/* roulang page: index */
:root {
      --primary: #0F382C;
      --accent: #10B981;
      --dark: #0A0F0D;
      --slate-text: #334155;
      --muted-text: #64748B;
      --bg-light: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: Inter, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: #FFFFFF;
      color: var(--slate-text);
      overflow-x: hidden;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    .hero-glow {
      box-shadow: 0 20px 50px rgba(15, 56, 44, 0.25);
    }