.main{padding:20px 0}
.main .container{display:flex;flex-wrap:wrap;gap:20px}
.left{flex:1;min-width:300px}
.product-img{background:#fff;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.08);margin-bottom:20px;padding:20px;text-align:center}
.product-img .img-placeholder{align-items:center;background:#e8edf3;background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 24 24" fill="none" stroke="%23b0c4de" stroke-width="1" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>');background-position:50%;background-repeat:no-repeat;background-size:60px 60px;border-radius:4px;color:#999;display:flex;font-size:14px;height:300px;justify-content:center;margin:0 auto;max-width:400px;width:100%}
.product-info{background:#fff;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.08);padding:25px 20px}
.product-info h1{color:#222;font-size:22px;line-height:1.4;margin-bottom:10px}
.product-info .sub{color:#999;font-size:13px;margin-bottom:15px}
.product-info .sub a{color:#0066c0}
.product-info .price-box{background:#fafafa;border:1px solid #f0f0f0;border-radius:4px;margin:15px 0;padding:15px 20px}
.product-info .price-box .price{color:#f30;font-size:28px;font-weight:700}
.product-info .price-box .price small{font-size:14px;font-weight:400}
.product-info .price-box .old-price{color:#999;font-size:14px;margin-left:15px;text-decoration:line-through}
.product-info .price-box .note{color:#999;font-size:12px;margin-top:5px}
.product-info .params{display:grid;font-size:14px;gap:8px 20px;grid-template-columns:1fr 1fr;margin:15px 0}
.product-info .params .label{color:#999}
.product-info .params .value{color:#333}
.product-info .contact{align-items:center;background:#f7f9fc;border-radius:4px;display:flex;flex-wrap:wrap;gap:15px;margin:15px 0;padding:15px 20px}
.product-info .contact .phone{color:#f60;font-size:20px;font-weight:700}
.product-info .contact .btn{background:#f60;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:14px;padding:8px 25px}
.product-info .contact .btn:hover{background:#e65c00}
.product-info .contact .btn-outline{background:0 0;border:1px solid #0066c0;border-radius:4px;color:#0066c0;cursor:pointer;font-size:14px;padding:7px 24px}
.product-info .contact .btn-outline:hover{background:#0066c0;color:#fff}
.right{flex-shrink:0;width:320px}
.supplier-card{background:#fff;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.08);margin-bottom:20px;padding:20px}
.supplier-card .titles{border-bottom:1px solid #f0f0f0;color:#222;font-size:16px;font-weight:700;margin-bottom:12px;padding-bottom:12px}
.supplier-card .company{color:#0066c0;font-size:15px;font-weight:700;margin-bottom:5px}
.supplier-card .company a{color:#0066c0}
.supplier-card .company a:hover{color:#f60}
.supplier-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.supplier-card .tags span{background:#f0f4f8;border-radius:12px;color:#666;font-size:12px;padding:2px 10px}
.supplier-card .info{color:#666;font-size:13px;line-height:1.8}
.supplier-card .info .label{color:#999}
.supplier-card .contact-item{align-items:center;display:flex;gap:8px;margin:5px 0}
.supplier-card .contact-item .phone{color:#f60;font-size:18px;font-weight:700}
.recommend-list .rec-item{align-items:center;border-bottom:1px solid #f5f5f5;display:flex;gap:12px;padding:10px 0}
.recommend-list .rec-item:last-child{border-bottom:none}
.recommend-list .rec-img{background:#e8edf3;background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="30" height="30" viewBox="0 0 24 24" fill="none" stroke="%23b0c4de" stroke-width="1" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>');background-position:50%;background-repeat:no-repeat;background-size:30px 30px;border-radius:4px;flex-shrink:0;height:70px;width:70px}
.recommend-list .rec-info{flex:1}
.recommend-list .rec-name{color:#333;display:-webkit-box;font-size:13px;-webkit-line-clamp:2;line-height:1.4;margin-bottom:4px;-webkit-box-orient:vertical;overflow:hidden}
.recommend-list .rec-price{color:#f30;font-size:15px;font-weight:700}
.recommend-grid{display:grid;gap:15px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.recommend-grid .rec-card{border:1px solid #f0f0f0;border-radius:4px;padding:12px;text-align:center;transition:box-shadow .2s ease}
.recommend-grid .rec-card:hover{box-shadow:0 2px 8px rgba(0,0,0,.08)}
.recommend-grid .rec-card .rec-img{background:#e8edf3;background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 24 24" fill="none" stroke="%23b0c4de" stroke-width="1" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>');background-position:50%;background-repeat:no-repeat;background-size:40px 40px;border-radius:4px;height:120px;margin-bottom:8px}
.recommend-grid .rec-card .rec-name{color:#333;display:-webkit-box;font-size:13px;-webkit-line-clamp:2;line-height:1.4;margin-bottom:4px;-webkit-box-orient:vertical;height:36px;overflow:hidden}
.recommend-grid .rec-card .rec-price{color:#f30;font-size:15px;font-weight:700}
.desc-section{background:#fff;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.08);margin-top:20px;padding:25px 20px}
.desc-section .titles{border-bottom:2px solid #0066c0;color:#222;font-size:18px;font-weight:700;margin-bottom:15px;padding-bottom:10px}
.desc-section .content{color:#444;font-size:14px;line-height:1.8}
.desc-section .content p{margin-bottom:12px}
.desc-section .content table{border-collapse:collapse;font-size:13px;margin:15px 0;width:100%}
.desc-section .content table td,.desc-section .content table th{border:1px solid #e8e8e8;padding:8px 12px;text-align:left}
.desc-section .content table th{background:#f7f9fc;color:#666;font-weight:400;width:120px}
@media (max-width:768px){.right{width:100%}
.product-info .params{grid-template-columns:1fr}
.product-info .contact{align-items:stretch;flex-direction:column}
.top-nav .container{align-items:flex-start;flex-direction:column;gap:5px}
.recommend-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
}