/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --accent: #3B82F6;
      --accent-high: #0284C7;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
      --bg-base: #FFFFFF;
      --bg-subtle: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-base);
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.92) 50%, rgba(239, 246, 255, 0.88) 100%);
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #f1f5f9;
      border-radius: 9999px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 9999px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }
    details summary::-webkit-details-marker {
      display: none;
    }

/* roulang page: category1 */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --accent: #3B82F6;
      --accent-high: #0284C7;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
      --bg-base: #FFFFFF;
      --bg-subtle: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-base);
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.92) 50%, rgba(239, 246, 255, 0.88) 100%);
    }
    .card-soft-shadow {
      box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.06);
    }
    .card-soft-shadow:hover {
      box-shadow: 0 20px 35px -10px rgba(30, 64, 175, 0.12);
    }