/* 经典回顾 - Layout E */ .card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin:20px 0;}.card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,0.1);transition:transform 0.3s;}.card:hover{transform:translateY(-5px);box-shadow:0 4px 12px rgba(0,0,0,0.15);}.card h3{color:#e74c3c;margin-bottom:10px;font-size:18px;}.card .meta{font-size:14px;color:#666;margin:5px 0;}.card .tags{margin-top:10px;}.card .tags span{display:inline-block;background:#f0f0f0;padding:3px 8px;margin:2px;border-radius:3px;font-size:12px;}.section{margin:40px 0;}.section h2{font-size:24px;margin-bottom:20px;color:#333;border-left:4px solid #e74c3c;padding-left:10px;}.intro{background:#fff;padding:30px;border-radius:8px;margin:20px 0;line-height:1.8;}.detail-header{background:#fff;padding:30px;border-radius:8px;margin:20px 0;}.detail-header h1{color:#e74c3c;margin-bottom:15px;}.detail-body{background:#fff;padding:30px;border-radius:8px;margin:20px 0;}.detail-body h2{margin-top:30px;margin-bottom:15px;color:#333;}.related{margin-top:40px;}@media (max-width:768px){.card-grid{grid-template-columns:1fr;}header .container{flex-direction:column;align-items:stretch;}.logo{margin-bottom:10px;text-align:center;}}