/* roulang page: index */
:root {
      --primary-color: #1e40af;
      --secondary-color: #0284c7;
      --accent-color: #0d9488;
      --bg-light: #f8fafc;
      --card-bg: #ffffff;
      --text-main: #0f172a;
      --text-sub: #475569;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 20px 25px -5px rgba(30, 64, 175, 0.1), 0 10px 10px -5px rgba(30, 64, 175, 0.04);
      transform: translateY(-2px);
    }