/* roulang page: index */
:root {
      --brand-primary: #10B981;
      --brand-primary-hover: #059669;
      --brand-accent: #F97316;
      --brand-dark: #0B0F17;
      --brand-dark-card: #151D2A;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.18) 0%, rgba(11, 15, 23, 0.85) 70%, #0B0F17 100%);
    }