:root{
    --ink:#1b1c22;
    --ink-soft:#4c4f5c;
    --muted:#7b7f8c;
    --paper:#f6f5f2;
    --card:#ffffff;
    --line:#e6e4de;
    --accent:#e8415a;
    --accent-soft:#fdeef0;
    --blue:#2f4b8f;
    --radius:18px;
    --shadow:0 12px 30px rgba(27,28,34,.08);
  }
  *{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:1.7;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;}
  .wrap{width:min(1160px,92vw);margin:0 auto;}
  h1,h2,h3,h4{line-height:1.3;margin:0;font-weight:800;letter-spacing:-.01em;}
  p{margin:0;}
  .eyebrow{
    display:inline-block;font-size:12px;letter-spacing:.18em;
    color:var(--accent);font-weight:700;margin-bottom:10px;
  }
  .sec-head{margin-bottom:28px;}
  .sec-head h2{font-size:clamp(22px,3.2vw,32px);}
  .sec-head p{color:var(--ink-soft);margin-top:8px;font-size:15px;}

  /* ---------- 吸顶导航 ---------- */
  .nav{
    position:sticky;top:12px;z-index:80;
    display:flex;align-items:center;justify-content:space-between;
    gap:14px;padding:10px 16px;
    width:min(1160px,94vw);margin:12px auto 0;
    background:rgba(255,255,255,.86);
    border:1px solid var(--line);
    border-radius:999px;
    box-shadow:0 6px 18px rgba(27,28,34,.06);
    transition:padding .28s ease,box-shadow .28s ease,background .28s ease,border-radius .28s ease;
  }
  .nav.is-compact{
    padding:7px 16px;
    background:rgba(255,255,255,.62);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:0 10px 26px rgba(27,28,34,.12);
  }
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;white-space:nowrap;}
  .brand img{height:32px;width:auto;border-radius:8px;}
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-links a{
    font-size:14px;padding:7px 12px;border-radius:999px;color:var(--ink-soft);
    transition:background .2s,color .2s;
  }
  .nav-links a:hover{color:var(--ink);background:#f0eee9;}
  .nav-links a.active{color:var(--accent);background:var(--accent-soft);font-weight:700;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 22px;border-radius:999px;font-size:14px;font-weight:700;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(232,65,90,.28);}
  .btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);}
  .nav .btn{padding:8px 18px;}
  .burger{display:none;width:38px;height:38px;border-radius:50%;background:#f0eee9;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
  .burger span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}
  .burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .burger.open span:nth-child(2){opacity:0;}
  .burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .drawer{
    display:none;position:fixed;inset:0;z-index:90;
    background:rgba(27,28,34,.35);
  }
  .drawer-panel{
    position:absolute;top:0;right:0;width:min(300px,82vw);height:100%;
    background:#fff;padding:80px 24px 24px;display:flex;flex-direction:column;gap:6px;
    transform:translateX(100%);transition:transform .3s ease;
  }
  .drawer.open .drawer-panel{transform:translateX(0);}
  .drawer-panel a{padding:12px 8px;border-radius:12px;font-size:15px;color:var(--ink-soft);}
  .drawer-panel a:hover{background:#f6f5f2;color:var(--ink);}
  .drawer-panel .btn{margin-top:12px;}

  /* ---------- Hero ---------- */
  .hero{padding:56px 0 20px;position:relative;overflow:hidden;}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
  .hero h1{font-size:clamp(30px,4.6vw,48px);margin-bottom:12px;}
  .hero h1 em{font-style:normal;color:var(--accent);}
  .slogan{font-size:clamp(16px,2vw,19px);font-weight:700;color:var(--ink-soft);margin-bottom:10px;}
  .hero-desc{color:var(--ink-soft);font-size:15px;max-width:30em;margin-bottom:20px;}
  .trust-points{display:flex;flex-wrap:wrap;gap:10px 18px;margin-bottom:18px;font-size:14px;color:var(--ink-soft);}
  .trust-points li{list-style:none;display:flex;align-items:center;gap:7px;}
  .trust-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;}
  .trust-bar{
    display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);
    background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;margin-bottom:24px;width:fit-content;
  }
  .trust-bar b{color:var(--ink);}
  .hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
  .hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px;}
  .wall{
    position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
    opacity:.5;filter:saturate(.85);transform:rotate(-4deg) scale(1.02);
  }
  .wall img{width:100%;height:100%;object-fit:cover;border-radius:12px;}
  .phone{
    position:relative;z-index:2;width:230px;aspect-ratio:9/19;border-radius:34px;
    background:#111;padding:9px;box-shadow:0 30px 60px rgba(27,28,34,.3);
    transform:perspective(1100px) rotateY(-9deg) rotateX(4deg);
  }
  .phone-screen{
    position:relative;width:100%;height:100%;border-radius:26px;overflow:hidden;background:#15161c;
  }
  .phone-scroll{
    position:absolute;left:0;top:0;width:100%;animation:autoScroll 22s linear infinite;
  }
  .phone-scroll img{width:100%;margin-bottom:6px;border-radius:8px;}
  @keyframes autoScroll{0%{transform:translateY(0);}100%{transform:translateY(-50%);}}
  .hero-badge{
    position:absolute;z-index:3;right:6%;bottom:8%;background:#fff;border-radius:14px;
    padding:8px 14px;font-size:12px;font-weight:700;box-shadow:var(--shadow);color:var(--ink-soft);
  }

  /* ---------- 本周主推 ---------- */
  .section{padding:64px 0;}
  .spotlight-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px;}
  .big-card{
    position:relative;border-radius:var(--radius);overflow:hidden;background:var(--card);
    box-shadow:var(--shadow);display:flex;flex-direction:column;
  }
  .big-card .cover{position:relative;overflow:hidden;aspect-ratio:16/10;}
  .big-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .big-card:hover .cover img{transform:scale(1.05);}
  .big-card .card-body{padding:20px 22px 24px;}
  .big-card h3{font-size:22px;margin-bottom:6px;}
  .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px;}
  .tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700;}
  .tag.neutral{background:#f0eee9;color:var(--ink-soft);}
  .status{font-size:13px;color:var(--muted);}
  .hook{font-size:14px;color:var(--ink-soft);margin:10px 0 16px;min-height:2.6em;}
  .big-card .meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .read-count{font-size:13px;color:var(--muted);}
  .small-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .small-card{
    background:var(--card);border-radius:14px;overflow:hidden;box-shadow:0 6px 16px rgba(27,28,34,.06);
    position:relative;transition:transform .25s ease,box-shadow .25s ease;
  }
  .small-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
  .small-card .cover{overflow:hidden;aspect-ratio:3/4;}
  .small-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .small-card:hover .cover img{transform:scale(1.07);}
  .small-card .progress{
    position:absolute;inset:auto 0 0 0;padding:8px 10px;font-size:12px;font-weight:700;color:#fff;
    background:linear-gradient(transparent,rgba(0,0,0,.72));opacity:0;transform:translateY(6px);
    transition:.28s ease;
  }
  .small-card:hover .progress{opacity:1;transform:translateY(0);}
  .small-card .info{padding:10px 12px 12px;}
  .small-card h4{font-size:14px;margin-bottom:4px;}
  .small-card .status{font-size:12px;}

  /* ---------- 题材矩阵 ---------- */
  .genre-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .genre{
    position:relative;height:150px;border-radius:14px;overflow:hidden;cursor:pointer;
    box-shadow:0 6px 16px rgba(27,28,34,.08);
  }
  .genre img{width:100%;height:100%;object-fit:cover;filter:brightness(.62) saturate(1.05);transition:transform .5s ease;}
  .genre:hover img{transform:scale(1.06);}
  .genre-label{position:absolute;left:14px;bottom:12px;color:#fff;z-index:2;}
  .genre-label strong{display:block;font-size:17px;}
  .genre-label span{font-size:12px;opacity:.86;}
  .genre-panel{
    grid-column:1/-1;display:none;background:#fff;border-radius:14px;padding:18px;box-shadow:var(--shadow);
  }
  .genre-panel.show{display:block;}
  .genre-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
  .genre-panel-head h3{font-size:16px;}
  .genre-panel-head a{font-size:13px;color:var(--accent);font-weight:700;}
  .genre-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
  .genre-thumbs figure{margin:0;}
  .genre-thumbs img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;}
  .genre-thumbs figcaption{font-size:12px;color:var(--ink-soft);margin-top:6px;}

  /* ---------- 更新日历 ---------- */
  .calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;}
  .day{
    background:#fff;border-radius:14px;padding:12px 10px;border:1px solid var(--line);
    min-height:230px;display:flex;flex-direction:column;gap:8px;
  }
  .day.today{border-color:var(--accent);background:var(--accent-soft);}
  .day-head{font-size:13px;font-weight:800;display:flex;justify-content:space-between;align-items:baseline;}
  .day-head span{font-size:11px;font-weight:600;color:var(--muted);}
  .slot{font-size:11px;color:var(--muted);margin-top:2px;}
  .work-btn{
    display:block;width:100%;text-align:left;font-size:12px;color:var(--ink-soft);
    padding:5px 7px;border-radius:8px;background:#f6f5f2;transition:.2s;
  }
  .work-btn:hover{background:#efece5;}
  .work-btn .state{float:right;font-size:11px;color:var(--accent);font-weight:700;}
  .work-btn.followed{background:#eaf5ec;color:#2f6b41;}

  /* ---------- 榜单 ---------- */
  .tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px;}
  .tab{padding:9px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink-soft);transition:.2s;}
  .tab.active{background:var(--ink);color:#fff;border-color:var(--ink);}
  .rank-list{display:none;flex-direction:column;gap:10px;}
  .rank-list.active{display:flex;}
  .rank-item{
    display:flex;align-items:center;gap:14px;background:#fff;border-radius:14px;padding:10px 16px;
    box-shadow:0 4px 12px rgba(27,28,34,.05);opacity:1;
  }
  .rank-item.enter{animation:fadeUp .4s ease both;}
  @keyframes fadeUp{from{transform:translateY(8px);}to{transform:translateY(0);}}
  .rank-no{
    font-family:"SFMono-Regular",Consolas,monospace;font-size:26px;font-weight:800;
    color:#c9c6be;min-width:44px;
  }
  .rank-item:nth-child(-n+3) .rank-no{color:var(--accent);}
  .rank-item img{width:52px;height:70px;object-fit:cover;border-radius:8px;flex:none;}
  .rank-info{flex:1;min-width:0;}
  .rank-info h4{font-size:15px;margin-bottom:2px;}
  .rank-info p{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .rank-score{font-size:14px;font-weight:800;color:var(--blue);white-space:nowrap;}

  /* ---------- 阅读器体验 ---------- */
  .reader-grid{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:center;}
  .feature-list{display:flex;flex-direction:column;gap:10px;}
  .feature{
    display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:14px;
    background:#fff;border:1px solid var(--line);cursor:pointer;transition:.22s;
  }
  .feature:hover,.feature.active{border-color:var(--accent);box-shadow:0 8px 20px rgba(232,65,90,.1);}
  .feature .ico{
    width:36px;height:36px;flex:none;border-radius:10px;background:var(--accent-soft);color:var(--accent);
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  }
  .feature h3{font-size:15px;margin-bottom:2px;}
  .feature p{font-size:13px;color:var(--muted);}
  .reader-phone{
    width:260px;aspect-ratio:9/19;border-radius:32px;background:#111;padding:9px;margin:0 auto;
    box-shadow:0 26px 50px rgba(27,28,34,.28);position:relative;
  }
  .reader-screen{width:100%;height:100%;border-radius:24px;overflow:hidden;background:#15161c;position:relative;}
  .reader-track{position:absolute;width:100%;top:0;transition:transform .8s ease,filter .4s ease;animation:autoScroll 26s linear infinite;}
  .reader-track img{width:100%;margin-bottom:6px;border-radius:8px;}
  .reader-screen.night{filter:sepia(.45) brightness(.72) contrast(1.05);}
  .reader-screen.zoom .reader-track{transform:scale(1.35);}
  .reader-screen.night.zoom .reader-track{transform:scale(1.35);}

  /* ---------- 书架 ---------- */
  .shelf-card{
    background:#fff;border-radius:22px;padding:28px;box-shadow:var(--shadow);position:relative;
  }
  .shelf-row{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
  .shelf-item{text-align:center;}
  .shelf-item img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;}
  .shelf-item p{font-size:12px;color:var(--ink-soft);margin:8px 0 6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .bar{height:5px;border-radius:3px;background:#efece5;overflow:hidden;}
  .bar i{display:block;height:100%;background:var(--accent);border-radius:3px;}
  .shelf-item span{font-size:11px;color:var(--muted);}
  .float-tag{
    position:absolute;background:var(--ink);color:#fff;font-size:12px;font-weight:700;
    padding:6px 14px;border-radius:999px;box-shadow:0 8px 18px rgba(27,28,34,.22);
  }
  .float-tag.t1{top:-14px;left:8%;}
  .float-tag.t2{bottom:-14px;left:40%;}
  .float-tag.t3{top:38%;right:-12px;background:var(--accent);}

  /* ---------- 下载 ---------- */
  .down-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
  .down-tile{
    background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;
    display:flex;align-items:center;gap:12px;transition:.22s;
  }
  .down-tile:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow);}
  .down-tile .glyph{
    width:40px;height:40px;flex:none;border-radius:12px;background:#f6f5f2;
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:var(--ink-soft);
  }
  .down-tile strong{display:block;font-size:14px;}
  .down-tile small{font-size:11px;color:var(--muted);}
  .qr-box{
    display:flex;align-items:center;gap:14px;margin-top:20px;background:#fff;border:1px dashed var(--line);
    border-radius:14px;padding:14px 18px;width:fit-content;
  }
  .qr-fake{width:64px;height:64px;border-radius:10px;background:
     repeating-linear-gradient(0deg,#1b1c22 0 4px,transparent 4px 8px),
     repeating-linear-gradient(90deg,#1b1c22 0 4px,#fff 4px 8px);
     background-blend-mode:multiply;border:4px solid #fff;box-shadow:0 0 0 1px var(--line);}
  .qr-box p{font-size:13px;color:var(--ink-soft);}
  .tips-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0;}
  .tip{background:#fff;border-radius:14px;padding:16px;font-size:13px;color:var(--ink-soft);border:1px solid var(--line);}
  .tip strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden;}
  .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;font-size:14px;font-weight:700;color:var(--ink);text-align:left;}
  .faq-q i{font-style:normal;font-weight:800;color:var(--accent);transition:transform .3s;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
  .faq-a p{padding:0 18px 16px;font-size:13px;color:var(--muted);}
  .faq-item.open .faq-q i{transform:rotate(45deg);}

  /* ---------- 品牌故事 ---------- */
  .story-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;}
  .story-grid article p{color:var(--ink-soft);font-size:15px;margin-bottom:14px;}
  .story-grid article h3{font-size:17px;margin:20px 0 6px;}
  .stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start;}
  .stat{background:#fff;border-radius:16px;padding:20px;border:1px solid var(--line);}
  .stat b{display:block;font-size:24px;color:var(--accent);}
  .stat span{font-size:13px;color:var(--muted);}

  /* ---------- 页脚 ---------- */
  footer{background:#15161c;color:#a9abb6;padding:52px 0 22px;margin-top:40px;}
  .foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
  .foot-col h4{color:#fff;font-size:14px;margin-bottom:12px;}
  .foot-col a,.foot-col p{display:block;font-size:13px;color:#9a9cab;margin-bottom:8px;}
  .foot-col a:hover{color:#fff;}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;
    font-size:12px;color:#7c7e8c;display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  }
  .foot-bottom a{color:#7c7e8c;}
  .foot-bottom a:hover{color:#fff;}
  .update-time{font-size:12px;color:#7c7e8c;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:30px;}
    .hero-visual{min-height:380px;}
    .spotlight-grid{grid-template-columnsolumns:1fr;grid-template-columns:1fr;}
    .genre-rail{grid-template-columns:repeat(3,1fr);}
    .calendar{grid-template-columns:repeat(4,1fr);}
    .reader-grid{grid-template-columns:1fr;gap:30px;}
    .shelf-row{grid-template-columns:repeat(3,1fr);}
    .down-grid{grid-template-columns:repeat(2,1fr);}
    .tips-row{grid-template-columns:repeat(2,1fr);}
    .story-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:repeat(2,1fr);}
  }
  @media (max-width:768px){
    .nav-links,.nav .btn.desk{display:none;}
    .burger{display:flex;}
    .drawer{display:block;}
    .nav{top:8px;margin-top:8px;width:94vw;}
    .hero{padding:36px 0 10px;}
    .hero-actions .btn{flex:1;}
    .small-grid{grid-template-columns:1fr 1fr;}
    .genre-rail{grid-template-columns:repeat(2,1fr);}
    .genre-thumbs{grid-template-columns:repeat(2,1fr);}
    .calendar{grid-template-columns:repeat(2,1fr);}
    .shelf-row{grid-template-columns:repeat(2,1fr);}
    .down-grid{grid-template-columns:1fr;}
    .tips-row{grid-template-columns:1fr;}
    .rank-item{padding:8px 10px;gap:10px;}
    .rank-no{font-size:20px;min-width:30px;}
    .rank-info p{display:none;}
    .foot-grid{grid-template-columns:1fr 1fr;}
    .float-tag.t3{right:0;top:auto;bottom:-14px;}
  }