:root {
    --bg: #060b13;
    --bg-soft: #0c1421;
    --card: #111b2a;
    --line: rgba(120, 200, 255, 0.14);
    --text: #e8f2ff;
    --muted: #8fa6bf;
    --accent: #35e0b0;
    --accent-2: #3b9dff;
    --warn: #ffb545;
    --radius: 16px;
  }
  * { 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, -apple-system, sans-serif;
    line-height: 1.65;
    overflow-x: hidden;
  }
  img { display: block; max-width: 100%; border: 0; }
  a { color: inherit; text-decoration: none; }
  ul { list-style: none; }

  /* ============ 顶部导航 ============ */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(6, 11, 19, 0.86);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .nav-wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
  }
  .brand img { height: 34px; width: auto; border-radius: 8px; }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 15px;
    color: var(--muted);
  }
  .nav-links a { transition: color 0.2s ease; }
  .nav-links a:hover { color: var(--accent); }

  /* ============ Hero ============ */
  .hero {
    position: relative;
    padding: 78px 20px 92px;
    text-align: center;
    overflow: hidden;
    background:
      radial-gradient(circle at 20% 10%, rgba(59, 157, 255, 0.22), transparent 55%),
      radial-gradient(circle at 82% 78%, rgba(53, 224, 176, 0.16), transparent 52%),
      var(--bg);
  }
  .hero-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
      radial-gradient(2px 2px at 14% 24%, rgba(140, 225, 255, 0.85), transparent),
      radial-gradient(2px 2px at 72% 16%, rgba(140, 225, 255, 0.6), transparent),
      radial-gradient(2px 2px at 46% 62%, rgba(110, 235, 200, 0.55), transparent),
      radial-gradient(2px 2px at 88% 48%, rgba(140, 225, 255, 0.5), transparent),
      radial-gradient(2px 2px at 30% 86%, rgba(140, 225, 255, 0.45), transparent);
    animation: drift 9s ease-in-out infinite alternate;
  }
  @keyframes drift {
    from { transform: translateY(0) scale(1); opacity: 0.75; }
    to { transform: translateY(-14px) scale(1.03); opacity: 1; }
  }
  .hero-inner { position: relative; max-width: 900px; margin: 0 auto; }
  .hero-tag {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 13px;
    color: var(--accent);
    background: rgba(53, 224, 176, 0.07);
    margin-bottom: 22px;
    letter-spacing: 1px;
  }
  .hero h1 {
    font-size: clamp(28px, 5.2vw, 54px);
    line-height: 1.28;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(100deg, #ffffff 20%, #7fe6ff 60%, #35e0b0 96%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero-sub {
    margin: 20px auto 0;
    max-width: 660px;
    color: var(--muted);
    font-size: clamp(14px, 1.8vw, 17px);
  }
  .hero-actions {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 14px 30px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease;
  }
  .btn-ios {
    color: #04120c;
    background: linear-gradient(120deg, #35e0b0, #5df0c4 60%, #c9fff0);
    box-shadow: 0 10px 28px rgba(53, 224, 176, 0.32);
  }
  .btn-android {
    color: #041423;
    background: linear-gradient(120deg, #3b9dff, #7ec4ff);
    box-shadow: 0 10px 28px rgba(59, 157, 255, 0.32);
  }
  .btn-ghost {
    color: var(--text);
    border: 1px solid rgba(140, 200, 255, 0.35);
    background: rgba(255, 255, 255, 0.04);
  }
  .btn:hover { transform: translateY(-3px); }
  .btn-ios:hover { box-shadow: 0 14px 34px rgba(53, 224, 176, 0.45); }
  .btn-android:hover { box-shadow: 0 14px 34px rgba(59, 157, 255, 0.45); }

  /* ============ 通用区块 ============ */
  .section { padding: 74px 20px; }
  .section-inner { max-width: 1180px; margin: 0 auto; }
  .section-head { margin-bottom: 38px; }
  .section-head .eyebrow {
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--accent);
    text-transform: uppercase;
  }
  .section-head h2 {
    margin-top: 10px;
    font-size: clamp(22px, 3.4vw, 34px);
    letter-spacing: 1px;
  }
  .section-head p {
    margin-top: 12px;
    color: var(--muted);
    max-width: 640px;
    font-size: 15px;
  }
  .alt-bg { background: linear-gradient(180deg, #070d16, #0a1320); }

  /* ============ 卖点卡片 ============ */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
  .feature-card {
    background: linear-gradient(160deg, #121d2d, #0b1421);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 22px;
    transition: transform 0.25s ease, border-color 0.25s ease;
  }
  .feature-card:hover { transform: translateY(-6px); border-color: rgba(53, 224, 176, 0.45); }
  .feature-index {
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 2px;
    font-weight: 700;
  }
  .feature-card h3 { margin: 12px 0 10px; font-size: 18px; }
  .feature-card p { color: var(--muted); font-size: 14px; }

  /* ============ 轮播 ============ */
  .banner { position: relative; overflow: hidden; border-radius: 20px; border: 1px solid var(--line); background: #080f1a; }
  .banner-track { display: flex; transition: transform 0.55s cubic-bezier(0.4, 0.1, 0.2, 1); }
  .banner-slide { position: relative; flex: 0 0 100%; aspect-ratio: 16 / 9; }
  .banner-slide img { width: 100%; height: 100%; object-fit: cover; }
  .banner-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(4, 9, 16, 0.94) 0%, rgba(4, 9, 16, 0.6) 42%, rgba(4, 9, 16, 0.08) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(18px, 4vw, 46px);
  }
  .banner-mask h3 { font-size: clamp(20px, 3.2vw, 32px); letter-spacing: 1px; }
  .banner-mask p { margin: 10px 0 20px; color: #cfe2f5; max-width: 420px; font-size: 14px; }
  .banner-nav { position: absolute; bottom: 20px; right: 20px; display: flex; gap: 10px; }
  .banner-nav button {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid rgba(160, 215, 255, 0.4);
    background: rgba(8, 18, 30, 0.7);
    color: var(--text); font-size: 17px; cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
  }
  .banner-nav button:hover { background: rgba(53, 224, 176, 0.25); border-color: var(--accent); }
  .banner-dots { position: absolute; bottom: 26px; left: clamp(18px, 4vw, 46px); display: flex; gap: 8px; }
  .banner-dots span { width: 22px; height: 4px; border-radius: 4px; background: rgba(230, 245, 255, 0.3); transition: background 0.25s ease, width 0.25s ease; }
  .banner-dots span.on { background: var(--accent); width: 34px; }

  /* ============ 热门剧集 ============ */
  .poster-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .poster-card {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    background: var(--card);
    border: 1px solid var(--line);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .poster-card:hover { transform: translateY(-7px); box-shadow: 0 18px 34px rgba(0, 0, 0, 0.55); }
  .poster-card .cover { position: relative; aspect-ratio: 3 / 4; overflow: hidden; }
  .poster-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
  .poster-card:hover .cover img { transform: scale(1.06); }
  .badge {
    position: absolute; top: 10px; left: 10px;
    padding: 3px 10px; border-radius: 999px;
    font-size: 12px; font-weight: 700;
    background: linear-gradient(100deg, #ff8a3d, #ffb545);
    color: #221000;
  }
  .badge.blue { background: linear-gradient(100deg, #3b9dff, #7ec4ff); color: #041423; }
  .poster-info { padding: 14px 15px 16px; }
  .poster-info h3 { font-size: 16px; }
  .poster-info p { margin-top: 6px; color: var(--muted); font-size: 13px; }
  .poster-info .go {
    margin-top: 12px; display: inline-block;
    font-size: 13px; font-weight: 700; color: var(--accent);
  }

  /* ============ 分类剧场 ============ */
  .cat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
  .cat-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    border: 1px solid var(--line);
  }
  .cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
  .cat-card:hover img { transform: scale(1.07); }
  .cat-card .cat-mask {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 18px;
    background: linear-gradient(180deg, rgba(4, 9, 16, 0.05) 30%, rgba(4, 9, 16, 0.9) 100%);
  }
  .cat-card .cat-mask h3 { font-size: 17px; }
  .cat-card .cat-mask span { font-size: 13px; color: var(--muted); margin-top: 4px; }

  /* ============ 剧集预览 ============ */
  .preview-block {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 26px;
    align-items: start;
  }
  .preview-shots { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .preview-shots img {
    width: 100%; border-radius: 12px;
    border: 1px solid var(--line);
    object-fit: cover;
  }
  .preview-shots img.tall { grid-row: span 2; height: 100%; }
  .preview-text {
    background: linear-gradient(160deg, #121d2d, #0b1421);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
  }
  .preview-text h3 { font-size: 21px; margin-bottom: 12px; }
  .preview-text p { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
  .progress-line { margin-top: 18px; font-size: 13px; color: var(--accent); }

  /* ============ 角色展示 ============ */
  .role-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
  .role-card {
    border-radius: 14px; overflow: hidden; position: relative;
    border: 1px solid var(--line); background: var(--card);
  }
  .role-card img { aspect-ratio: 3 / 4; width: 100%; object-fit: cover; }
  .role-card .role-info { padding: 12px 13px 15px; }
  .role-card .role-info strong { font-size: 15px; display: block; }
  .role-card .role-info span { font-size: 12px; color: var(--muted); }

  /* ============ 排行榜 ============ */
  .rank-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .rank-item {
    display: flex; align-items: center; gap: 14px;
    padding: 12px; border-radius: 14px;
    background: var(--card); border: 1px solid var(--line);
    transition: transform 0.2s ease, border-color 0.2s ease;
  }
  .rank-item:hover { transform: translateX(5px); border-color: rgba(53, 224, 176, 0.4); }
  .rank-item.top { border-color: rgba(255, 181, 69, 0.55); background: linear-gradient(120deg, rgba(255, 181, 69, 0.12), #111b2a 70%); }
  .rank-no {
    width: 36px; text-align: center; font-size: 20px; font-weight: 800; color: var(--muted);
    flex-shrink: 0;
  }
  .rank-item.top .rank-no { color: var(--warn); }
  .rank-item img { width: 54px; height: 72px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
  .rank-meta { min-width: 0; }
  .rank-meta strong { display: block; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .rank-meta span { font-size: 12px; color: var(--muted); }
  .rank-heat {
    margin-left: auto; flex-shrink: 0;
    font-size: 13px; font-weight: 700; color: var(--accent-2);
  }

  /* ============ 更新日历 ============ */
  .cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; }
  .cal-day {
    background: var(--card); border: 1px solid var(--line);
    border-radius: 14px; padding: 14px 10px; text-align: center;
  }
  .cal-day .day-name { font-size: 13px; color: var(--accent); letter-spacing: 1px; }
  .cal-day img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 8px; margin: 10px 0 8px; }
  .cal-day .show-name { font-size: 12px; color: var(--text); display: block; min-height: 34px; }
  .cal-day .show-time { font-size: 11px; color: var(--muted); }

  /* ============ 口碑评论 ============ */
  .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .review-card {
    background: linear-gradient(160deg, #121d2d, #0b1421);
    border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  }
  .review-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
  .review-head img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); }
  .review-head strong { font-size: 15px; display: block; }
  .review-head .stars { font-size: 12px; color: var(--warn); letter-spacing: 1px; }
  .review-card p { font-size: 14px; color: var(--muted); }
  .review-card p.q { color: var(--text); margin-bottom: 8px; }

  /* ============ 多端体验 ============ */
  .device-block { display: grid; grid-template-columns: 1.2fr 1fr; gap: 26px; align-items: center; }
  .device-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .device-shots img { border-radius: 12px; border: 1px solid var(--line); object-fit: cover; width: 100%; }
  .device-shots img.wide { grid-column: span 2; aspect-ratio: 16 / 9; }

  /* ============ 下载中心 ============ */
  .download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .download-card {
    background: linear-gradient(160deg, #121d2d, #0b1421);
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px 22px; display: flex; flex-direction: column;
  }
  .download-card h3 { font-size: 19px; margin-bottom: 8px; }
  .download-card p { font-size: 14px; color: var(--muted); margin-bottom: 20px; flex-grow: 1; }
  .download-card .btn { width: 100%; padding: 12px 18px; font-size: 15px; }

  /* ============ 品牌故事 ============ */
  .brand-story {
    display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center;
    background: linear-gradient(120deg, #0d1a28, #0a1220);
    border: 1px solid var(--line); border-radius: 22px; padding: 34px;
  }
  .brand-story img { border-radius: 16px; width: 100%; object-fit: cover; }
  .brand-story h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 16px; }
  .brand-story p { color: var(--muted); font-size: 15px; margin-bottom: 12px; }
  .brand-slogan { color: var(--accent); font-weight: 700; font-size: 16px; }

  /* ============ FAQ ============ */
  .faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
  .faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
  .faq-item summary {
    cursor: pointer; padding: 18px 20px; font-size: 15px; font-weight: 600;
    list-style: none; display: flex; justify-content: space-between; gap: 12px;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: "+"; color: var(--accent); font-size: 20px; line-height: 1; }
  .faq-item[open] summary::after { content: "−"; }
  .faq-item .faq-body { padding: 0 20px 20px; color: var(--muted); font-size: 14px; }

  /* ============ 页脚 ============ */
  .site-footer {
    border-top: 1px solid var(--line);
    padding: 44px 20px 30px;
    background: #050a11;
    font-size: 13px;
    color: #6f8299;
  }
  .footer-inner { max-width: 1180px; margin: 0 auto; }
  .footer-top { display: flex; flex-wrap: wrap; gap: 26px; justify-content: space-between; align-items: flex-start; }
  .footer-brand { display: flex; align-items: center; gap: 10px; color: #b7c9dd; font-weight: 700; font-size: 15px; }
  .footer-brand img { height: 30px; border-radius: 6px; }
  .footer-nav { display: flex; flex-wrap: wrap; gap: 18px; }
  .footer-nav a:hover { color: var(--accent); }
  .footer-links { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px 18px; }
  .footer-links a { color: #6f8299; }
  .footer-links a:hover { color: var(--accent); }
  .footer-legal { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(120, 200, 255, 0.09); line-height: 1.9; }
  .footer-legal a { color: #7f95ad; }
  .footer-legal a:hover { color: var(--accent); }
  .footer-legal time { font-variant-numeric: tabular-nums; }

  /* ============ 响应式 ============ */
  @media (max-width: 1024px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .poster-grid { grid-template-columns: repeat(3, 1fr); }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .role-grid { grid-template-columns: repeat(3, 1fr); }
    .cal-grid { grid-template-columns: repeat(4, 1fr); }
    .preview-block, .device-block, .brand-story { grid-template-columns: 1fr; }
    .nav-links { gap: 16px; font-size: 14px; }
  }
  @media (max-width: 768px) {
    .nav-links { display: none; }
    .section { padding: 54px 16px; }
    .hero { padding: 54px 16px 66px; }
    .poster-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .role-grid { grid-template-columns: repeat(2, 1fr); }
    .rank-list { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; }
    .cal-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-actions .btn { flex: 1 1 100%; max-width: 340px; }
    .brand-story { padding: 22px; }
    .banner-mask { padding: 16px; }
    .banner-mask p { margin: 8px 0 16px; font-size: 13px; }
  }