:root{
    --paper:#ffffff;
    --paper-soft:#f6f5f3;
    --ink:#141414;
    --ink-soft:#4a4a4a;
    --ink-faint:#8a8a8a;
    --line:#e8e5e1;
    --warm:#b8895a;
    --warm-soft:#f3ebe1;
    --radius-lg:26px;
    --radius-md:18px;
    --radius-sm:12px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}

  .wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px;}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;max-width:1120px;margin:0 auto;padding:14px 20px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand img{height:34px;width:auto;border-radius:8px;}
  .brand-name{font-size:17px;font-weight:700;letter-spacing:.5px;}
  .nav-toggle{
    display:none;border:1px solid var(--line);background:#fff;border-radius:10px;
    width:42px;height:38px;font-size:18px;line-height:1;cursor:pointer;color:var(--ink);
  }
  .site-nav{display:flex;flex-wrap:wrap;gap:6px 4px;}
  .site-nav a{
    font-size:13.5px;color:var(--ink-soft);padding:6px 10px;border-radius:999px;
    transition:background .2s,color .2s;white-space:nowrap;
  }
  .site-nav a:hover{background:var(--paper-soft);color:var(--ink);}

  /* ============ 首屏 ============ */
  .hero{
    background:linear-gradient(180deg,#ffffff 0%,#faf9f7 100%);
    padding:56px 0 64px;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  }
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:2px;color:var(--warm);
    background:var(--warm-soft);padding:6px 14px;border-radius:999px;
    margin-bottom:20px;
  }
  .hero h1{
    font-size:42px;line-height:1.24;letter-spacing:-.5px;margin:0 0 18px;
    font-weight:800;
  }
  .hero h1 em{font-style:normal;color:var(--warm);}
  .hero-lead{font-size:16px;color:var(--ink-soft);margin:0 0 14px;max-width:34em;}
  .hero-sub{font-size:14px;color:var(--ink-faint);margin:0 0 30px;}

  .download-row{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch;}
  .dl-btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:13px 22px;border-radius:14px;font-size:14px;font-weight:600;
    border:1px solid var(--ink);background:var(--ink);color:#fff;
    transition:transform .18s ease, box-shadow .18s ease, background .18s;
  }
  .dl-btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(20,20,20,.16);}
  .dl-btn.ghost{background:#fff;color:var(--ink);border-color:var(--line);}
  .dl-btn.ghost:hover{border-color:var(--ink);box-shadow:0 10px 22px rgba(20,20,20,.08);}
  .dl-btn .ico{font-size:16px;line-height:1;}
  .dl-note{font-size:12.5px;color:var(--ink-faint);margin-top:16px;}

  .hero-gallery{
    display:grid;grid-template-columns:1fr 1fr;gap:16px;
  }
  .hero-poster{
    border-radius:var(--radius-md);overflow:hidden;position:relative;
    box-shadow:0 14px 34px rgba(20,20,20,.12);
    background:var(--paper-soft);
  }
  .hero-poster img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
  .hero-poster:hover img{transform:scale(1.045);}
  .hero-poster.tall{aspect-ratio:3/4.4;margin-top:34px;}
  .hero-poster.short{aspect-ratio:3/4.4;}

  /* ============ 通用区块 ============ */
  .section{padding:76px 0;}
  .section.soft{background:var(--paper-soft);}
  .section-head{max-width:720px;margin:0 auto 46px;text-align:center;}
  .section-kicker{
    font-size:12px;letter-spacing:3px;color:var(--warm);margin-bottom:12px;
  }
  .section-head h2{
    font-size:31px;line-height:1.3;margin:0 0 14px;font-weight:800;letter-spacing:-.4px;
  }
  .section-head p{font-size:15px;color:var(--ink-soft);margin:0;}

  /* ============ 小编特推 ============ */
  .note-item{
    display:grid;grid-template-columns:300px 1fr;gap:40px;
    align-items:center;padding:34px 0;border-bottom:1px solid var(--line);
  }
  .note-item:last-child{border-bottom:none;}
  .note-item.reverse{grid-template-columns:1fr 300px;}
  .note-item.reverse .note-poster{order:2;}
  .note-item.reverse .note-body{order:1;}
  .note-poster{
    border-radius:var(--radius-md);overflow:hidden;aspect-ratio:3/4.2;
    box-shadow:0 16px 36px rgba(20,20,20,.13);
  }
  .note-poster img{width:100%;height:100%;object-fit:cover;}
  .note-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;}
  .tag{
    font-size:12px;padding:4px 12px;border-radius:999px;
    background:var(--warm-soft);color:#8a5f34;
  }
  .note-date{font-size:12.5px;color:var(--ink-faint);letter-spacing:.5px;}
  .note-body h3{font-size:23px;margin:0 0 12px;font-weight:800;letter-spacing:-.2px;}
  .note-body p{font-size:15px;color:var(--ink-soft);margin:0 0 12px;}
  .note-quote{
    font-size:14.5px;color:var(--ink);border-left:3px solid var(--warm);
    padding-left:14px;margin:16px 0 0;font-style:normal;
  }

  /* ============ 六大题材馆 ============ */
  .genre-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  }
  .genre-card{
    background:rgba(255,255,255,.72);
    backdrop-filter:blur(6px);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:26px 24px 22px;
    box-shadow:0 10px 26px rgba(20,20,20,.06);
    transition:transform .22s ease, box-shadow .22s ease;
  }
  .genre-card:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(20,20,20,.12);}
  .genre-thumb{
    border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/11;margin-bottom:18px;
  }
  .genre-thumb img{width:100%;height:100%;object-fit:cover;}
  .genre-card h3{font-size:19px;margin:0 0 8px;font-weight:800;}
  .genre-card p{font-size:14px;color:var(--ink-soft);margin:0;}
  .genre-num{
    font-size:12px;letter-spacing:2px;color:var(--warm);margin-bottom:6px;display:block;
  }

  /* ============ 追更日历 ============ */
  .timeline{position:relative;max-width:900px;margin:0 auto;}
  .timeline::before{
    content:"";position:absolute;left:96px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,var(--line),var(--warm),var(--line));
  }
  .tl-row{
    display:grid;grid-template-columns:80px 1fr;gap:40px;
    position:relative;padding:16px 0;
  }
  .tl-time{
    font-size:17px;font-weight:800;letter-spacing:.5px;
    text-align:right;color:var(--ink);padding-top:2px;
  }
  .tl-body{
    position:relative;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-md);padding:18px 22px;
    box-shadow:0 6px 18px rgba(20,20,20,.05);
  }
  .tl-body::before{
    content:"";position:absolute;left:-31px;top:24px;width:12px;height:12px;
    border-radius:50%;background:#fff;border:2px solid var(--warm);
  }
  .tl-body h3{font-size:16px;margin:0 0 6px;font-weight:700;}
  .tl-body p{font-size:14px;color:var(--ink-soft);margin:0;}
  .tl-hot{
    background:var(--warm-soft);border-color:#eadcc9;
  }
  .tl-hot .dot-pulse{
    position:absolute;left:-33px;top:22px;width:16px;height:16px;border-radius:50%;
    background:var(--warm);animation:pulse 2s infinite;
  }
  .tl-hot h3{color:#7a4f27;}
  .tl-hot .tl-badge{
    display:inline-block;font-size:11.5px;padding:2px 10px;border-radius:999px;
    background:var(--warm);color:#fff;margin-left:8px;vertical-align:middle;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(184,137,90,.55);}
    70%{box-shadow:0 0 0 12px rgba(184,137,90,0);}
    100%{box-shadow:0 0 0 0 rgba(184,137,90,0);}
  }

  /* ============ 热播榜单 ============ */
  .podium{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:end;
    max-width:900px;margin:0 auto 40px;
  }
  .pod-card{
    text-align:center;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:22px 18px 26px;
    box-shadow:0 12px 30px rgba(184,137,90,.14);
    position:relative;overflow:hidden;
  }
  .pod-card::after{
    content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
    box-shadow:inset 0 0 0 1px rgba(184,137,90,.28);pointer-events:none;
  }
  .pod-rank{
    font-size:28px;font-weight:900;color:var(--warm);line-height:1;margin-bottom:12px;
  }
  .pod-thumb{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:3/4;margin-bottom:14px;}
  .pod-thumb img{width:100%;height:100%;object-fit:cover;}
  .pod-card h3{font-size:16px;margin:0 0 6px;font-weight:800;}
  .pod-card p{font-size:13px;color:var(--ink-soft);margin:0 0 10px;}
  .pod-stats{display:flex;justify-content:center;gap:14px;font-size:12px;color:var(--ink-faint);}
  .pod-card.first{transform:translateY(-14px);}

  .rank-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
  .rank-row{
    display:grid;grid-template-columns:40px 64px 1fr auto;gap:18px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:12px 20px;box-shadow:0 4px 14px rgba(20,20,20,.04);
  }
  .rank-no{font-size:16px;font-weight:800;color:var(--ink-faint);}
  .rank-thumb{border-radius:10px;overflow:hidden;aspect-ratio:3/4;}
  .rank-thumb img{width:100%;height:100%;object-fit:cover;}
  .rank-title{font-size:15px;font-weight:700;}
  .rank-title span{display:block;font-size:12.5px;font-weight:400;color:var(--ink-faint);margin-top:2px;}
  .rank-data{font-size:12.5px;color:var(--ink-soft);text-align:right;white-space:nowrap;}

  /* ============ AI 实验室 ============ */
  .ai-panel{
    display:grid;grid-template-columns:1fr 1fr;gap:0;
    border-radius:var(--radius-lg);overflow:hidden;
    border:1px solid var(--line);background:#fff;
    box-shadow:0 16px 40px rgba(20,20,20,.08);
  }
  .ai-side{padding:38px 36px;}
  .ai-side.draft{background:var(--paper-soft);}
  .ai-side h3{font-size:18px;margin:0 0 16px;font-weight:800;letter-spacing:.3px;}
  .ai-side .kicker{font-size:11.5px;letter-spacing:2px;color:var(--warm);margin-bottom:10px;}
  .ai-formula{
    font-size:14px;color:var(--ink-soft);background:#fff;border:1px dashed var(--line);
    border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:14px;line-height:1.7;
  }
  .ai-formula strong{color:var(--ink);}
  .ai-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .ai-tags span{font-size:12px;padding:4px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-soft);}
  .ai-shot{
    border-radius:var(--radius-md);overflow:hidden;aspect-ratio:4/3;
    box-shadow:0 10px 26px rgba(20,20,20,.1);
  }
  .ai-shot img{width:100%;height:100%;object-fit:cover;}
  .ai-shot + .ai-shot{margin-top:16px;}
  .ai-shot-cap{font-size:12.5px;color:var(--ink-faint);margin-top:8px;text-align:center;}

  .compare-wrap{max-width:900px;margin:44px auto 0;}
  .compare{
    position:relative;border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:0 18px 44px rgba(20,20,20,.14);aspect-ratio:16/10;background:#e9e6e2;
  }
  .compare .layer{position:absolute;inset:0;}
  .compare .layer img{width:100%;height:100%;object-fit:cover;}
  .compare .layer.after-img{clip-path:inset(0 0 0 50%);}
  .compare .divider{
    position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;
    box-shadow:0 0 12px rgba(0,0,0,.3);pointer-events:none;
  }
  .compare .divider::after{
    content:"⇄";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
    width:38px;height:38px;border-radius:50%;background:#fff;color:var(--ink);
    display:flex;align-items:center;justify-content:center;font-size:16px;
    box-shadow:0 4px 14px rgba(0,0,0,.18);
  }
  .compare input[type=range]{
    position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;z-index:5;
  }
  .compare-label{
    position:absolute;bottom:14px;font-size:12px;padding:4px 12px;border-radius:999px;
    background:rgba(255,255,255,.86);color:var(--ink);z-index:4;
  }
  .compare-label.left{left:14px;}
  .compare-label.right{right:14px;}

  /* ============ 观众弹幕 ============ */
  .review-wall{
    display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  }
  .review{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:20px;box-shadow:0 6px 18px rgba(20,20,20,.05);
    transition:transform .2s ease;
  }
  .review:nth-child(3n+2){transform:translateY(16px);}
  .review:hover{transform:translateY(-4px);}
  .review-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
  .review-head img{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--line);}
  .review-name{font-size:13.5px;font-weight:700;}
  .review-name span{display:block;font-size:11.5px;font-weight:400;color:var(--ink-faint);}
  .review p{font-size:14px;color:var(--ink-soft);margin:0;}

  /* ============ 常见问题 ============ */
  .faq{max-width:820px;margin:0 auto;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    margin-bottom:12px;overflow:hidden;
    box-shadow:0 4px 14px rgba(20,20,20,.04);
  }
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;
    display:flex;justify-content:space-between;align-items:center;gap:16px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";font-size:20px;color:var(--warm);font-weight:400;transition:transform .2s;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-body{padding:0 22px 20px;font-size:14px;color:var(--ink-soft);}

  /* ============ 下载区 ============ */
  .install{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:44px;
  }
  .step{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:24px;box-shadow:0 6px 18px rgba(20,20,20,.05);
  }
  .step-no{
    width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
    margin-bottom:14px;
  }
  .step h3{font-size:16px;margin:0 0 8px;font-weight:800;}
  .step p{font-size:14px;color:var(--ink-soft);margin:0;}

  .download-final{
    background:var(--ink);color:#fff;border-radius:var(--radius-lg);
    padding:52px 40px;text-align:center;
  }
  .download-final h2{font-size:28px;margin:0 0 12px;font-weight:800;letter-spacing:-.3px;}
  .download-final p{font-size:15px;color:#c9c6c2;margin:0 0 30px;}
  .download-final .download-row{justify-content:center;}
  .download-final .dl-btn{background:#fff;color:var(--ink);border-color:#fff;}
  .download-final .dl-btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
  .download-final .dl-btn.ghost:hover{border-color:#fff;}

  /* ============ 页脚 ============ */
  .site-footer{
    border-top:1px solid var(--line);background:var(--paper-soft);
    padding:44px 0 30px;margin-top:0;
  }
  .footer-inner{
    display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start;
    max-width:1120px;margin:0 auto;padding:0 20px;
  }
  .footer-brand{display:flex;gap:12px;align-items:flex-start;max-width:420px;}
  .footer-brand img{height:32px;width:auto;border-radius:8px;}
  .footer-brand strong{display:block;font-size:15px;margin-bottom:6px;}
  .footer-brand p{font-size:13px;color:var(--ink-soft);margin:0;line-height:1.7;}
  .footer-links{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--ink-soft);}
  .footer-bottom{
    max-width:1120px;margin:30px auto 0;padding:18px 20px 0;
    border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-faint);
    display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  }

  /* ============ 复制弹窗 ============ */
  .copy-modal{
    position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
    background:rgba(20,20,20,.42);padding:20px;
  }
  .copy-modal.show{display:flex;}
  .copy-box{
    background:#fff;border-radius:var(--radius-lg);max-width:420px;width:100%;
    padding:30px 26px;box-shadow:0 24px 60px rgba(0,0,0,.28);
  }
  .copy-box h3{font-size:17px;margin:0 0 14px;font-weight:800;line-height:1.5;}
  .copy-url{
    font-size:13px;word-break:break-all;background:var(--paper-soft);
    border:1px dashed var(--line);border-radius:var(--radius-sm);
    padding:12px 14px;color:var(--ink-soft);margin-bottom:16px;
  }
  .copy-actions{display:flex;gap:10px;}
  .copy-actions button{
    flex:1;padding:11px 16px;border-radius:12px;font-size:14px;font-weight:600;
    cursor:pointer;border:1px solid var(--ink);background:var(--ink);color:#fff;
  }
  .copy-actions button.cancel{background:#fff;color:var(--ink);border-color:var(--line);}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .hero h1{font-size:36px;}
    .hero-grid{gap:34px;}
    .genre-grid{gap:18px;}
    .ai-side{padding:28px 24px;}
    .note-item{grid-template-columns:240px 1fr;gap:28px;}
    .note-item.reverse{grid-template-columns:1fr 240px;}
  }

  @media (max-width:768px){
    .section{padding:54px 0;}
    .hero{padding:40px 0 48px;}
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .hero h1{font-size:30px;}
    .hero-poster.tall{margin-top:0;}
    .section-head h2{font-size:25px;}
    .section-head{margin-bottom:32px;}

    .nav-toggle{display:block;}
    .site-nav{
      display:none;position:absolute;left:0;right:0;top:100%;
      background:#fff;border-bottom:1px solid var(--line);
      padding:12px 20px 18px;flex-direction:column;gap:2px;
      box-shadow:0 12px 24px rgba(20,20,20,.08);
    }
    .site-nav.open{display:flex;}
    .site-nav a{padding:9px 10px;font-size:14px;}

    .note-item,
    .note-item.reverse{grid-template-columns:1fr;gap:20px;}
    .note-item .note-poster,
    .note-item.reverse .note-poster{order:0;}
    .note-item .note-body,
    .note-item.reverse .note-body{order:1;}
    .note-poster{aspect-ratio:3/3.9;max-width:340px;margin:0 auto;}
    .note-body h3{font-size:20px;}

    .genre-grid{grid-template-columns:1fr 1fr;gap:14px;}
    .genre-card{padding:20px 18px 18px;border-radius:20px;}
    .genre-card h3{font-size:17px;}

    .timeline::before{left:64px;}
    .tl-row{grid-template-columns:54px 1fr;gap:26px;}
    .tl-time{font-size:14px;}
    .tl-body{padding:14px 16px;}
    .tl-body::before{left:-24px;width:10px;height:10px;}
    .tl-hot .dot-pulse{left:-26px;width:14px;height:14px;}

    .podium{grid-template-columns:1fr;gap:14px;align-items:stretch;}
    .pod-card.first{transform:none;}
    .pod-card{display:grid;grid-template-columns:70px 1fr;gap:16px;text-align:left;align-items:center;padding:16px;}
    .pod-rank{margin:0;font-size:24px;}
    .pod-thumb{margin:0;aspect-ratio:3/4;grid-row:span 2;}
    .pod-card h3{grid-column:2;margin:0 0 2px;}
    .pod-card p{grid-column:2;margin:0 0 6px;}
    .pod-stats{grid-column:2;justify-content:flex-start;}

    .rank-row{grid-template-columns:28px 52px 1fr;gap:12px;padding:10px 14px;}
    .rank-data{grid-column:3;text-align:left;white-space:normal;}

    .ai-panel{grid-template-columns:1fr;}
    .ai-side{padding:24px 20px;}
    .compare{aspect-ratio:4/3.2;}

    .review-wall{grid-template-columns:1fr;gap:14px;}
    .review:nth-child(3n+2){transform:none;}

    .install{grid-template-columns:1fr;gap:14px;}

    .download-final{padding:38px 22px;border-radius:20px;}
    .download-final h2{font-size:23px;}

    .footer-inner{gap:22px;}
    .footer-bottom{flex-direction:column;gap:6px;}
  }

  @media (max-width:480px){
    .hero h1{font-size:26px;}
    .hero-gallery{gap:10px;}
    .genre-grid{grid-template-columns:1fr;}
    .dl-btn{width:100%;justify-content:center;}
    .download-row{width:100%;}
    .download-final .download-row{width:100%;}
  }