}
body.learning-video > .learning-top .learning-top-title{
  overflow:hidden;
  min-width:0;
  color:#152a26!important;
  font-size:16px!important;
  line-height:1.28!important;
  font-weight:850!important;
  text-align:center!important;
  white-space:nowrap!important;
  text-overflow:ellipsis!important;
}
body.learning-video > .learning-top .learning-directory-trigger{
  min-height:34px!important;
  padding:6px 11px!important;
  border:1px solid rgba(8,115,95,.22)!important;
  border-radius:999px!important;
  background:#fff!important;
  color:#08735f!important;
  font-size:12px!important;
  font-weight:850!important;
  white-space:nowrap!important;
}
body.learning-video > .learning-top .learning-directory-trigger .reader-menu-icon{
  background:linear-gradient(#08735f,#08735f) 0 0/15px 1.6px no-repeat,linear-gradient(#08735f,#08735f) 0 5px/11px 1.6px no-repeat,linear-gradient(#08735f,#08735f) 0 10px/15px 1.6px no-repeat!important;
}
body.learning-video > .learning-top .reader-utility-course.is-open .learning-directory-trigger{
  color:#08735f!important;
}
.learning-shell.is-video .learning-grid{
  padding-top:12px!important;
}
.learning-shell.is-video{
  padding-top:0!important;
}
.learning-shell.is-video .learning-now{
  gap:12px!important;
  margin:0 0 20px!important;
  padding:0 0 20px!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
.learning-shell.is-video .learning-progress-strip{
  padding:13px 14px!important;
  border:1px solid rgba(18,35,29,.08)!important;
  border-radius:14px!important;
  background:#fff!important;
  box-shadow:0 5px 16px rgba(24,55,45,.04)!important;
}
.learning-shell.is-video .learning-progress-strip span:first-child{
  color:#66736d!important;
  font-size:12px!important;
  font-weight:650!important;
}
.learning-shell.is-video .learning-progress-strip span:last-child{
  color:#66736d!important;
  font-size:12px!important;
  font-weight:650!important;
}
.learning-shell.is-video .learning-progress-strip span:last-child b{
  color:#08735f!important;
  font-size:15px!important;
  font-weight:900!important;
}
.learning-shell.is-video .learning-now h1{
  color:#152a26!important;
  font-size:20px!important;
  line-height:1.32!important;
  font-weight:850!important;
}
.learning-shell.is-video .learning-now p{
  color:#66736d!important;
  font-size:13px!important;
  line-height:1.6!important;
}
.learning-shell.is-video .learning-comments{
  margin-top:28px!important;
  padding-top:24px!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
}
.learning-shell.is-video .le-card{
  padding:16px!important;
  border:1px solid rgba(18,35,29,.08)!important;
  border-radius:16px!important;
  background:#fff!important;
  box-shadow:0 5px 16px rgba(24,55,45,.04)!important;
}
.learning-shell.is-video .le-card.le-comments .le-head b{
  color:#152a26!important;
  font-size:18px!important;
  line-height:1.3!important;
  font-weight:850!important;
}
@media(min-width:721px){
  body.learning-video .learning-shell.is-video .learning-directory-inline{display:none!important}
}
@media(max-width:720px){
  .learning-shell.is-video .learning-outline{display:none!important}
  .learning-shell.is-video .learning-grid{
    padding-top:10px!important;
    width:calc(100% - 32px)!important;
  }
  body.learning-video > .learning-top .learning-reader-utility{gap:7px!important}
  body.learning-video > .learning-top .learning-back{max-width:84px;font-size:12px!important}
  body.learning-video > .learning-top .learning-top-title{font-size:14px!important}
  body.learning-video > .learning-top .learning-directory-trigger{min-height:32px!important;padding:5px 9px!important;font-size:11px!important}
  .learning-shell.is-video .learning-progress-strip span:first-child,
  .learning-shell.is-video .learning-progress-strip span:last-child{font-size:11px!important}
  .learning-shell.is-video .learning-progress-strip span:last-child b{font-size:14px!important}
  .learning-shell.is-video .learning-now h1{font-size:18px!important}
  .learning-shell.is-video .learning-now p{font-size:12px!important}
  .learning-shell.is-video .learning-directory-inline{
    order:2!important;
    margin-top:22px!important;
    padding:14px!important;
    border:1px solid rgba(18,35,29,.08)!important;
    border-radius:16px!important;
    background:#fff!important;
    box-shadow:0 5px 16px rgba(24,55,45,.04)!important;
  }
  .learning-shell.is-video .learning-directory-inline-head{
    display:flex!important;
    align-items:center!important;
    justify-content:space-between!important;
    gap:10px!important;
    padding-bottom:12px!important;
    border-bottom:1px solid rgba(18,35,29,.07)!important;
  }
  .learning-shell.is-video .learning-directory-inline-head b{
    display:flex!important;
    align-items:center!important;
    gap:7px!important;
    color:#152a26!important;
    font-size:16px!important;
    line-height:1.25!important;
    font-weight:850!important;
  }
  .learning-shell.is-video .learning-directory-inline-head b::before{
    width:14px;height:12px;content:'';
    background:linear-gradient(#08735f,#08735f) 0 0/14px 1.6px no-repeat,linear-gradient(#08735f,#08735f) 0 5px/10px 1.6px no-repeat,linear-gradient(#08735f,#08735f) 0 10px/14px 1.6px no-repeat;
  }
  .learning-shell.is-video .learning-directory-inline-head span{
    display:none!important;
  }
  .learning-shell.is-video .learning-directory-expand{
    display:inline-flex!important;
    align-items:center!important;
    min-height:28px!important;
    padding:0 8px!important;
    border:0!important;
    border-radius:999px!important;
    background:transparent!important;
    color:#66736d!important;
    font-size:11px!important;
    font-weight:750!important;
    white-space:nowrap!important;
    cursor:pointer!important;
  }
  .learning-shell.is-video .learning-directory-expand i{
    font-style:normal;font-size:12px;line-height:1;
  }
  .learning-shell.is-video .learning-directory-inline-body{margin-top:12px!important}
  .learning-shell.is-video .learning-directory-inline .v2-directory-section{
    overflow:hidden!important;
    margin:0 0 9px!important;
    border:1px solid rgba(18,35,29,.07)!important;
    border-radius:12px!important;
    background:#fbfcf8!important;
  }
  .learning-shell.is-video .learning-directory-inline .v2-directory-section:last-child{margin-bottom:0!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle{
    grid-template-columns:auto minmax(0,1fr) auto!important;
    padding:12px 13px!important;
  }
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle>span{
    color:#08735f!important;
    font-size:12px!important;
    font-weight:850!important;
  }
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3::before{
    margin-right:7px;
    color:#66736d!important;
    content:'·';
    font-weight:600;
  }
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle small{display:none!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{
    overflow:hidden;
    min-width:0;
    color:#152a26!important;
    font-size:14px!important;
    line-height:1.35!important;
    font-weight:820!important;
    white-space:nowrap!important;
    text-overflow:ellipsis!important;
  }
  .learning-shell.is-video .learning-directory-inline .directory-section-body{padding:0 7px 7px!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter{
    grid-template-columns:28px minmax(0,1fr) auto!important;
    gap:9px!important;
    padding:11px 7px!important;
    border-bottom:1px solid rgba(18,35,29,.06)!important;
    border-radius:9px!important;
    background:transparent!important;
  }
  .learning-shell.is-video .learning-directory-inline .v2-chapter:last-child{border-bottom:0!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter-no{
    width:23px!important;height:23px!important;border-radius:50%!important;
    background:#e5f2ed!important;color:#08735f!important;font-size:10px!important;font-weight:850!important;
  }
  .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{
    color:#152a26!important;font-size:13px!important;line-height:1.45!important;font-weight:750!important;
  }
  .learning-shell.is-video .learning-directory-inline .v2-chapter-state{
    max-width:70px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
    color:#66736d!important;font-size:11px!important;font-weight:750!important;
  }
  .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
    background:#e8f4f0!important;
    box-shadow:inset 3px 0 0 #08735f!important;
  }
  .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-main b,
  .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-state{color:#08735f!important}
.learning-shell.is-video .learning-directory-inline .learning-directory-chapter--done .v2-chapter-state{color:#08735f!important}
.learning-shell.is-video .learning-directory-inline .learning-directory-chapter--locked .v2-chapter-state{color:#8b9691!important}
.learning-shell.is-video .le-card{padding:14px!important}
}

/* v322：学习页统一首页/课程中心的透明分区与字号；视频目录支持收起与局部换课。图文阅读只统一视觉，不改阅读方式。 */
body.route-learning{background:var(--bg)!important}
body.route-learning .learning-top{background:rgba(255,253,248,.94)!important}
.learning-shell.is-video,
.learning-shell.is-article{background:var(--bg)!important;color:var(--ink)!important;padding-bottom:72px!important}
.learning-shell.is-video .learning-grid{
  box-sizing:border-box!important;
  width:min(calc(100% - 48px),1180px)!important;
  max-width:none!important;
  margin-inline:auto!important;
  padding:12px 0 0!important;
}
.learning-shell.is-article .learning-grid{
  box-sizing:border-box!important;
  width:min(calc(100% - 48px),1180px)!important;
  max-width:none!important;
  margin-inline:auto!important;
  padding:12px 0 0!important;
}
.learning-shell.is-video .learning-main-stack,
.learning-shell.is-article .learning-player{
  min-width:0!important;
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.learning-shell.is-video .learning-now{gap:12px!important;margin:0 0 20px!important;padding:0 0 20px!important;border-bottom:1px solid rgba(18,35,29,.08)!important}
.learning-shell.is-video .learning-progress-strip{padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}
.learning-shell.is-video .learning-progress-strip span:first-child,
.learning-shell.is-video .learning-progress-strip span:last-child{color:#66736d!important;font-size:13px!important;font-weight:650!important}
.learning-shell.is-video .learning-progress-strip span:last-child b{color:#08735f!important;font-size:15px!important;font-weight:900!important}
.learning-shell.is-video .learning-now .section-kicker{color:#08735f!important;font-size:12px!important;font-weight:800!important}
.learning-shell.is-video .learning-now h1{color:#152a26!important;font-size:24px!important;line-height:1.28!important;font-weight:850!important;letter-spacing:0!important}
.learning-shell.is-video .learning-now p{color:#66736d!important;font-size:14px!important;line-height:1.6!important}
.learning-shell.is-video .video-main{margin-inline:0!important;overflow:hidden!important;border-radius:12px!important;box-shadow:none!important}
.learning-shell.is-video .learning-comments,
.learning-shell.is-article .learning-comments{margin-top:28px!important;padding-top:24px!important;border-top:1px solid rgba(18,35,29,.08)!important}
.learning-shell.is-video .le-card,
.learning-shell.is-article .le-card{padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}
.learning-shell.is-video .le-card.le-comments .le-head b,
.learning-shell.is-article .le-card.le-comments .le-head b{color:#152a26!important;font-size:24px!important;line-height:1.25!important;font-weight:850!important}
.learning-shell.is-video .le-card.le-comments .le-head span,
.learning-shell.is-article .le-card.le-comments .le-head span{color:#687b74!important;font-size:13px!important}
.learning-shell.is-video .learning-outline.detail-directory-sidebar{
  position:sticky!important;top:102px!important;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;
}
.learning-shell.is-video .reader-directory-head,
.learning-shell.is-article .learning-outline-head{align-items:center!important;padding-bottom:16px!important;border-bottom:1px solid rgba(18,35,29,.08)!important}
.learning-shell.is-video .reader-directory-head b,
.learning-shell.is-article .learning-outline-head b{color:#152a26!important;font-size:24px!important;line-height:1.25!important;font-weight:850!important;letter-spacing:0!important}
.learning-shell.is-video .reader-directory-head span,
.learning-shell.is-article .learning-outline-head span{color:#687b74!important;font-size:13px!important}
.learning-shell.is-video .reader-course-toc-title{color:#152a26!important;font-size:15px!important;line-height:1.4!important}
.learning-shell.is-video .reader-course-toc-link{padding-left:0!important;background:transparent!important}
.learning-shell.is-video .reader-course-toc-link.is-current,
.learning-shell.is-video .reader-course-toc-link.is-current .reader-course-toc-number,
.learning-shell.is-video .reader-course-toc-link.is-current .reader-course-toc-title{color:var(--brand)!important;background:transparent!important}
.learning-shell.is-video .article-bottom-nav .article-prev{border-color:rgba(18,35,29,.12)!important;background:transparent!important}
.learning-shell.is-video .article-bottom-nav .article-next{background:#08735f!important;box-shadow:none!important}
.learning-shell.is-video .article-bottom-nav .article-share-action{background:transparent!important;border-color:rgba(18,35,29,.12)!important}

.learning-shell.is-article .learning-outline--desktop{
  position:sticky!important;top:102px!important;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;
}
.learning-shell.is-article .article-reading-head{padding:0 0 18px!important;border-bottom:1px solid rgba(18,35,29,.08)!important;background:transparent!important}
.learning-shell.is-article .article-reading-head .section-kicker{color:#08735f!important;font-size:12px!important;font-weight:800!important}
.learning-shell.is-article .article-reading-head h1{color:#152a26!important;font-size:24px!important;line-height:1.28!important;font-weight:850!important;letter-spacing:0!important}
.learning-shell.is-article .article-reading-head p{color:#66736d!important;font-size:14px!important;line-height:1.6!important}
.learning-shell.is-article .learning-article{max-width:var(--reader-max)!important;color:#3f4f49!important;font-size:15px!important;line-height:1.72!important}
.learning-shell.is-article .learning-article h2{color:#152a26!important;border-bottom:1px solid rgba(18,35,29,.08)!important;font-size:19px!important;line-height:1.35!important}
.learning-shell.is-article .learning-article h3{color:#152a26!important;font-size:17px!important;line-height:1.4!important}
.learning-shell.is-article .article-page-toc{padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}
.learning-shell.is-article .article-toc-head{padding-bottom:16px!important;border-bottom:1px solid rgba(18,35,29,.08)!important;color:#152a26!important;font-size:24px!important;font-weight:850!important;line-height:1.25!important}
.learning-shell.is-article .article-reading-actions{display:none!important}
.learning-shell.is-article .article-bottom-nav{border:0!important;background:transparent!important}
.learning-shell.is-article .article-bottom-nav .article-prev,
.learning-shell.is-article .article-bottom-nav .article-next{
  display:inline-flex!important;align-items:center!important;justify-content:center!important;min-height:46px!important;padding:12px 14px!important;
  border-radius:999px!important;color:#152a26!important;font-size:13px!important;font-weight:800!important;text-decoration:none!important;
  overflow:hidden!important;white-space:nowrap!important;text-overflow:ellipsis!important;
}
.learning-shell.is-article .article-bottom-nav .article-prev{border:1px solid rgba(18,35,29,.12)!important;background:transparent!important}
.learning-shell.is-article .article-bottom-nav .article-next{border:1px solid transparent!important;background:#08735f!important;color:#fff!important}
.learning-shell.is-article .article-share-action{background:transparent!important;border-color:rgba(18,35,29,.12)!important}
.learning-shell.is-article .article-paywall{
  box-sizing:border-box!important;
  max-width:var(--reader-max)!important;
  margin:28px 0 0!important;
  padding:24px 0 0!important;
  border:0!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  text-align:center!important;
}
.learning-shell.is-article .article-paywall h2{color:#152a26!important;font-size:24px!important;line-height:1.25!important;font-weight:850!important}
.learning-shell.is-article .article-paywall-copy{color:#66736d!important;font-size:14px!important;line-height:1.6!important}
.learning-shell.is-article .article-paywall-note{color:#687b74!important;font-size:13px!important}
.learning-shell.is-article .article-paywall-actions{margin-top:20px!important}
.learning-shell .le-comment-form textarea{
  background:rgba(255,255,255,.68)!important;
  border-color:rgba(18,35,29,.12)!important;
  font-size:14px!important;line-height:1.6!important;
}
.learning-shell .le-comment-form textarea:focus{border-color:rgba(8,115,95,.42)!important}
.learning-shell .le-empty{
  background:transparent!important;
  border-color:rgba(18,35,29,.14)!important;
  color:#66736d!important;font-size:13px!important;
}

@media(max-width:720px){
  .learning-shell.is-video .learning-grid,
  .learning-shell.is-article .learning-grid{
    width:calc(100% - 32px)!important;
    padding-top:10px!important;
  }
  .learning-shell.is-video .learning-progress-strip span:first-child,
  .learning-shell.is-video .learning-progress-strip span:last-child{font-size:11px!important}
  .learning-shell.is-video .learning-progress-strip span:last-child b{font-size:14px!important}
  .learning-shell.is-video .learning-now h1,
  .learning-shell.is-video .le-card.le-comments .le-head b,
  .learning-shell.is-video .reader-directory-head b,
  .learning-shell.is-article .article-reading-head h1,
  .learning-shell.is-article .le-card.le-comments .le-head b,
  .learning-shell.is-article .article-toc-head{font-size:18px!important}
  .learning-shell.is-video .learning-now p,
  .learning-shell.is-article .article-reading-head p{font-size:12px!important}
  .learning-shell.is-video .reader-course-toc-title,
  .learning-shell.is-article .learning-article{font-size:13px!important}
  .learning-shell.is-article .learning-article h2{font-size:16px!important}
  .learning-shell.is-article .learning-article h3{font-size:15px!important}
  .learning-shell.is-article .article-bottom-nav .article-prev,
  .learning-shell.is-article .article-bottom-nav .article-next{min-height:44px!important;font-size:12px!important}
  .learning-shell.is-article .article-paywall h2{font-size:18px!important}
  .learning-shell.is-article .article-paywall-copy,
  .learning-shell.is-article .article-paywall-note{font-size:12px!important}
  .learning-shell.is-article .article-paywall{margin-top:22px!important;padding-top:20px!important}
  .learning-shell.is-video .learning-directory-inline{
    order:2!important;
    margin-top:22px!important;
    padding:0!important;
    border:0!important;
    border-radius:0!important;
    background:transparent!important;
    box-shadow:none!important;
  }
  .learning-shell.is-video .learning-directory-inline-head{
    align-items:center!important;
    gap:10px!important;
    padding-bottom:12px!important;
    border-bottom:1px solid rgba(18,35,29,.08)!important;
  }
  .learning-shell.is-video .learning-directory-inline-head b{color:#152a26!important;font-size:18px!important;line-height:1.25!important;font-weight:850!important}
  .learning-shell.is-video .learning-directory-inline-body{margin-top:8px!important}
  .learning-shell.is-video .learning-directory-inline.is-directory-collapsed .learning-directory-inline-body{display:none!important}
  .learning-shell.is-video .learning-directory-inline .v2-directory-section{
    overflow:visible!important;
    margin:0!important;
    border:0!important;
    border-bottom:1px solid rgba(18,35,29,.08)!important;
    border-radius:0!important;
    background:transparent!important;
  }
  .learning-shell.is-video .learning-directory-inline .v2-directory-section:last-child{border-bottom:0!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle{
    grid-template-columns:auto minmax(0,1fr) auto!important;
    padding:14px 0 12px!important;
    border:0!important;
    background:transparent!important;
  }
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle:hover,
  .learning-shell.is-video .learning-directory-inline .v2-directory-section:not(.is-collapsed)>.directory-section-toggle{background:transparent!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle>span{color:#08735f!important;font-size:12px!important;font-weight:850!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{color:#152a26!important;font-size:15px!important;font-weight:850!important;white-space:normal!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle i{color:#66736d!important;font-size:16px!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-body{padding:0 0 6px!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter{
    grid-template-columns:24px minmax(0,1fr) auto!important;
    gap:10px!important;
    padding:12px 0!important;
    border-bottom:1px solid rgba(18,35,29,.06)!important;
    border-radius:0!important;
    background:transparent!important;
  }
  .learning-shell.is-video .learning-directory-inline .v2-chapter:last-child{border-bottom:0!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter-no{
    width:22px!important;height:22px!important;border-radius:50%!important;background:transparent!important;color:#66736d!important;font-size:10px!important;font-weight:850!important;
  }
  .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{color:#152a26!important;font-size:13px!important;line-height:1.45!important;font-weight:750!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter-state{color:#66736d!important;font-size:11px!important;font-weight:750!important}
  .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
    background:rgba(7,95,80,.06)!important;box-shadow:inset 3px 0 0 #08735f!important;border-radius:8px!important;padding-inline:8px!important;
  }
  .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-main b,
  .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-state{color:#08735f!important}
}

/* v323：视频播放页按参考学习台重构；背景、轨道和字号沿用首页/课程中心。图文阅读页结构与 v322 完全保持不变。 */
body.learning-video .learning-actionbar{
  position:fixed;
  left:50%;
  bottom:calc(64px + env(safe-area-inset-bottom, 0px));
  transform:translateX(-50%);
  z-index:120;
  display:none;
  width:min(100% - 20px,540px);
  grid-template-columns:.78fr 1.05fr 1.55fr;
  gap:8px;
  padding:10px 0 calc(10px + env(safe-area-inset-bottom, 0px));
}
body.learning-video .learning-actionbar-directory,
body.learning-video .learning-actionbar-prev,
body.learning-video .learning-actionbar-next{
  display:inline-flex!important;
  align-items:center;
  justify-content:center;
  min-width:0;
  min-height:46px;
  border:0;
  border-radius:999px;
  box-shadow:0 8px 24px rgba(16,46,39,.12);
  color:#152a26;
  font-size:13px;
  font-weight:850;
  line-height:1;
  text-align:center;
  text-decoration:none;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  background:#fff;
  cursor:pointer;
}
body.learning-video .learning-actionbar-directory::before{
  flex:0 0 auto;
  width:15px;
  height:12px;
  content:'';
  background:linear-gradient(#152a26,#152a26) 0 0/15px 1.7px no-repeat,linear-gradient(#152a26,#152a26) 0 5px/11px 1.7px no-repeat,linear-gradient(#152a26,#152a26) 0 10px/15px 1.7px no-repeat;
}
body.learning-video .learning-actionbar-directory:active,
body.learning-video .learning-actionbar-prev:active{transform:translateY(1px)}
body.learning-video .learning-actionbar-prev.is-disabled{opacity:.52;cursor:not-allowed}
body.learning-video .learning-actionbar-next{
  background:#08735f;
  color:#fff;
}
body.learning-video .learning-actionbar-next.is-done{background:#eaf3ef;color:#66736d}

.learning-shell.is-video .learning-grid{
  grid-template-columns:minmax(0,1fr)!important;
  width:min(calc(100% - 48px),980px)!important;
  padding-top:14px!important;
}
.learning-shell.is-video .learning-outline.detail-directory-sidebar{display:none!important}
.learning-shell.is-video .learning-main-stack{min-width:0!important}
.learning-shell.is-video .learning-now{
  margin:0 0 18px!important;
  padding:0!important;
  border-bottom:0!important;
  background:transparent!important;
}
.learning-shell.is-video .learning-progress-strip{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:4px 12px!important;
  margin:0 0 16px!important;
  padding:15px 16px!important;
  border:1px solid rgba(18,35,29,.07)!important;
  border-radius:16px!important;
  background:#fff!important;
  box-shadow:0 8px 22px rgba(25,60,50,.05)!important;
}
.learning-shell.is-video .learning-progress-strip span:first-child,
.learning-shell.is-video .learning-progress-strip span:last-child{
  color:#66736d!important;
  font-size:13px!important;
  line-height:1.3!important;
  font-weight:700!important;
}
.learning-shell.is-video .learning-progress-strip span:last-child b{color:#08735f!important;font-size:18px!important;font-weight:900!important}
.learning-shell.is-video .learning-progress-bar{
  grid-column:1/-1!important;
  width:100%!important;
  height:6px!important;
  margin:0!important;
  border-radius:999px!important;
  background:#e8f1ec!important;
  overflow:hidden!important;
}
.learning-shell.is-video .learning-progress-bar i{
  display:block!important;
  width:var(--learning-progress,0%)!important;
  height:100%!important;
  border-radius:999px!important;
  background:#08735f!important;
}
.learning-shell.is-video .learning-now .section-kicker{
  display:inline-flex!important;
  align-items:center!important;
  width:fit-content!important;
  margin:0 0 10px!important;
  padding:6px 11px!important;
  border-radius:999px!important;
  background:rgba(8,115,95,.08)!important;
  color:#08735f!important;
  font-size:12px!important;
  font-weight:850!important;
  line-height:1!important;
}
.learning-shell.is-video .learning-now .section-kicker::before{display:none!important}
.learning-shell.is-video .article-bottom-nav .article-nav-placeholder{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:46px!important;
  padding:11px 14px!important;
  border-radius:999px!important;
  background:#fff!important;
  color:rgba(21,42,38,.38)!important;
  font-size:13px!important;
  font-weight:850!important;
}
.learning-shell.is-video .article-bottom-nav .article-nav-placeholder::before{content:'‹ 上一节'}
.learning-shell.is-video .learning-now h1{
  margin:0 0 7px!important;
  color:#152a26!important;
  font-size:27px!important;
  line-height:1.24!important;
  font-weight:880!important;
  letter-spacing:-.015em!important;
}
.learning-shell.is-video .learning-now p{
  margin:0!important;
  color:#687872!important;
  font-size:14px!important;
  line-height:1.55!important;
}
.learning-shell.is-video .video-main{
  overflow:hidden!important;
  border:0!important;
  border-radius:18px!important;
  box-shadow:0 16px 38px rgba(9,25,22,.16)!important;
}
.learning-shell.is-video .article-bottom-nav{
  display:grid!important;
  grid-template-columns:.82fr 1.55fr!important;
  align-items:center!important;
  gap:10px!important;
  margin:14px 0 0!important;
  border:0!important;
  background:transparent!important;
}
.learning-shell.is-video .article-bottom-nav .article-prev,
.learning-shell.is-video .article-bottom-nav .article-next{
  display:inline-flex!important;
  align-items:center;
  justify-content:center;
  min-width:0;
  min-height:46px;
  padding:11px 14px!important;
  border:0!important;
  border-radius:999px!important;
  box-shadow:0 8px 24px rgba(16,46,39,.1);
  color:#152a26!important;
  font-size:13px!important;
  font-weight:850!important;
  text-decoration:none!important;
  white-space:nowrap!important;
  overflow:hidden!important;
  text-overflow:ellipsis!important;
}
.learning-shell.is-video .article-bottom-nav .article-prev{background:#fff!important}
.learning-shell.is-video .article-bottom-nav .article-next{background:#08735f!important;color:#fff!important}
.learning-shell.is-video .article-bottom-nav .article-share-action{display:none!important}
.learning-shell.is-video .learning-comments{margin:24px 0 0!important;padding:0!important;border-top:0!important}
.learning-shell.is-video .le-card{
  padding:18px!important;
  border:1px solid rgba(18,35,29,.07)!important;
  border-radius:16px!important;
  background:#fff!important;
  box-shadow:0 8px 22px rgba(25,60,50,.05)!important;
}
.learning-shell.is-video .le-card.le-comments .le-head{
  align-items:center!important;
  margin-bottom:14px!important;
  padding-bottom:14px!important;
  border-bottom:1px solid rgba(18,35,29,.07)!important;
}
.learning-shell.is-video .le-card.le-comments .le-head b{color:#152a26!important;font-size:20px!important;line-height:1.25!important;font-weight:880!important}
.learning-shell.is-video .le-card.le-comments .le-head span{color:#687872!important;font-size:13px!important}
.learning-shell.is-video .le-comment-form{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:10px!important;
  margin-bottom:16px!important;
}
.learning-shell.is-video .le-comment-form textarea{
  width:100%;
  min-height:44px;
  max-height:96px;
  padding:11px 14px;
  border:1px solid rgba(18,35,29,.12)!important;
  border-radius:999px!important;
  background:#fff!important;
  color:#152a26!important;
  font-size:14px!important;
  line-height:1.5!important;
  resize:none!important;
  overflow-y:auto;
  box-shadow:none!important;
}
.learning-shell.is-video .le-comment-form textarea:focus{border-color:rgba(8,115,95,.45)!important;outline:none!important}
.learning-shell.is-video .le-comment-imgs{grid-column:1/-1!important;margin:0!important}
.learning-shell.is-video .le-comment-tools{display:flex!important;align-items:center!important;gap:8px!important;justify-content:flex-end!important;margin:0!important}
.learning-shell.is-video .le-comment-tools #commentPickImg{
  display:inline-grid!important;
  place-items:center!important;
  width:44px!important;
  min-width:44px!important;
  min-height:44px!important;
  padding:0!important;
  border:1px solid rgba(18,35,29,.12)!important;
  border-radius:999px!important;
  background:#fff!important;
  color:#66736d!important;
  font-size:15px!important;
}
.learning-shell.is-video .le-comment-tools #commentPickImg{font-size:0!important;color:transparent!important}
.learning-shell.is-video .le-comment-tools #commentPickImg::before{content:'📷';color:#66736d!important;font-size:15px!important;line-height:1}
.learning-shell.is-video .le-comment-tools #commentSubmit{
  min-width:88px!important;
  min-height:44px!important;
  padding:0 19px!important;
  border-radius:999px!important;
  background:#08735f!important;
  color:#fff!important;
  font-size:13px!important;
  font-weight:850!important;
}
.learning-shell.is-video .le-comment-tools #commentSubmit{font-size:0!important}
.learning-shell.is-video .le-comment-tools #commentSubmit::after{content:'发送';font-size:12px!important;font-weight:850!important}
.learning-shell.is-video .learning-directory-inline{
  display:block!important;
  order:3!important;
  margin:24px 0 0!important;
  padding:18px!important;
  border:1px solid rgba(18,35,29,.07)!important;
  border-radius:16px!important;
  background:#fff!important;
  box-shadow:0 8px 22px rgba(25,60,50,.05)!important;
}
.learning-shell.is-video .learning-directory-inline-head{
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:12px!important;
  margin:0!important;
  padding-bottom:14px!important;
  border-bottom:1px solid rgba(18,35,29,.07)!important;
}
.learning-shell.is-video .learning-directory-inline-head b{
  display:inline-flex!important;
  align-items:center!important;
  gap:9px!important;
  margin:0!important;
  color:#152a26!important;
  font-size:20px!important;
  line-height:1.25!important;
  font-weight:880!important;
}
.learning-shell.is-video .learning-directory-inline-head b::before{
  flex:0 0 auto;
  width:17px;
  height:14px;
  content:'';
  background:linear-gradient(#08735f,#08735f) 0 0/17px 1.7px no-repeat,linear-gradient(#08735f,#08735f) 0 6px/12px 1.7px no-repeat,linear-gradient(#08735f,#08735f) 0 12px/17px 1.7px no-repeat;
}
.learning-shell.is-video .learning-directory-inline-head span{color:#687872!important;font-size:13px!important}
.learning-shell.is-video .learning-directory-expand{
  display:inline-flex!important;
  align-items:center;
  gap:4px;
  min-height:30px;
  padding:0 4px!important;
  border:0!important;
  background:transparent!important;
  color:#66736d!important;
  font-size:12px!important;
  font-weight:750!important;
  cursor:pointer!important;
}
.learning-shell.is-video .learning-directory-inline-body{margin-top:14px!important}
.learning-shell.is-video .learning-directory-inline .v2-directory-section{
  overflow:hidden!important;
  margin:0 0 10px!important;
  border:1px solid rgba(18,35,29,.06)!important;
  border-radius:14px!important;
  background:#f8fbf9!important;
}
.learning-shell.is-video .learning-directory-inline .v2-directory-section:last-child{margin-bottom:0!important}
.learning-shell.is-video .learning-directory-inline .directory-section-toggle{
  grid-template-columns:auto minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:9px!important;
  width:100%!important;
  min-height:46px!important;
  padding:11px 13px!important;
  border:0!important;
  background:transparent!important;
  text-align:left!important;
  cursor:pointer!important;
}
.learning-shell.is-video .learning-directory-inline .directory-section-toggle>span{color:#08735f!important;font-size:12px!important;font-weight:850!important;white-space:nowrap!important}
.learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{margin:0!important;color:#152a26!important;font-size:15px!important;line-height:1.35!important;font-weight:850!important}
.learning-shell.is-video .learning-directory-inline .directory-section-toggle small{display:none!important}
.learning-shell.is-video .learning-directory-inline .directory-section-toggle i{color:#66736d!important;font-style:normal!important;font-size:16px!important}
.learning-shell.is-video .learning-directory-inline .directory-section-body{padding:0 9px 9px!important;background:#fff!important}
.learning-shell.is-video .learning-directory-inline .v2-chapter{
  grid-template-columns:29px minmax(0,1fr) auto!important;
  align-items:center!important;
  gap:11px!important;
  padding:11px 8px!important;
  border-bottom:1px solid rgba(18,35,29,.06)!important;
  border-radius:10px!important;
  background:transparent!important;
}
.learning-shell.is-video .learning-directory-inline .v2-chapter:last-child{border-bottom:0!important}
.learning-shell.is-video .learning-directory-inline .v2-chapter-no{
  display:grid!important;
  place-items:center!important;
  width:26px!important;
  height:26px!important;
  border-radius:50%!important;
  background:#eaf4f0!important;
  color:#08735f!important;
  font-size:11px!important;
  font-weight:850!important;
}
.learning-shell.is-video .learning-directory-inline .v2-chapter-main b{
  display:block!important;
  overflow:hidden!important;
  color:#152a26!important;
  font-size:14px!important;
  line-height:1.42!important;
  font-weight:780!important;
  text-overflow:ellipsis!important;
  white-space:nowrap!important;
}
.learning-shell.is-video .learning-directory-inline .v2-chapter-state{color:#66736d!important;font-size:12px!important;font-weight:750!important;white-space:nowrap!important}
.learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
  background:#e9f5f1!important;
  box-shadow:inset 3px 0 0 #08735f!important;
}
.learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-main b,
.learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-state{color:#08735f!important}
.learning-shell.is-video .learning-directory-inline .learning-directory-chapter--done .v2-chapter-state{color:#08735f!important}
.learning-shell.is-video .learning-directory-inline .learning-directory-chapter--locked .v2-chapter-state{color:#8b9691!important}

@media(max-width:720px){
  body.learning-video .learning-actionbar{display:grid!important}
  body.route-learning.learning-video .back-top{bottom:calc(122px + env(safe-area-inset-bottom,0px))!important}
  body.route-learning.learning-video #serviceContactBtn{bottom:calc(178px + env(safe-area-inset-bottom,0px))!important}
  .learning-shell.is-video{padding-bottom:168px!important}
  .learning-shell.is-video .learning-grid{width:calc(100% - 32px)!important;padding-top:10px!important}
  .learning-shell.is-video .learning-now{margin-bottom:16px!important}
  .learning-shell.is-video .learning-progress-strip{gap:3px 10px!important;margin-bottom:14px!important;padding:13px 14px!important;border-radius:14px!important}
  .learning-shell.is-video .learning-progress-strip span:first-child,
  .learning-shell.is-video .learning-progress-strip span:last-child{font-size:11px!important}
  .learning-shell.is-video .learning-progress-strip span:last-child b{font-size:15px!important}
  .learning-shell.is-video .learning-now h1{font-size:21px!important;line-height:1.26!important}
  .learning-shell.is-video .learning-now p{font-size:12px!important;line-height:1.55!important}
  .learning-shell.is-video .video-main{border-radius:15px!important;box-shadow:0 12px 28px rgba(9,25,22,.14)!important}
  .learning-shell.is-video .article-bottom-nav{grid-template-columns:.82fr 1.55fr!important;margin-top:12px!important}
  .learning-shell.is-video .article-bottom-nav .article-prev,
  .learning-shell.is-video .article-bottom-nav .article-next{min-height:44px!important;padding:10px 12px!important;font-size:12px!important}
  .learning-shell.is-video .article-bottom-nav .article-next{
    display:block!important;
    overflow:hidden!important;
    font-size:11px!important;
    line-height:1.28!important;
    white-space:normal!important;
    display:-webkit-box!important;
    -webkit-box-orient:vertical!important;
    -webkit-line-clamp:2!important;
  }
  .learning-shell.is-video .article-bottom-nav .article-nav-placeholder{min-height:44px!important;padding:10px 12px!important;font-size:12px!important}
  .learning-shell.is-video .le-card{padding:15px!important;border-radius:14px!important}
  .learning-shell.is-video .le-card.le-comments .le-head b{font-size:18px!important}
  .learning-shell.is-video .le-comment-form textarea{padding:10px 13px!important;font-size:13px!important}
  .learning-shell.is-video .le-comment-tools #commentPickImg{width:41px!important;min-width:41px!important;min-height:41px!important}
  .learning-shell.is-video .le-comment-tools #commentSubmit{min-width:74px!important;min-height:41px!important;padding:0 15px!important;font-size:12px!important}
  .learning-shell.is-video .learning-directory-inline{margin-top:20px!important;padding:15px!important}
  .learning-shell.is-video .learning-directory-inline-head b{font-size:18px!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle{min-height:44px!important;padding:10px 11px!important}
  .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{font-size:14px!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter{grid-template-columns:27px minmax(0,1fr) auto!important;gap:10px!important;padding:11px 7px!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter-no{width:24px!important;height:24px!important;font-size:10px!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{font-size:13px!important}
  .learning-shell.is-video .learning-directory-inline .v2-chapter-state{font-size:11px!important}
}

/* v324：视频学习页收敛为标题+播放器+目录+评论；冗余导航移除，背景与首页/课程中心一体化。图文阅读页结构不变。 */
body.learning-video .learning-shell.is-video{
  padding-top:0!important;
  padding-bottom:84px!important;
  background:var(--bg)!important;
}
body.learning-video .learning-reader-utility{justify-content:center!important}
body.learning-video .learning-top .learning-top-title{max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#152a26!important;font-size:15px!important;font-weight:820!important}
body.learning-video .learning-shell.is-video .learning-grid{
  width:min(calc(100% - 48px),980px)!important;
  padding-top:4px!important;
}
body.learning-video .learning-shell.is-video .learning-player,
body.learning-video .learning-shell.is-video .learning-main-stack{
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body.learning-video .learning-shell.is-video .article-bottom-nav,
body.learning-video .learning-shell.is-video .learning-now .learning-progress-strip,
body.learning-video .learning-shell.is-video .learning-now .section-kicker{display:none!important}
body.learning-video .learning-shell.is-video .learning-now{margin:16px 0 18px!important}
body.learning-video .learning-shell.is-video .learning-now h1{
  color:#152a26!important;
  font-size:24px!important;
  line-height:1.25!important;
  font-weight:880!important;
}
body.learning-video .learning-shell.is-video .learning-now p{
  color:#66736d!important;
  font-size:13px!important;
  line-height:1.6!important;
}
body.learning-video .learning-shell.is-video .learning-comments{margin:28px 0 0!important}
body.learning-video .learning-shell.is-video .le-card{
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body.learning-video .learning-shell.is-video .le-card.le-comments .le-head{
  margin-bottom:0!important;
  padding-bottom:14px!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
body.learning-video .learning-shell.is-video .le-card.le-comments .le-head b{color:#152a26!important;font-size:20px!important}
body.learning-video .learning-shell.is-video .le-card.le-comments .le-head span{color:#66736d!important;font-size:13px!important}
body.learning-video .learning-shell.is-video .le-comment-form{margin-top:16px!important}

body.learning-video .learning-shell.is-video .learning-directory-inline{
  display:block!important;
  order:3!important;
  margin:28px 0 0!important;
  padding:26px 0 0!important;
  border:0!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head{
  margin:0!important;
  padding-bottom:16px!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head b{
  color:#152a26!important;
  font-size:24px!important;
  line-height:1.25!important;
  font-weight:880!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head b::before{
  width:18px!important;
  height:15px!important;
  background:linear-gradient(#08735f,#08735f) 0 0/18px 1.8px no-repeat,linear-gradient(#08735f,#08735f) 0 6px/13px 1.8px no-repeat,linear-gradient(#08735f,#08735f) 0 12px/18px 1.8px no-repeat!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head span{color:#66736d!important;font-size:13px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline-body{margin-top:4px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section{
  overflow:visible!important;
  margin:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section+.v2-directory-section{margin-top:22px!important;border-top:1px solid rgba(18,35,29,.08)!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle{
  display:grid!important;
  grid-template-columns:auto minmax(0,1fr) auto auto!important;
  align-items:center!important;
  gap:12px!important;
  min-height:60px!important;
  padding:18px 0 16px!important;
  border:0!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle:hover{background:rgba(14,125,101,.04)!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section:not(.is-collapsed)> .directory-section-toggle{background:transparent!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle>span{
  color:#08735f!important;
  font-size:13px!important;
  font-weight:850!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{
  overflow:visible!important;
  color:#152a26!important;
  font-size:18px!important;
  line-height:1.35!important;
  font-weight:820!important;
  white-space:normal!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section:not(.is-collapsed)> .directory-section-toggle h3{color:#064a3f!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle small{display:block!important;color:#66736d!important;font-size:12px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle i{color:#66736d!important;font-size:16px!important}

body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter{
  display:grid!important;
  grid-template-columns:30px minmax(0,1fr) 132px!important;
  align-items:center!important;
  gap:12px!important;
  min-height:0!important;
  padding:16px 0!important;
  border:0!important;
  border-bottom:1px dashed rgba(129,151,143,.38)!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
  text-decoration:none;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter:last-child{border-bottom:0!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-no{
  display:grid!important;
  place-items:center!important;
  width:28px!important;
  height:28px!important;
  border-radius:50%!important;
  background:#e5f2ed!important;
  color:#08735f!important;
  font-size:11px!important;
  font-weight:800!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main{
  display:flex!important;
  flex-direction:column!important;
  justify-content:center!important;
  min-width:0!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{
  overflow:visible!important;
  color:#152a26!important;
  font-size:16px!important;
  line-height:1.45!important;
  font-weight:780!important;
  white-space:normal!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main p{display:none!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-state{display:none!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-cover{
  position:relative!important;
  width:132px!important;
  aspect-ratio:16 / 9!important;
  overflow:hidden!important;
  border-radius:14px!important;
  background:#e8efe9!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-cover img{
  display:block!important;
  width:100%!important;
  height:100%!important;
  object-fit:cover!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-cover i{
  position:absolute!important;
  left:50%!important;
  top:50%!important;
  width:32px!important;
  height:32px!important;
  display:grid!important;
  place-items:center!important;
  transform:translate(-50%,-50%)!important;
  border-radius:999px!important;
  background:rgba(18,35,29,.70)!important;
  color:#fff!important;
  font-style:normal!important;
  font-size:11px!important;
  box-shadow:0 4px 14px rgba(18,35,29,.20)!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-cover em{
  position:absolute!important;
  left:6px!important;
  right:6px!important;
  bottom:6px!important;
  padding:4px 5px!important;
  border-radius:999px!important;
  background:rgba(18,35,29,.70)!important;
  color:#fff!important;
  font-size:10px!important;
  font-style:normal!important;
  font-weight:780!important;
  line-height:1.2!important;
  text-align:center!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
  position:relative!important;
  background:transparent!important;
  border-radius:18px!important;
  border-bottom-color:transparent!important;
  box-shadow:none!important;
  padding-inline:0!important;
  margin-inline:0!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing::before{
  content:""!important;
  position:absolute!important;
  inset:0!important;
  z-index:0!important;
  border-radius:18px!important;
  background:rgba(7,95,80,.05)!important;
  box-shadow:inset 0 0 0 1px rgba(8,115,95,.12)!important;
  pointer-events:none!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing>*{
  position:relative!important;
  z-index:1!important;
}

/* v332：视频学习页不使用旧课程目录抽屉；评论输入保持 16px 防止 iOS 聚焦放大。 */
body.learning-video #readerCourseDrawer{
  display:none!important;
  visibility:hidden!important;
  opacity:0!important;
  pointer-events:none!important;
}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .le-comment-form textarea{
    font-size:16px!important;
    padding:10px 14px!important;
    line-height:1.4!important;
  }
}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-main b{color:#08735f!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-no{
  width:28px!important;
  height:28px!important;
  border-radius:999px!important;
  background:#08735f!important;
  color:#fff!important;
  font-size:11px!important;
  font-weight:900!important;
}

/* v337：当前课节高亮框与章节框同宽同圆角；评论输入全端 16px，避免 iOS 聚焦放大页面。 */
body.learning-video .learning-shell.is-video .le-comment-form textarea{
  font-size:16px!important;
  line-height:1.4!important;
}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing::before{
    border-radius:16px!important;
  }
}

@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-grid{width:calc(100% - 32px)!important;padding-top:0!important}
  body.learning-video .learning-shell.is-video .learning-now{margin:12px 0 16px!important}
  body.learning-video .learning-shell.is-video .learning-now h1{font-size:18px!important}
  body.learning-video .learning-shell.is-video .learning-now p{font-size:12px!important}
  body.learning-video .learning-shell.is-video .video-main{border-radius:15px!important;box-shadow:0 12px 28px rgba(9,25,22,.14)!important}
  body.learning-video .learning-shell.is-video .learning-comments{margin-top:24px!important}
  body.learning-video .learning-shell.is-video .le-card.le-comments .le-head b{font-size:18px!important}
  body.learning-video .learning-shell.is-video .le-card.le-comments .le-head span{font-size:12px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline{margin-top:24px!important;padding-top:20px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-head b{font-size:18px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-head span{font-size:12px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section+.v2-directory-section{margin-top:18px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle{
    min-height:54px!important;
    padding:15px 0 13px!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{font-size:16px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter{
    grid-template-columns:28px minmax(0,1fr) 112px!important;
    gap:10px!important;
    padding:14px 0!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-no{width:26px!important;height:26px!important;font-size:10px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{font-size:14px!important;line-height:1.42!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-cover{width:112px!important;border-radius:12px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-cover i{width:28px!important;height:28px!important;font-size:10px!important}
  body.route-learning.learning-video .back-top{bottom:72px!important}
  body.route-learning.learning-video #serviceContactBtn{bottom:126px!important}
}

/* v325：视频学习页顶栏与目录复用课程中心基准；批量展开/收起细化，章节内容彻底透明。 */
body.learning-video .learning-top{
  min-height:54px!important;
  padding:0!important;
  background:var(--bg)!important;
  border-bottom:0!important;
  box-shadow:none!important;
  backdrop-filter:none!important;
}
body.learning-video > .learning-top .learning-reader-utility{
  display:flex!important;
  align-items:center!important;
  justify-content:center!important;
  width:min(calc(100% - 48px),1180px)!important;
  min-height:54px!important;
}
body.learning-video > .learning-top .learning-top-title{
  display:block!important;
  max-width:100%!important;
  color:#152a26!important;
  font-size:20px!important;
  line-height:1.25!important;
  font-weight:880!important;
  text-align:center!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-body{
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto!important;
  align-items:start!important;
  gap:12px!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head>div:not(.learning-directory-inline-actions){
  display:flex!important;
  flex-direction:column!important;
  align-items:flex-start!important;
  gap:7px!important;
  min-width:0!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head b::before{content:none!important}
body.learning-video .learning-shell.is-video .learning-directory-inline-head b{
  display:flex!important;
  align-items:center!important;
  gap:8px!important;
  color:#152a26!important;
  font-size:24px!important;
  line-height:1.25!important;
  font-weight:880!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head .course-center-section-icon{
  display:grid!important;
  place-items:center!important;
  flex:0 0 24px!important;
  width:24px!important;
  height:24px!important;
  border-radius:8px!important;
  background:#0b8d72!important;
  color:#fff!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head .course-center-section-icon svg{
  width:15px!important;
  height:15px!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-actions{
  display:inline-flex!important;
  align-items:center!important;
  gap:7px!important;
  padding-top:3px!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-actions button{
  min-height:30px!important;
  padding:5px 10px!important;
  border:1px solid rgba(8,115,95,.20)!important;
  border-radius:999px!important;
  background:transparent!important;
  color:#08735f!important;
  font-size:12px!important;
  font-weight:800!important;
  line-height:1!important;
  white-space:nowrap!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-actions button:disabled{
  border-color:rgba(18,35,29,.10)!important;
  color:#a9b5af!important;
  cursor:not-allowed!important;
  opacity:1!important;
}
@media(max-width:720px){
  body.learning-video > .learning-top .learning-reader-utility{width:calc(100% - 32px)!important;min-height:52px!important}
  body.learning-video > .learning-top .learning-top-title{font-size:18px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-head b{font-size:18px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-head .course-center-section-icon{flex-basis:21px!important;width:21px!important;height:21px!important;border-radius:7px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-head .course-center-section-icon svg{width:13px!important;height:13px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-actions{gap:5px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-actions button{min-height:28px!important;padding:4px 8px!important;font-size:11px!important}
}

/* v326：目录控制收敛到单一入口；顶栏恢复分隔线；目录折叠与评论控件回归常规交互。 */
body.learning-video .learning-top{
  border-bottom:1px solid rgba(18,35,29,.08)!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-actions{display:none!important}
body.learning-video .learning-shell.is-video .learning-directory-inline-head{
  position:relative!important;
}
body.learning-video .learning-shell.is-video .learning-directory-actions{
  display:inline-flex!important;
  align-items:center!important;
}
body.learning-video .learning-shell.is-video .learning-directory-actions .learning-directory-expand{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-width:86px!important;
  min-height:32px!important;
  padding:0 12px!important;
  border:1px solid rgba(8,115,95,.20)!important;
  border-radius:999px!important;
  background:transparent!important;
  color:#08735f!important;
  font-size:12px!important;
  font-weight:800!important;
  gap:6px!important;
}
body.learning-video .learning-shell.is-video .learning-directory-actions .learning-directory-expand-arrow{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  width:13px!important;
  height:13px!important;
  color:#08735f!important;
  font-size:13px!important;
  line-height:1!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle{
  border-radius:18px!important;
  padding-inline:16px!important;
  background:rgba(8,115,95,.05)!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section:not(.is-collapsed)> .directory-section-toggle{
  background:rgba(8,115,95,.07)!important;
}
body.learning-video .learning-shell.is-video .le-comment-form{
  grid-template-columns:minmax(0,1fr)!important;
}
body.learning-video .learning-shell.is-video .le-comment-tools{
  justify-content:flex-end!important;
  gap:10px!important;
  margin-top:10px!important;
}
body.learning-video .learning-shell.is-video .le-comment-tools #commentPickImg{
  display:inline-flex!important;
  flex-direction:row!important;
  align-items:center!important;
  justify-content:center!important;
  gap:5px!important;
  min-width:88px!important;
  min-height:38px!important;
  padding:8px 12px!important;
  border:1px solid rgba(18,35,29,.12)!important;
  border-radius:999px!important;
  background:transparent!important;
  color:#152a26!important;
  font-size:13px!important;
  background:#fff!important;
}
body.learning-video .learning-shell.is-video .le-comment-tools #commentPickImg .comment-pick-icon{
  display:grid!important;
  place-items:center!important;
  width:17px!important;
  height:17px!important;
  font-size:15px!important;
  line-height:1!important;
}
body.learning-video .learning-shell.is-video .le-comment-tools #commentPickImg span:last-child{
  font-size:12px!important;
  line-height:1!important;
  white-space:nowrap!important;
}
body.learning-video .learning-shell.is-video .le-comment-tools #commentPickImg::before{content:none!important}
body.learning-video .learning-shell.is-video .le-comment-tools #commentSubmit{
  min-height:38px!important;
  padding:0 17px!important;
  font-size:13px!important;
}
body.learning-video .learning-shell.is-video .le-comment-tools #commentSubmit::after{content:none!important}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-directory-actions .learning-directory-expand{min-width:76px!important;min-height:30px!important;padding:0 10px!important;font-size:11px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle{border-radius:16px!important;padding-inline:14px!important}
  body.learning-video .learning-shell.is-video .le-comment-tools #commentPickImg,
  body.learning-video .learning-shell.is-video .le-comment-tools #commentSubmit{min-height:36px!important;font-size:12px!important}
}

/* v331：目录控制箭头保持同轴；当前课节背景增加内边距；评论区上移间距与细线区分。 */
body.learning-video .learning-shell.is-video .learning-comments{
  margin-top:72px!important;
  padding-top:24px!important;
  border-top:1px solid rgba(18,35,29,.18)!important;
}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-comments{
    margin-top:64px!important;
    padding-top:22px!important;
  }
}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
  padding-left:0!important;
  padding-right:0!important;
}

/* v336：视频页目录标题复用章节框形状；视频页不保留已完成进度。 */
body.learning-video .learning-shell.is-video .learning-directory-inline-head{
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:12px!important;
  min-height:60px!important;
  margin:0 0 16px!important;
  padding:0 16px!important;
  background:rgba(8,115,95,.07)!important;
  border:0!important;
  border-radius:18px!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head>div{
  display:flex!important;
  align-items:center!important;
  gap:8px!important;
  min-width:0!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head .course-center-section-icon{
  display:none!important;
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head{
  padding-inline:0!important;
}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-directory-inline-head{
    min-height:54px!important;
    margin-bottom:14px!important;
    padding:0 14px!important;
    border-radius:16px!important;
  }
}

/* v338：图文阅读页顶栏回归全站轨道；专栏目录按钮与进度说明对齐视频页顶栏基准。 */
@media(max-width:720px){
  body.route-learning.learning-article .site-header .container.nav{
    padding-left:16px!important;
    padding-right:16px!important;
  }
  body.learning-article > .learning-top .reader-utility-course .reader-utility-trigger{
    min-height:32px!important;
    padding:6px 12px!important;
    border:1px solid rgba(8,115,95,.22)!important;
    border-radius:999px!important;
    background:#fff!important;
    color:#08735f!important;
    font-size:13px!important;
    font-weight:850!important;
    line-height:1!important;
    white-space:nowrap!important;
  }
  body.learning-article > .learning-top .reader-utility-page .reader-utility-trigger{
    min-height:32px!important;
    padding:6px 12px!important;
    border:1px solid rgba(8,115,95,.22)!important;
    border-radius:999px!important;
    background:#fff!important;
    color:#08735f!important;
    font-size:13px!important;
    font-weight:850!important;
    line-height:1!important;
    white-space:nowrap!important;
  }
  body.learning-article > .learning-top .reader-utility-page .reader-utility-trigger i{
    font-size:15px!important;
    line-height:1!important;
  }
  body.learning-article > .learning-top .learning-reader-utility{
    width:100%!important;
  }
  body.learning-article > .learning-top .reader-utility-course .reader-utility-trigger .reader-menu-icon{
    background:
      linear-gradient(#08735f,#08735f) 0 0/15px 1.6px no-repeat,
      linear-gradient(#08735f,#08735f) 0 5px/11px 1.6px no-repeat,
      linear-gradient(#08735f,#08735f) 0 10px/15px 1.6px no-repeat!important;
  }
body.learning-article > .learning-top .reader-utility-progress{
  color:#66736d!important;
  font-size:13px!important;
  font-weight:750!important;
  line-height:1!important;
  white-space:nowrap!important;
}
}

/* v347：课程中心分类按钮在上下分隔线之间垂直居中。 */
.course-center-page .course-center-main>.container{
  padding-top:0!important;
}
.course-center-page .course-center-tabs:not(.course-center-tabs--with-filters){
  padding-top:10px!important;
}
.course-center-page .course-center-tabs--with-filters{
  padding-top:38px!important;
}
@media(max-width:720px){
  .course-center-page .course-center-tabs:not(.course-center-tabs--with-filters){
    padding-top:8px!important;
  }
  .course-center-page .course-center-tabs--with-filters{
    padding-top:30px!important;
  }
}

/* v348：展开筛选时，两组按钮整体在上下分隔线之间垂直居中。 */
.course-center-page .course-center-filters{
  padding-bottom:38px!important;
}
@media(max-width:720px){
  .course-center-page .course-center-filters{
    padding-bottom:30px!important;
  }
}

/* v349：训练营价格徽标在深色 CTA 上保持可读。 */
.course-center-camp-cta .course-center-price strong.is-member,
.course-center-camp-cta .course-center-price small{
  background:#fff2d8!important;
  color:#8a4b00!important;
}

/* v350：训练营详情复用课程详情页签体系；学习页不重复单课标题。 */
.camp-detail-hero .v2-detail-grid--v3{
  padding:26px 0 32px!important;
}

/* v351：训练营目录行并入课程目录体系，只保留图文完成动作。 */
.detail-camp-list .v2-chapter-open{
  display:contents;
}
.detail-camp-list .camp-complete-btn{
  grid-column:2;
  justify-self:start;
  margin-top:-4px;
}
@media(max-width:720px){
  .detail-camp-list .camp-complete-btn{
    margin-top:-2px;
  }
}

/* v352：当前课节高亮卡与虚线、章节内容边距保持一致。 */
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
  margin:12px -16px!important;
  padding-inline:16px!important;
}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
    margin:10px -14px!important;
    padding-inline:14px!important;
  }
}

/* v354：当前课节卡恢复目录网格对齐，避免紧凑卡导致封面错位。 */
/* v355：高亮框向外扩展，内容网格和序号保持与其他课节同轴。 */
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-no{
  width:26px!important;
  height:26px!important;
  line-height:1!important;
  letter-spacing:0!important;
  overflow:hidden!important;
}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-no{
    width:26px!important;
    height:26px!important;
    font-size:10px!important;
  }
}

/* v362：后台上传的详情长图进入课程详情，长图单列不裁切。 */
.course-detail-images{
  display:grid;
  gap:14px;
}

.course-detail-images img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid rgba(18,35,29,.08);
  border-radius:12px;
  background:#fff;
}

@media(max-width:720px){
  .course-detail-images{
    gap:10px;
  }

  .course-detail-images img{
    border-radius:10px;
  }
}

/* v363：单篇文章使用真实文章目录；单节视频详情使用后台简介，不再显示通用卖点。 */
.detail-course-intro{
  margin:12px 0 0;
  color:#556b64;
  font-size:15px;
  line-height:1.8;
}

/* v456：保留后台富文本里的正文空行，手机端不再压成同一段落节奏。 */
.detail-course-intro p{
  margin:.8em 0;
}

.detail-course-intro .v2-intro-blank-line{
  height:12px;
  margin:0;
  font-size:0;
  line-height:12px;
}

.detail-course-intro h1{
  font-size:28px;
  margin:1.2em 0 .7em;
}

.detail-course-intro h2{
  font-size:23px;
  margin:1.3em 0 .65em;
}

.detail-course-intro h3,
.detail-course-intro h4,
.detail-course-intro h5,
.detail-course-intro h6{
  margin:1.2em 0 .55em;
}

.detail-course-intro > :first-child{
  margin-top:0;
}

.detail-course-intro > :last-child{
  margin-bottom:0;
}

/* v583：图文正文默认防复制；仅后台显式插入的代码/指令词卡片允许复制。 */
.copy-protected{
  user-select:none;
  -webkit-user-select:none;
  -webkit-touch-callout:none;
}

.copy-protected [data-copyable="true"],
.copy-protected [data-copyable="true"] *{
  user-select:text!important;
  -webkit-user-select:text!important;
  cursor:text!important;
}

.copyable-block{
  overflow:hidden;
  margin:20px 0;
  border:1px solid #31423b;
  border-radius:12px;
  background:#17201d;
  color:#e8f3ef;
  box-shadow:0 10px 28px rgba(16,34,28,.12);
}

.copyable-block-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:42px;
  padding:0 10px 0 16px;
  border-bottom:1px solid rgba(223,244,236,.12);
  color:#aabdb5;
  font-size:12px;
  letter-spacing:.02em;
}

.copyable-block-copy{
  appearance:none;
  border:0;
  border-radius:7px;
  padding:7px 10px;
  background:transparent;
  color:#d8e9e2;
  font:600 12px/1 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
  cursor:pointer!important;
  user-select:none!important;
  -webkit-user-select:none!important;
}

.copyable-block-copy:hover,
.copyable-block-copy:focus-visible{
  background:rgba(216,233,226,.11);
  color:#fff;
  outline:none;
}

.copyable-block .copyable-source{
  display:block;
  overflow:auto;
  box-sizing:border-box;
  width:100%;
  max-width:100%;
  margin:0!important;
  border:0!important;
  border-radius:0!important;
  padding:16px 18px 18px!important;
  background:transparent!important;
  color:inherit!important;
  font:14px/1.75 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace!important;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
}

.copyable-block .copyable-source code{
  padding:0!important;
  background:transparent!important;
  color:inherit!important;
  font:inherit!important;
}

@media(max-width:640px){
  .copyable-block{margin:16px -2px;border-radius:10px}
  .copyable-block .copyable-source{padding:14px 15px 16px!important;font-size:13px!important}
}

#courseVideo{
  -webkit-touch-callout:none;
  user-select:none;
  -webkit-user-select:none;
}

video::-internal-media-controls-download-button{
  display:none!important;
}

.single-article-toc{
  display:flex;
  flex-direction:column;
}

.single-article-toc-link{
  display:grid;
  grid-template-columns:30px minmax(0,1fr);
  align-items:center;
  gap:10px;
  min-height:52px;
  padding:10px 0;
  border-bottom:1px solid rgba(18,35,29,.08);
  color:#162a26;
  font-size:16px;
  line-height:1.5;
  text-decoration:none;
}

.single-article-toc-link:last-child{
  border-bottom:0;
}

.single-article-toc-link span{
  color:#08735f;
  font-size:13px;
  font-weight:800;
}

.single-article-toc-link:hover{
  color:#08735f;
}

@media(max-width:720px){
  .detail-course-intro{
    font-size:14px;
  }

  .single-article-toc-link{
    grid-template-columns:24px minmax(0,1fr);
    min-height:46px;
    padding:9px 0;
    font-size:15px;
  }
}

/* v364：文章目录序号始终左对齐；手机端正文恢复舒适阅读字号。 */
.single-article-toc-link{
  grid-template-columns:32px minmax(0,1fr);
}

.single-article-toc-text{
  display:block;
  min-width:0;
  overflow-wrap:anywhere;
}

.single-article-toc-link.level-2 .single-article-toc-text{
  padding-left:20px;
}

.single-article-toc-link.level-3 .single-article-toc-text{
  padding-left:34px;
}

.detail-course-intro img{
  display:block;
  max-width:100%;
  height:auto;
  margin:16px 0;
  border:1px solid rgba(18,35,29,.08);
  border-radius:12px;
  background:#fff;
}

@media(max-width:720px){
  .learning-shell.is-article .learning-article{
    font-size:17px!important;
    line-height:1.78!important;
  }

  .learning-shell.is-article .learning-article h2{
    font-size:20px!important;
    line-height:1.35!important;
  }

  .learning-shell.is-article .learning-article h3{
    font-size:18px!important;
    line-height:1.4!important;
  }

  .single-article-toc-link{
    grid-template-columns:26px minmax(0,1fr);
  }

  /* iOS 会在输入框字号小于 16px 时自动缩放页面；评论框必须保持 16px。 */
  #commentInput,
  #courseCommentInput,
  .le-comment-form textarea{
    font-size:16px!important;
    line-height:1.55!important;
  }
}

/* v365：文章目录序号同轨；手机端文章标题高于正文层级。 */
@media(max-width:720px){
  .learning-shell.is-article .article-reading-head h1{
    font-size:24px!important;
    line-height:1.28!important;
  }
}

/* v366：长目录默认收纳；展开/收起按钮沿用全站胶囊控件。 */
.single-article-toc-link.is-hidden{
  display:none!important;
}

/* v367：飞书导入的目录树还原成代码块，避免结构性内容被普通段落折散。 */
.learning-shell.is-article .learning-article .content-structure{
  box-sizing:border-box!important;
  max-width:100%!important;
  overflow-x:auto!important;
  margin:24px 0!important;
  padding:18px 20px!important;
  border:1px solid rgba(8,115,95,.16)!important;
  border-radius:12px!important;
  background:#102f28!important;
  -webkit-overflow-scrolling:touch!important;
}

.learning-shell.is-article .learning-article .content-structure code{
  display:block!important;
  margin:0!important;
  padding:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  color:#dcf5eb!important;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace!important;
  font-size:13px!important;
  line-height:1.75!important;
  white-space:pre!important;
}

.learning-shell.is-article .article-bottom-nav{
  margin-top:32px!important;
}

.learning-shell.is-article .article-nav-done{
  display:inline-flex!important;
  align-items:center!important;
  margin-left:0!important;
  min-height:44px!important;
  padding:0 16px!important;
  border:1px solid rgba(8,115,95,.22)!important;
  border-radius:999px!important;
  background:#eaf5f0!important;
  color:#08735f!important;
  font-size:13px!important;
  font-weight:800!important;
  line-height:1!important;
}

.learning-shell.is-article .article-share-action{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  margin-left:auto!important;
  min-height:44px!important;
  padding:0 18px!important;
  border:1px solid rgba(8,115,95,.22)!important;
  border-radius:999px!important;
  background:#fff!important;
  color:#08735f!important;
  font-size:13px!important;
  font-weight:850!important;
  line-height:1!important;
}

.learning-shell.is-article .article-share-action:hover{
  background:#f3faf7!important;
  text-decoration:none!important;
}

.single-article-toc-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:100%;
  min-height:38px;
  margin-top:12px;
  border:1px solid rgba(8,115,95,.22);
  border-radius:999px;
  background:#fff;
  color:#08735f;
  font:inherit;
  font-size:13px;
  font-weight:850;
  line-height:1;
  cursor:pointer;
}

@media(max-width:720px){
  .single-article-toc-toggle{
    min-height:34px;
    font-size:12px;
  }

  body.route-learning.learning-article .article-bottom-nav{
    display:grid!important;
    grid-template-columns:1fr!important;
    gap:10px!important;
    margin-top:30px!important;
    margin-bottom:0!important;
  }

  .learning-shell.is-article .article-nav-done,
  .learning-shell.is-article .article-share-action{
    width:100%!important;
    margin:0!important;
  }

  .learning-shell.is-article .article-share-action{
    text-align:center!important;
  }
}

/* v365：底栏贴近安全区；标签保持微信式可读字号。 */
@media(max-width:760px){
  .bottom-tab{
    height:calc(50px + env(safe-area-inset-bottom, 0px))!important;
    padding-bottom:env(safe-area-inset-bottom, 0px)!important;
  }

  #app{
    padding-bottom:calc(50px + env(safe-area-inset-bottom, 0px))!important;
  }

  .bottom-tab a{
    gap:2px!important;
  }

  .bottom-tab a span{
    font-size:12px!important;
    line-height:1!important;
  }

  .bottom-tab a svg{
    width:22px!important;
    height:22px!important;
  }
}

/* v369：单篇内容库使用课程中心行式列表，顶部筛选与正文保持紧凑衔接。 */
.single-content-page .course-center-tabs{
  margin-bottom:16px!important;
}

/* v376：小字说明里的会员免费标识与价格区金黄胶囊同色系。 */
.member-free-note{
  display:inline-flex;
  align-items:center;
  padding:2px 6px;
  border-radius:999px;
  background:#fff2d8;
  color:#c87508;
  font-size:10px;
  font-weight:800;
  line-height:1.2;
  white-space:nowrap;
}

/* v379：系列视频/专栏/训练营的小字权益与右侧价格统一；个人中心拆分学习数据与继续学习。 */
.course-center-card-meta .member-free-note{
  margin-left:auto;
}
.course-center-card-meta .member-free-note+.course-center-price{
  margin-left:0;
}
.course-center-camp-meta .member-free-note{
  flex:none;
  background:rgba(255,242,216,.94);
}
body[data-route="my"] .account-learning-grid{
  display:grid!important;
  grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr)!important;
  gap:18px!important;
  align-items:stretch!important;
}
body[data-route="my"] .account-stat-panel{
  padding:24px!important;
  border:1px solid rgba(18,35,29,.09)!important;
  border-radius:18px!important;
  background:var(--paper)!important;
}
body[data-route="my"] .account-panel-head h2{
  margin:6px 0 0!important;
  font-size:22px!important;
  line-height:1.3!important;
}
body[data-route="my"] .account-stat-panel .account-overview{
  grid-template-columns:repeat(3,minmax(0,1fr))!important;
  gap:12px!important;
  margin-top:18px!important;
  padding-top:18px!important;
  border-top:1px solid rgba(18,35,29,.07)!important;
}
body[data-route="my"] .account-next{
  margin-top:0!important;
  padding:24px!important;
  border:1px solid rgba(7,95,80,.14)!important;
  border-radius:18px!important;
  background:linear-gradient(135deg,rgba(224,241,235,.94),rgba(255,254,250,.96))!important;
  box-shadow:none!important;
}
body[data-route="my"] .account-next-head h2{
  margin:6px 0 0!important;
  font-size:22px!important;
  line-height:1.3!important;
}
body[data-route="my"] .account-next-lesson{
  margin-top:16px!important;
}
body[data-route="my"] .account-next-lesson small{
  display:block!important;
  color:#66736d!important;
  font-size:11px!important;
}
body[data-route="my"] .account-next-lesson b{
  display:block!important;
  margin-top:5px!important;
  color:var(--ink)!important;
  font-size:18px!important;
  line-height:1.35!important;
}
body[data-route="my"] .account-next-lesson span{
  display:block!important;
  overflow:hidden!important;
  margin-top:5px!important;
  color:#66736d!important;
  font-size:12px!important;
  text-overflow:ellipsis!important;
  white-space:nowrap!important;
}
body[data-route="my"] .account-next-progress{
  height:6px!important;
  margin-top:18px!important;
  border-radius:999px!important;
  background:rgba(7,95,80,.12)!important;
  overflow:hidden!important;
}
body[data-route="my"] .account-next-progress i{
  display:block!important;
  height:100%!important;
  border-radius:999px!important;
  background:var(--brand)!important;
}
body[data-route="my"] .account-next-progress-text{
  display:block!important;
  margin-top:7px!important;
  color:#66736d!important;
  font-size:11px!important;
}
body[data-route="my"] .account-next .btn{
  margin-top:20px!important;
}

@media(max-width:920px){
  body[data-route="my"] .account-learning-grid{
    grid-template-columns:1fr!important;
  }
}

@media(max-width:720px){
  body[data-route="my"] .account-stat-panel,
  body[data-route="my"] .account-next{
    padding:18px!important;
    border-radius:15px!important;
  }
  body[data-route="my"] .account-panel-head h2,
  body[data-route="my"] .account-next-head h2{
    font-size:18px!important;
  }
  body[data-route="my"] .account-stat-panel .account-overview{
    gap:10px!important;
    margin-top:14px!important;
    padding-top:14px!important;
  }
body[data-route="my"] .account-next-lesson b{
    font-size:15px!important;
  }
}

/* v388 final：收藏卡不继承我的课程三列；阅读页三个工具按钮使用同一边框规格。 */
body[data-route="my"] .pc-favorite-course.pc-favorite-course{
  grid-template-columns:minmax(0,1fr) auto!important;
}
body.learning-article > .learning-top .learning-reader-utility{
  justify-content:space-between!important;
  gap:8px!important;
}
body.learning-article > .learning-top .reader-utility-actions{
  display:flex!important;
  align-items:center!important;
  justify-content:flex-end!important;
  gap:8px!important;
  margin-left:auto!important;
}
body.learning-article > .learning-top .reader-utility-page{margin-left:0!important}
body.learning-article > .learning-top .reader-utility-course .reader-utility-trigger,
body.learning-article > .learning-top .reader-utility-page .reader-utility-trigger,
body.learning-article > .learning-top .reader-favorite-toggle{
  box-sizing:border-box!important;
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:36px!important;
  height:36px!important;
  padding:7px 12px!important;
  border:1px solid rgba(8,115,95,.22)!important;
  border-radius:999px!important;
  background:#fff!important;
  color:#08735f!important;
  font-size:13px!important;
  font-weight:850!important;
  line-height:1!important;
  white-space:nowrap!important;
}
body.learning-article > .learning-top .reader-favorite-toggle.active{
  border-color:#08735f!important;
  background:rgba(8,115,95,.08)!important;
}

/* v388：手机菜单打开时固定页面，关闭后由脚本恢复原滚动位置。 */
@media(max-width:900px){
  body.mobile-menu-open{
    position:fixed!important;
    left:0!important;
    right:0!important;
    width:100%!important;
    overflow:hidden!important;
    overscroll-behavior:none!important;
  }
  #mobileMenu{overflow-y:auto!important;overscroll-behavior:contain!important}
}

/* v404：页脚“使用帮助 / 联系我们”对应的真实支持页面。 */
.support-page{padding:56px 0 92px;background:linear-gradient(180deg,#f5f3ec 0,#fff 310px)}
.support-shell{max-width:960px}
.support-hero{max-width:760px;margin:0 auto 38px;text-align:center}
.support-hero h1{margin:12px 0 14px;color:var(--ink);font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.035em}
.support-hero p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.8}
.support-help-page .faq-list{max-width:860px}
.support-help-page .faq-a p{margin:0}
.support-contact-strip{max-width:860px;margin:22px auto 0;padding:22px 24px;border:1px solid rgba(14,124,107,.18);border-radius:18px;background:#eef8f4;display:flex;align-items:center;justify-content:space-between;gap:24px}
.support-contact-strip strong{display:block;margin-bottom:6px;font-size:18px;color:var(--ink)}
.support-contact-strip p{margin:0;color:var(--ink-2);font-size:14px;line-height:1.7}
.support-contact-strip .btn{flex:0 0 auto}
.support-contact-card{padding:34px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 16px 50px rgba(21,53,45,.08);display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;align-items:center}
.support-contact-copy h2{margin:10px 0 12px;font-size:32px;color:var(--ink)}
.support-contact-copy>p{margin:0 0 22px;color:var(--ink-2);line-height:1.75}
.support-contact-copy>.btn{margin-top:22px}
.contact-detail-row{min-height:54px;padding:12px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;gap:14px}
.contact-detail-row:last-of-type{border-bottom:1px solid var(--line)}
.contact-detail-row span{color:var(--ink-2);font-size:14px}
.contact-detail-row strong{overflow-wrap:anywhere;color:var(--ink);font-size:16px}
.contact-detail-row button,.contact-detail-row a{border:0;background:none;color:var(--accent);font:inherit;font-size:14px;font-weight:700;cursor:pointer;text-decoration:none}
.support-contact-qr{min-height:280px;padding:20px;border-radius:20px;background:#f5f3ec;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.support-contact-qr img{display:block;width:190px;height:190px;border-radius:12px;background:#fff;object-fit:contain}
.support-contact-qr strong{margin-top:14px;color:var(--ink)}
.support-contact-qr span{margin-top:5px;color:var(--ink-2);font-size:12px}
.support-contact-placeholder{color:var(--ink-2);font-size:14px}
.support-back-help{display:inline-flex;margin-top:24px;color:var(--accent);font-size:14px;font-weight:700;text-decoration:none}
@media(max-width:720px){
  .support-page{padding:34px 0 70px}
  .support-hero{margin-bottom:26px;text-align:left}
  .support-hero h1{font-size:30px}
  .support-hero p{font-size:14px}
  .support-help-page .faq-q{padding:16px;font-size:15px}
  .support-help-page .faq-a,.support-help-page .faq-item.open .faq-a{padding-left:16px;padding-right:16px}
  .support-contact-strip{padding:18px;align-items:flex-start;flex-direction:column;gap:16px}
  .support-contact-card{padding:22px;grid-template-columns:1fr;gap:26px}
  .support-contact-copy h2{font-size:26px}
  .support-contact-qr{min-height:0}
  .support-contact-qr img{width:min(190px,72vw);height:min(190px,72vw)}
}

/* v406：搜索与登录弹窗使用独立关闭区，避免关闭按钮覆盖输入框或页签。 */
#searchModal .search-box{
  width:min(92vw,620px);
  max-width:620px!important;
  padding:22px;
  overflow:hidden;
}
#searchModal .search-bar{
  display:grid;
  grid-template-columns:minmax(0,1fr) 42px;
  gap:12px;
  align-items:center;
  padding:0 0 20px;
  border-bottom:1px solid var(--line);
}
#searchModal .search-field-shell{
  min-width:0;
  min-height:52px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
}
#searchModal .search-ico{
  display:grid;
  place-items:center;
  flex:0 0 22px;
  color:var(--ink);
}
#searchModal .search-ico svg{width:22px;height:22px}
#searchModal .search-input{
  min-width:0;
  width:100%;
  margin:0;
  padding:0!important;
  border:0!important;
  outline:0;
  background:transparent!important;
  color:var(--ink);
  font:inherit;
  font-size:16px;
}
#searchModal .search-modal-close,
#loginModal .login-modal-close{
  position:static!important;
  display:grid;
  place-items:center;
  padding:0;
  border:1px solid var(--line);
  border-radius:12px!important;
  background:var(--paper);
  color:var(--muted);
  font-size:25px;
  line-height:1;
}
#searchModal .search-modal-close{
  width:42px;
  height:42px;
  min-height:42px!important;
}
#searchModal .search-results{
  max-height:min(55vh,520px);
  margin:0 -22px -22px;
  padding:12px 22px 18px;
}
#loginModal .modal-box{
  width:min(92vw,480px);
  max-width:480px;
  padding:28px;
}
#loginModal .login-modal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-bottom:18px;
}
#loginModal .login-modal-head strong{
  display:block;
  color:var(--ink);
  font-size:21px;
  line-height:1.25;
}
#loginModal .login-modal-head small{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:12px;
}
#loginModal .login-modal-close{
  flex:0 0 40px;
  width:40px;
  height:40px;
  min-height:40px!important;
}
#loginModal .modal-tabs{gap:10px;margin-bottom:22px}
#loginModal .modal-tab{
  min-height:48px;
  padding:10px 12px;
  border-radius:12px;
}

@media(max-width:720px){
  #searchModal .search-box{width:calc(100vw - 24px);padding:16px}
  #searchModal .search-bar{grid-template-columns:minmax(0,1fr) 40px;gap:8px;padding-bottom:16px}
  #searchModal .search-field-shell{min-height:48px;gap:10px;padding:0 13px}
  #searchModal .search-modal-close{width:40px;height:40px;min-height:40px!important}
  #searchModal .search-results{margin:0 -16px -16px;padding:10px 16px 16px}
  #loginModal .modal-box{width:calc(100vw - 24px);padding:20px}
  #loginModal .login-modal-head{margin-bottom:16px}
  #loginModal .login-modal-head strong{font-size:19px}
  #loginModal .modal-tab{font-size:14px}
}

/* v409：训练营封面尺寸对齐视频课程，右侧保留标题与内容信息。 */
.course-center-page .course-center-camp-list{gap:0}
.course-center-page .course-center-camp-card{
  display:grid!important;
  grid-template-columns:clamp(220px,25vw,290px) minmax(0,1fr);
  gap:20px;
  align-items:center;
  min-height:0!important;
  padding:14px 0 18px;
  overflow:visible;
  border:0!important;
  border-bottom:1px solid var(--line)!important;
  border-radius:0!important;
  background:transparent!important;
  color:var(--ink)!important;
  box-shadow:none!important;
}
.course-center-page .course-center-camp-media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  border-radius:12px;
  background:linear-gradient(135deg,#0b342d,#087d68);
}
.course-center-page .course-center-camp-media>img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.course-center-page .course-center-camp-media>small{
  position:absolute;
  top:9px;
  left:9px;
  padding:5px 8px;
  border-radius:999px;
  background:rgba(4,38,32,.86);
  color:#fff;
  font-size:9px;
  font-weight:850;
  letter-spacing:.04em;
  backdrop-filter:blur(8px);
}
.course-center-page .course-center-camp-cover-fallback{
  display:grid;
  width:100%;
  height:100%;
  place-items:center;
  color:#fff;
  font-size:22px;
  font-weight:900;
}
.course-center-page .course-center-camp-body{
  min-width:0;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  padding:0;
}
.course-center-page .course-center-camp-body>b{
  color:var(--ink);
  font-size:20px;
  line-height:1.3;
  font-weight:880;
}
.course-center-page .course-center-camp-body>em{
  margin-top:6px;
  color:var(--ink-2);
  font-size:13px;
  line-height:1.65;
  font-style:normal;
}
.course-center-page .course-center-camp-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
}
.course-center-page .course-center-camp-meta>span{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 7px;
  border-radius:999px;
  background:#f1f6f3;
}
.course-center-page .course-center-camp-footer{
  width:100%;
  display:flex;
  align-items:center;
  gap:9px;
  margin-top:12px;
  padding-top:0;
  border-top:0;
}
.course-center-page .course-center-camp-footer .member-free-note,
.course-center-page .course-center-camp-footer .course-center-price.is-member strong{
  padding:5px 8px!important;
  border:1px solid rgba(8,115,95,.18)!important;
  border-radius:999px!important;
  background:#e5f5ef!important;
  color:#075f50!important;
  font-size:11px!important;
  font-weight:900!important;
  line-height:1.2!important;
}
.course-center-page .course-center-camp-footer .course-center-price{
  margin-left:0;
}
.course-center-page .course-center-camp-footer>strong{
  margin-left:auto;
  color:var(--brand);
  font-size:13px;
  font-weight:850;
}
.course-center-page .course-center-camp-footer>strong b{margin-left:4px;font-size:15px}

@media(max-width:720px){
  .course-center-page .course-center-camp-card{grid-template-columns:calc((100% - 8px)/2.12) minmax(0,1fr);gap:10px;padding:12px 0 14px}
  .course-center-page .course-center-camp-media{border-radius:9px}
  .course-center-page .course-center-camp-media>small{top:6px;left:6px;padding:3px 6px;font-size:8px}
  .course-center-page .course-center-camp-body{min-height:83px;padding:0}
  .course-center-page .course-center-camp-body>b{font-size:15px;line-height:1.35}
  .course-center-page .course-center-camp-body>em{display:none}
  .course-center-page .course-center-camp-meta{gap:5px;margin-top:6px;font-size:9px}
  .course-center-page .course-center-camp-meta>span{padding:3px 5px}
  .course-center-page .course-center-camp-meta>span:nth-child(2){display:none}
  .course-center-page .course-center-camp-footer{flex-wrap:wrap;row-gap:5px;gap:5px;margin-top:7px;padding-top:0}
  .course-center-page .course-center-camp-footer .member-free-note,
  .course-center-page .course-center-camp-footer .course-center-price.is-member strong{padding:4px 6px!important;font-size:9px!important}
  .course-center-page .course-center-camp-footer .course-center-price strong.paid{font-size:12px}
  .course-center-page .course-center-camp-footer>strong{font-size:9px;white-space:nowrap}
  .course-center-page .course-center-camp-footer>strong b{font-size:11px}
}
/* v426：训练营与单节内容统一标题、简介、元信息和价格层级。 */
.course-center-page .course-center-camp-body>b{font-size:18px!important;font-weight:700!important;line-height:1.4!important}
.course-center-page .course-center-camp-body>em{
  display:-webkit-box!important;
  overflow:hidden;
  color:#71807a!important;
  font-size:12px!important;
  line-height:1.55!important;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
}
.course-center-page .course-center-camp-footer{width:100%;margin-top:10px!important}
.course-center-page .course-center-camp-footer .course-center-price{margin-left:auto!important}
.course-center-page .course-center-camp-footer .course-center-price strong.paid{font-size:17px!important;font-weight:850!important}
.course-center-single-row{grid-template-columns:36px minmax(0,1fr) auto!important;min-height:74px!important;padding:10px 2px!important}
.course-center-single-copy b{font-size:16px!important;font-weight:700!important;line-height:22px!important}
.course-center-single-desc{display:block;overflow:hidden;margin-top:3px;color:#71807a;font-size:11px;font-style:normal;line-height:15px;text-overflow:ellipsis;white-space:nowrap}
.course-center-single-copy small{margin-top:3px!important;font-size:10px!important;line-height:14px!important}
.course-center-single-row>.course-center-price{align-self:center;margin-left:12px}
.course-center-single-row>.course-center-price strong{font-size:17px!important;font-weight:850!important}

@media(max-width:720px){
  .course-center-page .course-center-camp-body>b{font-size:14px!important;line-height:1.35!important}
  .course-center-page .course-center-camp-body>em{margin-top:4px!important;font-size:10px!important;line-height:1.4!important;-webkit-line-clamp:2}
  .course-center-page .course-center-camp-meta{margin-top:5px!important}
  .course-center-page .course-center-camp-footer{margin-top:5px!important}
  .course-center-page .course-center-camp-footer .course-center-price strong.paid{font-size:13px!important}
  .course-center-single-row{grid-template-columns:31px minmax(0,1fr) auto!important;min-height:68px!important;padding:8px 0!important}
  .course-center-single-copy b{font-size:14px!important;line-height:19px!important}
  .course-center-single-desc{margin-top:2px;font-size:10px;line-height:14px}
  .course-center-single-copy small{margin-top:2px!important;font-size:9px!important;line-height:13px!important}
  .course-center-single-row>.course-center-price{margin-left:6px}
  .course-center-single-row>.course-center-price strong{font-size:14px!important}
}

/* v440：课程中心所有“会员免费”统一为暖橙小徽标；价格数字不被权益标签放大。 */
.course-center-page .course-center-camp-footer .member-free-note,
.course-center-page .course-center-camp-footer .course-center-price.is-member strong,
.course-center-single-row>.course-center-price.is-member strong{
  padding:3px 7px!important;
  border:1px solid rgba(200,117,8,.22)!important;
  border-radius:999px!important;
  background:#fff2d8!important;
  color:#c87508!important;
  font-size:10px!important;
  font-weight:800!important;
  line-height:1.2!important;
}

@media(max-width:720px){
  .course-center-page .course-center-camp-footer .member-free-note,
  .course-center-page .course-center-camp-footer .course-center-price.is-member strong,
  .course-center-single-row>.course-center-price.is-member strong{
    padding:2px 5px!important;
    font-size:10px!important;
  }
}

/* v431：视频播放页收藏回归右侧次要操作；课程目录收紧为可原位切课的播放列表。 */
body.learning-video > .learning-top .learning-reader-utility{position:relative!important;justify-content:center!important}
body.learning-video > .learning-top .learning-top-title{width:auto!important;max-width:calc(100% - 116px)!important;padding:0!important}
body.learning-video > .learning-top .reader-favorite-toggle{
  position:absolute!important;right:0!important;top:50%!important;transform:translateY(-50%)!important;
  display:inline-flex!important;align-items:center!important;justify-content:center!important;
  width:auto!important;min-width:64px!important;min-height:30px!important;height:30px!important;padding:0 9px!important;
  border:1px solid rgba(8,115,95,.20)!important;border-radius:999px!important;background:transparent!important;
  color:#08735f!important;font-size:12px!important;font-weight:750!important;line-height:1!important;white-space:nowrap!important;box-shadow:none!important
}
body.learning-video > .learning-top .reader-favorite-toggle.active{border-color:#08735f!important;background:rgba(8,115,95,.08)!important}
body.learning-video .learning-shell.is-video .learning-directory-inline{margin-top:22px!important;padding-top:18px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline-head{
  align-items:center!important;padding:13px 14px!important;border:0!important;border-radius:14px!important;background:rgba(8,115,95,.055)!important
}
body.learning-video .learning-shell.is-video .learning-directory-inline-head>div{gap:3px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline-head b{font-size:18px!important;line-height:1.3!important;font-weight:820!important}
body.learning-video .learning-shell.is-video .learning-directory-summary{display:block!important;color:#71807a!important;font-size:11px!important;line-height:1.45!important}
body.learning-video .learning-shell.is-video .learning-directory-inline-body{margin-top:8px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section+.v2-directory-section{margin-top:12px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle{
  min-height:46px!important;padding:10px 12px!important;border:0!important;border-radius:12px!important;background:rgba(18,35,29,.035)!important
}
body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{font-size:15px!important;line-height:1.35!important;font-weight:780!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter{
  grid-template-columns:28px minmax(0,1fr) auto!important;gap:10px!important;min-height:54px!important;
  margin:0!important;padding:10px 12px!important;border-bottom:1px solid rgba(18,35,29,.07)!important;
  border-radius:0!important;background:transparent!important
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-cover{display:none!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{
  overflow:hidden!important;font-size:14px!important;line-height:1.45!important;font-weight:720!important;
  white-space:nowrap!important;text-overflow:ellipsis!important
}
body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-state{
  display:inline-flex!important;align-items:center!important;justify-content:center!important;padding:4px 8px!important;
  border-radius:999px!important;background:rgba(18,35,29,.05)!important;color:#66736d!important;
  font-size:10px!important;font-weight:750!important;line-height:1!important;white-space:nowrap!important
}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
  margin:0!important;padding:10px 12px!important;border-radius:12px!important;border-bottom-color:transparent!important;
  background:rgba(8,115,95,.075)!important;box-shadow:inset 3px 0 0 #08735f!important
}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing::before{display:none!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-state{background:#08735f!important;color:#fff!important}

@media(max-width:720px){
  body.learning-video > .learning-top .learning-reader-utility{width:calc(100% - 24px)!important}
  body.learning-video > .learning-top .learning-top-title{max-width:calc(100% - 88px)!important;font-size:16px!important}
  body.learning-video > .learning-top .reader-favorite-toggle{right:0!important;min-width:58px!important;height:28px!important;min-height:28px!important;padding:0 8px!important;font-size:11px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline{margin-top:20px!important;padding-top:16px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-head{padding:11px 12px!important;border-radius:12px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline-head b{font-size:16px!important}
  body.learning-video .learning-shell.is-video .learning-directory-summary{font-size:10px!important}
  body.learning-video .learning-shell.is-video .learning-directory-actions .learning-directory-expand{min-width:70px!important;min-height:28px!important;padding:0 8px!important;font-size:10px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle{min-height:44px!important;padding:9px 10px!important;border-radius:11px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-toggle h3{font-size:14px!important;white-space:nowrap!important;text-overflow:ellipsis!important;overflow:hidden!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter{grid-template-columns:26px minmax(0,1fr) auto!important;gap:8px!important;min-height:50px!important;padding:9px 8px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-no{width:24px!important;height:24px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{font-size:13px!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-state{padding:4px 7px!important;font-size:9px!important}
body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{padding:9px 8px!important;border-radius:10px!important}
}

/* v438：移动端播放目录章节竖排、课节横滑；播放器位置不再被长目录推走。 */
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .video-main{
    border:0!important;
    border-radius:15px!important;
    background:#07120f!important;
    box-shadow:0 12px 28px rgba(9,25,22,.14)!important;
    contain:paint!important;
  }
  body.learning-video .learning-shell.is-video .video-main,
  body.learning-video .learning-shell.is-video .video-main video{
    transition:none!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-body{
    box-sizing:border-box!important;
    display:flex!important;
    gap:8px!important;
    flex-wrap:nowrap!important;
    overflow-x:auto!important;
    overflow-y:hidden!important;
    padding:2px 0 6px!important;
    margin-inline:-2px!important;
    scroll-snap-type:x mandatory!important;
    scrollbar-width:none!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-body::-webkit-scrollbar{display:none!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section{
    border-bottom:0!important;
    padding-bottom:14px!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section:last-child{padding-bottom:0!important}
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter{
    display:grid!important;
    grid-template-columns:auto minmax(0,1fr)!important;
    grid-template-rows:auto minmax(0,1fr)!important;
    gap:7px!important;
    align-content:start!important;
    flex:0 0 calc(50% - 4px)!important;
    min-width:calc(50% - 4px)!important;
    max-width:calc(50% - 4px)!important;
    height:112px!important;
    padding:10px!important;
    border:1px solid rgba(18,35,29,.10)!important;
    border-radius:12px!important;
    background:#fff!important;
    box-shadow:none!important;
    scroll-snap-align:start!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-no{
    grid-row:1!important;grid-column:1!important;
    width:24px!important;height:24px!important;border-radius:8px!important;
    background:#e5f2ed!important;color:#08735f!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-state{
    grid-row:1!important;grid-column:2!important;
    justify-self:end!important;align-self:center!important;margin:0!important;
    max-width:100%!important;overflow:hidden!important;
    padding:4px 7px!important;font-size:9px!important;
    background:rgba(18,35,29,.05)!important;text-overflow:ellipsis!important;white-space:nowrap!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main{
    grid-row:2!important;grid-column:1/-1!important;min-width:0!important;min-height:0!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-chapter-main b{
    display:-webkit-box!important;overflow:hidden!important;
    color:#152a26!important;font-size:12.5px!important;font-weight:750!important;
    line-height:1.4!important;white-space:normal!important;
    -webkit-box-orient:vertical!important;-webkit-line-clamp:3!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing{
    padding:10px!important;border-color:#08735f!important;border-radius:12px!important;
    background:#e9f5f1!important;box-shadow:none!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .learning-directory-chapter--playing .v2-chapter-state{
    background:#08735f!important;color:#fff!important;
  }
}

/* v439：章名与课节卡留出呼吸间距；换课时播放器外框高度保持稳定。 */
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .learning-directory-inline .directory-section-body{
    margin-top:6px!important;
    padding:12px 0 10px!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section{
    padding-bottom:20px!important;
  }
  body.learning-video .learning-shell.is-video .learning-directory-inline .v2-directory-section:last-child{
    padding-bottom:6px!important;
  }
  body.learning-video .learning-shell.is-video .video-main{
    position:relative!important;
    aspect-ratio:16/9!important;
    min-height:180px!important;
    overflow:hidden!important;
    background:#07120f!important;
    contain:layout paint!important;
    transform:translateZ(0)!important;
  }
  body.learning-video .learning-shell.is-video .video-main>video{
    position:absolute!important;inset:0!important;z-index:1!important;
    width:100%!important;height:100%!important;max-height:none!important;
    object-fit:contain!important;background:#07120f!important;
  }
  body.learning-video .learning-shell.is-video .video-main .video-trial-wrap{
    position:absolute!important;inset:0!important;z-index:1!important;
    width:100%!important;height:100%!important;
    background:#07120f!important;
  }
  body.learning-video .learning-shell.is-video .video-main .video-trial-wrap video{
    width:100%!important;height:100%!important;max-height:none!important;
    object-fit:contain!important;background:#07120f!important;
  }
}

/* v432：图文阅读页复用视频页顶栏胶囊规格；桌面常驻目录已足够，不再重复顶部入口。 */
body.learning-article > .learning-top .learning-reader-utility{
  position:relative!important;
  justify-content:flex-end!important;
  width:min(calc(100% - 48px),1180px)!important;
}
body.learning-article > .learning-top .reader-utility-actions{
  position:static!important;
  gap:8px!important;
}
body.learning-article > .learning-top .reader-utility-course .reader-utility-trigger,
body.learning-article > .learning-top .reader-utility-page .reader-utility-trigger,
body.learning-article > .learning-top .reader-favorite-toggle{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-width:64px!important;
  min-height:30px!important;
  height:30px!important;
  padding:0 9px!important;
  border:1px solid rgba(8,115,95,.20)!important;
  border-radius:999px!important;
  background:transparent!important;
  color:#08735f!important;
  font-size:12px!important;
  font-weight:750!important;
  line-height:1!important;
  white-space:nowrap!important;
  box-shadow:none!important;
}
body.learning-article > .learning-top .reader-utility-course .reader-utility-trigger .reader-menu-icon{
  background:
    linear-gradient(#08735f,#08735f) 0 0/13px 1.5px no-repeat,
    linear-gradient(#08735f,#08735f) 0 5px/9px 1.5px no-repeat,
    linear-gradient(#08735f,#08735f) 0 10px/13px 1.5px no-repeat!important;
}
body.learning-article > .learning-top .reader-utility-page .reader-utility-trigger i{
  font-size:14px!important;
  line-height:1!important;
}
body.learning-article > .learning-top .reader-favorite-toggle.active{
  border-color:#08735f!important;
  background:rgba(8,115,95,.08)!important;
}
@media(max-width:720px){
  body.learning-article > .learning-top .learning-reader-utility{width:100%!important;min-height:44px!important}
  body.learning-article > .learning-top .learning-reader-utility{justify-content:space-between!important}
  body.learning-article > .learning-top .reader-utility-course .reader-utility-trigger,
  body.learning-article > .learning-top .reader-utility-page .reader-utility-trigger,
  body.learning-article > .learning-top .reader-favorite-toggle{
    min-width:58px!important;
    min-height:28px!important;
    height:28px!important;
    padding:0 8px!important;
    font-size:11px!important;
  }
  body.learning-article > .learning-top .reader-utility-page .reader-utility-trigger i{font-size:13px!important}
}
@media(max-width:1329px) and (min-width:901px){
  .learning-grid.learning-grid--article,
  .learning-grid.learning-grid--article:not(.has-toc){
    box-sizing:border-box!important;
    width:calc(100% - 32px)!important;
    grid-template-columns:minmax(205px,230px) minmax(0,1fr) minmax(180px,205px)!important;
    gap:18px!important;
  }
  .learning-shell.is-article .learning-outline--desktop{
    position:sticky!important;
    top:102px!important;
    left:auto!important;
    bottom:auto!important;
    width:auto!important;
    max-width:100%!important;
    transform:none!important;
    padding:0 10px 0 0!important;
  }
  .learning-shell.is-article .article-page-toc{
    display:block!important;
    width:auto!important;
    max-width:100%!important;
  }
}

/* v433：桌面隐藏只剩收藏的空顶栏；移动顶栏与正文同轨并压低上下留白。 */
@media(min-width:901px){
  body.learning-article > .learning-top{display:none!important}
}
@media(max-width:720px){
  body.learning-article > .learning-top{min-height:44px!important}
  body.learning-article > .learning-top .learning-reader-utility{width:100%!important;min-height:44px!important}
  .learning-shell.is-article .article-reading-actions{display:none!important}
}
.learning-shell.is-article .article-toc-head{
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:12px!important;
}
.learning-shell.is-article .article-toc-head .article-toc-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.learning-shell.is-article .article-toc-head .reader-favorite-toggle{
  flex:0 0 auto!important;
  box-sizing:border-box!important;
  min-width:64px!important;
  min-height:30px!important;
  height:30px!important;
  padding:0 9px!important;
  border:1px solid rgba(8,115,95,.20)!important;
  border-radius:999px!important;
  background:transparent!important;
  color:#08735f!important;
  font-size:12px!important;
  font-weight:750!important;
  line-height:1!important;
  white-space:nowrap!important;
  box-shadow:none!important;
}
.learning-shell.is-article .article-toc-head .reader-favorite-toggle.active{border-color:#08735f!important;background:rgba(8,115,95,.08)!important}

/* v434：图文收尾用细线区隔；上一节/下一节收敛为双栏阅读卡。 */
.learning-shell.is-article .article-end-mark{
  display:flex!important;
  align-items:center!important;
  gap:14px!important;
  margin:36px 0 0!important;
  padding:0!important;
  border:0!important;
  background:transparent!important;
  color:#687b74!important;
  font-size:12px!important;
  font-weight:750!important;
  line-height:1!important;
  text-align:center!important;
}
.learning-shell.is-article .article-end-mark::before,
.learning-shell.is-article .article-end-mark::after{
  flex:1 1 0!important;
  height:1px!important;
  background:rgba(18,35,29,.10)!important;
  content:""!important;
}
.learning-shell.is-article .article-bottom-nav{
  display:grid!important;
  grid-template-columns:repeat(2,minmax(0,1fr))!important;
  gap:10px!important;
  margin-top:14px!important;
  padding:0!important;
  border:0!important;
  background:transparent!important;
}
.learning-shell.is-article .article-nav-placeholder{display:none!important}
.learning-shell.is-article .article-bottom-nav>.article-next:first-child{grid-column:1/-1!important}
.learning-shell.is-article .article-bottom-nav .article-prev,
.learning-shell.is-article .article-bottom-nav .article-next{
  display:grid!important;
  align-content:start!important;
  gap:7px!important;
  box-sizing:border-box!important;
  min-height:70px!important;
  padding:14px 15px!important;
  border:1px solid rgba(18,35,29,.10)!important;
  border-radius:12px!important;
  background:rgba(255,254,250,.82)!important;
  color:#152a26!important;
  font:inherit!important;
  text-decoration:none!important;
  overflow:hidden!important;
  white-space:normal!important;
}
.learning-shell.is-article .article-bottom-nav .article-prev:hover{border-color:rgba(8,115,95,.28)!important;background:#f5faf7!important}
.learning-shell.is-article .article-bottom-nav .article-nav-label{
  display:inline-flex!important;
  align-items:center!important;
  gap:5px!important;
  color:#687b74!important;
  font-size:11px!important;
  font-weight:750!important;
  line-height:1!important;
}
.learning-shell.is-article .article-bottom-nav .article-nav-title{
  display:-webkit-box!important;
  overflow:hidden!important;
  -webkit-box-orient:vertical!important;
  -webkit-line-clamp:2!important;
  white-space:normal!important;
  font-size:13px!important;
  line-height:1.35!important;
  font-weight:800!important;
}
.learning-shell.is-article .article-bottom-nav .article-next{
  border-color:transparent!important;
  background:#08735f!important;
  color:#fff!important;
}
.learning-shell.is-article .article-bottom-nav .article-next:hover{background:#056b58!important}
.learning-shell.is-article .article-bottom-nav .article-next .article-nav-label{color:rgba(255,255,255,.78)!important}
.learning-shell.is-article .article-share-action{
  grid-column:1/-1!important;
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:40px!important;
  margin:0!important;
  padding:0 18px!important;
  border:1px solid rgba(18,35,29,.10)!important;
  border-radius:999px!important;
  background:rgba(255,254,250,.78)!important;
  color:#08735f!important;
  font-size:12px!important;
  font-weight:800!important;
  line-height:1!important;
}
.learning-shell.is-article .article-share-action:hover{border-color:rgba(8,115,95,.28)!important;background:#f5faf7!important;text-decoration:none!important}
@media(max-width:720px){
  .learning-shell.is-article .article-end-mark{margin-top:28px!important;font-size:11px!important}
  .learning-shell.is-article .article-bottom-nav{gap:9px!important;margin-top:12px!important}
  .learning-shell.is-article .article-bottom-nav .article-prev,
  .learning-shell.is-article .article-bottom-nav .article-next{
    min-height:64px!important;
    padding:13px 12px!important;
  }
  .learning-shell.is-article .article-bottom-nav .article-nav-title{font-size:12px!important}
  .learning-shell.is-article .article-share-action{min-height:38px!important;font-size:12px!important}
}

/* v442/v489：视频双层水印。顶部联系信息滚动，昵称 UID 漂浮追踪。 */
.video-protected-frame{
  position:relative;display:grid;place-items:center;width:100%;max-width:100%;overflow:hidden;background:#07120f;
  container:video-watermark / inline-size
}
.video-protected-frame>video,.video-protected-frame>.video-trial-wrap video{
  display:block;width:100%;height:auto;max-height:72dvh;object-fit:contain;background:#07120f
}
.video-protected-frame.is-tencent-vod{display:block;aspect-ratio:16/9;overflow:visible}
.video-protected-frame.is-tencent-vod>.tcplayer,
.video-protected-frame.is-tencent-vod>.tcplayer-video,
.video-protected-frame.is-tencent-vod .tcplayer{
  position:relative;width:100%!important;height:100%!important;max-height:none!important;background:#07120f
}
.video-protected-frame.is-tencent-vod .video-owner-marquee,
.video-protected-frame.is-tencent-vod .video-user-watermark{z-index:8}
.video-protected-frame.is-tencent-vod .tcplayer-control-bar{z-index:12}
.video-protected-frame.is-tencent-vod .video-owner-marquee,
.video-protected-frame.is-tencent-vod .video-user-watermark{
  position:absolute!important;pointer-events:none!important;user-select:none!important;
  z-index:2147483600!important
}
.video-protected-frame.is-hard-marquee .video-owner-marquee{display:none!important}
.video-mobile-quality-launcher{display:none!important;align-items:center;justify-content:center;gap:4px;min-width:72px;padding:0 8px;color:#fff!important;font-size:12px!important;white-space:nowrap}
.video-mobile-quality-launcher span{opacity:.78;font-size:10px}
.video-mobile-quality-launcher b{font-weight:750}
.video-mobile-quality-menu{position:absolute;right:12px;bottom:58px;z-index:2147483600;display:flex;flex-direction:column;min-width:92px;overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:9px;background:rgba(11,18,16,.94);box-shadow:0 10px 28px rgba(0,0,0,.35)}
.video-mobile-quality-menu[hidden]{display:none!important}
.video-mobile-quality-menu button{min-height:38px;padding:0 14px;border:0;background:transparent;color:rgba(255,255,255,.88);font-size:13px;text-align:left}
.video-mobile-quality-menu button+button{border-top:1px solid rgba(255,255,255,.09)}
.video-mobile-quality-menu button.is-active{background:rgba(255,255,255,.14);color:#fff;font-weight:800}
@media (pointer:coarse),(max-width:820px){
  .video-protected-frame.is-tencent-vod .tcp-video-quality-switcher{display:none!important}
  .video-protected-frame.is-tencent-vod .video-mobile-quality-launcher{
    display:flex!important;flex:0 0 48px!important;width:48px!important;min-width:48px!important;
    padding:0 4px!important;font-size:12px!important
  }
  .video-protected-frame.is-tencent-vod .video-mobile-quality-launcher b{font-size:12px;font-weight:750}
  .video-protected-frame.is-tencent-vod .video-mobile-quality-menu{
    right:8px;bottom:52px;min-width:96px;border-radius:10px
  }
}
.video-protected-frame.is-tencent-vod .tcp-subtitle-quality-switcher,
.video-protected-frame.is-tencent-vod .vjs-subs-caps-button,
.video-protected-frame.is-tencent-vod .vjs-captions-button,
.video-protected-frame.is-tencent-vod .vjs-subtitles-button{display:none!important}
.video-owner-marquee{
  position:absolute;left:0;right:0;top:max(4.5%,calc(env(safe-area-inset-top) + 8px));
  z-index:9;overflow:hidden;pointer-events:none;user-select:none;
  height:clamp(26px,2.7vw,34px)
}
.video-owner-marquee span{
  position:absolute;left:0;top:50%;
  display:inline-block;width:max-content;white-space:nowrap;
  color:rgba(255,255,255,.95);mix-blend-mode:normal;
  font-size:clamp(11px,1.05vw,14px);font-weight:800;letter-spacing:.03em;line-height:1.25;
  will-change:transform;
  animation:video-owner-marquee-scroll 180s linear infinite;
  animation-delay:-150s
}
.video-user-watermark{
  position:absolute;left:var(--video-watermark-left,50%);top:var(--video-watermark-top,50%);
  z-index:8;transform:translate(-50%,-50%);
  display:block;width:max-content;max-width:var(--video-watermark-max-width,min(88vw,540px));
  padding:4px 7px;
  overflow:hidden;pointer-events:none;user-select:none;text-align:center;
  color:rgba(255,255,255,.95);mix-blend-mode:normal;
  animation:video-watermark-center-drift 23s ease-in-out -5s infinite alternate
}
.video-user-watermark span{
  display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-size:clamp(12px,1.25vw,16px);font-weight:800;letter-spacing:.04em;line-height:1.25;
  text-shadow:0 1px 2px rgba(0,0,0,.95),0 0 4px rgba(0,0,0,.72)
}
video::cue(c.video-owner-marquee){
  color:rgba(255,255,255,.95);
  background-color:transparent;
  font-size:max(9px,1.05vw);
  font-weight:800;
  letter-spacing:.03em;
  text-shadow:none;
  white-space:nowrap!important
}
video::cue(c.video-user-trace){
  color:rgba(255,255,255,.99);
  background-color:transparent;
  font-size:max(8px,.95vw);
  font-weight:800;
  letter-spacing:.04em;
  text-shadow:0 1px 2px rgba(0,0,0,.95),0 0 4px rgba(0,0,0,.72);
  white-space:nowrap!important
}
video::cue{background-color:transparent;white-space:nowrap!important}
video::-webkit-media-text-track-display{background:transparent!important}
video::-webkit-media-text-track-display{white-space:nowrap!important}
video::-webkit-media-text-track-display-backdrop{background:transparent!important}
@keyframes video-owner-marquee-scroll{
  0%,83.32%{transform:translate(100vw,-50%);opacity:0}
  83.4%,100%{opacity:1}
  100%{transform:translate(-100%,-50%)}
}
@supports (width:1cqi){
  @keyframes video-owner-marquee-scroll{
    0%,83.32%{transform:translate(100cqi,-50%);opacity:0}
    83.4%,100%{opacity:1}
    100%{transform:translate(-100%,-50%)}
  }
}
@keyframes video-watermark-center-drift{
  0%{transform:translate(calc(-50% - var(--video-watermark-drift-x,10vw)),calc(-50% - var(--video-watermark-drift-y,6vh)));opacity:.84}
  35%{transform:translate(calc(-50% + var(--video-watermark-drift-x,9vw)),calc(-50% - var(--video-watermark-drift-y,6vh)*.5));opacity:.96}
  68%{transform:translate(calc(-50% + var(--video-watermark-drift-x,9vw)*.65),calc(-50% + var(--video-watermark-drift-y,6vh)*1.15));opacity:.86}
  100%{transform:translate(calc(-50% - var(--video-watermark-drift-x,9vw)*.8),calc(-50% + var(--video-watermark-drift-y,6vh)*.82));opacity:.94}
}
/* v480：桌面原生/腾讯播放器全屏必须真正铺满视口，清除页面态 max-height 与比例约束。 */
.video-protected-frame>video:fullscreen,
.video-protected-frame>video:-webkit-full-screen,
.video-protected-frame.is-tencent-vod .tcplayer.vjs-fullscreen{
  position:fixed!important;inset:0!important;width:100vw!important;height:100vh!important;
  max-width:none!important;max-height:none!important;aspect-ratio:auto!important;margin:0!important;
  object-fit:contain!important;background:#07120f!important
}
.video-protected-frame.is-tencent-vod .tcplayer.vjs-fullscreen .vjs-tech{
  position:absolute!important;inset:0!important;width:100%!important;height:100%!important;
  max-width:none!important;max-height:none!important;object-fit:contain!important
}
.video-protected-frame.is-tencent-vod .tcplayer.vjs-fullscreen .video-user-watermark{
  position:absolute!important;inset:auto!important;left:50%!important;top:50%!important;z-index:30!important;
  width:max-content!important;height:auto!important
}
.video-protected-frame.is-tencent-vod .tcplayer.vjs-fullscreen .video-owner-marquee{
  top:max(4.5%,calc(env(safe-area-inset-top) + 8px))!important;z-index:30!important
}
.video-protected-frame.is-tencent-vod .tcplayer.vjs-full-window .video-user-watermark{
  position:absolute!important;inset:auto!important;left:50%!important;top:50%!important;z-index:30!important;
  width:max-content!important;height:auto!important
}
.video-protected-frame.is-tencent-vod .tcplayer.vjs-full-window .video-owner-marquee{
  top:max(4.5%,calc(env(safe-area-inset-top) + 8px))!important;z-index:30!important
}

body.protected-video-fullscreen-open{overflow:hidden!important;overscroll-behavior:none}
.video-protected-frame.is-protected-fullscreen{
  position:fixed!important;inset:0!important;z-index:2147483000!important;display:block!important;
  top:var(--protected-fullscreen-top,0)!important;left:0!important;right:0!important;
  width:auto!important;height:var(--protected-fullscreen-height,100dvh)!important;
  max-width:none!important;max-height:none!important;
  aspect-ratio:auto!important;border-radius:0!important;overflow:hidden!important;background:#000!important
}
.video-protected-frame.is-protected-fullscreen .tcplayer{
  position:absolute!important;inset:0!important;width:100%!important;height:100%!important;
  max-width:none!important;max-height:none!important;aspect-ratio:auto!important;background:#000!important
}
.video-protected-frame.is-protected-fullscreen .vjs-tech{
  position:absolute!important;inset:0!important;width:100%!important;height:100%!important;
  max-width:none!important;max-height:none!important;object-fit:contain!important
}
.video-protected-frame.is-protected-fullscreen .video-user-watermark{
  left:var(--video-watermark-left,50%)!important;top:var(--video-watermark-top,50%)!important;
  z-index:2147483600!important;max-width:var(--video-watermark-max-width,min(92vw,720px))!important
}
.video-protected-frame.is-protected-fullscreen .video-owner-marquee{
  top:max(4.5%,calc(env(safe-area-inset-top) + 8px))!important;z-index:2147483600!important
}
.video-protected-frame.is-protected-fullscreen .video-owner-marquee span{
  font-size:clamp(12px,2vw,17px)!important
}
.video-protected-frame.is-protected-fullscreen .video-user-watermark span{
  font-size:clamp(13px,2.1vw,18px)!important
}
/* v485：全屏容器移动到 body 后，用 body 直下选择器压住学习页所有移动端布局。 */
.video-protected-frame:fullscreen,
.video-protected-frame:-webkit-full-screen{
  position:fixed!important;inset:0!important;width:100vw!important;height:100vh!important;
  max-width:none!important;max-height:none!important;aspect-ratio:auto!important;border-radius:0!important;overflow:hidden!important;background:#000!important
}
body>.video-protected-frame.is-protected-fullscreen{
  position:fixed!important;inset:0!important;z-index:2147483000!important;display:block!important;
  top:var(--protected-fullscreen-top,0)!important;left:0!important;right:0!important;
  width:auto!important;height:var(--protected-fullscreen-height,100dvh)!important;
  max-width:none!important;max-height:none!important;
  aspect-ratio:auto!important;border-radius:0!important;overflow:hidden!important;background:#000!important
}
body>.video-protected-frame.is-protected-fullscreen .tcplayer{
  position:absolute!important;inset:0!important;width:100%!important;height:100%!important;
  max-width:none!important;max-height:none!important;aspect-ratio:auto!important;background:#000!important
}
body>.video-protected-frame.is-protected-fullscreen .vjs-tech{
  position:absolute!important;inset:0!important;width:100%!important;height:100%!important;
  max-width:none!important;max-height:none!important;object-fit:contain!important
}
body>.video-protected-frame.is-protected-fullscreen .video-user-watermark{
  position:absolute!important;left:var(--video-watermark-left,50%)!important;top:var(--video-watermark-top,50%)!important;
  z-index:2147483600!important;max-width:var(--video-watermark-max-width,min(92vw,720px))!important
}
body>.video-protected-frame.is-protected-fullscreen .video-owner-marquee{
  position:absolute!important;left:0!important;right:0!important;top:max(4.5%,calc(env(safe-area-inset-top) + 8px))!important;
  z-index:2147483600!important
}
@supports not (height:100dvh){
  .video-protected-frame.is-protected-fullscreen{height:var(--protected-fullscreen-height,100vh)!important}
}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video .video-main>.video-protected-frame{
    position:absolute!important;inset:0!important;z-index:1!important;width:100%!important;height:100%!important
  }
  body.learning-video .learning-shell.is-video .video-main>.video-protected-frame>video,
  body.learning-video .learning-shell.is-video .video-main>.video-protected-frame>.video-trial-wrap,
  body.learning-video .learning-shell.is-video .video-main>.video-protected-frame>.video-trial-wrap video{
    width:100%!important;height:100%!important;max-height:none!important;object-fit:contain!important
  }
  body.learning-video .learning-shell.is-video .video-main>.video-protected-frame.is-tencent-vod{
    aspect-ratio:auto!important;overflow:visible!important
  }
  body.learning-video .learning-shell.is-video .video-main>.video-protected-frame.is-protected-fullscreen{
    position:fixed!important;inset:0!important;z-index:2147483000!important;width:100vw!important;height:100dvh!important;
    top:var(--protected-fullscreen-top,0)!important;left:0!important;right:0!important;width:auto!important;
    height:var(--protected-fullscreen-height,100dvh)!important;max-width:none!important;max-height:none!important;
    aspect-ratio:auto!important;border-radius:0!important;overflow:hidden!important;background:#000!important
  }
  .video-owner-marquee span{font-size:11px;padding:4px 9px}
  .video-user-watermark{max-width:var(--video-watermark-max-width,min(92vw,430px));padding:4px 7px}
  .video-user-watermark span{font-size:11px}
}

@media(prefers-reduced-motion:reduce){
  .video-user-watermark{animation:none}
  .video-owner-marquee span{animation-duration:180s;animation-delay:-150s}
}

/* v460：图文教程正文视频。播放地址由服务端按文章权限签发。 */
.v2-rich-content .article-inline-video,
.learning-article .article-inline-video{
  margin:24px 0;padding:0;overflow:hidden;border-radius:12px;background:#07120f;box-shadow:0 8px 28px rgba(9,35,28,.12)
}
.v2-rich-content .article-inline-player,
.learning-article .article-inline-player{
  display:block;width:100%;max-width:100%;aspect-ratio:16/9;object-fit:contain;background:#07120f
}
.v2-rich-content .article-inline-video figcaption,
.learning-article .article-inline-video figcaption{
  padding:9px 13px;background:#f5f8f7;color:#728079;font-size:12px;line-height:1.5
}
.article-inline-video-locked{
  display:grid;place-items:center;min-height:120px;margin:22px 0;padding:20px;border:1px solid #dbe5e1;border-radius:12px;background:#f5f8f7;color:#60716a;font-size:14px;font-weight:700;text-align:center
}
@media(max-width:720px){
  .v2-rich-content .article-inline-video,
  .learning-article .article-inline-video{margin:18px 0;border-radius:9px}
  .article-inline-video-locked{min-height:96px;margin:18px 0}
}

/* v527：播放器置顶但保留顶栏呼吸间距；课程卡恢复紧凑横排并用细线分隔。 */
body.learning-video > .learning-top{display:none!important}
.video-directory-drawer{display:none}
.video-directory-launch{display:none}
html.video-directory-lock,
html.video-directory-lock body{overflow:hidden!important;overscroll-behavior:none}
body.video-directory-open{touch-action:none}
.learning-shell.is-video .learning-directory-inline{display:none}
.learning-shell.is-video .video-course-card{display:none}
@media(max-width:720px){
  body.learning-video .learning-shell.is-video{padding-bottom:84px!important}
  .learning-shell.is-video .learning-main-stack{display:flex!important;flex-direction:column}
  body.learning-video .learning-shell.is-video .learning-grid{padding-top:10px!important}
  .learning-shell.is-video .video-main{order:-4!important;margin-bottom:10px!important}
  .video-directory-launch{order:-3!important;display:flex;flex:0 0 auto;align-items:center;justify-content:space-between;gap:12px;width:100%;margin:0 0 12px;padding:0;border:0;background:transparent}
  .video-directory-launch b{display:flex;flex:1 1 auto;align-items:center;gap:8px;min-width:0;color:#152a26;font-size:18px;font-weight:850;line-height:1.25}
  .video-directory-launch b::before{flex:0 0 auto;width:4px;height:20px;border-radius:999px;background:#f05a3f;content:''}
  .video-directory-launch button{flex:0 0 auto;display:inline-flex;align-items:center;gap:5px;margin:0;padding:0;border:0;background:transparent;color:#77867e;font-size:14px;font-weight:650;line-height:1.3}
  .video-directory-launch button:active{color:#e34b2e}
  body.learning-video .learning-shell.is-video .learning-directory-inline{order:-2!important;display:block!important;margin:0 0 12px!important;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}
  .video-course-card{order:0!important;display:flex!important;align-items:center!important;gap:10px!important;margin:2px 0 14px!important;padding:12px 10px 0!important;border:0!important;border-top:1px solid #e6ebe7!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;overflow:visible!important}
  .video-course-link{display:flex!important;flex:1 1 auto!important;min-width:0!important;align-items:center!important;gap:10px!important;color:inherit!important;text-decoration:none!important}
  .video-course-cover{display:grid!important;place-items:center!important;flex:0 0 76px!important;width:76px!important;height:52px!important;overflow:hidden!important;border-radius:8px!important;background:#e8efec!important;color:#08735f!important;font-size:17px!important;font-weight:850!important}
  .video-course-cover img{width:100%!important;height:100%!important;object-fit:cover!important}
  .video-course-copy{display:flex!important;flex:1 1 auto!important;min-width:0!important;flex-direction:column!important;gap:2px!important}
  .video-course-copy small{overflow:hidden!important;color:#718078!important;font-size:10px!important;line-height:1.3!important;text-overflow:ellipsis!important;white-space:nowrap!important}
  .video-course-copy b{overflow:hidden!important;color:#152a26!important;font-size:14px!important;font-weight:800!important;line-height:1.32!important;text-overflow:ellipsis!important;display:-webkit-box!important;-webkit-line-clamp:1!important;-webkit-box-orient:vertical!important}
  .video-course-favorite{flex:0 0 38px!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;width:38px!important;min-width:38px!important;max-width:38px!important;height:38px!important;min-height:38px!important;padding:0!important;border:1px solid rgba(8,115,95,.18)!important;border-radius:50%!important;background:#f7faf9!important;color:#08735f!important;font-size:17px!important;line-height:1!important;box-shadow:none!important}
  .video-course-favorite.active{border-color:#08735f!important;background:#08735f!important;color:#fff!important}
  .learning-shell.is-video .learning-comments{order:1!important}
  body.learning-video .learning-shell.is-video .learning-comments{margin:14px 0 0!important;padding-top:18px!important}
  .video-directory-drawer{position:fixed;inset:0;z-index:1200;display:block;visibility:visible;pointer-events:none}
  .video-directory-backdrop{position:absolute;inset:0;border:0;background:rgba(5,20,16,.42);opacity:0;pointer-events:none;transition:opacity .24s ease}
  .video-directory-drawer.is-open .video-directory-backdrop{opacity:1;pointer-events:auto}
  .video-directory-sheet{position:absolute;right:0;bottom:0;left:0;display:flex;flex-direction:column;min-height:340px;max-height:min(66dvh,600px);padding:8px 0 0;border-radius:22px 22px 0 0;background:#fbfaf7;box-shadow:0 -18px 46px rgba(8,35,27,.20);transform:translateY(calc(100% + 20px));transition:transform .34s cubic-bezier(.16,1,.3,1);pointer-events:none;overflow:hidden}
  .video-directory-drawer.is-open .video-directory-sheet{transform:translateY(0);pointer-events:auto}
  .video-directory-handle{display:block;width:40px;height:4px;margin:0 auto 8px;border-radius:999px;background:#c7d1cb}
  .video-directory-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 20px 14px;border-bottom:1px solid #e8ece8}
  .video-directory-heading{display:flex;align-items:center;min-width:0;gap:8px}
  .video-directory-heading i{flex:0 0 auto;width:4px;height:24px;border-radius:999px;background:#f05a3f}
  .video-directory-heading h2{margin:0;color:#152a26;font-size:20px;line-height:1.25;letter-spacing:-.025em;white-space:nowrap}
  .video-directory-heading span{overflow:hidden;color:#7a8981;font-size:12px;text-overflow:ellipsis;white-space:nowrap}
  .video-directory-close{flex:0 0 auto;width:32px;height:32px;padding:0;border:0;border-radius:50%;background:#eef2ee;color:#55655d;font-size:22px;line-height:1}
  .video-directory-body{min-height:0;flex:1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}
  .video-directory-list{padding:0 20px 8px}
  .video-directory-chapter{padding:14px 0 7px;color:#08735f;font-size:12px;font-weight:850;letter-spacing:.02em;border-bottom:1px solid rgba(18,35,29,.08)}
  .video-directory-item{display:grid;grid-template-columns:24px minmax(0,1fr) auto;gap:8px;align-items:center;min-height:56px;padding:12px 0;border-bottom:1px solid rgba(18,35,29,.08);color:#26362f;text-decoration:none}
  .video-directory-item>span{grid-column:2;overflow:hidden;font-size:16px;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}
  .video-directory-item>.video-directory-playing{grid-column:1}
  .video-directory-item>em{grid-column:3}
  .video-directory-item.is-current{color:#e34b2e;font-weight:850}
  .video-directory-item.is-locked{color:#9aa59f;cursor:not-allowed}
  .video-directory-item.is-locked span{font-weight:500}
  .video-directory-playing{display:flex;align-items:flex-end;justify-content:center;gap:2px;width:18px;height:18px}
  .video-directory-playing span{display:block;width:3px;border-radius:99px;background:#e34b2e}
  .video-directory-playing span:nth-child(1){height:8px}
  .video-directory-playing span:nth-child(2){height:16px}
  .video-directory-playing span:nth-child(3){height:11px}
  .video-directory-check,.video-directory-lock{font-size:13px;font-style:normal;color:#8d9b94}
  .video-directory-check{color:#2fa985;font-size:17px}
  .video-directory-sheet-close{flex:0 0 auto;min-height:58px;padding:0 20px calc(0px + env(safe-area-inset-bottom));border:0;border-top:1px solid #e8ece8;background:#fff;color:#26362f;font-size:17px;font-weight:500}
}

/* v536：课程中心两列卡片跟随首页放宽间距，同时保留多卡横向滑动。 */
.course-center-page .course-center-video-row,
.course-center-page .course-center-column-row{
  display:grid!important;
  grid-auto-flow:column!important;
  grid-auto-columns:calc((100% - 28px) / 2)!important;
  gap:32px 28px!important;
}

/* v551：前台易用性收尾。保留移动悬浮联系入口，不改播放器、清晰度、全屏和水印。 */
.detail-action-primary{display:grid;gap:10px}
.detail-action-secondary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}
.detail-action-secondary .detail-secondary-action{min-width:0!important;min-height:42px!important;padding-inline:10px!important;font-size:12px!important}
.video-locked-card{min-height:100%;display:grid!important;place-items:center;padding:14px;box-sizing:border-box}
.video-locked-panel{display:grid;justify-items:center;gap:4px;width:min(78%,360px);padding:12px 14px;border:1px solid rgba(255,255,255,.14);border-radius:15px;background:rgba(255,255,255,.075);box-shadow:0 12px 34px rgba(0,0,0,.18);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);text-align:center}
.video-locked-panel>span{font-size:17px;line-height:1}
.video-locked-panel>b{color:#fff;font-size:14px;line-height:1.3}
.video-locked-panel>p{margin:0;color:rgba(255,255,255,.62);font-size:10px;line-height:1.35}
.video-locked-actions{display:grid;grid-template-columns:1.15fr .85fr;gap:6px;width:100%;margin-top:3px}
.video-locked-card .btn{min-height:32px;padding:6px 10px;font-size:11px;white-space:nowrap}
.video-locked-card .btn-ghost{border-color:rgba(255,255,255,.5)!important;background:rgba(255,255,255,.08)!important;color:#fff!important}
.learning-comments-locked .le-comments{display:flex;align-items:center;justify-content:space-between;gap:18px}
.learning-comments-lock-copy{display:flex;align-items:center;gap:12px}
.learning-comments-lock-copy>span{font-size:22px}
.learning-comments-lock-copy b{display:block;color:var(--ink);font-size:15px}
.learning-comments-lock-copy p{margin:4px 0 0;color:var(--muted);font-size:12px}
.article-reading-progress{position:fixed;z-index:930;top:60px;left:0;width:100%;height:3px;background:rgba(7,95,80,.08);pointer-events:none}
.article-reading-progress>i{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--brand),#d6a646);transition:width .1s linear}
.learning-article.has-document-lead>.article-document-lead-item{max-width:680px;margin-inline:auto;text-align:center}
.course-center-tabs{position:relative}
.course-center-tab{min-height:44px}
.course-center-section-head a{display:inline-flex!important;align-items:center!important;min-height:44px!important;padding-inline:8px!important;margin-block:-10px!important;margin-inline:-8px!important}
.course-center-single-copy b{display:-webkit-box!important;overflow:hidden!important;white-space:normal!important;text-overflow:clip!important;-webkit-box-orient:vertical!important;-webkit-line-clamp:2!important}
.member-plan-v2.selected{box-shadow:inset 0 0 0 2px rgba(194,139,39,.42)!important}
.member-plan-v2.selected::before{content:'✓';position:absolute;right:14px;bottom:13px;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--gold-deep);color:#fff;font-size:12px;font-weight:900}
.contact-detail-row button,.contact-detail-row a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin:-10px -8px -10px 0;padding:8px}
.support-contact-qr span{max-width:220px;line-height:1.6}
.account-tabs button,.pc-course-filter button{min-height:44px}
.footer-grid a{display:flex;align-items:center;min-height:36px;padding-block:6px}
.camp-detail-hero .v2-detail-copy h1{max-width:680px;font-size:clamp(32px,3.5vw,48px);text-wrap:balance}
.unlock-choice-modal{width:min(450px,calc(100vw - 42px));padding:22px;background:rgba(255,253,248,.84)!important;box-shadow:0 24px 70px rgba(5,24,18,.2)!important;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
#unlockChoiceModal{background:rgba(7,20,16,.38);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}
.unlock-choice-kicker{display:block;margin-bottom:5px;color:var(--brand);font-size:10px;font-weight:800;letter-spacing:.1em}
.unlock-choice-modal .modal-title{margin-bottom:4px;font-size:18px}
.unlock-choice-intro{margin:5px 0 13px;color:var(--muted);font-size:12px;line-height:1.5}
.unlock-choice-list{display:grid;gap:8px}
.unlock-choice-card{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-height:72px;padding:12px 14px;border:1px solid rgba(200,211,205,.78);border-radius:14px;background:rgba(255,255,255,.62);color:var(--ink);text-align:left;cursor:pointer;transition:.2s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.unlock-choice-card:hover{border-color:rgba(7,95,80,.42);transform:translateY(-1px)}
.unlock-choice-card.is-recommended{padding-top:19px;border:1.5px solid var(--brand);background:linear-gradient(135deg,rgba(224,244,237,.72),rgba(250,241,216,.62));box-shadow:0 8px 22px rgba(7,95,80,.08)}
.unlock-choice-badge{position:absolute;top:-1px;left:13px;padding:2px 8px;border-radius:0 0 7px 7px;background:rgba(7,95,80,.88);color:#fff;font-size:9px;font-weight:800}
.unlock-choice-copy{display:grid;gap:2px}
.unlock-choice-copy b{font-size:14px}
.unlock-choice-copy small{color:var(--brand);font-size:11px;font-weight:800}
.unlock-choice-copy em{color:var(--muted);font-size:10px;font-style:normal;line-height:1.35}
.unlock-choice-card>strong{color:var(--brand);font-size:18px;white-space:nowrap}
.unlock-choice-modal>.note{margin:10px 0 0;text-align:center;font-size:10px}

@media(max-width:720px){
  .v2-detail-actions{display:block!important}
  .detail-action-secondary{gap:8px;margin-top:8px}
  .detail-action-secondary .detail-secondary-action{min-height:44px!important}
  .video-locked-card{padding:8px}
  .video-locked-panel{width:min(76%,270px);padding:9px 10px;border-radius:12px}
  .video-locked-panel>span{font-size:14px}
  .video-locked-panel>b{font-size:12px}
  .video-locked-panel>p{font-size:9px}
  .video-locked-card .btn{min-height:29px;padding:5px 6px;font-size:9px}
  .learning-comments-locked .le-comments{align-items:stretch;flex-direction:column;padding-bottom:18px!important}
  body.learning-video .learning-shell.is-video{padding-bottom:calc(116px + env(safe-area-inset-bottom,0px))!important}
  .article-reading-progress{top:60px}
  .learning-article.has-document-lead>.article-document-lead-item{margin-block:10px!important;padding-block:0!important;min-height:0!important}
  .learning-article.has-document-lead>.article-document-lead-item.is-empty{display:none!important}
  .learning-article.has-document-lead>hr.article-document-lead-item{margin-block:22px!important}
  .course-center-tabs{padding-right:34px!important;scroll-padding-right:34px;mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 30px),transparent 100%);-webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 30px),transparent 100%)}
  .course-center-tabs::after{content:'›';position:sticky;right:2px;display:grid;place-items:center;flex:0 0 24px;height:44px;margin-left:-16px;border-radius:999px;background:rgba(255,253,248,.9);color:var(--brand);font-size:19px;font-weight:800;pointer-events:none}
  .course-center-tab{padding:8px 15px!important}
  .course-center-single-row{min-height:78px!important}
  .course-center-single-copy b{-webkit-line-clamp:2!important;line-height:19px!important}
  .about-v2-grid{display:flex!important;flex-direction:column!important;gap:24px!important}
  .about-v2-copy{order:-1}
  .about-v2-copy h1{font-size:34px!important}
  .about-portrait-block{width:100%}
  .about-portrait-title{display:none}
  .about-portrait{height:260px!important;border-radius:28px!important}
  .about-portrait-img{border-radius:21px!important;object-position:center 18%!important}
  .member-plan-v2.selected::before{right:6px;bottom:7px;width:18px;height:18px;font-size:10px}
  .account-tabs{scroll-padding-inline:12px}
  .account-tabs::after{content:'›';position:sticky;right:0;display:grid;place-items:center;flex:0 0 28px;align-self:stretch;background:linear-gradient(90deg,transparent,var(--paper) 38%);color:var(--brand);pointer-events:none}
  .support-contact-qr span{font-size:13px}
  .camp-detail-hero .v2-detail-copy h1{font-size:29px}
  .unlock-choice-modal{width:min(330px,calc(100vw - 46px));padding:18px 15px 14px;border-radius:18px!important}
  .unlock-choice-modal .modal-close{top:11px;right:12px;font-size:20px}
  .unlock-choice-card{min-height:66px;padding:10px 12px;gap:8px;border-radius:12px}
  .unlock-choice-card.is-recommended{padding-top:18px}
  .unlock-choice-card>strong{font-size:17px}
  .footer-grid a{min-height:40px}
}

/* v609：移动端账户与课程分类不再依赖横向滑动；入口自动换行，首屏即可看全。 */
@media(max-width:720px){
  body[data-route="my"] .account-tabs{
    display:grid!important;
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
    gap:8px!important;
    width:100%!important;
    overflow:visible!important;
    scroll-padding-inline:0!important;
  }
  body[data-route="my"] .account-tabs::after{display:none!important}
  body[data-route="my"] .account-tabs button{
    width:100%!important;
    min-width:0!important;
    min-height:38px!important;
    padding:8px 4px!important;
    overflow:hidden!important;
    text-overflow:ellipsis!important;
    white-space:nowrap!important;
    font-size:12px!important;
  }

  .course-center-page .course-center-tabs,
  .single-content-page .course-center-tabs{
    display:grid!important;
    grid-template-columns:repeat(3,minmax(0,1fr))!important;
    gap:8px!important;
    padding:2px 0 9px!important;
    overflow:visible!important;
    scroll-padding-right:0!important;
    mask-image:none!important;
    -webkit-mask-image:none!important;
  }
  .course-center-page .course-center-tabs::after,
  .single-content-page .course-center-tabs::after{display:none!important}
  .course-center-page .course-center-tab,
  .single-content-page .course-center-tab{
    width:100%!important;
    min-width:0!important;
    padding:8px 4px!important;
    overflow:hidden!important;
    text-overflow:ellipsis!important;
    white-space:nowrap!important;
    text-align:center!important;
  }
}
.course-center-page .course-center-video-row>.course-center-video-card,
.course-center-page .course-center-column-row>.course-center-column-card{
  flex:none!important;
  width:auto!important;
  min-width:0!important;
  max-width:none!important;
}

@media(max-width:720px){
  .course-center-page .course-center-video-row,
  .course-center-page .course-center-column-row{
    grid-auto-columns:calc((100% - 12px) / 2)!important;
    gap:18px 12px!important;
  }
}

/* v610：课程中心移动端收紧首屏头部，减少品牌说明与分类区的空占位。 */
@media(max-width:720px){
  .course-center-page .course-center-hero{padding:0!important}
  .course-center-page .course-center-hero>.container{padding:8px 0 12px!important}
  .course-center-page .course-center-hero .section-kicker{margin-bottom:5px!important;font-size:11px!important;line-height:1.3!important}
  .course-center-page .course-center-hero h1{margin:3px 0 5px!important;font-size:28px!important;line-height:1.15!important}
  .course-center-page .course-center-hero p{max-width:100%!important;margin:0!important;font-size:11px!important;line-height:1.45!important}
  .course-center-page .course-center-main>.container{padding-top:16px!important}
  .course-center-page .course-center-tabs,
  .course-center-page .course-center-filters{margin-bottom:16px!important}
  .course-center-page .course-center-tabs:not(.course-center-tabs--with-filters),
  .course-center-page .course-center-filters{padding-bottom:6px!important}
}

/* v555：解锁界面重绘。播放器使用无边框悬浮提示，选择层改为紧凑的深色玻璃面板。 */
.video-locked-card{position:relative;background:radial-gradient(circle at 50% 48%,rgba(24,120,96,.16),transparent 38%),linear-gradient(180deg,#07130f 0%,#06100d 100%)!important}
.video-locked-panel{width:min(88%,340px);padding:0;gap:7px;border:0;border-radius:0;background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
.video-lock-mark{display:grid!important;place-items:center;width:34px;height:34px;border:1px solid rgba(255,255,255,.12);border-radius:50%;background:rgba(255,255,255,.07)}
.video-lock-mark svg{width:16px;height:16px;fill:none;stroke:#8ed4c0;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.video-locked-panel>b{font-size:16px;letter-spacing:.01em}
.video-locked-panel>p{font-size:11px;color:rgba(255,255,255,.56)}
.video-locked-actions{display:flex;align-items:center;justify-content:center;gap:15px;width:auto;margin-top:5px}
.video-locked-card .btn{min-height:34px;padding:7px 17px;border-radius:999px;font-size:11px;line-height:1;box-shadow:0 8px 20px rgba(0,102,82,.2)}
.video-locked-detail{display:inline-flex;align-items:center;gap:3px;min-height:34px;color:rgba(255,255,255,.7);font-size:11px;font-weight:700;text-decoration:none;white-space:nowrap}
.video-locked-detail i{font-size:15px;font-style:normal;transition:transform .2s ease}
.video-locked-detail:hover{color:#fff}
.video-locked-detail:hover i{transform:translateX(2px)}

#unlockChoiceModal{background:rgba(3,12,9,.52);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px)}
.unlock-choice-modal{width:min(390px,calc(100vw - 40px));padding:22px;border:1px solid rgba(255,255,255,.12)!important;background:linear-gradient(145deg,rgba(20,43,36,.95),rgba(8,25,20,.92))!important;color:#fff;box-shadow:0 24px 70px rgba(0,0,0,.42)!important;backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}
.unlock-choice-modal .modal-close{color:rgba(255,255,255,.58)}
.unlock-choice-kicker{max-width:calc(100% - 30px);margin-bottom:6px;overflow:hidden;color:#79cbb4;font-size:10px;text-overflow:ellipsis;white-space:nowrap}
.unlock-choice-modal .modal-title{margin-bottom:3px;color:#fff;font-size:19px;letter-spacing:-.02em}
.unlock-choice-intro{margin:3px 0 14px;color:rgba(255,255,255,.52);font-size:11px}
.unlock-choice-list{gap:8px}
.unlock-choice-card{min-height:66px;padding:11px 13px;border:1px solid rgba(255,255,255,.11);border-radius:13px;background:rgba(255,255,255,.055);color:#fff;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.unlock-choice-card:hover{border-color:rgba(121,203,180,.52);background:rgba(255,255,255,.085)}
.unlock-choice-card.is-recommended{padding-top:11px;border:1px solid rgba(91,196,166,.72);background:linear-gradient(135deg,rgba(31,112,91,.32),rgba(182,137,47,.1));box-shadow:inset 0 0 0 1px rgba(255,255,255,.025),0 10px 28px rgba(0,0,0,.13)}
.unlock-choice-copy{gap:2px}
.unlock-choice-copy b{display:flex;align-items:center;gap:7px;color:#fff;font-size:14px}
.unlock-choice-badge{position:static;padding:2px 6px;border-radius:999px;background:rgba(101,196,169,.19);color:#93ddc8;font-size:8px;line-height:1.45}
.unlock-choice-copy small{color:#79cbb4;font-size:10px}
.unlock-choice-copy em{color:rgba(255,255,255,.46);font-size:9px}
.unlock-choice-card>strong{color:#f2d38e;font-size:17px}
.unlock-choice-card:not(.is-recommended)>strong{color:rgba(255,255,255,.88)}

@media(max-width:720px){
  .video-locked-panel{width:min(88%,300px);gap:5px}
  .video-lock-mark{width:30px;height:30px}
  .video-lock-mark svg{width:14px;height:14px}
  .video-locked-panel>b{font-size:14px}
  .video-locked-panel>p{font-size:10px}
  .video-locked-actions{gap:13px;margin-top:4px}
  .video-locked-card .btn{min-height:32px;padding:6px 15px;font-size:10px}
  .video-locked-detail{min-height:32px;font-size:10px}
  .unlock-choice-modal{width:min(318px,calc(100vw - 52px));padding:18px 16px 16px;border-radius:18px!important}
  .unlock-choice-modal .modal-close{top:11px;right:12px}
  .unlock-choice-modal .modal-title{font-size:17px}
  .unlock-choice-intro{margin-bottom:12px;font-size:10px}
  .unlock-choice-card,.unlock-choice-card.is-recommended{min-height:60px;padding:9px 11px;border-radius:12px}
  .unlock-choice-copy b{font-size:13px}
  .unlock-choice-card>strong{font-size:16px}
}

/* v556：主按钮恢复“立即购买”，播放器双按钮等宽居中；半透明作用于弹窗本体。 */
.video-locked-actions{display:grid;grid-template-columns:repeat(2,112px);gap:10px;width:auto;margin-top:6px}
.video-locked-card .btn,.video-locked-detail{display:flex;align-items:center;justify-content:center;box-sizing:border-box;width:112px;min-height:34px;padding:7px 12px;border-radius:999px;font-size:11px;font-weight:750;line-height:1;text-align:center}
.video-locked-detail{border:1px solid rgba(255,255,255,.36);background:rgba(255,255,255,.07);color:rgba(255,255,255,.9);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.video-locked-detail:hover{border-color:rgba(255,255,255,.58);background:rgba(255,255,255,.12)}

#unlockChoiceModal{background:rgba(5,18,14,.16);backdrop-filter:none;-webkit-backdrop-filter:none}
.unlock-choice-modal{border:1px solid rgba(255,255,255,.68)!important;background:linear-gradient(145deg,rgba(250,250,246,.58),rgba(235,243,238,.50))!important;color:#142a24;box-shadow:0 26px 72px rgba(6,25,19,.22)!important;backdrop-filter:blur(18px) saturate(1.12);-webkit-backdrop-filter:blur(18px) saturate(1.12)}
.unlock-choice-modal .modal-close{color:rgba(20,42,36,.58)}
.unlock-choice-kicker{color:#08735f}
.unlock-choice-modal .modal-title{color:#142a24}
.unlock-choice-intro{color:rgba(20,42,36,.58)}
.unlock-choice-card{border-color:rgba(15,79,64,.18);background:rgba(255,255,255,.30);color:#142a24;box-shadow:inset 0 1px 0 rgba(255,255,255,.38)}
.unlock-choice-card:hover{border-color:rgba(7,115,95,.45);background:rgba(255,255,255,.52)}
.unlock-choice-card.is-recommended{border-color:rgba(7,115,95,.62);background:linear-gradient(135deg,rgba(211,241,230,.42),rgba(251,238,203,.32));box-shadow:inset 0 1px 0 rgba(255,255,255,.44),0 10px 26px rgba(7,95,80,.08)}
.unlock-choice-copy b{color:#142a24}
.unlock-choice-badge{background:rgba(7,115,95,.12);color:#08735f}
.unlock-choice-copy small{color:#08735f}
.unlock-choice-copy em{color:rgba(20,42,36,.52)}
.unlock-choice-card>strong{color:#9b6d12}
.unlock-choice-card:not(.is-recommended)>strong{color:#173c33}

@media(max-width:720px){
  .video-locked-actions{grid-template-columns:repeat(2,100px);gap:9px}
  .video-locked-card .btn,.video-locked-detail{width:100px;min-height:32px;padding:6px 9px;font-size:10px}
}

/* v572：详情目录统一为紧凑编号列表，弱化封面和边框噪音。 */
.detail-directory-panel .detail-directory-list .v2-directory-section{
  margin:0!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  overflow:visible!important;
}

.detail-directory-panel .detail-directory-list .v2-directory-section+.v2-directory-section{
  margin-top:18px!important;
  border-top:1px solid rgba(18,35,29,.08)!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle{
  min-height:48px!important;
  gap:10px!important;
  padding:13px 0 12px!important;
  border:0!important;
  border-bottom:1px solid rgba(18,35,29,.08)!important;
  border-radius:0!important;
  background:transparent!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle:hover,
.detail-directory-panel .detail-directory-list .v2-directory-section:not(.is-collapsed)>.directory-section-toggle{
  background:transparent!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle>span{
  flex:0 0 auto;
  color:#687b74!important;
  font-size:12px!important;
  font-weight:780!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle h3{
  flex:1 1 auto;
  min-width:0;
  color:#152a26!important;
  font-size:16px!important;
  font-weight:800!important;
  line-height:1.35!important;
  white-space:normal!important;
}

.detail-directory-panel .detail-directory-list .v2-directory-section:not(.is-collapsed)>.directory-section-toggle h3{
  color:#08735f!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle small{
  flex:0 0 auto;
  color:#687b74!important;
  font-size:12px!important;
  font-weight:650!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle i{
  color:#8a9993!important;
  font-size:15px!important;
  line-height:1!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter{
  grid-template-columns:26px minmax(0,1fr) auto!important;
  gap:12px!important;
  align-items:center!important;
  min-height:52px!important;
  padding:13px 0!important;
  border:0!important;
  border-bottom:1px dashed rgba(129,151,143,.36)!important;
  border-radius:0!important;
  background:transparent!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter:last-child{
  border-bottom:0!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter:hover b,
.detail-directory-panel .detail-directory-list a.v2-chapter:hover .v2-chapter-main b{
  color:#08735f!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-no{
  width:24px!important;
  height:24px!important;
  border-radius:999px!important;
  background:rgba(8,115,95,.08)!important;
  color:#08735f!important;
  font-size:10px!important;
  font-weight:800!important;
  line-height:1!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main{
  display:flex!important;
  flex-direction:column!important;
  justify-content:center!important;
  min-width:0!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main b{
  overflow:visible!important;
  color:#152a26!important;
  font-size:15px!important;
  font-weight:780!important;
  line-height:1.45!important;
  white-space:normal!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main p{
  display:none!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-cover{
  display:none!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-state{
  justify-self:end!important;
  margin:0!important;
  padding:0!important;
  border:0!important;
  background:transparent!important;
  color:#687b74!important;
  font-size:12px!important;
  font-weight:750!important;
  line-height:1.2!important;
  white-space:nowrap!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter.locked .v2-chapter-state{
  color:#8a9993!important;
}

@media(max-width:720px){
  .detail-directory-panel .detail-directory-list .v2-directory-section+.v2-directory-section{
    margin-top:15px!important;
  }

  .detail-directory-panel .detail-directory-list .directory-section-toggle{
    padding:12px 0 10px!important;
  }

  .detail-directory-panel .detail-directory-list .directory-section-toggle h3{
    font-size:15px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter{
    grid-template-columns:24px minmax(0,1fr) auto!important;
    gap:10px!important;
    min-height:48px!important;
    padding:11px 0!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-no{
    width:22px!important;
    height:22px!important;
    font-size:9px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-main b{
    font-size:14px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-state{
    font-size:11px!important;
  }
}

/* v572：小鹅通分组 + 编号列表 + 轻量封面，标题下用清晰类型标签。 */
body[data-route="course"] .detail-layout{
  background:#fff!important;
}

.detail-directory-panel{
  background:#fff!important;
}

.detail-directory-panel .detail-directory-list .v2-directory-section{
  margin:0!important;
  border:1px solid #dde8e3!important;
  border-radius:14px!important;
  background:#fff!important;
  overflow:hidden!important;
  box-shadow:none!important;
}

.detail-directory-panel .detail-directory-list .v2-directory-section+.v2-directory-section{
  margin-top:12px!important;
  border-top:1px solid #dde8e3!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle{
  min-height:46px!important;
  gap:8px!important;
  padding:11px 12px!important;
  border:0!important;
  border-bottom:1px solid #e4ece8!important;
  border-radius:0!important;
  background:#fff!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle>span{
  color:#52655e!important;
  font-size:11px!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle h3{
  color:#05231d!important;
  font-size:18px!important;
  font-weight:850!important;
}

.detail-directory-panel .detail-directory-list .v2-directory-section:not(.is-collapsed)>.directory-section-toggle h3{
  color:#071813!important;
}

.detail-directory-panel .detail-directory-list .directory-section-toggle small{
  color:#52655e!important;
  font-size:11px!important;
}

.detail-directory-panel .detail-directory-list .directory-section-body{
  background:#fff!important;
  padding:0!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter{
  grid-template-columns:24px minmax(0,1fr) 100px!important;
  gap:12px!important;
  align-items:center!important;
  min-height:70px!important;
  padding:12px!important;
  border:0!important;
  border-bottom:1px solid #edf3f0!important;
  border-radius:0!important;
  background:#fff!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter:last-child{
  border-bottom:0!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-no{
  width:22px!important;
  height:22px!important;
  background:transparent!important;
  color:#25372f!important;
  font-size:12px!important;
  font-weight:800!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main b{
  color:#05231d!important;
  font-size:16px!important;
  font-weight:800!important;
  line-height:1.4!important;
}

.detail-directory-panel .detail-directory-list a.v2-chapter:hover .v2-chapter-main b{
  color:#05231d!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main p{
  display:none!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type{
  display:flex!important;
  align-items:center!important;
  gap:6px!important;
  margin:4px 0 0!important;
  font-size:10px!important;
  font-weight:820!important;
  line-height:1!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type i,
.detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type em{
  display:inline-flex!important;
  align-items:center!important;
  margin:0!important;
  padding:0!important;
  border:0!important;
  border-radius:6px!important;
  font-style:normal!important;
  line-height:1!important;
  padding:4px 6px!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type i{
  background:#08735f!important;
  color:#fff!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type em{
  background:#0a352d!important;
  color:#fff!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type i::before,
.detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type em::before{
  content:none!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-cover{
  display:block!important;
  width:100px!important;
  aspect-ratio:16 / 10!important;
  border:1px solid #d7e4df!important;
  border-radius:10px!important;
  overflow:hidden!important;
  background:#eaf1ee!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-cover img{
  display:block!important;
  width:100%!important;
  height:100%!important;
  object-fit:cover!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-cover .v2-chapter-lock{
  position:absolute!important;
  left:auto!important;
  top:auto!important;
  right:4px!important;
  bottom:4px!important;
  width:18px!important;
  height:18px!important;
  padding:3px!important;
  border-radius:6px!important;
  background:rgba(5,24,19,.7)!important;
  fill:none!important;
  stroke:#fff!important;
  stroke-width:2!important;
  stroke-linecap:round!important;
  stroke-linejoin:round!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-cover i{
  left:auto!important;
  right:4px!important;
  top:auto!important;
  bottom:4px!important;
  width:20px!important;
  height:20px!important;
  transform:none!important;
  background:rgba(8,115,95,.9)!important;
  font-size:8px!important;
}

.detail-directory-panel .detail-directory-list .v2-chapter-state{
  display:none!important;
}

@media(max-width:720px){
  .detail-directory-panel .detail-directory-list .v2-directory-section{
    border-radius:12px!important;
  }

  .detail-directory-panel .detail-directory-list .directory-section-toggle{
    min-height:44px!important;
    padding:10px!important;
  }

  .detail-directory-panel .detail-directory-list .directory-section-toggle h3{
    font-size:16px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter{
    grid-template-columns:22px minmax(0,1fr) 88px!important;
    gap:10px!important;
    min-height:64px!important;
    padding:10px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-main b{
    font-size:15px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-main .v2-chapter-type{
    font-size:10px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-cover{
    width:88px!important;
    border-radius:8px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-cover i{
    width:18px!important;
    height:18px!important;
  }

  .detail-directory-panel .detail-directory-list .v2-chapter-cover .v2-chapter-lock{
    width:16px!important;
    height:16px!important;
  }
}

/* v582：手机端卡片做小一点，让第三张卡片自然露边，不加文字提示。 */
@media(max-width:720px){
  .course-center-page .course-center-video-row,
  .course-center-page .course-center-column-row{
    grid-auto-columns:calc((100% - 12px) / 2.35)!important;
  }
}

/* v593：网页端与手机端统一为横向课程货架。桌面露出第三张，并支持鼠标拖动。 */
@media(min-width:721px){
  .course-center-page .course-center-video-row,
  .course-center-page .course-center-column-row{
    grid-auto-columns:calc((100% - 28px) / 2.35)!important;
    cursor:grab;
    scroll-padding-inline:0 15%;
    touch-action:pan-y;
  }
  .course-center-page .course-center-video-row.is-dragging,
  .course-center-page .course-center-column-row.is-dragging{
    cursor:grabbing;
    scroll-snap-type:none!important;
    user-select:none;
  }
}

/* v596：推荐页桌面端最多平铺四项，更多内容由“查看全部”进入完整列表。 */
@media(min-width:721px){
  .course-center-page.course-center-mode-recommend .course-center-video-row,
  .course-center-page.course-center-mode-recommend .course-center-column-row{
    display:grid!important;
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
    grid-auto-flow:row!important;
    grid-auto-columns:auto!important;
    gap:24px 20px!important;
    overflow:visible!important;
    cursor:default;
    scroll-snap-type:none!important;
    scroll-padding-inline:0;
    touch-action:auto;
  }
  .course-center-page.course-center-mode-recommend .course-center-video-row>.course-center-video-card,
  .course-center-page.course-center-mode-recommend .course-center-column-row>.course-center-column-card{
    width:100%!important;
    min-width:0!important;
    max-width:none!important;
  }
}

@media(min-width:721px) and (max-width:1000px){
  .course-center-page.course-center-mode-recommend .course-center-video-row,
  .course-center-page.course-center-mode-recommend .course-center-column-row{
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
  }
}

/* v585：图文统一阅读底座 + 内容用途版式。不改写导入的正文 HTML。 */
.learning-shell.is-article .article-prose{
  --prose-text:#3f4f49;
  --prose-heading:#152a26;
  --prose-soft:#f3f8f5;
  box-sizing:border-box!important;
  width:100%;
  max-width:760px!important;
  color:var(--prose-text)!important;
  font-size:17px!important;
  line-height:1.82!important;
  letter-spacing:.005em!important;
  overflow-wrap:anywhere;
  word-break:normal;
}
.learning-shell.is-article .article-prose> :first-child{margin-top:0!important}
.learning-shell.is-article .article-prose> :last-child{margin-bottom:0!important}
.learning-shell.is-article .article-prose p{margin:0 0 1.15em!important}
.learning-shell.is-article .article-prose h2{margin:2.25em 0 .8em!important;padding:0 0 .48em 18px!important;color:var(--prose-heading)!important;font-size:1.42em!important;line-height:1.35!important}
.learning-shell.is-article .article-prose h3{margin:1.8em 0 .62em!important;color:var(--prose-heading)!important;font-size:1.16em!important;line-height:1.42!important}
.learning-shell.is-article .article-prose h4{margin:1.55em 0 .55em!important;color:var(--prose-heading)!important;font-size:1em!important;line-height:1.45!important}
.learning-shell.is-article .article-prose ul,
.learning-shell.is-article .article-prose ol{margin:.8em 0 1.25em!important;padding-left:1.45em!important}
.learning-shell.is-article .article-prose li{margin:.48em 0!important;padding-left:.12em}
.learning-shell.is-article .article-prose img{display:block!important;max-width:100%!important;height:auto!important;margin:1.5em auto!important;border-radius:10px!important}
.learning-shell.is-article .article-prose table{display:block!important;width:100%!important;max-width:100%!important;margin:1.55em 0!important;overflow-x:auto!important;border-collapse:collapse!important;-webkit-overflow-scrolling:touch}
.learning-shell.is-article .article-prose th,
.learning-shell.is-article .article-prose td{min-width:108px;padding:10px 12px!important;vertical-align:top}
.learning-shell.is-article .article-prose blockquote,
.learning-shell.is-article .article-prose .article-callout{box-sizing:border-box;margin:1.55em 0!important;padding:16px 20px!important;border:0!important;border-left:4px solid var(--brand,#08735f)!important;border-radius:0 10px 10px 0!important;background:var(--prose-soft)!important;color:#425850!important}
.learning-shell.is-article .article-prose .article-summary,
.learning-shell.is-article .article-prose .article-action{
  box-sizing:border-box;margin:2em 0;padding:20px 22px;border:1px solid rgba(8,115,95,.16);border-radius:12px;background:#f5faf7;color:#29483e;
}
.learning-shell.is-article .article-prose .article-summary::before,
.learning-shell.is-article .article-prose .article-action::before{display:block;margin-bottom:7px;color:#08735f;font-size:12px;font-weight:850;letter-spacing:.08em}
.learning-shell.is-article .article-prose .article-summary::before{content:'本节总结'}
.learning-shell.is-article .article-prose .article-action::before{content:'行动任务'}

/* 版式只强化内容特征，阅读尺寸与品牌视觉仍保持统一。 */
.learning-shell.is-article .article-layout-tutorial>ol{padding-left:0!important;list-style:none!important;counter-reset:tutorial-step}
.learning-shell.is-article .article-layout-tutorial>ol>li{position:relative;min-height:42px;margin:15px 0!important;padding:13px 16px 13px 52px!important;border:1px solid rgba(8,115,95,.13);border-radius:11px;background:#fbfdfc;counter-increment:tutorial-step}
.learning-shell.is-article .article-layout-tutorial>ol>li::before{position:absolute;left:14px;top:12px;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#08735f;color:#fff;content:counter(tutorial-step);font-size:12px;font-weight:850}
.learning-shell.is-article .article-layout-explainer blockquote{border-left-color:#b9831f!important;background:#fff9ed!important;color:#5e4b28!important}
.learning-shell.is-article .article-layout-case h2::before{border-radius:50%!important;background:#b9831f!important}
.learning-shell.is-article .article-layout-case .article-summary{border-color:rgba(185,131,31,.22);background:#fffaf0}
.learning-shell.is-article .article-layout-reference h2{margin-top:1.8em!important}
.learning-shell.is-article .article-layout-reference>ul>li{padding:.18em 0 .18em .2em}
.learning-shell.is-article .article-layout-reference>table{font-size:.9em!important}

@media(max-width:720px){
  .learning-shell.is-article .article-prose{font-size:17px!important;line-height:1.8!important}
  .learning-shell.is-article .article-prose h2{margin-top:2em!important;padding-left:15px!important;font-size:1.24em!important}
  .learning-shell.is-article .article-prose h3{font-size:1.08em!important}
  .learning-shell.is-article .article-prose blockquote,
  .learning-shell.is-article .article-prose .article-callout{padding:14px 16px!important}
  .learning-shell.is-article .article-prose .article-summary,
  .learning-shell.is-article .article-prose .article-action{padding:17px 16px}
}

/* v589：正文阅读页与后台预览保持同一内容顺序，参考文档站强化层级并统一左对齐。 */
.learning-shell.is-article .article-reading-head{
  box-sizing:border-box!important;
  width:100%!important;
  max-width:784px!important;
  margin:0 auto 28px!important;
  padding:0 0 28px!important;
  text-align:left!important;
}
.learning-shell.is-article .article-reading-head .section-kicker{
  display:block!important;
  margin:0 0 14px!important;
  font-size:11px!important;
  letter-spacing:.14em!important;
}
.learning-shell.is-article .article-reading-head h1{
  margin:0!important;
  max-width:760px!important;
  color:#101713!important;
  font-size:44px!important;
  line-height:1.16!important;
  font-weight:900!important;
  letter-spacing:-.045em!important;
  text-align:left!important;
}
.learning-shell.is-article .article-prose{
  max-width:784px!important;
  color:#26332e!important;
  font-size:17px!important;
  line-height:1.76!important;
  text-align:left!important;
}
.learning-shell.is-article .article-prose>p,
.learning-shell.is-article .article-prose>h1,
.learning-shell.is-article .article-prose>h2,
.learning-shell.is-article .article-prose>h3,
.learning-shell.is-article .article-prose>h4,
.learning-shell.is-article .article-prose>h5,
.learning-shell.is-article .article-prose>h6,
.learning-shell.is-article .article-prose>ul,
.learning-shell.is-article .article-prose>ol,
.learning-shell.is-article .article-prose>blockquote,
.learning-shell.is-article .article-prose>pre{
  text-align:left!important;
}
.learning-shell.is-article .article-prose p{margin:0 0 1em!important}
.learning-shell.is-article .article-prose .article-lead{
  color:#35463f!important;
  font-size:1.05em!important;
  line-height:1.76!important;
}
.learning-shell.is-article .article-prose h2{
  margin:2.1em 0 .78em!important;
  padding:0 0 .5em 20px!important;
  color:#111713!important;
  font-size:1.55em!important;
  line-height:1.28!important;
  font-weight:880!important;
  letter-spacing:-.025em!important;
}
.learning-shell.is-article .article-prose h3{
  margin:1.7em 0 .6em!important;
  color:#151d19!important;
  font-size:1.2em!important;
  font-weight:820!important;
}
.learning-shell.is-article .article-prose img{
  margin:1.65em auto!important;
  border-radius:6px!important;
}
.learning-shell.is-article .article-prose pre,
.learning-shell.is-article .article-prose .article-code-block,
.learning-shell.is-article .article-prose .content-structure{
  margin:1.5em 0!important;
  border-top:3px solid #b9f000!important;
  border-radius:4px!important;
  background:#151a15!important;
  color:#edf4ec!important;
  box-shadow:4px 5px 0 rgba(17,23,19,.13)!important;
}

@media(min-width:1330px){
  .learning-shell.is-article .learning-grid.learning-grid--article{
    box-sizing:border-box!important;
    width:calc(100% - 48px)!important;
    max-width:1380px!important;
    padding-inline:0!important;
    grid-template-columns:244px minmax(0,784px) 220px!important;
    gap:32px!important;
  }
  .learning-shell.is-article .learning-grid.learning-grid--article:not(.has-toc){
    grid-template-columns:244px minmax(0,784px)!important;
  }
}

@media(max-width:720px){
  .learning-shell.is-article .article-reading-head{
    margin-bottom:22px!important;
    padding-bottom:22px!important;
  }
  .learning-shell.is-article .article-reading-head h1{
    font-size:30px!important;
    line-height:1.22!important;
    letter-spacing:-.035em!important;
  }
  .learning-shell.is-article .article-prose{
    font-size:17px!important;
    line-height:1.76!important;
  }
  .learning-shell.is-article .article-prose h2{
    margin-top:1.9em!important;
    padding-left:17px!important;
    font-size:1.3em!important;
  }
}

/* v633: AI 轻创社介绍与真实会员套餐 */
.community-page{padding:48px 0 72px;background:var(--bg,#f7f5ee)}
.community-hero{max-width:850px;padding:12px 0 44px}
.community-hero h1{font-size:clamp(30px,4vw,48px);line-height:1.35;margin:16px 0 20px}
.community-page p{font-size:16px;line-height:1.85;color:var(--muted,#687970)}
.community-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
.community-audience{font-size:14px;color:var(--muted,#687970);line-height:1.8}
.community-section{padding:36px 0;border-top:1px solid var(--border,#dce5df);scroll-margin-top:90px}
.community-section>header{max-width:820px;margin-bottom:24px}
.community-section h2{font-size:clamp(24px,3vw,32px);line-height:1.45;margin:12px 0}
.community-learning-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.community-learning-grid article{padding:24px;background:var(--surface,#fff);border:1px solid var(--border,#dce5df);border-radius:16px}
.community-page h3{font-size:21px;margin:12px 0;line-height:1.45}
.community-number{color:var(--primary,#087c69);font-size:14px;font-weight:700}
.community-practice{border-top:1px solid var(--border,#dce5df);padding-top:16px;margin-top:18px}
.community-practice b{font-size:14px;color:var(--primary,#087c69)}
.community-practice p{font-size:14px;margin:6px 0 0}
.community-content-list{margin-bottom:18px}
.community-content-list a{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;border-bottom:1px solid var(--border,#dce5df)}
.community-content-list b{font-size:17px;line-height:1.55;display:block}
.community-content-list small{display:block;color:var(--muted,#687970);font-size:14px;line-height:1.8;margin-top:5px}
.community-plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.community-plan{background:var(--surface,#fff);border:1px solid var(--border,#dce5df);border-radius:16px;padding:24px;display:flex;flex-direction:column;min-width:0}
.community-plan h3{margin-top:0}
.community-plan-price{display:flex;flex-direction:column;gap:8px;margin:8px 0 18px}
.community-plan-price strong{font-size:32px;color:var(--primary,#087c69)}
.community-plan-price span{font-size:14px;color:var(--muted,#687970)}
.community-plan ul{padding-left:20px;margin:0 0 14px;line-height:1.8;font-size:15px;flex:1}
.community-plan li+li{margin-top:10px}
.community-plan .community-plan-count,.community-note{font-size:13px;line-height:1.8}
.community-plan .btn{margin-top:10px;white-space:normal;text-align:center}
.community-note{margin-top:20px}
.community-start{display:grid;grid-template-columns:1.3fr 1fr;gap:48px}
.community-start ol{padding-left:22px;margin-top:22px}
.community-start li{padding:8px 0 14px;line-height:1.8}
.community-start li span{display:block;color:var(--muted,#687970);font-size:15px;margin-top:6px}
.community-join{align-self:center;padding:28px;background:var(--surface,#fff);border-radius:16px;border:1px solid var(--border,#dce5df)}
.community-join .btn,.community-join .text-link{display:block;margin-top:18px;text-align:center}
@media(max-width:700px){.community-page{padding:26px 0 44px}.community-hero{padding-bottom:30px}.community-page p{font-size:15px}.community-section{padding:28px 0}.community-learning-grid,.community-plan-grid,.community-start{grid-template-columns:1fr;gap:16px}.community-learning-grid article,.community-plan,.community-join{padding:20px}.community-plan-price{flex-direction:row;align-items:center;justify-content:space-between}.community-plan ul{font-size:14px}.community-content-list b{font-size:16px}.community-actions .btn{font-size:14px;padding:12px 16px}.community-start{gap:22px}}

/* v636: compact coverage with complete expandable content. */
.member-plan-focus{font-size:12px;line-height:1.6;margin:12px 0 0;color:var(--muted,#75837c)}
.member-content-summary{font-size:13px;line-height:1.7;color:var(--muted,#75837c);margin:0 0 16px}
.member-included-more summary{cursor:pointer;padding:16px 0;color:#006253;font-weight:600}
.course-preparing{padding:14px;border:1px solid #d5e2dc;border-radius:12px;color:#526c62;text-align:center}
.detail-directory-entry{margin-top:12px}
.community-practice summary{cursor:pointer;font-size:13px;color:#006253}
.community-learning-grid article{padding:22px}
.community-content-list small{line-height:1.6}
@media(max-width:600px){.community-section{padding:26px 0}.community-learning-grid{gap:12px}.community-learning-grid article{padding:16px}.community-section header{margin-bottom:18px}.community-plan-focus{font-size:11px}.member-plan-focus{font-size:11px;min-height:35px}.community-content-list a{padding:14px 0}.detail-directory-entry{width:100%}}

.member-plan-focus{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;max-height:38px;line-height:1.55}.member-plan-v2.selected .member-plan-focus{color:#d9ebe3}