/* roulang page: index */
:root {
      --primary-color: #0f4c81;
      --primary-hover: #07335c;
      --accent-color: #f97316;
      --text-main: #0f172a;
      --text-muted: #475569;
      --bg-page: #f8fafc;
      --card-border: #e2e8f0;
      --radius-default: 1rem;
      --shadow-default: 0 4px 20px -2px rgba(15, 76, 129, 0.08);
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-page);
      font-family: inherit;
      -webkit-font-smoothing: antialiased;
    }
    .custom-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-default);
      box-shadow: var(--shadow-default);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px -4px rgba(15, 76, 129, 0.16);
      border-color: #cbd5e1;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .custom-gradient-bg {
      background: linear-gradient(135deg, rgba(15,76,129,0.92) 0%, rgba(7,51,92,0.95) 100%);
    }