/* 产品展示 */
 .product-list {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
     gap: 30px;
 }

 .product-card {
     border-radius: 12px;
     overflow: hidden;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
     transition: 0.3s;
 }

 .product-card:hover {
     transform: translateY(-5px);
 }

 .product-img {
     height: 200px;
     background: #e2e8f0;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 3rem;
     color: #64748b;
 }

 .product-img a {
     height: 100%;
 }

 .product-img a img {
     height: 100%;
     object-fit: contain;
 }

 a .product-img img {
     height: 100%;
     object-fit: contain;
 }

 .product-info {
     padding: 20px;
 }

 .product-info h3 {
     font-size: 20px;
     margin-bottom: 10px;
 }

 .product-info p {
     color: #64748b;
     font-size: 14px;
     line-height: 1.6;
 }