:root{
    --bg:#0e0f13;
    --bg-soft:#16181f;
    --card:#1c1f28;
    --line:rgba(255,255,255,.08);
    --text:#f2f3f7;
    --muted:#9aa0ae;
    --brand:#ff4d6d;
    --brand-2:#ff8a5c;
    --radius-lg:22px;
    --radius-md:14px;
    --radius-sm:10px;
    --max:1160px;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(14,15,19,.86);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:66px;gap:16px;
  }
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.5px;}
  .brand img{height:34px;width:auto;border-radius:8px;}
  .nav{display:flex;align-items:center;gap:28px;}
  .nav a{font-size:15px;color:var(--muted);transition:color .2s;}
  .nav a:hover{color:var(--text);}
  .header-cta{
    display:inline-flex;align-items:center;gap:8px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    color:#fff;font-weight:600;font-size:14px;
    padding:9px 20px;border-radius:999px;
    white-space:nowrap;
    box-shadow:0 6px 20px rgba(255,77,109,.28);
  }
  .menu-toggle{
    display:none;background:none;border:1px solid var(--line);
    color:var(--text);width:40px;height:38px;border-radius:10px;
    font-size:16px;cursor:pointer;
  }

  /* ---------- hero ---------- */
  .hero{
    position:relative;
    padding:76px 0 64px;
    background:
      radial-gradient(900px 420px at 15% -10%,rgba(255,77,109,.20),transparent 65%),
      radial-gradient(760px 400px at 95% 0%,rgba(255,138,92,.13),transparent 62%);
    overflow:hidden;
  }
  .hero-inner{
    display:grid;grid-template-columns:1.05fr .95fr;
    gap:52px;align-items:center;
  }
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:#ffb3c0;
    background:rgba(255,77,109,.12);
    border:1px solid rgba(255,77,109,.28);
    padding:6px 14px;border-radius:999px;margin-bottom:22px;
  }
  .hero h1{
    font-size:clamp(30px,4vw,50px);
    line-height:1.22;margin:0 0 20px;font-weight:800;letter-spacing:-.5px;
  }
  .hero h1 em{
    font-style:normal;
    background:linear-gradient(120deg,var(--brand),var(--brand-2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero p{color:var(--muted);font-size:16px;margin:0 0 30px;max-width:520px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
  .btn-main{
    display:inline-flex;align-items:center;gap:10px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    color:#fff;font-weight:700;font-size:16px;
    padding:14px 34px;border-radius:999px;
    box-shadow:0 10px 30px rgba(255,77,109,.32);
    transition:transform .18s ease;
  }
  .btn-main:hover{transform:translateY(-2px);}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:8px;
    font-size:15px;color:var(--text);
    padding:13px 26px;border-radius:999px;
    border:1px solid var(--line);background:var(--bg-soft);
  }
  .hero-meta{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;}
  .hero-meta div strong{display:block;font-size:20px;color:#fff;}
  .hero-meta div span{font-size:13px;color:var(--muted);}

  .hero-visual{position:relative;display:flex;justify-content:center;}
  .phone-frame{
    width:270px;
    border-radius:32px;
    padding:10px;
    background:linear-gradient(160deg,#2a2d38,#15171d);
    border:1px solid rgba(255,255,255,.09);
    box-shadow:0 30px 70px rgba(0,0,0,.6);
  }
  .phone-frame img{
    width:100%;border-radius:24px;aspect-ratio:3/4;object-fit:cover;
  }
  .hero-float{
    position:absolute;right:-6px;bottom:34px;
    background:rgba(28,31,40,.94);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:12px 16px;font-size:13px;color:var(--muted);
    box-shadow:0 14px 40px rgba(0,0,0,.5);
    max-width:180px;
  }
  .hero-float strong{display:block;color:#fff;font-size:15px;margin-bottom:2px;}

  /* ---------- section shell ---------- */
  section{padding:72px 0;}
  .sec-head{margin-bottom:40px;max-width:640px;}
  .sec-kicker{
    font-size:13px;letter-spacing:2px;color:var(--brand);
    font-weight:600;margin-bottom:12px;text-transform:uppercase;
  }
  .sec-head h2{
    font-size:clamp(24px,3vw,34px);margin:0 0 14px;font-weight:800;line-height:1.3;
  }
  .sec-head p{color:var(--muted);margin:0;font-size:15px;}

  /* ---------- genre cards ---------- */
  .genre-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
  }
  .genre-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:26px 24px;
    transition:transform .2s ease,border-color .2s ease;
  }
  .genre-card:hover{transform:translateY(-4px);border-color:rgba(255,77,109,.4);}
  .genre-card h3{font-size:18px;margin:0 0 10px;font-weight:700;}
  .genre-card p{margin:0;color:var(--muted);font-size:14.5px;}
  .genre-icon{
    width:44px;height:44px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(255,77,109,.14);
    color:var(--brand);font-size:20px;font-weight:700;
    margin-bottom:18px;
  }

  /* ---------- poster wall ---------- */
  .poster-scroll{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .poster{
    position:relative;
    border-radius:var(--radius-md);
    overflow:hidden;
    background:var(--card);
    border:1px solid var(--line);
  }
  .poster img{
    width:100%;aspect-ratio:3/4;object-fit:cover;
    transition:transform .35s ease;
  }
  .poster:hover img{transform:scale(1.05);}
  .poster-cap{
    position:absolute;left:0;right:0;bottom:0;
    padding:30px 14px 12px;
    background:linear-gradient(to top,rgba(6,7,10,.92),rgba(6,7,10,0));
    font-size:14px;font-weight:600;
  }
  .poster-cap span{display:block;font-size:12px;color:var(--muted);font-weight:400;}

  /* ---------- feature split ---------- */
  .split{
    display:grid;grid-template-columns:1fr 1fr;
    gap:56px;align-items:center;
  }
  .split.rev .split-media{order:2;}
  .split-media img{
    width:100%;border-radius:var(--radius-lg);
    border:1px solid var(--line);
    box-shadow:0 22px 56px rgba(0,0,0,.5);
    aspect-ratio:4/3;object-fit:cover;
  }
  .split-body h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 16px;font-weight:800;line-height:1.35;}
  .split-body p{color:var(--muted);margin:0 0 14px;font-size:15px;}
  .checklist{list-style:none;padding:0;margin:22px 0 0;}
  .checklist li{
    position:relative;padding-left:28px;margin-bottom:12px;
    font-size:15px;color:#dfe2ea;
  }
  .checklist li::before{
    content:"";position:absolute;left:0;top:8px;
    width:16px;height:16px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
  }
  .checklist li::after{
    content:"";position:absolute;left:5px;top:11px;
    width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;
    transform:rotate(-45deg);
  }

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .step{
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:30px 24px;
  }
  .step-num{
    font-size:32px;font-weight:800;
    background:linear-gradient(120deg,var(--brand),var(--brand-2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
    line-height:1;margin-bottom:16px;
  }
  .step h3{font-size:17px;margin:0 0 10px;}
  .step p{margin:0;color:var(--muted);font-size:14.5px;}

  /* ---------- story band ---------- */
  .story{
    background:var(--bg-soft);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .story-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
  .story-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:30px;
  }
  .story-card h3{margin:0 0 12px;font-size:18px;font-weight:700;}
  .story-card p{margin:0;color:var(--muted);font-size:15px;}

  /* ---------- cta ---------- */
  .cta-band{
    text-align:center;
    background:
      radial-gradient(700px 320px at 50% 0%,rgba(255,77,109,.22),transparent 70%),
      var(--bg);
    border-top:1px solid var(--line);
  }
  .cta-band h2{font-size:clamp(24px,3vw,34px);margin:0 0 16px;font-weight:800;}
  .cta-band p{color:var(--muted);margin:0 auto 30px;max-width:560px;font-size:15px;}

  /* ---------- footer ---------- */
  .site-footer{
    border-top:1px solid var(--line);
    padding:48px 0 32px;
    background:#0a0b0e;
  }
  .footer-top{
    display:flex;justify-content:space-between;gap:40px;
    flex-wrap:wrap;padding-bottom:32px;
    border-bottom:1px solid var(--line);
  }
  .footer-brand{max-width:320px;}
  .footer-brand .brand{margin-bottom:14px;font-size:16px;}
  .footer-brand p{color:var(--muted);font-size:13.5px;margin:0;}
  .footer-links{display:flex;gap:64px;flex-wrap:wrap;}
  .footer-col h4{font-size:14px;margin:0 0 14px;color:#fff;font-weight:600;}
  .footer-col a{display:block;font-size:13.5px;color:var(--muted);margin-bottom:10px;}
  .footer-col a:hover{color:var(--text);}
  .footer-bottom{
    padding-top:24px;display:flex;justify-content:space-between;
    gap:16px;flex-wrap:wrap;align-items:center;
  }
  .footer-bottom p{margin:0;font-size:12.5px;color:#6d7382;}
  .footer-bottom time{font-size:12.5px;color:#5c6270;}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .hero{padding:56px 0 48px;}
    .hero-inner{grid-template-columns:1fr;gap:40px;}
    .hero-visual{order:-1;}
    .phone-frame{width:230px;}
    .hero-float{right:0;bottom:10px;}
    .genre-grid{grid-template-columns:repeat(2,1fr);}
    .poster-scroll{grid-template-columns:repeat(3,1fr);}
    .split{gap:36px;}
    .steps{grid-template-columns:1fr 1fr;}
    .nav{gap:20px;}
  }
  @media (max-width:768px){
    .header-inner{height:60px;}
    .menu-toggle{display:block;}
    .nav{
      position:absolute;top:60px;left:0;right:0;
      flex-direction:column;align-items:flex-start;gap:0;
      background:#12141a;border-bottom:1px solid var(--line);
      padding:8px 20px 16px;
      display:none;
    }
    .nav.open{display:flex;}
    .nav a{padding:11px 0;width:100%;font-size:15px;}
    .header-cta{padding:8px 16px;font-size:13px;}
    section{padding:52px 0;}
    .hero h1{font-size:29px;}
    .hero p{font-size:15px;}
    .hero-meta{gap:20px;}
    .genre-grid{grid-template-columns:1fr;}
    .poster-scroll{grid-template-columns:repeat(2,1fr);gap:14px;}
    .split{grid-template-columns:1fr;}
    .split.rev .split-media{order:0;}
    .steps{grid-template-columns:1fr;}
    .story-grid{grid-template-columns:1fr;}
    .footer-links{gap:40px;}
    .hero-float{position:static;margin-top:14px;max-width:none;text-align:center;}
    .hero-visual{flex-direction:column;align-items:center;}
  }