:root {
    --bg: #0d0b12;
    --bg-soft: #16131d;
    --card: #1e1a28;
    --line: #2f2940;
    --text: #f3eef8;
    --muted: #a99fbe;
    --gold: #f2c76e;
    --pink: #e56ba4;
    --purple: #7b5cff;
    --radius: 18px;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  .wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }

  /* ---------- Header ---------- */
  .site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(13, 11, 18, .82);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .header-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; height: 66px;
  }
  .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; }
  .site-nav { display: flex; gap: 20px; font-size: 14px; color: var(--muted); }
  .site-nav a:hover { color: var(--gold); }
  .header-cta {
    display: inline-flex; align-items: center; gap: 6px;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    color: #fff; font-size: 14px; font-weight: 600;
    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; font-size: 18px; padding: 4px 10px; cursor: pointer;
  }

  /* ---------- Hero ---------- */
  .hero {
    position: relative; overflow: hidden;
    background:
      radial-gradient(900px 420px at 15% -10%, rgba(123, 92, 255, .38), transparent 65%),
      radial-gradient(700px 380px at 90% 0%, rgba(229, 107, 164, .28), transparent 60%),
      linear-gradient(180deg, #14101e, #0d0b12);
    padding: 64px 0 72px;
  }
  .hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
  .hero-kicker {
    display: inline-block; font-size: 13px; letter-spacing: 2px;
    color: var(--gold); border: 1px solid rgba(242, 199, 110, .4);
    border-radius: 999px; padding: 4px 14px; margin-bottom: 20px;
  }
  .hero h1 { font-size: 46px; line-height: 1.25; letter-spacing: -1px; margin-bottom: 18px; }
  .hero h1 em { font-style: normal; background: linear-gradient(120deg, var(--gold), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
  .hero-lead { color: var(--muted); font-size: 17px; max-width: 520px; margin-bottom: 28px; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 15px; font-weight: 600; padding: 13px 24px;
    border-radius: 12px; transition: transform .2s ease, box-shadow .2s ease;
  }
  .btn:hover { transform: translateY(-2px); }
  .btn-primary {
    background: linear-gradient(135deg, #ff9a52, var(--pink));
    color: #fff; box-shadow: 0 10px 26px rgba(229, 107, 164, .3);
  }
  .btn-ghost {
    border: 1px solid var(--line); background: rgba(255, 255, 255, .04); color: var(--text);
  }
  .btn-gold {
    background: linear-gradient(135deg, #f7d795, var(--gold));
    color: #2a1c00; box-shadow: 0 10px 26px rgba(242, 199, 110, .22);
  }
  .hero-meta { display: flex; flex-wrap: wrap; gap: 22px; font-size: 13px; color: var(--muted); }
  .hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
  .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--pink); display: inline-block; }

  .hero-visual { position: relative; }
  .phone-frame {
    border: 1px solid var(--line); border-radius: 28px; padding: 10px;
    background: linear-gradient(160deg, rgba(123, 92, 255, .22), rgba(229, 107, 164, .12));
    box-shadow: 0 30px 70px rgba(0, 0, 0, .55);
  }
  .phone-frame img { border-radius: 20px; width: 100%; height: auto; }
  .float-card {
    position: absolute; left: -26px; bottom: 34px;
    background: rgba(30, 26, 40, .94); border: 1px solid var(--line);
    border-radius: 14px; padding: 12px 16px; font-size: 13px; color: var(--muted);
    box-shadow: 0 14px 34px rgba(0, 0, 0, .5); max-width: 210px;
  }
  .float-card strong { display: block; color: var(--gold); font-size: 15px; margin-bottom: 2px; }

  /* ---------- Section base ---------- */
  section { padding: 76px 0; }
  .sec-head { max-width: 680px; margin-bottom: 40px; }
  .sec-tag { font-size: 13px; letter-spacing: 2px; color: var(--pink); font-weight: 600; }
  .sec-head h2 { font-size: 32px; margin: 10px 0 12px; letter-spacing: -.5px; }
  .sec-head p { color: var(--muted); }

  /* ---------- AI section ---------- */
  .ai-band { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .ai-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 44px; align-items: center; }
  .ai-collage { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .ai-collage img { border-radius: 14px; border: 1px solid var(--line); width: 100%; }
  .ai-collage img:first-child { grid-row: span 2; height: 100%; object-fit: cover; }
  .ai-points { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 26px; }
  .ai-point {
    background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
  }
  .ai-point h3 { font-size: 16px; margin-bottom: 6px; color: var(--gold); }
  .ai-point p { font-size: 14px; color: var(--muted); }

  /* ---------- Hot drama grid ---------- */
  .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 .25s ease, border-color .25s ease;
  }
  .drama-card:hover { transform: translateY(-6px); border-color: rgba(242, 199, 110, .45); }
  .poster { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: #241f30; }
  .poster img { width: 100%; height: 100%; object-fit: cover; }
  .poster .date-chip {
    position: absolute; left: 10px; top: 10px;
    background: rgba(0, 0, 0, .68); color: var(--gold);
    font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid rgba(242, 199, 110, .35);
  }
  .drama-body { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
  .drama-body h3 { font-size: 16px; line-height: 1.4; }
  .drama-body p { font-size: 13px; color: var(--muted); }
  .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
  .tags span { font-size: 11px; color: var(--pink); border: 1px solid rgba(229, 107, 164, .4); border-radius: 6px; padding: 1px 7px; }

  /* ---------- Install steps ---------- */
  .install-band { background: linear-gradient(180deg, #14101e, #0d0b12); }
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .step {
    position: relative; background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 26px 22px;
  }
  .step-num {
    font-size: 34px; font-weight: 800; color: transparent;
    -webkit-text-stroke: 1px rgba(242, 199, 110, .7); line-height: 1; margin-bottom: 14px;
  }
  .step h3 { font-size: 17px; margin-bottom: 8px; }
  .step p { font-size: 14px; color: var(--muted); }
  .download-box {
    margin-top: 34px; border: 1px solid var(--line); border-radius: var(--radius);
    background: rgba(30, 26, 40, .7); padding: 26px;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px;
  }
  .download-box h3 { font-size: 19px; margin-bottom: 6px; }
  .download-box p { font-size: 14px; color: var(--muted); }
  .dl-actions { display: flex; flex-wrap: wrap; gap: 12px; }

  /* ---------- FAQ ---------- */
  .faq-band { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .faq-item {
    background: var(--card); border: 1px solid var(--line);
    border-radius: 14px; padding: 18px 20px;
  }
  .faq-item h3 { font-size: 15px; color: var(--gold); margin-bottom: 6px; display: flex; gap: 8px; }
  .faq-item h3::before { content: "Q"; font-weight: 800; color: var(--pink); }
  .faq-item p { font-size: 14px; color: var(--muted); }

  /* ---------- Reviews ---------- */
  .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .review {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 20px; display: flex; flex-direction: column; gap: 12px;
  }
  .review .who { display: flex; align-items: center; gap: 10px; font-size: 14px; }
  .avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: linear-gradient(135deg, var(--purple), var(--pink));
    display: grid; place-items: center; font-weight: 700; font-size: 14px; color: #fff;
  }
  .review p { font-size: 14px; color: var(--muted); }
  .stars { color: var(--gold); font-size: 13px; letter-spacing: 2px; }

  /* ---------- Privacy ---------- */
  .privacy-band { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .privacy-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: start; }
  .qa-list { display: flex; flex-direction: column; gap: 14px; }
  .qa-list .faq-item { padding: 16px 18px; }
  .privacy-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .privacy-visual img { border-radius: 14px; border: 1px solid var(--line); width: 100%; height: 100%; object-fit: cover; }

  /* ---------- Creator ---------- */
  .creator-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
  .creator-list { display: flex; flex-direction: column; gap: 12px; margin-top: 22px; }
  .creator-list li {
    list-style: none; background: var(--card); border: 1px solid var(--line);
    border-radius: 12px; padding: 13px 18px; font-size: 14px; color: var(--muted);
    display: flex; align-items: flex-start; gap: 10px;
  }
  .creator-list li b { color: var(--gold); font-weight: 700; white-space: nowrap; }
  .creator-art { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .creator-art img { border-radius: 14px; border: 1px solid var(--line); }

  /* ---------- Community ---------- */
  .community { background: linear-gradient(180deg, #14101e, #0d0b12); }
  .community-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .community-card {
    border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
    background: rgba(30, 26, 40, .65);
  }
  .community-card h3 { font-size: 17px; margin-bottom: 8px; color: var(--gold); }
  .community-card p { font-size: 14px; color: var(--muted); }
  .community-note {
    margin-top: 26px; border-left: 3px solid var(--pink); padding: 8px 0 8px 16px;
    color: var(--muted); font-size: 14px;
  }

  /* ---------- Final download ---------- */
  .final-band {
    background:
      radial-gradient(700px 320px at 50% 0%, rgba(123, 92, 255, .32), transparent 70%),
      var(--bg-soft);
    border-top: 1px solid var(--line);
    text-align: center;
  }
  .final-inner { max-width: 760px; margin: 0 auto; }
  .final-inner h2 { font-size: 32px; margin-bottom: 14px; }
  .final-inner > p { color: var(--muted); margin-bottom: 26px; }
  .final-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 30px; text-align: left; }
  .final-step { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; font-size: 14px; color: var(--muted); }
  .final-step b { display: block; color: var(--text); margin-bottom: 4px; }
  .final-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

  /* ---------- Footer ---------- */
  .site-footer { background: #0a0810; border-top: 1px solid var(--line); padding: 40px 0 30px; }
  .footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
  .footer-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; color: var(--muted); }
  .footer-links a:hover { color: var(--gold); }
  .footer-bottom {
    margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line);
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
    font-size: 12px; color: #7d7491;
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 1024px) {
    .hero h1 { font-size: 38px; }
    .drama-grid { grid-template-columns: repeat(3, 1fr); }
    .ai-layout, .privacy-grid, .creator-layout { grid-template-columns: 1fr; }
    .review-grid, .community-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 768px) {
    .site-nav { display: none; }
    .site-nav.open {
      display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0;
      background: #12101a; border-bottom: 1px solid var(--line); padding: 16px 20px; gap: 14px;
    }
    .nav-toggle { display: block; }
    .header-cta { display: none; }
    .hero { padding: 44px 0 54px; }
    .hero-grid { grid-template-columns: 1fr; gap: 34px; }
    .hero h1 { font-size: 30px; }
    .hero-lead { font-size: 15px; }
    .float-card { left: 8px; bottom: 12px; }
    section { padding: 54px 0; }
    .sec-head h2 { font-size: 25px; }
    .drama-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .steps, .final-steps, .ai-points { grid-template-columns: 1fr; }
    .faq-grid, .review-grid, .community-grid, .privacy-visual, .creator-art { grid-template-columns: 1fr; }
    .download-box { flex-direction: column; align-items: flex-start; }
    .hero-actions .btn, .final-actions .btn { flex: 1 1 100%; justify-content: center; }
  }