/* roulang page: index */
:root {
      --primary: #00E599;
      --primary-dark: #0A5C36;
      --accent: #6E56CF;
      --bg-dark: #0D1117;
      --bg-surface: #161B22;
      --text-main: #111827;
      --text-sub: #4B5563;
    }
    body {
      color: var(--text-main);
      background-color: #F8F9FA;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(0, 229, 153, 0.15) 0%, rgba(13, 17, 23, 0) 70%);
    }