main{max-width:1200px;margin:2rem auto;padding:0 1rem;}.site-header{text-align:center;padding:2rem 0;border-bottom:2px solid #e0e0e0;margin-bottom:2rem;}.site-header h1{font-size:2rem;margin:0;color:#222;}.site-intro{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);margin-bottom:2rem;}.site-intro h2{margin-top:0;color:#0066cc;}.breadcrumb{padding:1rem;background:#fff;margin:1rem 0;border-radius:4px;font-size:0.9rem;color:#666;}.breadcrumb a{color:#0066cc;}.breadcrumb span{color:#333;}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin:1.5rem 0;}.video-card{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);transition:transform 0.3s,box-shadow 0.3s;}.video-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px rgba(0,0,0,0.15);}.video-card h3{margin:0 0 0.5rem 0;font-size:1.2rem;}.video-card .meta{color:#666;font-size:0.9rem;margin:0.5rem 0;}.video-card .oneline{color:#333;margin:0.5rem 0;}.video-card .summary{color:#555;font-size:0.9rem;line-height:1.5;margin:0.5rem 0;}.video-list{display:flex;flex-direction:column;gap:1.5rem;}.video-item{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);}.video-item h2{margin:0 0 0.5rem 0;font-size:1.5rem;}.video-item .meta{color:#666;font-size:0.9rem;margin:0.5rem 0;}.video-item .oneline{color:#333;margin:0.5rem 0;}.video-item .tags{margin:0.5rem 0;}.tag{display:inline-block;background:#e8f4f8;color:#0066cc;padding:0.25rem 0.75rem;border-radius:4px;font-size:0.85rem;margin:0.25rem 0.25rem 0.25rem 0;}.tag-site{background:#fff3e0;color:#e65100;}.video-detail{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);}.video-detail h1{margin:0 0 1rem 0;color:#222;}.meta-info{border-left:4px solid #0066cc;padding-left:1rem;margin:1.5rem 0;background:#f9f9f9;padding:1rem;}.meta-info p{margin:0.5rem 0;}.video-detail section{margin:2rem 0;}.video-detail section h2{color:#0066cc;border-bottom:2px solid #e0e0e0;padding-bottom:0.5rem;margin-bottom:1rem;}.related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;}.related-item{background:#f9f9f9;padding:1rem;border-radius:4px;border-left:3px solid #0066cc;}.related-item h3{margin:0 0 0.5rem 0;font-size:1rem;}.list-entrance{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);margin:2rem 0;text-align:center;}.list-entrance h2{color:#0066cc;margin-top:0;}.latest-picks{margin:2rem 0;}.latest-picks h2{color:#0066cc;border-bottom:2px solid #e0e0e0;padding-bottom:0.5rem;margin-bottom:1rem;}footer{text-align:center;padding:2rem;color:#666;border-top:1px solid #e0e0e0;margin-top:3rem;}@media (max-width:768px){.video-grid{grid-template-columns:1fr;}.site-header h1{font-size:1.5rem;}nav a{padding:0.75rem 0.25rem;font-size:0.85rem;}.related-list{grid-template-columns:1fr;}}