/* roulang page: index */
:root {
      --primary: #00E599;
      --dark: #0F172A;
      --accent: #FF5722;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(0, 229, 153, 0.15), transparent 70%);
    }
    .glass-nav {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background-color: #cbd5e1;
      border-radius: 4px;
    }