/* roulang page: index */
:root {
      --bg-dark: #0A0D18;
      --card-bg: rgba(15, 23, 42, 0.72);
      --card-border: rgba(255, 255, 255, 0.08);
      --primary-blue: #0066FF;
      --cyan-glow: #38BDF8;
      --neon-purple: #8B5CF6;
      --neon-pink: #EC4899;
    }
    body {
      background-color: var(--bg-dark);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #E2E8F0;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--card-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--card-border);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    }
    .glass-panel-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-panel-hover:hover {
      border-color: rgba(56, 189, 248, 0.35);
      transform: translateY(-4px);
      box-shadow: 0 12px 36px 0 rgba(0, 102, 255, 0.22);
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #0066FF 0%, #38BDF8 100%);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
      transition: all 0.25s ease;
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
      transform: scale(1.02);
    }
    .glow-btn-secondary {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.3);
      transition: all 0.25s ease;
    }
    .glow-btn-secondary:hover {
      border-color: #38BDF8;
      background: rgba(56, 189, 248, 0.12);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: article */
:root {
      --bg-dark: #0A0D18;
      --card-bg: rgba(15, 23, 42, 0.72);
      --card-border: rgba(255, 255, 255, 0.08);
      --primary-blue: #0066FF;
      --cyan-glow: #38BDF8;
      --neon-purple: #8B5CF6;
      --neon-pink: #EC4899;
    }
    body {
      background-color: var(--bg-dark);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #E2E8F0;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #0066FF 0%, #38BDF8 100%);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
      transition: all 0.25s ease;
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
      transform: scale(1.02);
    }
    .glow-btn-secondary {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.3);
      transition: all 0.25s ease;
    }
    .glow-btn-secondary:hover {
      border-color: #38BDF8;
      background: rgba(56, 189, 248, 0.12);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
    .prose-article {
      color: #CBD5E1;
      font-size: 1.05rem;
      line-height: 1.85;
    }
    .prose-article p {
      margin-bottom: 1.5rem;
    }
    .prose-article h2 {
      color: #F8FAFC;
      font-size: 1.5rem;
      font-weight: 700;
      margin-top: 2.25rem;
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .prose-article h3 {
      color: #38BDF8;
      font-size: 1.25rem;
      font-weight: 600;
      margin-top: 1.75rem;
      margin-bottom: 0.75rem;
    }
    .prose-article ul, .prose-article ol {
      margin-left: 1.5rem;
      margin-bottom: 1.5rem;
    }
    .prose-article li {
      margin-bottom: 0.5rem;
      list-style-type: disc;
    }
    .prose-article blockquote {
      border-left: 4px solid #38BDF8;
      padding-left: 1rem;
      margin: 1.5rem 0;
      color: #94A3B8;
      background: rgba(15, 23, 42, 0.5);
      border-radius: 0 0.5rem 0.5rem 0;
      padding: 0.85rem 1.25rem;
    }

/* roulang page: category1 */
:root {
      --bg-dark: #0A0D18;
      --card-bg: rgba(15, 23, 42, 0.72);
      --card-border: rgba(255, 255, 255, 0.08);
      --primary-blue: #0066FF;
      --cyan-glow: #38BDF8;
      --neon-purple: #8B5CF6;
      --neon-pink: #EC4899;
    }
    body {
      background-color: var(--bg-dark);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #E2E8F0;
      overflow-x: hidden;
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #0066FF 0%, #38BDF8 100%);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
      transition: all 0.25s ease;
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
      transform: scale(1.02);
    }
    .glow-btn-secondary {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.3);
      transition: all 0.25s ease;
    }
    .glow-btn-secondary:hover {
      border-color: #38BDF8;
      background: rgba(56, 189, 248, 0.12);
    }
    .glass-panel {
      background: var(--card-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--card-border);
    }
    .clip-slant-hero {
      clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), 0 100%);
    }
    @media (max-width: 640px) {
      .clip-slant-hero {
        clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
      }
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category3 */
:root {
      --bg-dark: #0A0D18;
      --card-bg: rgba(15, 23, 42, 0.72);
      --card-border: rgba(255, 255, 255, 0.08);
      --primary-blue: #0066FF;
      --cyan-glow: #38BDF8;
      --neon-purple: #8B5CF6;
      --neon-pink: #EC4899;
    }
    body {
      background-color: var(--bg-dark);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #E2E8F0;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--card-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--card-border);
    }
    .glass-panel-glow {
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(56, 189, 248, 0.2);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #0066FF 0%, #38BDF8 100%);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
      transition: all 0.25s ease;
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
      transform: scale(1.02);
    }
    .glow-btn-secondary {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.3);
      transition: all 0.25s ease;
    }
    .glow-btn-secondary:hover {
      border-color: #38BDF8;
      background: rgba(56, 189, 248, 0.12);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
    .progress-radial {
      background: radial-gradient(closest-side, #0f172a 79%, transparent 80% 100%),
                  conic-gradient(#38bdf8 88%, rgba(255,255,255,0.1) 0);
    }

/* roulang page: category2 */
:root {
      --bg-dark: #0A0D18;
      --card-bg: rgba(15, 23, 42, 0.72);
      --card-border: rgba(255, 255, 255, 0.08);
      --primary-blue: #0066FF;
      --cyan-glow: #38BDF8;
      --neon-purple: #8B5CF6;
      --neon-pink: #EC4899;
    }
    body {
      background-color: var(--bg-dark);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #E2E8F0;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--card-bg);
      backdrop-filter: blur(16px);
      border: 1px solid var(--card-border);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #0066FF 0%, #38BDF8 100%);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
      transition: all 0.25s ease;
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
      transform: scale(1.02);
    }
    .glow-btn-secondary {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.3);
      transition: all 0.25s ease;
    }
    .glow-btn-secondary:hover {
      border-color: #38BDF8;
      background: rgba(56, 189, 248, 0.12);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category4 */
:root {
      --bg-dark: #0A0D18;
      --card-bg: rgba(15, 23, 42, 0.72);
      --card-border: rgba(255, 255, 255, 0.08);
      --primary-blue: #0066FF;
      --cyan-glow: #38BDF8;
      --neon-purple: #8B5CF6;
      --neon-pink: #EC4899;
    }
    body {
      background-color: var(--bg-dark);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #E2E8F0;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--card-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--card-border);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      border-color: rgba(56, 189, 248, 0.35);
      transform: translateY(-4px);
      box-shadow: 0 14px 36px rgba(0, 102, 255, 0.15);
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #0066FF 0%, #38BDF8 100%);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
      transition: all 0.25s ease;
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
      transform: scale(1.02);
    }
    .glow-btn-secondary {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.3);
      transition: all 0.25s ease;
    }
    .glow-btn-secondary:hover {
      border-color: #38BDF8;
      background: rgba(56, 189, 248, 0.12);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }