/* roulang page: index */
:root {
      --primary-color: #3b82f6;
      --primary-dark: #1d4ed8;
      --accent-color: #8b5cf6;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.06) 40%, rgba(248, 250, 252, 0) 70%);
    }
    .card-hover-effect {
      transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-track {
      background: #f1f5f9;
      border-radius: 4px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    .custom-scroll::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }

/* roulang page: category1 */
:root {
      --primary-color: #3b82f6;
      --primary-dark: #1d4ed8;
      --accent-color: #8b5cf6;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.06) 40%, rgba(248, 250, 252, 0) 70%);
    }
    .card-hover-effect {
      transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    }
    .badge-soft {
      background-color: rgba(59, 130, 246, 0.1);
      color: #2563eb;
    }