* { box-sizing: border-box; } body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; line-height: 1.6; color: #333; background: #fff; }  nav { display: flex; flex-wrap: nowrap; justify-content: space-between; align-items: center; padding: 1rem; background: #f8f9fa; border-bottom: 1px solid #dee2e6; } nav a { flex: 1 1 0; min-width: 0; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-decoration: none; color: #333; padding: 0.5rem 0.25rem; transition: color 0.3s; } nav a:hover { color: #007bff; } @media (max-width: 768px) { nav { padding: 0.5rem; } nav a { font-size: 0.85rem; padding: 0.4rem 0.2rem; } }  .breadcrumb { padding: 1rem; background: #f8f9fa; font-size: 0.9rem; color: #6c757d; } .breadcrumb a { color: #007bff; text-decoration: none; margin-right: 0.5rem; } .breadcrumb a:hover { text-decoration: underline; }  .video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; } @media (max-width: 768px) { .video-grid { grid-template-columns: 1fr; gap: 1rem; } } .video-card { background: #fff; padding: 1.5rem; border: 1px solid #dee2e6; border-radius: 8px; transition: transform 0.3s, box-shadow 0.3s; position: relative; } .video-card:hover { transform: translateY(-4px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); } .video-card h3 { margin: 0 0 0.5rem 0; font-size: 1.2rem; } .video-card h3 a { color: #212529; text-decoration: none; } .video-card h3 a:hover { color: #007bff; } .video-card .meta { margin: 0 0 0.5rem 0; font-size: 0.9rem; color: #6c757d; } .video-card .one-line { margin: 0 0 0.5rem 0; color: #495057; } .video-card .summary { margin: 0.5rem 0 0 0; font-size: 0.9rem; color: #6c757d; line-height: 1.5; } .video-card .tags { margin: 0.75rem 0 0 0; } .video-card .tags span { display: inline-block; padding: 0.25rem 0.5rem; margin: 0 0.25rem 0.25rem 0; background: #e9ecef; border-radius: 4px; font-size: 0.85rem; color: #495057; } .video-card .rank { position: absolute; top: 1rem; right: 1rem; font-size: 1.5rem; font-weight: bold; color: #dc3545; }  a { color: #007bff; text-decoration: none; } a:hover { text-decoration: underline; }  ul { list-style: none; padding: 0; }  .ui-style-0 {  } .ui-style-1 {  } .ui-style-2 {  } .ui-style-3 {  } .ui-style-4 {  } .ui-style-5 {  } .ui-style-6 {  } .ui-style-7 {  } .ui-style-8 {  } .ui-style-9 {  } .ui-style-10 {  } .ui-style-11 {  } .ui-style-12 {  } .ui-style-13 {  } .ui-style-14 {  }