/* 主容器布局 */
    .content-wrapper {
        display: flex;
        gap: 40px;
        align-items: flex-start;
    }
    
    /* 侧边栏 */
    .sidebar {
        width: 260px;
        flex-shrink: 0;
        position: sticky;
        top: 140px;
    }
    
    .sidebar-header {
        margin-bottom: 20px;
    }
    
    .sidebar-title {
        font-size: 20px;
        font-weight: 600;
        color: var(--text-dark);
        padding-bottom: 15px;
        border-bottom: 2px solid var(--primary);
        position: relative;
    }
    
    .sidebar-title::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 60px;
        height: 2px;
        background: var(--accent);
    }
    
    .sidebar-nav {
        background: rgba(26, 26, 46, 0.8);
        border-radius: 12px;
        padding: 10px 0;
        box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
    }
    
    .sidebar-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .sidebar-list li {
        margin: 0;
    }
    
    .sidebar-list a {
        display: flex;
        align-items: center;
        padding: 14px 20px;
        color: var(--text-dark);
        text-decoration: none;
        transition: all 0.3s ease;
        font-size: 14px;
        border-left: 3px solid transparent;
    }
    
    .sidebar-list a:hover {
        background: var(--bg-light);
        color: var(--primary);
        border-left-color: var(--primary);
    }
    
    .sidebar-list a.active {
        background: rgba(0, 102, 204, 0.08);
        color: var(--primary);
        border-left-color: var(--primary);
    }
    
    .sidebar-list a i {
        width: 20px;
        font-size: 14px;
        color: var(--primary);
        margin-right: 12px;
    }
    
    /* 侧边栏联系框 */
    .sidebar-contact {
        margin-top: 20px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        border-radius: 12px;
        padding: 25px;
        color: #fff;
        text-align: center;
    }
    
    .contact-title {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 15px;
    }
    
    .contact-phone {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 8px;
    }
    
    .contact-desc {
        font-size: 13px;
        opacity: 0.85;
    }
    
    /* 主内容区 */
    .content-main {
        flex: 1;
        min-width: 0;
    }
    
    .content-header {
        margin-bottom: 30px;
    }
    
    .content-title {
        font-size: 28px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 10px 0;
    }
    
    .content-subtitle {
        font-size: 14px;
        color: var(--text-gray);
        margin: 0;
    }
    
    /* 产品网格 - 每行4个产品 */
    .product-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    
    /* 产品卡片 */
    .product-card {
        background: rgba(26, 26, 46, 0.8);
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 3px 15px rgba(0, 0, 0, 0.3);
        transition: all 0.35s ease;
        cursor: pointer;
    }
    
    .product-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 10px 30px rgba(0, 102, 204, 0.12);
    }
    
    .product-link {
        display: block;
        text-decoration: none;
        color: inherit;
    }
    
    .pl-product-image-wrapper {
        position: relative;
        width: 100%;
        height: 220px;
        overflow: hidden;
        background: var(--bg-light);
    }
    
    .pl-product-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    
    .product-card:hover .pl-product-image {
        transform: scale(1.1);
    }
    
    .pl-product-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
        padding: 30px 20px 15px;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.35s ease;
    }
    
    .product-card:hover .pl-product-overlay {
        opacity: 1;
        transform: translateY(0);
    }
    
    .pl-view-btn {
        display: inline-block;
        padding: 8px 20px;
        background: var(--primary);
        color: #fff;
        font-size: 13px;
        border-radius: 20px;
        transition: all 0.3s ease;
    }
    
    .pl-view-btn:hover {
        background: var(--accent);
    }
    
    .product-info {
        padding: 10px;
    }
    
    .product-title {
        font-size: 12px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 10px 0;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .product-card:hover .product-title {
        color: var(--primary);
    }
    
    .product-desc {
        font-size: 13px;
        color: var(--text-light);
        line-height: 1.6;
        margin: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    /* 空状态 */
    .empty-state {
        grid-column: 1 / -1;
        text-align: center;
        padding: 80px 20px;
    }
    
    .empty-icon {
        width: 80px;
        height: 80px;
        margin: 0 auto 20px;
        background: var(--bg-light);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .empty-icon i {
        font-size: 40px;
        color: var(--text-gray);
    }
    
    .empty-text {
        font-size: 16px;
        color: var(--text-gray);
        margin: 0;
    }
    
    /* 分页样式 */
    .pagination-wrapper {
        margin-top: 50px;
        display: flex;
        justify-content: center;
    }
    
    .pagination-wrapper .pagination {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination-wrapper ul {
        display: flex;
        list-style: none;
        padding: 0;
        margin: 0;
        gap: 5px;
    }
    
    .pagination-wrapper li,
    .pagination-wrapper .page-item {
        display: inline-flex;
    }
    
    .pagination-wrapper .page-link,
    .pagination-wrapper a,
    .pagination-wrapper span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        height: 40px;
        padding: 0 12px;
        background: rgba(26, 26, 46, 0.8);
        border: 1px solid var(--border);
        border-radius: 8px;
        color: var(--text-dark);
        font-size: 14px;
        text-decoration: none;
        transition: all 0.3s ease;
    }
    
    .pagination-wrapper .page-link:hover,
    .pagination-wrapper a:hover:not(.current) {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }
    
    .pagination-wrapper .page-item.active .page-link,
    .pagination-wrapper .active a,
    .pagination-wrapper .current {
        background: var(--primary) !important;
        border-color: var(--primary) !important;
        color: #fff !important;
    }
    
    .pagination-wrapper em {
        display: none;
    }
    
    .pagination-wrapper input[type="text"] {
        width: 55px;
        height: 40px;
        padding: 0 10px;
        border: 1px solid var(--border);
        border-radius: 8px;
        text-align: center;
        font-size: 14px;
    }
    
    .pagination-wrapper button {
        height: 40px;
        padding: 0 16px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        font-size: 14px;
        transition: background 0.3s ease;
    }
    
    .pagination-wrapper button:hover {
        background: var(--primary-dark);
    }
    
    /* 响应式设计 */
    @media (max-width: 1200px) {
        .product-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        
        .pl-product-image-wrapper {
            height: 200px;
        }
    }
    
    @media (max-width: 1024px) {
        .content-wrapper {
            flex-direction: column;
            gap: 30px;
        }
        
        .sidebar {
            width: 100%;
            position: static;
        }
        
        .sidebar-nav {
            overflow-x: auto;
        }
        
        .sidebar-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 15px;
        }
        
        .sidebar-list li {
            flex: 0 0 auto;
        }
        
        .sidebar-list a {
            border-radius: 8px;
            border-left: none;
            padding: 10px 16px;
            white-space: nowrap;
        }
        
        .sidebar-list a:hover,
        .sidebar-list a.active {
            border-left: none;
        }
        
        .sidebar-contact {
            display: none;
        }
        
        .product-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
    }
    
    @media (max-width: 768px) {
        .content-title {
            font-size: 22px;
        }
        
        .product-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        
        .pl-product-image-wrapper {
            height: 150px;
        }
        
        .product-info {
            padding: 15px;
        }
    }
    
    @media (max-width: 480px) {
        .product-grid {
            grid-template-columns: 1fr;
        }
        
        .pl-product-image-wrapper {
            height: 180px;
        }
    }