/* roulang page: index */
:root {
      --primary-neon: #00E676;
      --primary-dark: #0F172A;
      --card-bg: #FFFFFF;
      --border-color: #E2E8F0;
      --accent-orange: #F97316;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: #334155;
      background-color: #F8FAFC;
    }
    .neon-glow {
      box-shadow: 0 0 25px rgba(0, 230, 118, 0.25);
    }
    .neon-border {
      border: 1px solid rgba(0, 230, 118, 0.4);
    }
    .dark-grid-bg {
      background-color: #090D16;
      background-image: radial-gradient(rgba(0, 230, 118, 0.08) 1px, transparent 0);
      background-size: 32px 32px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .tabular-numbers {
      font-variant-numeric: tabular-nums;
    }