/* roulang page: index */
:root {
      --bg-main: #0A0F1D;
      --bg-card: rgba(19, 28, 53, 0.75);
      --border-cyan: rgba(0, 240, 255, 0.2);
      --neon-cyan: #00F0FF;
    }
    body {
      background-color: var(--bg-main);
      color: #F1F5F9;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, sans-serif;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-cyan);
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 240, 255, 0.45);
      box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
    }
    .text-glow {
      text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .btn-glow {
      transition: all 0.3s ease;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
    }
    .btn-glow:hover {
      box-shadow: 0 0 35px rgba(0, 240, 255, 0.65);
      transform: translateY(-2px) scale(1.02);
    }

/* roulang page: article */
:root {
      --bg-main: #0A0F1D;
      --bg-card: rgba(19, 28, 53, 0.75);
      --border-cyan: rgba(0, 240, 255, 0.2);
      --neon-cyan: #00F0FF;
    }
    body {
      background-color: var(--bg-main);
      color: #F1F5F9;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, sans-serif;
      overflow-x: hidden;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      border: 1px solid var(--border-cyan);
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 240, 255, 0.45);
      box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
    }
    .text-glow {
      text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .btn-glow {
      transition: all 0.3s ease;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
    }
    .btn-glow:hover {
      box-shadow: 0 0 35px rgba(0, 240, 255, 0.65);
      transform: translateY(-2px) scale(1.02);
    }
    .article-body {
      color: #CBD5E1;
      font-size: 1.0625rem;
      line-height: 1.85;
    }
    .article-body p {
      margin-bottom: 1.5rem;
    }
    .article-body h2 {
      color: #FFFFFF;
      font-size: 1.5rem;
      font-weight: 700;
      margin-top: 2.25rem;
      margin-bottom: 1rem;
      padding-left: 0.85rem;
      border-left: 4px solid var(--neon-cyan);
    }
    .article-body h3 {
      color: #F1F5F9;
      font-size: 1.25rem;
      font-weight: 600;
      margin-top: 1.75rem;
      margin-bottom: 0.85rem;
    }
    .article-body ul, .article-body ol {
      margin-bottom: 1.5rem;
      padding-left: 1.5rem;
    }
    .article-body ul {
      list-style-type: disc;
    }
    .article-body ol {
      list-style-type: decimal;
    }
    .article-body li {
      margin-bottom: 0.5rem;
    }
    .article-body blockquote {
      margin: 1.75rem 0;
      padding: 1rem 1.5rem;
      background: rgba(13, 21, 39, 0.8);
      border-left: 3px solid #2563EB;
      border-radius: 0 0.75rem 0.75rem 0;
      color: #94A3B8;
      font-style: italic;
    }
    .article-body img {
      max-width: 100%;
      height: auto;
      border-radius: 1rem;
      margin: 1.75rem 0;
      border: 1px solid rgba(0, 240, 255, 0.2);
    }
    .article-body a {
      color: #00F0FF;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

/* roulang page: category1 */
:root {
      --bg-main: #0A0F1D;
      --bg-card: rgba(19, 28, 53, 0.75);
      --border-cyan: rgba(0, 240, 255, 0.2);
      --neon-cyan: #00F0FF;
    }
    body {
      background-color: var(--bg-main);
      color: #F1F5F9;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 微软雅黑, sans-serif;
      overflow-x: hidden;
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 240, 255, 0.45);
      box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
    }
    .text-glow {
      text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .btn-glow {
      transition: all 0.3s ease;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
    }
    .btn-glow:hover {
      box-shadow: 0 0 35px rgba(0, 240, 255, 0.65);
      transform: translateY(-2px) scale(1.02);
    }
    .badge-rank {
      background: linear-gradient(135deg, #00F0FF 0%, #2563EB 100%);
    }
    .badge-rank-gold {
      background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    }
