/* roulang page: index */
:root {
      --primary: #1D4ED8;
      --primary-hover: #1E40AF;
      --accent: #0EA5E9;
      --bg-light: #F8FAFC;
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
      --card-shadow-hover: 0 20px 30px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.08);
    }
    html {
      scroll-behavior: smooth;
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }
    body {
      color: #334155;
      background-color: #ffffff;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }
    .custom-shadow {
      box-shadow: var(--card-shadow);
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-shadow:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-3px);
    }
    .tabular-nums {
      font-variant-numeric: tabular-nums;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .hero-banner-bg {
      background-image: linear-gradient(to right, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.65)), url('/assets/images/b7823cff8f72a97c.jpg');
      background-size: cover;
      background-position: center;
    }

/* roulang page: category1 */
:root {
      --primary: #1D4ED8;
      --primary-hover: #1E40AF;
      --accent: #0EA5E9;
      --bg-light: #F8FAFC;
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
      --card-shadow-hover: 0 20px 30px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.08);
    }
    html {
      scroll-behavior: smooth;
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }
    body {
      color: #334155;
      background-color: #ffffff;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }
    .custom-shadow {
      box-shadow: var(--card-shadow);
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-shadow:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-3px);
    }
    .category-hero-bg {
      background-color: #F1F5F9;
      background-image: radial-gradient(#CBD5E1 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .tag-badge {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.625rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 500;
      line-height: 1rem;
    }