/* roulang page: index */
:root {
      --primary: #1d4ed8;
      --primary-dark: #1e40af;
      --secondary: #0284c7;
      --accent: #ea580c;
      --bg-slate: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #334155;
      background-color: #ffffff;
      line-height: 1.6;
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 58, 138, 0.88) 100%);
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(29, 78, 216, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 20px 35px -5px rgba(29, 78, 216, 0.14), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
      transform: translateY(-3px);
    }

/* roulang page: category1 */
:root {
      --primary: #1d4ed8;
      --primary-dark: #1e40af;
      --secondary: #0284c7;
      --accent: #ea580c;
      --bg-slate: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #334155;
      background-color: #f8fafc;
      line-height: 1.6;
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 58, 138, 0.88) 100%);
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(29, 78, 216, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 20px 35px -5px rgba(29, 78, 216, 0.14), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
      transform: translateY(-3px);
    }