/* roulang page: index */
:root {
      --bg-primary: #070b14;
      --bg-surface: #0c1322;
      --border-line: rgba(33, 49, 81, 0.7);
      --accent-cyan: #06b6d4;
      --accent-emerald: #10b981;
    }
    body {
      background-color: var(--bg-primary);
      color: #cbd5e1;
      font-feature-settings: "tnum";
      font-variant-numeric: tabular-nums;
      overflow-x: hidden;
    }
    .grid-mesh {
      background-image: radial-gradient(rgba(34, 211, 238, 0.08) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .glass-card {
      background: rgba(12, 19, 34, 0.75);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(27, 39, 66, 0.85);
    }
    .glass-card:hover {
      border-color: rgba(6, 182, 212, 0.35);
    }
    .glow-cyan {
      box-shadow: 0 0 25px -5px rgba(6, 182, 212, 0.25);
    }
    .line-clamp-2 {
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .line-clamp-3 {
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    details summary::-webkit-details-marker {
      display: none;
    }

/* roulang page: article */
:root {
      --bg-primary: #070b14;
      --bg-surface: #0c1322;
      --border-line: rgba(33, 49, 81, 0.7);
      --accent-cyan: #06b6d4;
      --accent-emerald: #10b981;
    }
    body {
      background-color: var(--bg-primary);
      color: #cbd5e1;
      font-feature-settings: "tnum";
      font-variant-numeric: tabular-nums;
      overflow-x: hidden;
    }
    .grid-mesh {
      background-image: radial-gradient(rgba(34, 211, 238, 0.08) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .glass-card {
      background: rgba(12, 19, 34, 0.75);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(27, 39, 66, 0.85);
    }
    .glass-card:hover {
      border-color: rgba(6, 182, 212, 0.35);
    }
    /* 文章正文高级排版样式定制 */
    .article-content {
      color: #cbd5e1;
      font-size: 1.05rem;
      line-height: 1.85;
    }
    .article-content h2 {
      color: #f1f5f9;
      font-size: 1.6rem;
      font-weight: 700;
      margin-top: 2.2rem;
      margin-bottom: 1rem;
      padding-bottom: 0.6rem;
      border-bottom: 1px solid rgba(33, 49, 81, 0.8);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .article-content h2::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 1.3rem;
      background-color: var(--accent-cyan);
      border-radius: 2px;
    }
    .article-content h3 {
      color: #e2e8f0;
      font-size: 1.3rem;
      font-weight: 600;
      margin-top: 1.8rem;
      margin-bottom: 0.75rem;
    }
    .article-content p {
      margin-bottom: 1.25rem;
      text-align: justify;
    }
    .article-content ul, .article-content ol {
      margin-bottom: 1.25rem;
      padding-left: 1.5rem;
    }
    .article-content ul {
      list-style-type: disc;
    }
    .article-content ol {
      list-style-type: decimal;
    }
    .article-content li {
      margin-bottom: 0.5rem;
    }
    .article-content blockquote {
      border-left: 4px solid var(--accent-cyan);
      background-color: rgba(12, 19, 34, 0.85);
      padding: 1rem 1.25rem;
      margin: 1.5rem 0;
      border-radius: 0 0.5rem 0.5rem 0;
      color: #94a3b8;
      font-style: italic;
    }
    .article-content code {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      background: rgba(15, 23, 42, 0.9);
      border: 1px solid rgba(30, 41, 59, 0.8);
      padding: 0.2rem 0.4rem;
      border-radius: 0.25rem;
      color: #38bdf8;
      font-size: 0.9em;
    }
    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5rem 0;
      font-size: 0.95rem;
    }
    .article-content th, .article-content td {
      border: 1px solid rgba(33, 49, 81, 0.8);
      padding: 0.75rem 1rem;
      text-align: left;
    }
    .article-content th {
      background-color: rgba(15, 23, 42, 0.8);
      color: #f1f5f9;
    }
    .article-content img {
      max-width: 100%;
      height: auto;
      border-radius: 0.5rem;
      border: 1px solid rgba(33, 49, 81, 0.7);
      margin: 1.5rem auto;
    }

/* roulang page: category1 */
:root {
      --bg-primary: #070b14;
      --bg-surface: #0c1322;
      --border-line: rgba(33, 49, 81, 0.7);
      --accent-cyan: #06b6d4;
      --accent-emerald: #10b981;
    }
    body {
      background-color: var(--bg-primary);
      color: #cbd5e1;
      font-feature-settings: "tnum";
      font-variant-numeric: tabular-nums;
      overflow-x: hidden;
    }
    .grid-mesh {
      background-image: radial-gradient(rgba(34, 211, 238, 0.08) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .glass-card {
      background: rgba(12, 19, 34, 0.75);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(27, 39, 66, 0.85);
    }
    .glass-card:hover {
      border-color: rgba(6, 182, 212, 0.35);
    }