:root{
    --bg:#0b0d17;
    --bg-soft:#121527;
    --card:#171b30;
    --line:rgba(255,255,255,.09);
    --txt:#eef0fa;
    --txt-dim:#a3a8c3;
    --rainbow:linear-gradient(90deg,#ff5f6d,#ffc371,#47e6b1,#4facfe,#a56bff);
    --violet:#8b5cf6;
    --cyan:#38e0c8;
    --pink:#ff6b9d;
    --radius:18px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    background:var(--bg);
    color:var(--txt);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
  .rainbow-text{
    background:var(--rainbow);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }

  /* ============ HEADER ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(11,13,23,.82);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    display:flex;align-items:center;justify-content:space-between;
    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:17px;font-weight:700;letter-spacing:.5px}
  .nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
  .nav-links a{
    font-size:13.5px;color:var(--txt-dim);
    padding:7px 10px;border-radius:9px;
    transition:color .2s,background .2s;
    white-space:nowrap;
  }
  .nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
  .nav-toggle{
    display:none;background:transparent;border:1px solid var(--line);
    color:var(--txt);font-size:14px;padding:7px 13px;border-radius:10px;cursor:pointer;
  }

  /* ============ HERO ============ */
  .hero{
    position:relative;
    padding:72px 0 60px;
    overflow:hidden;
    background:
      radial-gradient(900px 480px at 12% -10%, rgba(139,92,246,.34), transparent 65%),
      radial-gradient(760px 420px at 92% 4%, rgba(56,224,200,.22), transparent 66%),
      radial-gradient(600px 400px at 60% 110%, rgba(255,107,157,.16), transparent 70%);
  }
  .hero-grid{
    display:grid;grid-template-columns:1.05fr .95fr;
    gap:48px;align-items:center;
  }
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:#d9dcf5;
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.05);
    padding:6px 14px;border-radius:999px;margin-bottom:22px;
  }
  .hero-tag i{
    width:7px;height:7px;border-radius:50%;
    background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block;
  }
  .hero h1{
    font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.5px;
    margin-bottom:20px;
  }
  .hero-desc{color:var(--txt-dim);font-size:16px;max-width:520px;margin-bottom:30px}
  .hero-desc strong{color:#fff;font-weight:600}

  /* 下载按钮 */
  .dl-group{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
  .dl-btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:13px 22px;border-radius:14px;
    font-size:14.5px;font-weight:600;
    border:1px solid var(--line);
    background:rgba(255,255,255,.06);
    color:var(--txt);
    transition:transform .18s,border-color .18s,background .18s;
  }
  .dl-btn:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.11)}
  .dl-btn.primary{
    background:var(--rainbow);
    color:#0b0d17;border:none;
    box-shadow:0 12px 30px -12px rgba(139,92,246,.8);
  }
  .dl-btn .ico{font-size:17px;line-height:1}
  .dl-note{font-size:12.5px;color:var(--txt-dim)}
  .dl-note b{color:var(--cyan);font-weight:600}

  /* 手机样机 */
  .hero-visual{position:relative}
  .phone-stack{position:relative;height:520px}
  .phone{
    position:absolute;border-radius:26px;overflow:hidden;
    border:1px solid rgba(255,255,255,.16);
    box-shadow:0 30px 60px -20px rgba(0,0,0,.85);
    background:var(--card);
  }
  .phone img{width:100%;height:100%;object-fit:cover}
  .phone-a{width:246px;height:430px;left:6%;top:22px;transform:rotate(-6deg);z-index:2}
  .phone-b{width:246px;height:430px;right:4%;top:70px;transform:rotate(6deg);z-index:3}
  .phone-c{width:200px;height:360px;left:32%;top:130px;transform:rotate(0deg);z-index:1;opacity:.95}

  /* ============ SECTION 通用 ============ */
  section{padding:76px 0;position:relative}
  .sec-head{margin-bottom:40px}
  .sec-kicker{
    font-size:13px;letter-spacing:2px;font-weight:600;
    color:var(--cyan);text-transform:uppercase;margin-bottom:12px;
  }
  .sec-head h2{font-size:31px;font-weight:800;line-height:1.3;letter-spacing:-.3px}
  .sec-head p{color:var(--txt-dim);font-size:15px;margin-top:12px;max-width:640px}

  /* 首页板块 - 书架 */
  .shelf{background:var(--bg-soft)}
  .poster-grid{
    display:grid;grid-template-columns:repeat(4,1fr);
    gap:22px;
  }
  .poster-card{
    background:var(--card);border-radius:var(--radius);overflow:hidden;
    border:1px solid var(--line);
    transition:transform .22s,border-color .22s;
    display:flex;flex-direction:column;
  }
  .poster-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.55)}
  .poster-card .thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#0f1222}
  .poster-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
  .poster-card:hover .thumb img{transform:scale(1.05)}
  .poster-card .thumb .date{
    position:absolute;left:10px;bottom:10px;
    font-size:11.5px;color:#fff;padding:3px 9px;border-radius:8px;
    background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  }
  .poster-card .info{padding:14px 15px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
  .poster-card .info h3{font-size:15.5px;font-weight:700;line-height:1.35}
  .poster-card .info .tags{display:flex;flex-wrap:wrap;gap:6px}
  .poster-card .info .tags span{
    font-size:11px;padding:2px 8px;border-radius:6px;
    background:rgba(139,92,246,.16);color:#c4b5fd;
  }
  .poster-card .info .desc{font-size:12.8px;color:var(--txt-dim);line-height:1.55}

  /* AI 短剧 */
  .ai-band{
    background:
      radial-gradient(700px 380px at 88% 0%, rgba(139,92,246,.28), transparent 65%),
      radial-gradient(500px 300px at 8% 100%, rgba(56,224,200,.16), transparent 65%);
  }
  .ai-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
  .ai-copy h2{font-size:30px;margin-bottom:16px;line-height:1.3}
  .ai-copy p{color:var(--txt-dim);font-size:15px;margin-bottom:20px}
  .ai-points{list-style:none;display:grid;gap:14px}
  .ai-points li{
    display:flex;gap:14px;align-items:flex-start;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:14px;padding:15px 18px;
  }
  .ai-points .num{
    flex-shrink:0;width:28px;height:28px;border-radius:9px;
    display:grid;place-items:center;font-size:13px;font-weight:700;
    background:var(--rainbow);color:#0b0d17;
  }
  .ai-points strong{display:block;font-size:14.5px;margin-bottom:3px}
  .ai-points span{font-size:13px;color:var(--txt-dim)}
  .ai-poster{
    position:relative;border-radius:22px;overflow:hidden;
    border:1px solid rgba(255,255,255,.14);
    box-shadow:0 34px 70px -30px rgba(139,92,246,.6);
  }
  .ai-poster img{width:100%;height:auto}
  .ai-poster .cap{
    position:absolute;left:0;right:0;bottom:0;
    padding:26px 20px 18px;
    background:linear-gradient(to top,rgba(5,7,15,.92),transparent);
    font-size:14px;color:#e9e6ff;
  }

  /* 热播剧 */
  .hot-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  }
  .hot-card{
    display:flex;gap:16px;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius);
    padding:16px;transition:border-color .2s,transform .2s;
  }
  .hot-card:hover{border-color:rgba(56,224,200,.45);transform:translateY(-4px)}
  .hot-card .pic{
    width:104px;flex-shrink:0;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:#0f1222;
  }
  .hot-card .pic img{width:100%;height:100%;object-fit:cover}
  .hot-card .body{display:flex;flex-direction:column;gap:7px;min-width:0}
  .hot-card .body h3{font-size:15px;font-weight:700;line-height:1.35}
  .hot-card .body .meta{font-size:11.5px;color:var(--txt-dim)}
  .hot-card .body .desc{font-size:12.5px;color:var(--txt-dim);line-height:1.55}
  .hot-card .body .tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto}
  .hot-card .body .tags span{
    font-size:10.5px;padding:2px 7px;border-radius:5px;
    background:rgba(56,224,200,.14);color:#7defd8;
  }

  /* 安装步骤 */
  .steps-band{background:var(--bg-soft)}
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
  .step{
    position:relative;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius);
    padding:28px 20px 22px;
  }
  .step::before{
    counter-increment:step;content:counter(step,decimal-leading-zero);
    position:absolute;top:-14px;left:20px;
    font-size:12px;font-weight:800;letter-spacing:1px;
    padding:4px 10px;border-radius:8px;
    background:var(--rainbow);color:#0b0d17;
  }
  .step h3{font-size:16px;margin-bottom:9px}
  .step p{font-size:13px;color:var(--txt-dim)}

  /* FAQ */
  .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .faq-item{
    background:var(--card);border:1px solid var(--line);
    border-radius:14px;padding:18px 20px;
  }
  .faq-item h3{
    font-size:14.5px;font-weight:700;margin-bottom:8px;
    display:flex;gap:9px;align-items:flex-start;
  }
  .faq-item h3 em{
    font-style:normal;flex-shrink:0;color:var(--cyan);
    font-weight:800;font-size:13px;
  }
  .faq-item p{font-size:13px;color:var(--txt-dim);padding-left:24px}

  /* 热评 */
  .review-band{
    background:
      radial-gradient(700px 400px at 20% 0%, rgba(255,107,157,.16), transparent 65%),
      radial-gradient(600px 360px at 90% 100%, rgba(139,92,246,.22), transparent 65%);
  }
  .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .review{
    background:rgba(255,255,255,.045);border:1px solid var(--line);
    border-radius:16px;padding:20px;
  }
  .review .who{display:flex;align-items:center;gap:10px;margin-bottom:12px}
  .review .ava{
    width:36px;height:36px;border-radius:50%;flex-shrink:0;
    display:grid;place-items:center;font-size:14px;font-weight:700;color:#0b0d17;
    background:var(--rainbow);
  }
  .review .who b{font-size:13.5px;display:block}
  .review .who small{font-size:11px;color:var(--txt-dim)}
  .review p{font-size:13px;color:#d6d9ee;line-height:1.65}

  /* 隐私安全 */
  .privacy-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start}
  .privacy-aside{
    background:linear-gradient(160deg,rgba(56,224,200,.14),rgba(139,92,246,.12));
    border:1px solid var(--line);border-radius:22px;padding:30px 26px;
  }
  .privacy-aside h3{font-size:19px;margin-bottom:14px}
  .privacy-aside p{font-size:13.5px;color:#cfd3ea;margin-bottom:16px}
  .privacy-aside ul{list-style:none;display:grid;gap:11px}
  .privacy-aside li{
    font-size:13px;color:#dfe2f5;display:flex;gap:10px;align-items:flex-start;
  }
  .privacy-aside li::before{
    content:"✓";color:var(--cyan);font-weight:800;flex-shrink:0;
  }
  .qa-list{display:grid;gap:14px}
  .qa{
    background:var(--card);border:1px solid var(--line);
    border-radius:14px;padding:18px 20px;
  }
  .qa .q{font-size:14.5px;font-weight:700;margin-bottom:8px;color:#fff}
  .qa .a{font-size:13px;color:var(--txt-dim)}

  /* 创作者计划 */
  .creator-band{background:var(--bg-soft)}
  .creator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .creator-card{
    border:1px solid var(--line);border-radius:var(--radius);
    padding:24px 22px;background:rgba(255,255,255,.03);
    transition:border-color .2s,background .2s;
  }
  .creator-card:hover{border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.08)}
  .creator-card h3{font-size:16.5px;margin-bottom:10px;display:flex;align-items:center;gap:9px}
  .creator-card h3 .dot{
    width:8px;height:8px;border-radius:50%;background:var(--pink);
    box-shadow:0 0 10px var(--pink);flex-shrink:0;
  }
  .creator-card p{font-size:13px;color:var(--txt-dim)}
  .creator-note{
    margin-top:24px;font-size:13px;color:var(--txt-dim);
    border-left:3px solid var(--violet);padding-left:16px;line-height:1.8;
  }

  /* 社区 */
  .community-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
  .community-list{display:grid;gap:14px}
  .community-item{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--card);border:1px solid var(--line);
    border-radius:14px;padding:16px 18px;
  }
  .community-item .badge{
    flex-shrink:0;font-size:11.5px;font-weight:700;
    padding:3px 9px;border-radius:7px;
    background:rgba(56,224,200,.16);color:#7defd8;margin-top:2px;
  }
  .community-item div b{font-size:14px;display:block;margin-bottom:4px}
  .community-item div p{font-size:12.8px;color:var(--txt-dim)}
  .community-art{
    border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.13);
    box-shadow:0 30px 60px -28px rgba(0,0,0,.9);
  }
  .community-art img{width:100%;height:100%;object-fit:cover}

  /* 下载区 */
  .download-band{
    background:
      radial-gradient(800px 420px at 50% -20%, rgba(139,92,246,.38), transparent 68%),
      radial-gradient(600px 340px at 15% 110%, rgba(56,224,200,.18), transparent 68%);
    border-top:1px solid var(--line);
  }
  .dl-panel{
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.14);
    border-radius:26px;padding:46px 40px;
    text-align:center;
  }
  .dl-panel h2{font-size:30px;margin-bottom:14px;line-height:1.32}
  .dl-panel > p{color:var(--txt-dim);font-size:15px;max-width:640px;margin:0 auto 30px}
  .dl-panel .dl-group{justify-content:center;margin-bottom:10px}
  .dl-panel .dl-note{margin-bottom:34px}
  .mini-steps{
    display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
    text-align:left;max-width:820px;margin:0 auto;
  }
  .mini-step{
    background:rgba(11,13,23,.5);border:1px solid var(--line);
    border-radius:14px;padding:16px 18px;
  }
  .mini-step b{font-size:13.5px;display:block;margin-bottom:6px;color:#fff}
  .mini-step span{font-size:12.5px;color:var(--txt-dim)}

  /* 页脚 */
  .site-footer{
    border-top:1px solid var(--line);
    padding:40px 0 32px;background:#080a12;
  }
  .footer-top{
    display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
    padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:22px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px}
  .footer-brand img{height:30px;width:auto;border-radius:7px}
  .footer-brand b{font-size:15px}
  .footer-brand p{font-size:12.5px;color:var(--txt-dim);margin-top:2px}
  .footer-links{display:flex;flex-wrap:wrap;gap:8px 18px}
  .footer-links a{font-size:13px;color:var(--txt-dim);transition:color .2s}
  .footer-links a:hover{color:#fff}
  .footer-bottom{font-size:12.5px;color:#6f7592;line-height:1.9}
  .footer-bottom .update{display:block;margin-top:4px;color:#5f657f}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .hero h1{font-size:36px}
    .hero-grid{grid-template-columns:1fr;gap:40px}
    .hero-visual{max-width:560px;margin:0 auto;width:100%}
    .phone-stack{height:440px}
    .phone-a,.phone-b{width:206px;height:360px}
    .phone-c{width:168px;height:300px;top:110px}
    .poster-grid{grid-template-columns:repeat(3,1fr)}
    .hot-grid{grid-template-columns:repeat(2,1fr)}
    .review-grid{grid-template-columns:repeat(2,1fr)}
    .steps{grid-template-columns:repeat(2,1fr)}
    .creator-grid{grid-template-columns:repeat(2,1fr)}
    .ai-layout,.community-layout,.privacy-layout{grid-template-columns:1fr;gap:30px}
    .dl-panel{padding:38px 28px}
  }
  @media (max-width:768px){
    .nav-toggle{display:inline-block}
    .nav-links{
      position:absolute;top:64px;left:0;right:0;
      background:rgba(11,13,23,.97);
      border-bottom:1px solid var(--line);
      flex-direction:column;align-items:stretch;
      padding:10px 16px 16px;gap:2px;
      display:none;
    }
    .nav-links.open{display:flex}
    .nav-links a{padding:10px 12px;font-size:14px}
    section{padding:54px 0}
    .hero{padding:48px 0 44px}
    .hero h1{font-size:28px}
    .hero-desc{font-size:14.5px}
    .sec-head h2{font-size:24px}
    .sec-head{margin-bottom:28px}
    .poster-grid{grid-template-columns:repeat(2,1fr);gap:14px}
    .poster-card .info{padding:11px 12px 13px}
    .poster-card .info h3{font-size:13.5px}
    .hot-grid,.review-grid,.steps,.creator-grid,.faq-list{grid-template-columns:1fr}
    .hot-card .pic{width:88px}
    .phone-stack{height:380px}
    .phone-a{width:172px;height:300px;left:2%}
    .phone-b{width:172px;height:300px;right:2%;top:44px}
    .phone-c{display:none}
    .ai-copy h2,.dl-panel h2{font-size:23px}
    .dl-panel{padding:30px 20px;border-radius:20px}
    .mini-steps{grid-template-columns:1fr}
    .dl-btn{width:100%;justify-content:center;padding:13px 18px}
    .footer-top{flex-direction:column;gap:18px}
  }