.product * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        .product body {
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        
        /* 容器样式 */
        .product-container {
            margin: 0 auto;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
        }
        
        /* 左侧导航栏 */
        .product-sidebar {
            width: 25%;
            padding-right: 20px;
        }
        
        /* 左侧标题区域 */
        .product-sidebar-header {
            background-color: #1e64bc;
            color: white;
            padding: 15px;
            border-radius: 0px 0px 0 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .product-sidebar-title {
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .product-sidebar-arrow {
            font-size: 1rem;
        }
        
        /* 左侧分类区域 */
        .product-categories {
            background-color: #f8f8f8;
            border-radius: 0 0 0px 0px;
            overflow: hidden;
        }
        
        .product-category-item {
            padding: 15px;
            border-bottom: 1px solid #e9ecef;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.2s;
        }
        
        .product-category-item:last-child {
            border-bottom: none;
        }
        
        .product-category-link {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            display: flex;
            justify-content: space-between;
            width: 100%;
            transition: color 0.2s;
        }
        
        .product-category-link:hover {
            color: #1e64bc;
        }
        
        /* 高亮选中状态 - 添加背景色变化 */
        .product-category-link.active {
            color: #1e64bc;
            font-weight: 600;
        }
        
        .product-category-item.active {
            background-color: #e8f1ff; /* 选中时的浅蓝色背景 */
            position: relative;
        }
        
        /* 选中状态下的左侧指示条 */
        .product-category-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 4px;
            background-color: #1e64bc;
        }
        
        /* 高亮选中状态 - 箭头颜色变化 */
        .product-category-link.active .product-category-arrow {
            color: #1e64bc;
            transform: translateX(2px); /* 轻微右移增加动态感 */
        }
        
        .product-category-arrow {
            color: #6c757d;
            font-size: 0.8rem;
            transition: color 0.2s, transform 0.2s;
        }
        
        /* 右侧内容区域 */
        .product-content {
            width: 75%;
        }
        
        /* 当前位置导航 */
        .product-breadcrumb {
            font-size: 1rem;
            color: #333333;
            margin-bottom: 10px;
        }
        
        .product-breadcrumb a {
            color: #333333;
            text-decoration: none;
        }
        
        .product-breadcrumb a:hover {
            text-decoration: underline;
        }
        
        /* 分隔线 */
        .product-divider {
            height: 2px;
            width: 100%;
            display: flex;
            margin-bottom: 30px;
        }
        
        .product-divider-blue {
            height: 100%;
            width:15%;
            background-color: #1e64bc;
        }
        
        .product-divider-gray {
            height: 100%;
            width: 85%;
            background-color: #e9ecef;
        }
        
        /* 产品网格 - 使用Flex布局替代Grid */
        .product-grid {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -10px; /* 负边距抵消产品项的内边距 */
        }
        
        .product-item {
            background-color: white;
            border-radius: 0px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            width: calc(25% - 20px); /* 4列布局 */
            margin: 0 10px 20px; /* 替代gap属性 */
        }
        
        .product-item-link {
            display: block;
            text-decoration: none;
            color: #333;
        }
        
        .product-item-image {
            width: 100%;
            height: 220px;
            overflow: hidden;
            position: relative;
			border:#eeeeee 1px solid;
        }
        
        .product-item-image img {
            width: 100%;
            height: 100%;
            object-fit0: cover;
            transition: transform 0.4s;
        }
        
        .product-item-title {
            padding: 15px;
            text-align: center;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .product-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
        }
        
        .product-item:hover .product-item-image img {
            transform: scale(1.08);
        }
        
        .product-item:hover .product-item-title {
            background-color: #1e64bc;
            color: white;
        }
        
        /* 平板端响应式 */
        @media (max-width: 992px) {
            .product-sidebar {
                width: 35%;
            }
            
            .product-content {
                width: 65%;
            }
            
            /* 平板端3列布局 */
            .product-item {
                width: calc(33.333% - 20px); /* 3列布局 */
            }
        }
        
        /* 移动端响应式 */
        @media (max-width: 768px) {
            .product-container {
                flex-direction: column;
            }
            
            .product-sidebar {
                width: 100%;
                padding-right: 0;
                margin-bottom: 25px;
            }
            
            .product-content {
                width: 100%;
            }
            
            /* 移动端分类2列显示 */
            .product-categories {
                display: flex;
                flex-wrap: wrap;
                background-color: #dee2e6;
            }
            
            .product-category-item {
                background-color: #f1f3f5;
                margin: 0;
                border: none;
                width: 50%; /* 2列布局 */
                border-right: 1px solid #dee2e6;
                border-bottom: 1px solid #dee2e6;
            }
            
            /* 去除最后一行的边框 */
            .product-category-item:nth-child(odd):last-child,
            .product-category-item:nth-child(even):last-child {
                border-bottom: 1px solid #dee2e6;
            }
            
            /* 右侧边框处理 */
            .product-category-item:nth-child(odd) {
                border-right: 1px solid #dee2e6;
            }
            
            .product-category-item:nth-child(even) {
                border-right: none;
            }
            
            /* 移动端选中状态调整 */
            .product-category-item.active::before {
                width: 3px;
            }
            
            /* 移动端2列布局 */
            .product-item {
                width: calc(50% - 20px); /* 2列布局 */
            }
            
            .product-item-title {
                font-size: 0.9rem;
                padding: 12px 8px;
            }
            
            .product-sidebar-title {
                font-size: 1.1rem;
            }
            
            .product-breadcrumb {
                font-size: 0.85rem;
            }
        }
        
        /* 小屏幕移动端优化 */
        @media (max-width: 480px) {
            .product-item {
                width: calc(50% - 10px); /* 调整间距 */
                margin: 0 5px 12px;
            }
            
            .product-item-image {
                height: 150px;
            }
            
            .product-category-item {
                padding: 12px 10px;
            }
            
            .product-category-link {
                font-size: 0.9rem;
            }
            
            /* 超小屏幕单列布局 */
            @media (max-width: 360px) {
                .product-item {
                    width: calc(100% - 10px); /* 单列布局 */
                }
            }
        }
        
        /* 页面标题 */
        .product-main-title {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        
        /* 兼容性优化：清除浮动 */
        .product-grid:after {
            content: "";
            display: table;
            clear: both;
        }
		
		
  .productv-container {

            margin: 0 auto;
            padding: 20px 0;
            box-sizing: border-box;
        }

        .productv-row {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -15px;
        }

        .productv-left,
        .productv-right {
            padding: 0 15px;
            box-sizing: border-box;
        }

        .productv-left {
            width: 45%;
        }

        .productv-right {
            width: 55%;
        }

        .productv-image-wrapper {
            position: relative;
            width: 100%;
            padding-bottom: 100%; /* 1:1 比例 */
            border: 1px solid #e0e0e0;
            border-radius: 0px;
            overflow: hidden;
            background-color: #f9f9f9;
        }

        .productv-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .productv-title {
            font-size: 28px;
            font-weight: 700;
            color: #333;
            margin: 0 0 15px 0;
            line-height: 1.2;
        }

        .productv-description {
            font-size: 16px;
            color: #666;
            line-height: 1.6;
            margin: 0 0 20px 0;
        }

        .productv-info-item {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
            font-size: 15px;
            color: #555;
        }

        .productv-info-item i {
            width: 20px;
            color: #777;
            margin-right: 10px;
            text-align: center;
        }

        .productv-info-label {
            font-weight: 600;
            margin-right: 5px;
        }

        .productv-qrcode {
            margin-top: 25px;
            max-width: 180px;
            border: 1px solid #eee;
            border-radius: 6px;
            padding: 8px;
            background-color: #fff;
        }

        .productv-qrcode img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 平板端适配 */
        @media (max-width: 1024px) {
            .productv-title {
                font-size: 24px;
            }
            
            .productv-description {
                font-size: 15px;
            }
        }

        /* 手机端适配 */
        @media (max-width: 768px) {
            .productv-left,
            .productv-right {
                width: 100%;
            }
            
            .productv-left {
                margin-bottom: 25px;
            }
            
            .productv-title {
                font-size: 22px;
            }
            
            .productv-description {
                display: none; /* 手机端隐藏描述 */
            }
            
            .productv-info-item {
                font-size: 14px;
            }
            
            .productv-qrcode {
                max-width: 120px;
            }
        }

        /* 小手机适配 */
        @media (max-width: 480px) {
            .productv-container {
                padding: 15px;
            }
            
            .productv-title {
                font-size: 20px;
            }
            
            .productv-info-item {
                margin-bottom: 10px;
            }
        }
		
		        .pro_txt-container {
            margin: 20px auto;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            overflow: hidden;
        }
        /* 标签栏样式 */
        .pro_txt-tab {
            display: flex;
            border-bottom: 1px solid #e0e0e0;
        }
        .pro_txt-tab-item {
            padding: 12px 24px;
            font-size: 20px;
            color: #1e64bc;
            border-bottom: 3px solid #1e64bc;
            background-color: #fff;
            cursor: default;
        }
        /* 内容区域样式 */
        .pro_txt-content {
            padding: 40px 24px;
            line-height: 2.2;
            color: #333;
        }
        .pro_txt-title {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 12px;
        }
        .pro_txt-param-item {
            font-size: 16px;
            margin: 6px 0;
        }
        /* 响应式适配 */
        @media (max-width: 768px) {
            .pro_txt-tab-item {
                padding: 10px 18px;
                font-size: 18px;
            }
            .pro_txt-content {
                padding: 24px 16px;
            }
            .pro_txt-title {
                font-size: 14px;
            }
            .pro_txt-param-item {
                font-size: 14px;
            }
        }