/* roulang page: index */
:root {
      --primary-color: #1E40AF;
      --secondary-color: #0284C7;
      --accent-color: #2563EB;
      --text-main: #0F172A;
      --text-muted: #475569;
      --bg-light: #F8FAFC;
    }
    body {
      font-family: 'Noto Sans SC', 'Outfit', system-ui, -apple-system, sans-serif;
      color: #334155;
      background-color: #F8FAFC;
      scroll-behavior: smooth;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(37, 99, 235, 0.12) 0%, rgba(248, 250, 252, 0) 70%);
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.05), 0 4px 10px -2px rgba(15, 23, 42, 0.02);
    }
    .custom-shadow-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-shadow-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -10px rgba(30, 64, 175, 0.12), 0 8px 16px -4px rgba(30, 64, 175, 0.06);
    }
    .bg-grid-pattern {
      background-size: 32px 32px;
      background-image: 
        linear-gradient(to right, rgba(226, 232, 240, 0.6) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(226, 232, 240, 0.6) 1px, transparent 1px);
    }