:root {
      --bg: #14110d;
      --panel: #1f1a14;
      --line: #3a3126;
      --text: #e8dfd0;
      --muted: #a89c88;
      --accent: #ffd633;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
      line-height: 1.8;
    }
    main, header, footer, .site-nav { max-width: 720px; margin: 0 auto; padding: 0 16px; }
    .hero {
      min-height: 100vh;
      min-height: 100svh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      position: relative;
    }
    html { scroll-behavior: smooth; }
    .scroll-hint {
      position: fixed;
      left: 0;
      right: 0;
      bottom: calc(24px + env(safe-area-inset-bottom));
      display: flex;
      justify-content: center;
      color: #ffffff;
      font-size: 14px;
      text-decoration: none;
      transition: opacity 0.3s ease;
    }
    .scroll-hint.is-hidden { opacity: 0; pointer-events: none; }
    .scroll-hint-pulse { display: inline-flex; align-items: center; gap: 8px; padding: 0.5rem 1.25rem; background: rgba(31, 26, 20, 0.85); border-radius: 999px; animation: hint-fade 3s ease-in-out infinite; }
    @keyframes hint-fade { 0%, 100% { opacity: 0; } 25%, 75% { opacity: 1; } }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .scroll-hint-pulse { animation: none; }
    }
    .brand { font-size: clamp(56px, 18vw, 120px); font-weight: 700; line-height: 1.1; margin: 0 0 16px; letter-spacing: 0.02em; }
    h2 { font-size: 20px; margin: 40px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
    h3 { font-size: 16px; margin: 20px 0 4px; color: var(--accent); }
    p { margin: 0 0 12px; }
    .lead { width: 75%; color: var(--muted); }
    .note { color: var(--muted); font-size: 14px; }
    .cta-row { text-align: center; }
    .card-art { display: block; width: auto; height: auto; max-width: 100%; max-height: 200px; margin: 0 auto 12px; }
    .play-card {
      display: block;
      width: min(100%, 260px);
      margin: 0 auto 12px;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
      text-decoration: none;
    }
    .play-card img { display: block; width: 100%; height: auto; }
    .play-card-cta {
      display: block;
      padding: 12px 24px;
      background: var(--accent);
      color: #1a1200;
      font-weight: 700;
      text-align: center;
    }
    a { color: var(--accent); }
    .cta {
      display: inline-block;
      margin: 8px 0 4px;
      padding: 12px 24px;
      background: var(--accent);
      color: #1a1200;
      font-weight: 700;
      text-decoration: none;
      border-radius: 8px;
    }
    .game {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 20px 16px;
    }
    .game h2 { margin-top: 0; border: 0; padding: 0; text-align: center; }
    ul.links { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
    ul.links a {
      display: block;
      padding: 10px 12px;
      background: var(--bg);
      border: 1px solid var(--line);
      border-radius: 8px;
      text-decoration: none;
    }
    footer { padding-top: 32px; padding-bottom: 48px; color: var(--muted); font-size: 14px; }
    .site-nav { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; padding-top: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
    .site-nav .brand-link { font-size: 20px; font-weight: 700; color: var(--text); text-decoration: none; margin-right: auto; }
    .site-nav a { font-size: 15px; }
    .page h1 { font-size: 28px; margin: 32px 0 12px; }
    .page h2 { margin-top: 32px; }
    .page ul { padding-left: 20px; margin: 0 0 12px; }
    .page .back-link { margin-top: 32px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 4px 16px; }

    .back-to-top {
      position: fixed;
      left: 50%;
      bottom: calc(24px + env(safe-area-inset-bottom));
      transform: translateX(-50%);
      padding: 0.5rem 1.25rem;
      background: rgba(31, 26, 20, 0.85);
      color: #ffffff;
      border: 0;
      border-radius: 999px;
      font: inherit;
      font-size: 14px;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    .back-to-top.is-visible { opacity: 1; visibility: visible; }