/* roulang page: index */
:root {
      --primary: #10B981;
      --primary-pulse: #6366F1;
      --bg-dark: #0F172A;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.8;
      color: #334155;
      background-color: #F8FAFC;
    }
    .text-gradient {
      background: linear-gradient(135deg, #10B981 0%, #6366F1 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.15), rgba(99, 102, 241, 0.08) 55%, transparent 75%);
    }