/* ========================================
   Category Header / 分类标题
   ======================================== */
.category-header {
    padding: 50px 0 30px;
    text-align: center;
}

.category-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.category-desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.category-tabs {
    display: inline-flex;
    gap: 0;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.category-tabs .tab {
    padding: 10px 28px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    border-right: 1px solid var(--border-color);
}

.category-tabs .tab:last-child {
    border-right: none;
}

.category-tabs .tab:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.category-tabs .tab.active {
    color: #fff;
    background: var(--primary);
}

/* ========================================
   Products Grid / 产品列表
   ======================================== */
.products-section {
    padding: 10px 0 60px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

/* Product Card */
.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: row;
}

.product-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.product-image {
    width: 220px;
    min-height: 220px;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.product-img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.product-card:hover .product-img-placeholder {
    transform: scale(1.08);
}

.product-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    transition: var(--transition);
}

.product-card:hover .product-thumb-img {
    transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent-red);
    color: #fff;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.product-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-name a {
    color: var(--text-primary);
    transition: var(--transition);
}

.product-name a:hover {
    color: var(--primary);
}

.product-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 12px;
    flex-wrap: wrap;
}

.product-serial {
    color: var(--text-light);
    background: var(--bg-gray);
    padding: 3px 10px;
    border-radius: 4px;
}

.product-type {
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 4px;
    font-weight: 500;
}

.product-features {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-red);
}

.btn-detail {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-detail:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

@media (max-width: 992px) {
    .category-title {
        font-size: 28px;
    }
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .product-image {
        width: 180px;
        min-height: 180px;
    }
    .product-info {
        padding: 20px;
    }
    .product-name {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .products-section {
        padding: 10px 0 40px;
    }
    .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .product-card {
        flex-direction: column;
    }
    .product-image {
        width: 100%;
        min-height: 180px;
        max-height: 220px;
    }
    .product-info {
        padding: 16px;
    }
    .product-name {
        font-size: 16px;
    }
    .product-price {
        font-size: 20px;
    }
    .product-features {
        font-size: 13px;
    }
    .product-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .btn-detail {
        width: 100%;
        text-align: center;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .category-title {
        font-size: 22px;
    }
    .category-desc {
        font-size: 14px;
    }
    .category-tabs .tab {
        padding: 8px 16px;
        font-size: 13px;
    }
    .product-image {
        min-height: 160px;
        max-height: 200px;
    }
    .product-info {
        padding: 12px;
    }
    .product-name {
        font-size: 15px;
    }
    .product-price {
        font-size: 18px;
    }
    .btn-detail {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* ========================================
   Pagination / 分页
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.page-btn:hover:not(.disabled):not(.active) {
    border-color: var(--primary);
    color: var(--primary);
}

.page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}