/* roulang page: index */
:root {
      --color-primary: #1A56DB;
      --color-hover: #1E40AF;
      --color-accent: #06B6D4;
      --color-orange: #F97316;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: rgba(226, 232, 240, 0.8);
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
      --card-hover-shadow: 0 20px 30px -10px rgba(26, 86, 219, 0.12);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
      line-height: 1.75;
    }
    .hero-bg {
      background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.94) 0%, rgba(239, 246, 255, 0.92) 100%), url('/assets/images/710f0ae31c954d11.jpg');
      background-size: cover;
      background-position: center;
    }
    .custom-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(26, 86, 219, 0.3);
    }
    .progress-ring-circle {
      transition: stroke-dashoffset 0.6s ease;
      transform: rotate(-90deg);
      transform-origin: 50% 50%;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-item.active .accordion-content {
      max-height: 300px;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }

/* roulang page: category1 */
:root {
      --color-primary: #1A56DB;
      --color-hover: #1E40AF;
      --color-accent: #06B6D4;
      --color-orange: #F97316;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: rgba(226, 232, 240, 0.8);
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
      --card-hover-shadow: 0 20px 30px -10px rgba(26, 86, 219, 0.12);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
      line-height: 1.75;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
    }
    .custom-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(26, 86, 219, 0.3);
    }
    .badge-tag {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.625rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 500;
    }