:root {
            --radius: 12px;
            --radius-sm: 8px;
            --radius-round: 50px;
            --shadow: 0 5px 20px rgba(0,0,0,.06);
            --shadow-hover: 0 15px 40px rgba(0,0,0,.12);
            --transition: .3s;
        }
        .products-section { padding: 80px 0; background: var(--bg-light); }

        .product-categories {
            display: flex; justify-content: center; gap: 15px;
            margin-bottom: 40px; flex-wrap: wrap;
        }
        .product-categories a {
            display: inline-block; padding: 10px 28px;
            border: 2px solid var(--border); border-radius: var(--radius-round);
            font-size: 15px; font-weight: 500; color: var(--text-light);
            transition: all var(--transition);
        }
        .product-categories a:hover,
        .product-categories a.active {
            background: var(--primary); border-color: var(--primary); color: var(--white);
        }

        .product-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
        .product-card {
            display: block; background: var(--white); border-radius: var(--radius);
            overflow: hidden; box-shadow: var(--shadow);
            transition: all .4s; text-decoration: none; color: inherit;
        }
        .product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-hover); }
        .product-card .product-img {
            height: 240px; overflow: hidden; position: relative;
        }
        .product-card .product-img img {
            width: 100%; height: 100%; object-fit: cover; transition: transform .5s;
        }
        .product-card:hover .product-img img { transform: scale(1.1); }
        .product-card .product-tag {
            position: absolute; top: 12px; left: 12px; padding: 4px 12px;
            background: var(--primary); color: var(--white); font-size: 12px;
            border-radius: 20px; font-weight: 600;
        }
        .product-card .product-hot {
            position: absolute; top: 12px; right: 12px; padding: 4px 12px;
            background: #e74c3c; color: var(--white); font-size: 12px;
            border-radius: 20px; font-weight: 600;
        }
        .product-card .product-info { padding: 20px; }
        .product-card .product-info h3 {
            font-size: 18px; color: var(--dark); margin-bottom: 8px;
            transition: color var(--transition);
        }
        .product-card:hover .product-info h3 { color: var(--primary); }
        .product-card .product-info .product-desc {
            font-size: 13px; color: var(--text-muted); line-height: 1.6;
            margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2;
            -webkit-box-orient: vertical; line-clamp: 2; overflow: hidden;
        }
        .product-card .product-info .product-meta {
            display: flex; justify-content: space-between; align-items: center;
        }
        .product-card .product-specs {
            display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px;
        }
        .product-card .product-specs span {
            display: inline-block; padding: 2px 10px; background: var(--bg-hover);
            border-radius: 4px; font-size: 12px; color: var(--text-gray);
        }

        .pagination { display: flex; justify-content: center; gap: 8px; margin-top: 50px; padding: 0; list-style: none; }
        .pagination li { display: inline-flex; }
        .pagination a, .pagination span {
            display: inline-flex; align-items: center; justify-content: center;
            min-width: 42px; height: 42px; padding: 0 4px;
            border: 2px solid var(--border); border-radius: var(--radius-sm);
            font-size: 15px; color: var(--text-light); background: var(--white);
            transition: all var(--transition);
        }
        .pagination a:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }
        .pagination .active span { background: var(--primary); border-color: var(--primary); color: var(--white); }
        .pagination .disabled span { color: var(--border); border-color: var(--border-light); background: #fafafa; cursor: not-allowed; }

        .product-empty { text-align: center; padding: 80px 20px; color: var(--text-muted); }
        .product-empty .empty-icon { font-size: 56px; margin-bottom: 20px; opacity: .5; }

        @media (max-width: 992px) { .product-grid { grid-template-columns: repeat(2,1fr); } }
        @media (max-width: 768px) {
            .product-grid { grid-template-columns: 1fr; }
            .product-categories a { padding: 8px 18px; font-size: 13px; }
        }