/* roulang page: index */
:root {
      --brand-primary: #10B981;
      --brand-hover: #059669;
      --bg-dark: #0B0F19;
      --card-bg: #131B2E;
      --border-color: #1E293B;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      letter-spacing: 0.02em;
    }
    .score-font {
      font-family: ui-monospace, SFMono-Regular, "DIN Alternate", "Helvetica Neue", sans-serif;
      font-variant-numeric: tabular-nums;
    }
    .glass-nav {
      background: rgba(11, 15, 25, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }
    .glow-card {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid #1E293B;
    }
    .glow-card:hover {
      transform: translateY(-4px);
      border-color: rgba(16, 185, 129, 0.4);
      box-shadow: 0 12px 30px -8px rgba(16, 185, 129, 0.2);
    }
    .pulse-dot {
      animation: pulseAnim 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulseAnim {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.15); }
    }
    .skew-hero-bg {
      clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    }
    /* 自定义手风琴过渡 */
    details > summary::-webkit-details-marker { display: none; }
    details > summary { list-style: none; }