/* roulang page: index */
:root {
      --primary: #4F46E5;
      --secondary: #06B6D4;
      --accent: #10B981;
      --dark: #0F172A;
      --light-bg: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--light-bg);
      color: #334155;
    }
    .gradient-text {
      background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 80%);
    }