/* 现有样式保持不变 */
    
    /* 标签云样式 */
    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .tag-item {
        display: inline-block;
        padding: 4px 10px;
        background-color: #f3f4f6;
        border-radius: 4px;
        color: #4b5563;
        transition: all 0.2s ease;
    }
    
    .tag-item:hover {
        background-color: #1e40af;
        color: white;
    }
    
    .popular-posts li {
        position: relative;
        padding-left: 15px;
    }
    
    .popular-posts li:before {
        content: "";
        position: absolute;
        left: 0;
        top: 8px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background-color: #1e40af;
    }
    
    @media (max-width: 768px) {
        .tag-cloud {
            gap: 6px;
        }
        
        .tag-item {
            padding: 3px 8px;
            font-size: 12px;
        }
    }

.banner-overlay {
        background: rgba(0, 0, 0, 0.4);
    }

    .sidebar-menu a {
        display: block;
        padding: 10px 15px;
        color: #333;
        text-decoration: none;
        transition: all 0.3s;
    }

    .sidebar-menu a:hover {
        background: #f0f0f0;
        color: #1e40af;
    }

    .sidebar-menu .active {
        background: #1e40af;
        color: white;
    }

    .product-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .product-card {
        background: white;
        border-radius: 8px;
        overflow: hidden;
        transition: transform 0.3s ease;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .product-card:hover {
        transform: translateY(-4px);
    }

    .category-item {
        padding: 12px 16px;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .category-item:hover {
        background-color: #F3F4F6;
    }

    .subcategory {
        padding-left: 24px;
    }

    .pagination-button {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        border: 1px solid #e2e8f0;
        background-color: white;
        cursor: pointer;
        transition: all 0.2s;
    }

    .pagination-button:hover {
        background-color: #f1f5f9;
    }

    .pagination-button.active {
        background-color: #3B82F6;
        color: white;
        border-color: #3B82F6;
    }

    .pagination-button i {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 16px;
        height: 16px;
    }