:root{
    --bg:#060914;
    --bg-soft:#0b1022;
    --card:rgba(20,28,54,0.62);
    --line:rgba(96,214,255,0.22);
    --cyan:#39e0ff;
    --violet:#8b6bff;
    --pink:#ff5fa2;
    --text:#e8f0ff;
    --muted:#93a3c4;
    --radius:18px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.75;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

  /* 背景光效 */
  .bg-glow{position:fixed;inset:0;z-index:-1;pointer-events:none;
    background:
      radial-gradient(circle at 12% 8%,rgba(57,224,255,0.16),transparent 40%),
      radial-gradient(circle at 88% 22%,rgba(139,107,255,0.18),transparent 42%),
      radial-gradient(circle at 50% 96%,rgba(255,95,162,0.10),transparent 45%),
      linear-gradient(180deg,#060914 0%,#080d1e 55%,#05070f 100%);
  }
  .grid-overlay{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;
    background-image:linear-gradient(rgba(96,214,255,.06) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(96,214,255,.06) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 70%);
  }

  /* 顶栏 */
  header.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
    background:rgba(6,9,20,0.78);border-bottom:1px solid var(--line);}
  .header-inner{display:flex;align-items:center;gap:18px;height:64px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand img{height:34px;width:auto;border-radius:8px;}
  .brand span{font-size:18px;font-weight:700;letter-spacing:1px;
    background:linear-gradient(90deg,var(--cyan),var(--violet));
    -webkit-background-clip:text;background-clip:text;color:transparent;}
  nav.main-nav{flex:1;overflow-x:auto;scrollbar-width:none;}
  nav.main-nav::-webkit-scrollbar{display:none;}
  .nav-list{display:flex;gap:6px;list-style:none;white-space:nowrap;}
  .nav-list a{display:block;padding:8px 13px;font-size:13.5px;color:var(--muted);
    border-radius:999px;border:1px solid transparent;transition:.25s;}
  .nav-list a:hover{color:var(--cyan);border-color:var(--line);background:rgba(57,224,255,.07);}
  .header-cta{flex-shrink:0;display:none;}
  .header-cta a{display:inline-block;padding:9px 20px;border-radius:999px;font-size:14px;font-weight:600;
    color:#04121c;background:linear-gradient(90deg,var(--cyan),var(--violet));
    box-shadow:0 0 18px rgba(57,224,255,.35);}

  /* 首屏 */
  .hero{padding:64px 0 46px;position:relative;}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:38px;align-items:center;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:2px;
    color:var(--cyan);border:1px solid var(--line);border-radius:999px;padding:6px 14px;
    background:rgba(57,224,255,.06);margin-bottom:20px;}
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--cyan);
    box-shadow:0 0 10px var(--cyan);display:inline-block;}
  h1{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:.5px;margin-bottom:18px;}
  h1 em{font-style:normal;
    background:linear-gradient(90deg,var(--cyan),var(--pink));
    -webkit-background-clip:text;background-clip:text;color:transparent;}
  .hero-desc{font-size:15.5px;color:var(--muted);max-width:620px;margin-bottom:26px;}
  .hero-desc strong{color:var(--text);font-weight:600;}
  .btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:14px;
    font-size:15px;font-weight:600;transition:transform .22s,box-shadow .22s;border:1px solid transparent;}
  .btn:hover{transform:translateY(-2px);}
  .btn-android{background:linear-gradient(120deg,var(--cyan),#2ea8ff);color:#03111c;
    box-shadow:0 8px 26px rgba(57,224,255,.28);}
  .btn-ios{background:linear-gradient(120deg,var(--violet),var(--pink));color:#fff;
    box-shadow:0 8px 26px rgba(139,107,255,.28);}
  .btn svg{width:18px;height:18px;flex-shrink:0;}
  .hero-note{font-size:13px;color:var(--muted);}
  .hero-note b{color:var(--cyan);font-weight:600;}

  /* 竖版样机 */
  .phone-showcase{position:relative;display:flex;justify-content:center;gap:14px;align-items:flex-end;}
  .phone{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);
    box-shadow:0 18px 50px rgba(0,0,0,.55);background:#0a1124;}
  .phone img{width:100%;height:100%;object-fit:cover;}
  .phone.side{width:30%;max-width:150px;aspect-ratio:3/4.3;opacity:.85;transform:translateY(16px);}
  .phone.main{width:52%;max-width:250px;aspect-ratio:3/4.3;z-index:2;}
  .phone.main::after{content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 60%,rgba(6,9,20,.85));}
  .phone .tag{position:absolute;left:10px;bottom:10px;z-index:3;font-size:11px;padding:4px 10px;
    border-radius:999px;background:rgba(57,224,255,.16);border:1px solid var(--line);color:var(--cyan);}

  /* 通用区块 */
  section{padding:58px 0;position:relative;}
  .sec-head{margin-bottom:34px;}
  .sec-kicker{font-size:12.5px;letter-spacing:3px;color:var(--violet);margin-bottom:10px;text-transform:uppercase;}
  h2{font-size:24px;font-weight:800;letter-spacing:.5px;line-height:1.4;}
  h2 span{color:var(--cyan);}
  .sec-sub{font-size:14.5px;color:var(--muted);margin-top:10px;max-width:720px;}

  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    padding:24px;position:relative;overflow:hidden;transition:transform .25s,border-color .25s;}
  .card:hover{transform:translateY(-4px);border-color:rgba(57,224,255,.45);}
  .card::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;
    background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.7;}

  /* AI短剧 / AI漫剧 */
  .duo-grid{display:grid;grid-template-columns:1fr;gap:22px;}
  .duo-card{display:grid;grid-template-columns:1fr;gap:0;}
  .duo-card .duo-img{position:relative;overflow:hidden;border-radius:14px;aspect-ratio:3/4;max-height:420px;}
  .duo-card .duo-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
  .duo-card:hover .duo-img img{transform:scale(1.05);}
  .duo-badge{position:absolute;top:12px;left:12px;font-size:11.5px;letter-spacing:1px;
    padding:5px 12px;border-radius:999px;background:rgba(6,9,20,.72);border:1px solid var(--line);color:var(--cyan);}
  .duo-body{padding-top:18px;}
  h3{font-size:18px;font-weight:700;margin-bottom:10px;}
  .duo-body p{font-size:14px;color:var(--muted);}
  .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .pill{font-size:12px;padding:4px 11px;border-radius:999px;color:var(--cyan);
    background:rgba(57,224,255,.08);border:1px solid var(--line);}

  /* 教程三步 */
  .steps{display:grid;grid-template-columns:1fr;gap:18px;counter-reset:step;}
  .step{display:flex;gap:16px;align-items:flex-start;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
  .step-num{flex-shrink:0;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
    font-weight:800;font-size:16px;color:#04121c;
    background:linear-gradient(135deg,var(--cyan),var(--violet));}
  .step h3{font-size:16px;margin-bottom:6px;}
  .step p{font-size:13.5px;color:var(--muted);}

  /* 问答 */
  .qa-list{display:grid;grid-template-columns:1fr;gap:14px;}
  details.qa{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;}
  details.qa summary{cursor:pointer;font-size:15px;font-weight:600;list-style:none;
    display:flex;justify-content:space-between;gap:12px;align-items:center;}
  details.qa summary::-webkit-details-marker{display:none;}
  details.qa summary::after{content:"+";color:var(--cyan);font-size:20px;font-weight:400;line-height:1;}
  details.qa[open] summary::after{content:"−";}
  details.qa p{margin-top:12px;font-size:13.5px;color:var(--muted);}

  /* 热评短剧 截图墙 */
  .poster-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
  .poster{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);
    aspect-ratio:3/4;background:#0a1124;}
  .poster img{width:100%;height:100%;object-fit:cover;transition:transform .45s;}
  .poster:hover img{transform:scale(1.06);}
  .poster figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 10px 9px;font-size:12px;
    color:#fff;background:linear-gradient(180deg,transparent,rgba(4,8,18,.92));
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

  /* 证书 */
  .cert-box{display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
  .cert-img{border-radius:14px;overflow:hidden;border:1px solid var(--line);}
  .cert-img img{width:100%;height:auto;object-fit:cover;}
  .cert-list{list-style:none;display:grid;gap:12px;margin-top:16px;}
  .cert-list li{font-size:14px;color:var(--muted);padding-left:24px;position:relative;}
  .cert-list li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
    background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 8px rgba(57,224,255,.6);}

  /* 专题推荐 */
  .topic-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  .topic{display:grid;grid-template-columns:110px 1fr;gap:16px;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius);padding:14px;align-items:center;}
  .topic-thumb{border-radius:12px;overflow:hidden;aspect-ratio:3/4;background:#0a1124;}
  .topic-thumb img{width:100%;height:100%;object-fit:cover;}
  .topic h3{font-size:15.5px;margin-bottom:6px;}
  .topic p{font-size:13px;color:var(--muted);}

  /* 观剧指南 */
  .guide-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  .guide-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
  .guide-item h3{font-size:16px;margin-bottom:8px;color:var(--cyan);}
  .guide-item p{font-size:13.5px;color:var(--muted);}

  /* 安装 CTA 条 */
  .cta-band{background:linear-gradient(120deg,rgba(57,224,255,.12),rgba(139,107,255,.14),rgba(255,95,162,.10));
    border:1px solid var(--line);border-radius:24px;padding:38px 24px;text-align:center;
    position:relative;overflow:hidden;}
  .cta-band h2{margin-bottom:12px;}
  .cta-band p{font-size:14.5px;color:var(--muted);max-width:620px;margin:0 auto 24px;}
  .cta-band .btn-row{justify-content:center;}

  /* 相关搜索 */
  .search-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
  .search-tags span{font-size:12.5px;color:var(--muted);padding:6px 13px;border-radius:999px;
    border:1px solid rgba(96,214,255,.16);background:rgba(255,255,255,.02);}

  /* 页脚 */
  footer.site-footer{border-top:1px solid var(--line);padding:30px 0 34px;
    background:rgba(4,7,15,.7);}
  .footer-inner{display:flex;flex-direction:column;gap:10px;font-size:12.5px;color:#7d8aa6;}
  .footer-inner a{color:#8fa4c8;}
  .footer-inner a:hover{color:var(--cyan);}
  .footer-meta{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;}
  .footer-inner time{color:#6f7d97;}

  /* 百度浮层 */
  .bd-mask{position:fixed;inset:0;background:rgba(3,6,14,.78);backdrop-filter:blur(6px);
    z-index:200;display:none;align-items:center;justify-content:center;padding:24px;}
  .bd-mask.show{display:flex;}
  .bd-dialog{width:100%;max-width:420px;background:#0d1428;border:1px solid var(--line);
    border-radius:20px;padding:26px 22px;box-shadow:0 24px 70px rgba(0,0,0,.6);}
  .bd-dialog h4{font-size:16px;font-weight:700;margin-bottom:14px;color:var(--text);line-height:1.5;}
  .bd-link{font-size:13px;word-break:break-all;color:var(--cyan);
    background:rgba(57,224,255,.07);border:1px dashed var(--line);border-radius:12px;
    padding:12px 14px;margin-bottom:16px;user-select:all;}
  .bd-actions{display:flex;gap:10px;}
  .bd-actions button{flex:1;padding:11px 0;border-radius:12px;font-size:14px;cursor:pointer;
    font-family:inherit;border:1px solid var(--line);background:transparent;color:var(--muted);}
  .bd-actions button.primary{background:linear-gradient(120deg,var(--cyan),var(--violet));
    color:#04121c;font-weight:700;border-color:transparent;}

  /* 断点 768 */
  @media (min-width:768px){
    .wrap{padding:0 32px;}
    header .header-inner{height:72px;}
    .brand img{height:38px;}
    .brand span{font-size:20px;}
    nav.main-nav{flex:1;}
    .header-cta{display:block;}
    h1{font-size:40px;}
    h2{font-size:30px;}
    .hero{padding:84px 0 60px;}
    section{padding:74px 0;}
    .duo-grid{grid-template-columns:1fr 1fr;}
    .duo-card .duo-img{max-height:480px;}
    .steps{grid-template-columns:repeat(3,1fr);}
    .step{flex-direction:column;}
    .qa-list{grid-template-columns:1fr 1fr;}
    details.qa{grid-column:span 2;}
    .qa-list details.qa:nth-child(odd){grid-column:auto;}
    .qa-list details.qa:nth-child(even){grid-column:auto;}
    .poster-wall{grid-template-columns:repeat(3,1fr);gap:18px;}
    .cert-box{grid-template-columns:1fr 1.15fr;padding:32px;}
    .topic-grid{grid-template-columns:1fr 1fr;}
    .guide-grid{grid-template-columns:repeat(3,1fr);}
    .cta-band{padding:52px 40px;}
    .footer-inner{flex-direction:row;justify-content:space-between;align-items:center;}
    .phone.side{max-width:170px;}
    .phone.main{max-width:280px;}
  }
  @media (min-width:1024px){
    .wrap{padding:0 40px;}
    .hero-grid{grid-template-columns:1.05fr .95fr;gap:60px;}
    h1{font-size:46px;}
    .hero-desc{font-size:16.5px;}
    .poster-wall{grid-template-columns:repeat(4,1fr);}
    .duo-grid{gap:28px;}
    .step{padding:26px;}
    .cert-box{grid-template-columns:1fr 1.4fr;}
    .phone.side{max-width:196px;transform:translateY(26px);}
    .phone.main{max-width:315px;}
  }