/* roulang page: index */
:root {
      --primary: #2563eb;
      --primary-hover: #1d4ed8;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-light);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      scroll-behavior: smooth;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(59, 130, 246, 0.12) 0%, rgba(248, 250, 252, 0) 70%);
    }
    .badge-blur {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }