/* roulang page: index */
:root {
      --primary: #1A56DB;
      --primary-dark: #0F2F6B;
      --accent: #0284C7;
      --dark: #0F172A;
      --surface: #F8FAFC;
      --border: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
    }
    .custom-card-shadow {
      box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.02);
      border: 1px solid #E2E8F0;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card-shadow:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px -4px rgba(26, 86, 219, 0.08), 0 8px 16px -4px rgba(15, 23, 42, 0.04);
      border-color: #BFDBFE;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 47, 107, 0.78) 100%);
    }
    .chip-glow {
      box-shadow: 0 0 25px rgba(2, 132, 199, 0.25);
    }