:root{
    --bg:#0e0a14;
    --bg-soft:#171021;
    --card:#1e1529;
    --line:#33263f;
    --gold:#f5c451;
    --gold-deep:#e0a52e;
    --orange:#ff8a3d;
    --text:#f3eef8;
    --muted:#b5a8c4;
    --radius:16px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    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;}
  section{padding:64px 0;}
  .sec-head{margin-bottom:34px;}
  .sec-head h2{
    font-size:clamp(22px,3.2vw,32px);
    letter-spacing:.5px;
    color:#fff;
  }
  .sec-head p{color:var(--muted);margin-top:8px;font-size:15px;}
  .eyebrow{
    display:inline-block;font-size:12px;letter-spacing:3px;
    color:var(--gold);margin-bottom:10px;font-weight:700;
  }

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(14,10,20,.88);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:64px;gap:16px;
  }
  .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:800;color:#fff;white-space:nowrap;}
  .nav-links{display:flex;gap:22px;font-size:14px;color:var(--muted);}
  .nav-links a:hover{color:var(--gold);}
  .nav-cta{
    background:linear-gradient(135deg,var(--gold),var(--orange));
    color:#1a0f05;font-weight:800;font-size:14px;
    padding:9px 18px;border-radius:999px;white-space:nowrap;
  }
  .nav-toggle{
    display:none;background:none;border:1px solid var(--line);
    color:var(--text);border-radius:8px;padding:6px 10px;font-size:18px;cursor:pointer;
  }

  /* 首屏 */
  .hero{
    position:relative;
    padding:56px 0 64px;
    background:
      radial-gradient(900px 460px at 82% 8%,rgba(245,196,81,.16),transparent 62%),
      radial-gradient(700px 420px at 8% 92%,rgba(255,138,61,.14),transparent 60%),
      linear-gradient(180deg,#150e1f 0%,#0e0a14 100%);
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid;grid-template-columns:1.05fr .95fr;
    gap:44px;align-items:center;
  }
  .hero h1{
    font-size:clamp(28px,4.4vw,46px);
    line-height:1.28;letter-spacing:.5px;color:#fff;
    margin-bottom:18px;
  }
  .hero h1 em{
    font-style:normal;
    background:linear-gradient(120deg,var(--gold),var(--orange));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-lead{color:var(--muted);font-size:16px;max-width:520px;margin-bottom:22px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
  .hero-tags span{
    font-size:13px;color:var(--gold);
    border:1px solid rgba(245,196,81,.36);
    background:rgba(245,196,81,.08);
    padding:5px 12px;border-radius:999px;
  }
  .dl-group{display:flex;flex-wrap:wrap;gap:12px;}
  .dl-btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:13px 22px;border-radius:12px;font-size:15px;font-weight:700;
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .dl-btn:hover{transform:translateY(-2px);}
  .dl-btn .ico{font-size:18px;line-height:1;}
  .dl-btn.primary{
    background:linear-gradient(135deg,var(--gold),var(--orange));
    color:#1a0f05;box-shadow:0 10px 24px rgba(245,196,81,.24);
  }
  .dl-btn.ghost{
    border:1px solid var(--line);color:var(--text);background:var(--card);
  }
  .dl-btn.ghost:hover{border-color:var(--gold);color:var(--gold);}
  .hero-note{margin-top:14px;font-size:13px;color:#8e819c;}

  .hero-visual{position:relative;}
  .hero-covers{
    display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
    transform:perspective(900px) rotateY(-8deg);
  }
  .hero-covers img{
    width:100%;aspect-ratio:3/4;object-fit:cover;
    border-radius:12px;border:1px solid var(--line);
    box-shadow:0 16px 36px rgba(0,0,0,.5);
  }
  .hero-covers img:nth-child(2){transform:translateY(20px);}
  .hero-covers img:nth-child(5){transform:translateY(-16px);}

  /* 剧集卡片 */
  .drama-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  }
  .drama-card{
    background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;
    display:flex;flex-direction:column;
    transition:transform .2s ease,border-color .2s ease;
  }
  .drama-card:hover{transform:translateY(-4px);border-color:rgba(245,196,81,.5);}
  .drama-card .poster{position:relative;overflow:hidden;}
  .drama-card .poster img{
    width:100%;aspect-ratio:3/4;object-fit:cover;
    transition:transform .35s ease;
  }
  .drama-card:hover .poster img{transform:scale(1.05);}
  .poster .date{
    position:absolute;left:10px;top:10px;
    font-size:12px;color:#1a0f05;font-weight:700;
    background:var(--gold);padding:3px 9px;border-radius:999px;
  }
  .drama-body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .drama-body h3{font-size:16px;color:#fff;line-height:1.45;}
  .drama-body p{font-size:13px;color:var(--muted);line-height:1.65;flex:1;}
  .tag-row{display:flex;flex-wrap:wrap;gap:6px;}
  .tag-row span{
    font-size:11px;color:#e5d4a4;
    border:1px solid rgba(245,196,81,.3);
    padding:2px 8px;border-radius:999px;
  }
  .section-dark{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

  /* AI 专区 */
  .ai-layout{
    display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center;
  }
  .ai-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .ai-stack img{
    width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:14px;
    border:1px solid var(--line);
  }
  .ai-stack img:nth-child(2){margin-top:26px;}
  .ai-stack img:nth-child(3){margin-top:-18px;}
  .ai-points{display:grid;gap:14px;margin-top:20px;}
  .ai-point{
    background:var(--card);border:1px solid var(--line);
    border-left:3px solid var(--gold);
    border-radius:10px;padding:14px 16px;
  }
  .ai-point strong{display:block;color:#fff;font-size:15px;margin-bottom:3px;}
  .ai-point span{font-size:13.5px;color:var(--muted);}

  /* 热播榜 */
  .chart-list{display:grid;gap:14px;}
  .chart-item{
    display:grid;grid-template-columns:56px 84px 1fr auto;
    gap:16px;align-items:center;
    background:var(--card);border:1px solid var(--line);
    border-radius:14px;padding:12px 16px;
  }
  .chart-item .rank{
    font-size:22px;font-weight:900;
    color:var(--gold);text-align:center;
  }
  .chart-item img{width:84px;aspect-ratio:3/4;object-fit:cover;border-radius:8px;}
  .chart-info h3{font-size:16px;color:#fff;margin-bottom:4px;}
  .chart-info p{font-size:13px;color:var(--muted);}
  .chart-meta{font-size:12px;color:#8e819c;text-align:right;white-space:nowrap;}

  /* 安装步骤 */
  .steps-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
    counter-reset:step;
  }
  .step-card{
    position:relative;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 18px 20px;
  }
  .step-card::before{
    counter-increment:step;content:counter(step,decimal-leading-zero);
    font-size:26px;font-weight:900;color:rgba(245,196,81,.9);
    display:block;margin-bottom:10px;letter-spacing:1px;
  }
  .step-card h3{font-size:16px;color:#fff;margin-bottom:6px;}
  .step-card p{font-size:13.5px;color:var(--muted);}
  .steps-devices{
    margin-top:26px;display:grid;grid-template-columns:repeat(3,1fr);
    gap:16px;
  }
  .device-card{
    background:linear-gradient(150deg,#221830,#171021);
    border:1px solid var(--line);border-radius:14px;padding:18px;
  }
  .device-card h3{font-size:15px;color:var(--gold);margin-bottom:6px;}
  .device-card p{font-size:13px;color:var(--muted);margin-bottom:12px;}
  .device-card a{
    display:inline-block;font-size:13px;font-weight:700;
    color:#1a0f05;background:var(--gold);
    padding:7px 14px;border-radius:999px;
  }

  /* FAQ */
  .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .faq-item{
    background:var(--card);border:1px solid var(--line);
    border-radius:12px;padding:16px 18px;
  }
  .faq-item h3{
    font-size:15px;color:var(--gold);margin-bottom:6px;
    display:flex;gap:8px;
  }
  .faq-item h3::before{content:"Q";font-weight:900;}
  .faq-item p{font-size:13.5px;color:var(--muted);padding-left:22px;}

  /* 热评 */
  .review-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  }
  .review-card{
    background:var(--card);border:1px solid var(--line);
    border-radius:14px;padding:18px;
    display:flex;flex-direction:column;gap:10px;
  }
  .review-card .stars{color:var(--gold);font-size:13px;letter-spacing:2px;}
  .review-card p{font-size:14px;color:var(--text);}
  .review-user{font-size:12.5px;color:#8e819c;margin-top:auto;}

  /* 隐私安全 */
  .safe-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
  .safe-list{display:grid;gap:12px;}
  .safe-list li{
    list-style:none;background:var(--card);border:1px solid var(--line);
    border-radius:10px;padding:14px 16px;
    display:flex;gap:12px;align-items:flex-start;
  }
  .safe-list li .dot{
    flex-shrink:0;width:22px;height:22px;border-radius:50%;
    background:rgba(245,196,81,.16);color:var(--gold);
    font-size:13px;font-weight:900;
    display:flex;align-items:center;justify-content:center;margin-top:2px;
  }
  .safe-list li strong{display:block;color:#fff;font-size:14.5px;margin-bottom:2px;}
  .safe-list li span{font-size:13px;color:var(--muted);}

  /* 创作者计划 & 社区 */
  .creator-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;}
  .creator-main{
    background:linear-gradient(150deg,#251933,#141019);
    border:1px solid var(--line);border-radius:var(--radius);
    padding:28px;
  }
  .creator-main h3{font-size:20px;color:#fff;margin-bottom:10px;}
  .creator-main p{font-size:14px;color:var(--muted);margin-bottom:16px;}
  .creator-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .creator-points div{
    background:rgba(245,196,81,.07);
    border:1px solid rgba(245,196,81,.2);
    border-radius:10px;padding:12px 14px;
  }
  .creator-points strong{display:block;font-size:14px;color:var(--gold);margin-bottom:3px;}
  .creator-points span{font-size:12.5px;color:var(--muted);}

  .community-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
  .community-card{
    background:var(--card);border:1px solid var(--line);
    border-radius:12px;padding:16px;
  }
  .community-card h3{font-size:15px;color:#fff;margin-bottom:6px;}
  .community-card p{font-size:13px;color:var(--muted);}

  /* 底部下载 */
  .cta{
    background:
      radial-gradient(700px 320px at 20% 0%,rgba(245,196,81,.18),transparent 60%),
      linear-gradient(160deg,#1c1329,#100b18);
    border-top:1px solid var(--line);
    padding:70px 0;
    text-align:center;
  }
  .cta h2{font-size:clamp(22px,3.4vw,34px);color:#fff;margin-bottom:12px;}
  .cta > .wrap > p{color:var(--muted);max-width:620px;margin:0 auto 24px;font-size:15px;}
  .cta .dl-group{justify-content:center;}
  .cta-steps{
    display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
    max-width:900px;margin:36px auto 0;text-align:left;
  }
  .cta-steps div{
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);border-radius:12px;padding:16px;
  }
  .cta-steps strong{display:block;color:var(--gold);font-size:14px;margin-bottom:4px;}
  .cta-steps span{font-size:13px;color:var(--muted);}

  /* 页脚 */
  .site-footer{
    border-top:1px solid var(--line);
    background:#0a070f;padding:34px 0 26px;
  }
  .footer-top{
    display:flex;flex-wrap:wrap;justify-content:space-between;
    gap:22px;margin-bottom:22px;
  }
  .footer-links{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:var(--muted);}
  .footer-links a:hover{color:var(--gold);}
  .footer-brand{display:flex;align-items:center;gap:10px;}
  .footer-brand img{height:30px;width:auto;border-radius:6px;}
  .footer-brand span{font-weight:800;color:#fff;font-size:16px;}
  .footer-bottom{
    border-top:1px solid #1e1628;padding-top:16px;
    font-size:12.5px;color:#7b6f8a;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  }

  /* 响应式 */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .hero-visual{order:-1;}
    .hero-covers{transform:none;}
    .drama-grid{grid-template-columns:repeat(3,1fr);}
    .steps-grid{grid-template-columns:repeat(2,1fr);}
    .review-grid{grid-template-columns:repeat(2,1fr);}
    .ai-layout{grid-template-columns:1fr;}
    .creator-grid{grid-template-columns:1fr;}
    .safe-layout{grid-template-columns:1fr;}
  }
  @media (max-width:768px){
    section{padding:48px 0;}
    .nav-links{
      display:none;position:absolute;top:64px;left:0;right:0;
      background:var(--bg-soft);border-bottom:1px solid var(--line);
      flex-direction:column;gap:0;padding:8px 20px 16px;
    }
    .nav-links.open{display:flex;}
    .nav-links a{padding:10px 0;border-bottom:1px solid #241a30;font-size:15px;}
    .nav-toggle{display:block;}
    .nav-cta{display:none;}
    .hero{padding:38px 0 50px;}
    .hero-covers{gap:8px;}
    .drama-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
    .chart-item{grid-template-columns:40px 64px 1fr;gap:12px;}
    .chart-meta{display:none;}
    .chart-item img{width:64px;}
    .steps-grid{grid-template-columns:1fr;}
    .steps-devices{grid-template-columns:1fr;}
    .faq-grid{grid-template-columns:1fr;}
    .review-grid{grid-template-columns:1fr;}
    .community-grid{grid-template-columns:1fr;}
    .cta-steps{grid-template-columns:1fr;}
    .creator-points{grid-template-columns:1fr;}
    .dl-btn{flex:1 1 auto;justify-content:center;}
  }