/* roulang page: index */
:root {
      --primary-color: #3B46F1;
      --primary-dark: #2563EB;
      --accent-amber: #F59E0B;
      --accent-emerald: #10B981;
      --bg-base: #F8FAFC;
      --bg-alt: #F1F5F9;
      --text-main: #0F172A;
      --text-sub: #475569;
      --border-subtle: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.68;
    }
    .hero-bg-cover {
      background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 41, 59, 0.82) 100%), url('/assets/images/de8cc81fcfd762ce.webp');
      background-size: cover;
      background-position: center;
    }
    .card-hover-fx {
      transition: all 0.28s ease;
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -10px rgba(59, 70, 241, 0.12);
      border-color: #CBD5E1;
    }
    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }

/* roulang page: category2 */
:root {
      --primary-color: #3B46F1;
      --primary-dark: #2563EB;
      --accent-amber: #F59E0B;
      --accent-emerald: #10B981;
      --bg-base: #F8FAFC;
      --bg-alt: #F1F5F9;
      --text-main: #0F172A;
      --text-sub: #475569;
      --border-subtle: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.68;
    }
    .card-hover-fx {
      transition: all 0.28s ease;
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -10px rgba(59, 70, 241, 0.12);
      border-color: #CBD5E1;
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category3 */
:root {
      --primary-color: #3B46F1;
      --primary-dark: #2563EB;
      --accent-amber: #F59E0B;
      --accent-emerald: #10B981;
      --bg-base: #F8FAFC;
      --bg-alt: #F1F5F9;
      --text-main: #0F172A;
      --text-sub: #475569;
      --border-subtle: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.68;
    }
    .hero-bg-cover {
      background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 41, 59, 0.82) 100%), url('/assets/images/de8cc81fcfd762ce.webp');
      background-size: cover;
      background-position: center;
    }
    .card-hover-fx {
      transition: all 0.28s ease;
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -10px rgba(59, 70, 241, 0.12);
      border-color: #CBD5E1;
    }