:root {
    --bg: #0b0c10;
    --bg-soft: #12141b;
    --card: #171a23;
    --line: #262a36;
    --text: #e8eaf0;
    --muted: #9aa3b2;
    --pink: #ff3d7f;
    --purple: #8a5cff;
    --cyan: #35d6e8;
    --gold: #f2c86a;
    --radius: 16px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  ul { list-style: none; }

  .wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

  /* ============ HEADER ============ */
  .site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(11,12,16,.82);
    backdrop-filter: blur(14px);
    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; font-weight: 800; font-size: 18px; letter-spacing: .5px; white-space: nowrap; }
  .brand img { height: 32px; width: auto; border-radius: 8px; }
  .nav {
    display: flex; gap: 4px; overflow-x: auto; flex: 1;
    scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a {
    font-size: 13.5px; color: var(--muted); padding: 6px 10px;
    border-radius: 999px; white-space: nowrap; transition: .25s;
  }
  .nav a:hover { color: #fff; background: #1d2130; }
  .header-cta {
    display: none;
    background: linear-gradient(120deg, var(--pink), var(--purple));
    color: #fff; font-size: 13px; font-weight: 700;
    padding: 8px 16px; border-radius: 999px; white-space: nowrap;
  }

  /* ============ HERO ============ */
  .hero {
    position: relative; overflow: hidden;
    padding: 56px 0 64px;
    background:
      radial-gradient(900px 420px at 12% -10%, rgba(138,92,255,.30), transparent 65%),
      radial-gradient(760px 420px at 88% 0%, rgba(255,61,127,.26), transparent 62%),
      linear-gradient(180deg, #0d0f16 0%, #0b0c10 100%);
    border-bottom: 1px solid var(--line);
  }
  .hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 100% 44px; opacity: .5;
  }
  .hero-grid { position: relative; z-index: 2; display: grid; gap: 38px; }
  .hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12.5px; letter-spacing: 1px; color: var(--cyan);
    border: 1px solid rgba(53,214,232,.35); background: rgba(53,214,232,.08);
    padding: 5px 14px; border-radius: 999px; margin-bottom: 20px;
  }
  .hero h1 {
    font-size: clamp(30px, 6vw, 54px);
    line-height: 1.16; font-weight: 900; letter-spacing: 1px;
  }
  .hero h1 em {
    font-style: normal;
    background: linear-gradient(100deg, var(--pink), #ff9a5c 55%, var(--gold));
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .hero-sub {
    margin-top: 18px; color: var(--muted); font-size: 15.5px; max-width: 560px;
  }
  .hero-points {
    display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px;
  }
  .hero-points span {
    font-size: 13px; color: #cfd5e2; background: #1a1e29;
    border: 1px solid var(--line); padding: 6px 12px; border-radius: 10px;
  }
  .hero-points span b { color: var(--pink); font-weight: 800; margin-right: 4px; }

  /* download buttons */
  .dl-block { margin-top: 30px; }
  .dl-title { font-size: 13px; color: var(--muted); margin-bottom: 12px; letter-spacing: .5px; }
  .dl-list { display: flex; flex-wrap: wrap; gap: 12px; }
  .dl-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 13px 22px; border-radius: 14px;
    font-size: 14.5px; font-weight: 700; color: #fff;
    border: 1px solid rgba(255,255,255,.14);
    transition: transform .22s, box-shadow .22s, filter .22s;
  }
  .dl-btn:hover { transform: translateY(-3px); filter: brightness(1.08); }
  .dl-btn .ico { font-size: 17px; line-height: 1; }
  .dl-btn.android { background: linear-gradient(120deg, #2ecc8f, #12a06a); box-shadow: 0 10px 26px rgba(18,160,106,.26); }
  .dl-btn.ios { background: linear-gradient(120deg, #f0f2f7, #c9cee0); color: #14161d; box-shadow: 0 10px 26px rgba(200,206,224,.18); }
  .dl-btn.pc { background: linear-gradient(120deg, #5b7cff, #8a5cff); box-shadow: 0 10px 26px rgba(91,124,255,.24); }
  .dl-btn.other { background: linear-gradient(120deg, #ff3d7f, #ff8a4c); box-shadow: 0 10px 26px rgba(255,61,127,.24); }

  .hero-mosaic {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 96px;
    gap: 10px;
  }
  .hero-mosaic figure {
    overflow: hidden; border-radius: 14px; border: 1px solid var(--line);
    background: #1a1d26;
  }
  .hero-mosaic figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
  .hero-mosaic figure:hover img { transform: scale(1.06); }
  .hero-mosaic figure:nth-child(1) { grid-row: span 2; grid-column: span 2; }
  .hero-mosaic figure:nth-child(2) { grid-row: span 2; }

  /* ============ SECTION SHELL ============ */
  section { padding: 72px 0; }
  .sec-head { margin-bottom: 34px; }
  .sec-kicker {
    display: inline-block; font-size: 12px; letter-spacing: 2px;
    color: var(--cyan); margin-bottom: 10px; font-weight: 700;
  }
  .sec-head h2 {
    font-size: clamp(23px, 3.6vw, 34px); font-weight: 900; letter-spacing: .5px; line-height: 1.25;
  }
  .sec-head p { color: var(--muted); margin-top: 12px; font-size: 15px; max-width: 640px; }

  /* ============ AI 短剧 ============ */
  .ai-section { background: linear-gradient(180deg, #0b0c10, #101018); }
  .ai-layout { display: grid; gap: 26px; }
  .ai-feature {
    position: relative; border-radius: 22px; overflow: hidden;
    border: 1px solid var(--line); min-height: 300px;
  }
  .ai-feature img { width: 100%; height: 100%; object-fit: cover; min-height: 300px; }
  .ai-feature-mask {
    position: absolute; inset: auto 0 0 0; padding: 26px 24px;
    background: linear-gradient(0deg, rgba(8,9,13,.96) 12%, rgba(8,9,13,.65) 60%, transparent);
  }
  .ai-feature-mask h3 { font-size: 21px; font-weight: 800; margin-bottom: 8px; }
  .ai-feature-mask p { color: #c3cad8; font-size: 14px; max-width: 520px; }
  .ai-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
  .ai-tags span {
    font-size: 12px; padding: 3px 10px; border-radius: 999px;
    background: rgba(138,92,255,.18); color: #c9b9ff; border: 1px solid rgba(138,92,255,.34);
  }
  .ai-side { display: grid; gap: 16px; }
  .ai-note {
    background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 20px;
  }
  .ai-note h3 { font-size: 16px; margin-bottom: 8px; color: var(--gold); }
  .ai-note p { font-size: 13.8px; color: var(--muted); }
  .ai-mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .ai-mini-grid figure { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
  .ai-mini-grid img { width: 100%; height: 118px; object-fit: cover; }

  /* ============ 热播 ============ */
  .hot-section { background: #0e1017; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
  .filter-row span {
    font-size: 13px; padding: 6px 14px; border-radius: 999px;
    background: #1a1e29; color: var(--muted); border: 1px solid var(--line);
  }
  .filter-row span.on { background: linear-gradient(120deg, var(--pink), var(--purple)); color: #fff; border-color: transparent; }
  .drama-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .drama-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; transition: transform .25s, border-color .25s;
  }
  .drama-card:hover { transform: translateY(-4px); border-color: rgba(255,61,127,.5); }
  .drama-thumb { position: relative; }
  .drama-thumb img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
  .drama-badge {
    position: absolute; top: 10px; left: 10px;
    font-size: 11px; padding: 3px 9px; border-radius: 999px;
    background: rgba(11,12,16,.78); color: var(--gold);
    border: 1px solid rgba(242,200,106,.4); backdrop-filter: blur(4px);
  }
  .drama-body { padding: 14px 14px 16px; }
  .drama-body h3 { font-size: 15.5px; font-weight: 800; margin-bottom: 6px; }
  .drama-body p { font-size: 13px; color: var(--muted); min-height: 40px; }
  .drama-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
  .drama-meta .chip {
    font-size: 11.5px; padding: 2px 8px; border-radius: 6px;
    background: rgba(53,214,232,.12); color: #86e6f0; border: 1px solid rgba(53,214,232,.26);
  }
  .drama-meta time { font-size: 11.5px; color: #7f8798; }

  /* ============ 安装步骤 ============ */
  .steps-section {
    background:
      radial-gradient(700px 340px at 88% 0%, rgba(53,214,232,.14), transparent 60%),
      #0b0c10;
  }
  .step-track { display: grid; gap: 16px; counter-reset: st; }
  .step-item {
    position: relative; display: grid; grid-template-columns: 46px 1fr;
    gap: 16px; background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 20px 20px 20px 16px;
  }
  .step-item::before {
    counter-increment: st; content: counter(st, decimal-leading-zero);
    width: 46px; height: 46px; border-radius: 13px;
    display: grid; place-items: center;
    font-weight: 900; font-size: 15px; color: #fff;
    background: linear-gradient(135deg, var(--purple), var(--pink));
  }
  .step-item h3 { font-size: 16px; margin-bottom: 6px; }
  .step-item p { font-size: 13.6px; color: var(--muted); }

  .platform-cards { display: grid; gap: 14px; margin-top: 26px; }
  .platform-card {
    border-radius: var(--radius); padding: 22px;
    border: 1px solid var(--line); background: #131622;
  }
  .platform-card h3 { font-size: 16px; margin-bottom: 8px; }
  .platform-card h3 span { color: var(--cyan); margin-right: 6px; }
  .platform-card p { font-size: 13.6px; color: var(--muted); margin-bottom: 14px; }
  .platform-card .dl-btn { padding: 10px 18px; font-size: 13.5px; }

  /* ============ FAQ ============ */
  .faq-section { background: #0e1017; border-top: 1px solid var(--line); }
  .faq-list { display: grid; gap: 12px; }
  .faq-item {
    background: #151822; border: 1px solid var(--line);
    border-radius: 14px; padding: 18px 20px;
    border-left: 3px solid var(--pink);
  }
  .faq-item h3 { font-size: 15px; margin-bottom: 8px; color: #fff; }
  .faq-item h3::before { content: "Q "; color: var(--pink); font-weight: 900; }
  .faq-item p { font-size: 13.6px; color: var(--muted); }
  .faq-item p::before { content: "A "; color: var(--cyan); font-weight: 900; }

  /* ============ 热评 ============ */
  .review-section { background: #0b0c10; }
  .review-wall { columns: 1; column-gap: 14px; }
  .review-card {
    break-inside: avoid; margin-bottom: 14px;
    background: var(--card); border: 1px solid var(--line);
    border-radius: 14px; padding: 18px;
  }
  .review-card .who { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
  .review-card .avatar {
    width: 34px; height: 34px; border-radius: 50%;
    display: grid; place-items: center; font-size: 13px; font-weight: 800; color: #fff;
    background: linear-gradient(135deg, var(--purple), var(--cyan));
  }
  .review-card .who b { font-size: 13.6px; }
  .review-card .who i { font-style: normal; font-size: 11.5px; color: #7f8798; display: block; }
  .review-card p { font-size: 13.6px; color: #c4cada; }
  .review-card .stars { color: var(--gold); font-size: 12px; margin-top: 10px; letter-spacing: 2px; }

  /* ============ 隐私 ============ */
  .privacy-section {
    background: linear-gradient(180deg, #101018, #0b0c10);
    border-top: 1px solid var(--line);
  }
  .privacy-grid { display: grid; gap: 14px; }
  .privacy-item {
    background: rgba(23,26,35,.9); border: 1px solid var(--line);
    border-radius: 14px; padding: 20px;
  }
  .privacy-item h3 { font-size: 15px; margin-bottom: 8px; color: var(--cyan); }
  .privacy-item p { font-size: 13.6px; color: var(--muted); }

  /* ============ 创作者 ============ */
  .creator-section {
    background:
      radial-gradient(680px 320px at 10% 100%, rgba(255,61,127,.16), transparent 62%),
      #0e1017;
    border-top: 1px solid var(--line);
  }
  .creator-layout { display: grid; gap: 24px; }
  .creator-list { display: grid; gap: 12px; }
  .creator-list li {
    display: flex; gap: 12px; align-items: flex-start;
    background: #151822; border: 1px solid var(--line);
    border-radius: 12px; padding: 15px 16px;
  }
  .creator-list li b {
    flex: none; width: 26px; height: 26px; border-radius: 8px;
    display: grid; place-items: center; font-size: 12px; color: #fff;
    background: linear-gradient(135deg, var(--pink), var(--gold));
  }
  .creator-list li span { font-size: 13.6px; color: #c4cada; }
  .creator-list li span strong { color: #fff; display: block; margin-bottom: 2px; font-size: 14px; }
  .creator-visual { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); }
  .creator-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; }

  /* ============ 社区 ============ */
  .community-section { background: #0b0c10; }
  .community-grid { display: grid; gap: 14px; }
  .community-card {
    background: var(--card); border: 1px solid var(--line);
    border-radius: 14px; padding: 20px;
  }
  .community-card h3 { font-size: 15px; margin-bottom: 8px; color: #fff; }
  .community-card h3 em {
    font-style: normal; font-size: 11px; font-weight: 700;
    color: var(--gold); border: 1px solid rgba(242,200,106,.4);
    padding: 1px 7px; border-radius: 999px; margin-left: 8px;
  }
  .community-card p { font-size: 13.6px; color: var(--muted); }
  .topic-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
  .topic-row span { font-size: 12px; color: #9fb0c9; background: #1b2030; border-radius: 6px; padding: 3px 9px; }

  /* ============ 底部下载 ============ */
  .final-section {
    background:
      radial-gradient(900px 400px at 50% 0%, rgba(138,92,255,.26), transparent 65%),
      radial-gradient(700px 360px at 90% 100%, rgba(255,61,127,.2), transparent 62%),
      #0a0b10;
    border-top: 1px solid var(--line);
    text-align: center;
  }
  .final-section h2 { font-size: clamp(24px, 4vw, 36px); font-weight: 900; }
  .final-section > .wrap > p { color: var(--muted); margin-top: 14px; font-size: 15px; }
  .final-steps { display: grid; gap: 12px; margin: 30px 0; text-align: left; }
  .final-steps div {
    background: rgba(23,26,35,.8); border: 1px solid var(--line);
    border-radius: 12px; padding: 16px 18px;
  }
  .final-steps h3 { font-size: 14.5px; margin-bottom: 5px; color: var(--gold); }
  .final-steps p { font-size: 13.4px; color: var(--muted); }
  .final-dl { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

  /* ============ FOOTER ============ */
  .site-footer {
    background: #07080c; border-top: 1px solid var(--line);
    padding: 34px 0 26px;
  }
  .footer-inner {
    display: grid; gap: 18px;
    font-size: 13px; color: #7b839a;
  }
  .footer-brand { display: flex; align-items: center; gap: 10px; color: #dfe3ed; font-weight: 800; }
  .footer-brand img { height: 26px; border-radius: 6px; }
  .footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
  .footer-links a:hover { color: var(--pink); }
  .footer-update { font-size: 12px; color: #626a7d; }

  /* ============ RESPONSIVE 768 ============ */
  @media (min-width: 768px) {
    .header-cta { display: inline-block; }
    .hero { padding: 76px 0 86px; }
    .hero-grid { grid-template-columns: 1.05fr .95fr; align-items: center; }
    .drama-grid { grid-template-columns: repeat(3, 1fr); }
    .step-track { grid-template-columns: repeat(2, 1fr); }
    .platform-cards { grid-template-columns: repeat(3, 1fr); }
    .faq-list { grid-template-columns: repeat(2, 1fr); }
    .review-wall { columns: 2; }
    .privacy-grid { grid-template-columns: repeat(2, 1fr); }
    .creator-layout { grid-template-columns: 1fr .82fr; align-items: start; }
    .community-grid { grid-template-columns: repeat(2, 1fr); }
    .final-steps { grid-template-columns: repeat(3, 1fr); }
    .ai-layout { grid-template-columns: 1.15fr .85fr; }
    .footer-inner { grid-template-columns: 1fr auto; align-items: center; }
    .footer-update { grid-column: 1 / -1; }
  }

  /* ============ RESPONSIVE 1024 ============ */
  @media (min-width: 1024px) {
    .wrap { padding: 0 32px; }
    .hero-mosaic { grid-auto-rows: 112px; gap: 12px; }
    .drama-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .step-track { grid-template-columns: repeat(3, 1fr); }
    .review-wall { columns: 3; }
    .privacy-grid { grid-template-columns: repeat(3, 1fr); }
    .community-grid { grid-template-columns: repeat(4, 1fr); }
    .ai-mini-grid img { height: 132px; }
    section { padding: 88px 0; }
  }