/* roulang page: index */
:root {
      --primary: #059669;
      --primary-light: #10b981;
      --accent: #f97316;
      --bg-dark: #0f172a;
      --bg-light: #f8fafc;
      --text-main: #020617;
      --text-muted: #475569;
      --border-color: #e2e8f0;
    }
    html {
      box-sizing: border-box;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    *, *:before, *:after {
      box-sizing: inherit;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #f1f5f9;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 9999px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }
    .pulse-indicator {
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse-ring 2s infinite cubic-bezier(0.66, 0, 0, 1);
    }
    @keyframes pulse-ring {
      to {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
      }
    }