/* roulang page: index */
:root {
      --primary-navy: #1E3A8A;
      --accent-teal: #0D9488;
      --highlight-amber: #F59E0B;
      --bg-surface: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --card-shadow-hover: 0 20px 30px -10px rgba(15, 23, 42, 0.12), 0 12px 14px -6px rgba(15, 23, 42, 0.06);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-surface);
      color: var(--text-main);
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    .custom-card {
      box-shadow: var(--card-shadow);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }
    .pulse-dot {
      animation: pulseGlow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulseGlow {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.2); }
    }