.article-wrap {
      padding: 40px 0 80px 0;
      background: #f8fafc;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      color: var(--color-slate-500);
      margin-bottom: 24px;
      flex-wrap: wrap;
    }
    .breadcrumb a {
      color: var(--color-slate-600);
      text-decoration: none;
    }
    .breadcrumb a:hover { color: var(--color-primary); }
    .breadcrumb-sep { color: #cbd5e1; }
    .breadcrumb-active { color: var(--color-slate-900); font-weight: 600; }

    .article-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 40px;
      align-items: start;
    }
    .article-main {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px 48px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    }
    .article-header {
      margin-bottom: 30px;
      border-bottom: 1px solid #f1f5f9;
      padding-bottom: 24px;
    }
    .article-tag {
      display: inline-block;
      background: #e0f2fe;
      color: #0284c7;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 6px;
      margin-bottom: 14px;
    }
    .article-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--color-slate-900);
      letter-spacing: -0.02em;
      margin-bottom: 18px;
    }
    .article-meta-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.875rem;
      color: var(--color-slate-500);
    }
    .article-author-info {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0284c7, #0f172a);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .author-name { font-weight: 700; color: var(--color-slate-900); }
    .author-role { font-size: 0.775rem; color: var(--color-slate-500); }
    .article-stats {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .article-featured-img {
      width: 100%;
      max-height: 420px;
      object-fit: cover;
      border-radius: var(--radius-md);
      margin-bottom: 36px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 14px rgba(0,0,0,0.04);
    }

    /* Table of Contents */
    .toc-box {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-left: 4px solid var(--color-primary);
      border-radius: var(--radius-sm);
      padding: 18px 22px;
      margin-bottom: 36px;
    }
    .toc-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--color-slate-900);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .toc-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .toc-list li { margin-bottom: 6px; }
    .toc-list li.toc-h3 { padding-left: 18px; font-size: 0.875rem; }
    .toc-list a {
      color: var(--color-slate-700);
      text-decoration: none;
      transition: color 0.15s;
    }
    .toc-list a:hover {
      color: var(--color-primary);
      text-decoration: underline;
    }

    /* Article Content Typography */
    .article-content {
      font-size: 1.05rem;
      line-height: 1.8;
      color: #334155;
    }
    .article-content h2 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--color-slate-900);
      margin: 40px 0 16px 0;
      padding-bottom: 8px;
      border-bottom: 1px solid #f1f5f9;
      letter-spacing: -0.01em;
    }
    .article-content h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--color-slate-800);
      margin: 28px 0 12px 0;
    }
    .article-content p {
      margin-bottom: 20px;
    }
    .article-content ul, .article-content ol {
      margin: 16px 0 24px 24px;
      line-height: 1.75;
    }
    .article-content li {
      margin-bottom: 8px;
    }
    .article-content blockquote {
      margin: 28px 0;
      padding: 18px 24px;
      background: #f0f9ff;
      border-left: 4px solid var(--color-primary);
      border-radius: 4px;
      color: #0369a1;
      font-weight: 500;
      font-style: italic;
    }
    .article-content strong { color: #0f172a; }

    /* Share & Footer Strip */
    .article-share-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      margin-top: 40px;
      flex-wrap: wrap;
      gap: 16px;
    }
    .share-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--color-slate-800);
    }
    .share-buttons {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .share-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--color-slate-100);
      color: var(--color-slate-700);
      text-decoration: none;
      transition: all 0.2s;
      border: 1px solid #e2e8f0;
      cursor: pointer;
    }
    .share-btn:hover {
      background: var(--color-primary);
      color: #ffffff;
      border-color: var(--color-primary);
      transform: translateY(-2px);
    }

    /* Sidebar */
    .article-sidebar {
      position: sticky;
      top: 90px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .sidebar-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }
    .sidebar-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--color-slate-900);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid #f1f5f9;
    }
    .related-post-mini {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 16px;
      padding-bottom: 14px;
      border-bottom: 1px solid #f8fafc;
      text-decoration: none;
      color: inherit;
    }
    .related-post-mini:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }
    .related-post-title {
      font-size: 0.925rem;
      font-weight: 700;
      color: var(--color-slate-900);
      line-height: 1.4;
      transition: color 0.15s;
    }
    .related-post-mini:hover .related-post-title {
      color: var(--color-primary);
    }
    .related-post-date {
      font-size: 0.775rem;
      color: #94a3b8;
    }

    /* Sidebar Demo Box */
    .sidebar-demo-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px 22px;
      text-align: center;
    }
    .sidebar-demo-box h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: #38bdf8;
      margin-bottom: 10px;
    }
    .sidebar-demo-box p {
      font-size: 0.85rem;
      color: #cbd5e1;
      margin-bottom: 18px;
      line-height: 1.5;
    }

    @media (max-width: 992px) {
      .article-grid { grid-template-columns: 1fr; }
      .article-main { padding: 26px 20px; }
      .article-title { font-size: 1.75rem; }
      .article-sidebar { position: static; }
    }