/* roulang page: index */
:root {
      --bg-dark: #070b14;
      --bg-card: rgba(255, 255, 255, 0.04);
      --border-card: rgba(255, 255, 255, 0.1);
      --cyan-glow: #06b6d4;
      --blue-accent: #3b82f6;
    }
    body {
      background-color: var(--bg-dark);
      color: #94a3b8;
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    .text-gradient {
      background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-card);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card:hover {
      border-color: rgba(6, 182, 212, 0.4);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.15);
      transform: translateY(-2px);
    }
    .btn-glow {
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      box-shadow: 0 0 35px rgba(6, 182, 212, 0.65);
      transform: scale(1.02);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
    .hud-line {
      background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.5), transparent);
    }

/* roulang page: article */
:root {
      --bg-dark: #070b14;
      --bg-card: rgba(255, 255, 255, 0.04);
      --border-card: rgba(255, 255, 255, 0.1);
      --cyan-glow: #06b6d4;
      --blue-accent: #3b82f6;
    }
    body {
      background-color: var(--bg-dark);
      color: #94a3b8;
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    .text-gradient {
      background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-card);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card:hover {
      border-color: rgba(6, 182, 212, 0.4);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.15);
      transform: translateY(-2px);
    }
    .btn-glow {
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      box-shadow: 0 0 35px rgba(6, 182, 212, 0.65);
      transform: scale(1.02);
    }
    .prose-article {
      color: #cbd5e1;
      line-height: 1.85;
      font-size: 1.05rem;
    }
    .prose-article h2 {
      color: #f8fafc;
      font-size: 1.5rem;
      font-weight: 700;
      margin-top: 2.5rem;
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .prose-article h2::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 1.25rem;
      background: #06b6d4;
      border-radius: 2px;
      box-shadow: 0 0 8px rgba(6, 182, 212, 0.8);
    }
    .prose-article h3 {
      color: #e2e8f0;
      font-size: 1.25rem;
      font-weight: 600;
      margin-top: 1.8rem;
      margin-bottom: 0.8rem;
    }
    .prose-article p {
      margin-bottom: 1.4rem;
    }
    .prose-article ul, .prose-article ol {
      margin-bottom: 1.4rem;
      padding-left: 1.5rem;
    }
    .prose-article ul li {
      list-style-type: square;
      margin-bottom: 0.5rem;
    }
    .prose-article ol li {
      list-style-type: decimal;
      margin-bottom: 0.5rem;
    }
    .prose-article strong {
      color: #38bdf8;
      font-weight: 600;
    }
    .prose-article blockquote {
      border-left: 3px solid #06b6d4;
      background: rgba(6, 182, 212, 0.05);
      padding: 1rem 1.25rem;
      border-radius: 0 8px 8px 0;
      margin: 1.5rem 0;
      color: #94a3b8;
    }
    .prose-article code {
      background: #0f172a;
      color: #38bdf8;
      padding: 0.2rem 0.4rem;
      border-radius: 4px;
      font-size: 0.9em;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category1 */
:root {
      --bg-dark: #070b14;
      --bg-card: rgba(255, 255, 255, 0.04);
      --border-card: rgba(255, 255, 255, 0.1);
      --cyan-glow: #06b6d4;
      --blue-accent: #3b82f6;
    }
    body {
      background-color: var(--bg-dark);
      color: #94a3b8;
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    .text-gradient {
      background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-card);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card:hover {
      border-color: rgba(6, 182, 212, 0.4);
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.15);
      transform: translateY(-2px);
    }
    .btn-glow {
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      box-shadow: 0 0 35px rgba(6, 182, 212, 0.65);
      transform: scale(1.02);
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }