/* roulang page: index */
:root {
      --primary: #1E40AF;
      --accent: #0D9488;
      --alert: #EA580C;
      --bg-light: #F4F6F9;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      color: var(--text-body);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(30, 64, 175, 0.18) 0%, rgba(15, 23, 42, 0.95) 75%);
    }