/* 产品信息头部优化 */
    .product-header-info {
        background: #f9f9f9;
        padding: 20px;
        border-radius: 8px;
        margin-bottom: 30px;
        border-left: 4px solid #e74c3c;
    }
    
    .product-sku {
        color: #666;
        font-size: 14px;
        margin-bottom: 10px;
    }
    
    .product-price {
        font-size: 24px;
        color: #e74c3c;
        font-weight: bold;
        margin: 15px 0;
    }
    
    .product-price .unit {
        font-size: 14px;
        color: #999;
    }
    
    .product-stock {
        color: #27ae60;
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .product-stock i {
        margin-right: 5px;
    }
    
    /* 产品参数表格优化 */
    .product-specs-table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }
    
    .product-specs-table tr {
        border-bottom: 1px solid #eee;
    }
    
    .product-specs-table tr:nth-child(even) {
        background: #f9f9f9;
    }
    
    .product-specs-table td {
        padding: 12px 15px;
        vertical-align: top;
    }
    
    .product-specs-table td:first-child {
        width: 30%;
        font-weight: 600;
        color: #333;
        background: #f5f5f5;
    }
    
    /* 产品特色图标 */
    .product-features {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin: 30px 0;
    }
    
    .feature-item {
        flex: 1 0 200px;
        text-align: center;
        padding: 20px 15px;
        background: white;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        transition: transform 0.3s ease;
    }
    
    .feature-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .feature-icon {
        font-size: 36px;
        color: #e74c3c;
        margin-bottom: 15px;
        display: block;
    }
    
    .feature-title {
        font-weight: 600;
        margin-bottom: 10px;
        color: #333;
    }
    
    /* 应用场景 */
    .application-scenes {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin: 30px 0;
    }
    
    .scene-card {
        background: white;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        transition: transform 0.3s ease;
    }
    
    .scene-card:hover {
        transform: translateY(-5px);
    }
    
    .scene-image {
        height: 180px;
        overflow: hidden;
    }
    
    .scene-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    
    .scene-card:hover .scene-image img {
        transform: scale(1.05);
    }
    
    .scene-content {
        padding: 20px;
    }
    
    .scene-title {
        font-weight: 600;
        margin-bottom: 10px;
        color: #333;
    }
    
    /* 安装流程 */
    .installation-steps {
        counter-reset: step;
        margin: 30px 0;
    }
    
    .step-item {
        position: relative;
        padding-left: 60px;
        margin-bottom: 30px;
        padding-bottom: 20px;
        border-bottom: 1px dashed #eee;
    }
    
    .step-item:before {
        counter-increment: step;
        content: counter(step);
        position: absolute;
        left: 0;
        top: 0;
        width: 40px;
        height: 40px;
        background: #e74c3c;
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        font-size: 18px;
    }
    
    .step-title {
        font-weight: 600;
        margin-bottom: 10px;
        color: #333;
    }
    
    /* 常见问题 */
    .faq-section {
        margin: 40px 0;
    }
    
    .faq-item {
        background: white;
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }
    
    .faq-question {
        padding: 20px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: 600;
        color: #333;
        background: #f9f9f9;
        transition: background 0.3s ease;
    }
    
    .faq-question:hover {
        background: #f0f0f0;
    }
    
    .faq-question i {
        transition: transform 0.3s ease;
    }
    
    .faq-item.active .faq-question i {
        transform: rotate(180deg);
    }
    
    .faq-answer {
        padding: 0 20px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }
    
    .faq-item.active .faq-answer {
        padding: 20px;
        max-height: 500px;
    }
    
    /* 产品操作按钮组 */
    .product-action-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }
    
    .action-btn {
        display: inline-flex;
        align-items: center;
        padding: 10px 20px;
        border: 1px solid #ddd;
        border-radius: 4px;
        background: white;
        color: #333;
        text-decoration: none;
        transition: all 0.3s ease;
    }
    
    .action-btn:hover {
        background: #f5f5f5;
        border-color: #e74c3c;
        color: #e74c3c;
    }
    
    .action-btn i {
        margin-right: 8px;
    }
    
    .action-btn.primary {
        background: #e74c3c;
        border-color: #e74c3c;
        color: white;
    }
    
    .action-btn.primary:hover {
        background: #c0392b;
        border-color: #c0392b;
    }
    
    /* 产品标签 */
    .product-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }
    
    .product-tag {
        display: inline-block;
        padding: 5px 12px;
        background: #e9f7fe;
        color: #1890ff;
        border-radius: 4px;
        font-size: 12px;
        font-weight: 500;
    }
    
    /* 相关产品 */
    .related-products {
        margin: 20px 0;
    }
    .line3{  display: -webkit-box;
  -webkit-line-clamp: 4; /* 限制行数 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;}
    .related-product-card {
        background: white;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        transition: transform 0.3s ease;
        height: 100%;
    }
    
    .related-product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .related-product-image {
        height: 200px;
        overflow: hidden;
    }
    
    .related-product-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    
    .related-product-card:hover .related-product-image img {
        transform: scale(1.05);
    }
    
    .related-product-content {
        padding: 20px;
    }
    
    .related-product-title {
        font-weight: 600;
        margin-bottom: 10px;
        color: #333;
        font-size: 16px;
    }
    
    /* 响应式调整 */
    @media (max-width: 991px) {
        .product-features {
            gap: 15px;
        }
        
        .feature-item {
            flex: 1 0 45%;
        }
    }
    
    @media (max-width: 767px) {
        .feature-item {
            flex: 1 0 100%;
        }
        
        .application-scenes {
            grid-template-columns: 1fr;
        }
        
        .product-action-buttons {
            flex-direction: column;
        }
        
        .action-btn {
            width: 100%;
            justify-content: center;
        }
        
        .product-specs-table td {
            display: block;
            width: 100%;
            padding: 10px;
        }
        
        .product-specs-table td:first-child {
            width: 100%;
            font-weight: bold;
            background: #f9f9f9;
            border-bottom: none;
            padding-bottom: 5px;
        }
        
        .product-specs-table tr {
            border-bottom: 2px solid #eee;
            margin-bottom: 10px;
            display: block;
        }
    }
    
    @media (max-width: 480px) {
        .product-header-info {
            padding: 15px;
        }
        
        .product-price {
            font-size: 20px;
        }
        
        .step-item {
            padding-left: 50px;
        }
        
        .step-item:before {
            width: 35px;
            height: 35px;
            font-size: 16px;
        }
    }
    
    /* 动画效果 */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .animate-fade-in {
        animation: fadeInUp 0.5s ease forwards;
    }

.productleft{text-align: left;}