/* roulang page: index */
:root {
      --primary: #0F172A;
      --accent: #FF5400;
      --secondary: #0284C7;
      --bg-light: #F8FAFC;
      --border-color: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #F8FAFC;
      -webkit-font-smoothing: antialiased;
    }
    .hero-gradient {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(11, 15, 25, 0.92) 100%);
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    .metric-card-border {
      border-left: 4px solid var(--accent);
    }