/* roulang page: index */
:root {
      --primary-color: #FF5A1F;
      --secondary-color: #0F172A;
      --accent-ice: #00D2FF;
      --bg-light: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 50%, rgba(255, 90, 31, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }