/* banner设计 */
        .support-hero {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
            color: var(--white);
            padding: 160px 0 25px;
            text-align: center;
            margin-top: var(--header-height);
        }
        
        .support-hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .support-hero p {
            font-size: 1.2rem;
            max-width: 1000px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
		  .breadcrumb {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
		    margin: 0 10px;
            color: rgba(255, 255, 255, 0.6);
        }
        
        .breadcrumb a:hover {
            color: var(--white);
        }
        
        .breadcrumb span {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.6);
        }  

		/* 产品列表页特定样式 */
        .product-categories{
		 margin-top: 30px;
		}
        .flow-categories {
            padding: 60px 0;
            background: var(--white);
        }
        
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .category-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .category-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--hover-shadow);
        }
        
        .category-image {
            height: 200px;
            background-color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .category-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        .category-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .category-content h3 {
		    text-align: center;
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        
        .category-content p {
            color: var(--mid-text);
            line-height: 1.6;
            flex-grow: 1;
        }
        
        .category-features {
            list-style: none;
            margin: 20px 0;
        }
        
        .category-features li {
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px dashed var(--border-color);
        }
        
        .category-features li:last-child {
            border-bottom: none;
        }
        
        .category-features em {
            color: var(--accent);
        }
        
        .category-link {
            display: inline-flex;
            align-items: center;
            padding: 12px 24px;
            background: var(--primary-blue);
            color: var(--white);
            border-radius: 6px;
            font-weight: 500;
            transition: var(--transition);
            margin-top: auto;
            justify-content: center;
            gap: 8px;
        }
        
        .category-link:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
        }
        
        .products-section {
            background: var(--light-bg);
            padding: 20px 0;
        }
        
        .product-filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 50px;
        }
        
        .filter-btn {
            padding: 12px 28px;
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
            font-size: 15px;
        }
        
        .filter-btn.active, 
        .filter-btn:hover {
            background: var(--primary-blue);
            color: var(--white);
            border-color: var(--primary-blue);
            box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--hover-shadow);
        }
        
        .product-img {
            height: 240px;
            background-color: #eef2f7;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .product-img img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        .product-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: var(--white);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 500;
        }
        
        .product-info {
            padding: 25px;
            border-top: 3px solid var(--primary-blue);
        }
        
        .product-info h3 {
            text-align: center;
            color: var(--primary-dark);
            margin-bottom: 10px;
            font-size: 1.4rem;
        }
        
        .product-info p {
            color: var(--mid-text);
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        .product-specs {
            display: flex;
            margin: 20px 0;
            padding: 20px 0;
            border-top: 1px dashed #eee;
            border-bottom: 1px dashed #eee;
        }
        
        .spec {
            flex: 1;
            text-align: center;
            padding: 0 10px;
        }
        
        .spec-value {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--accent);
        }
        
        .spec-label {
            font-size: 0.85rem;
            color: var(--light-text);
        }
        
        .product-actions {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
        }
        
        .btn-small {
            padding: 10px 20px;
            font-size: 14px;
        }
        
        .technical-support {
            background: var(--white);
            padding: 80px 0;
            text-align: center;
        }
        
        .support-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .support-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        
        .support-feature {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
        }
        
        .support-feature:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-shadow);
        }
        
        .support-icon {
            width: 70px;
            height: 70px;
            background: rgba(0, 102, 204, 0.1);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary-blue);
            font-size: 28px;
        }
        
        .support-feature h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--primary-dark);
        }
        
        .support-feature p {
            color: var(--mid-text);
            line-height: 1.6;
        }
        
        /* 应用场景部分 */
        .applications-section {
            padding:20px 0;
            background: linear-gradient(to right, #f8f9fa 50%, var(--primary-blue) 50%);
        }
        
        .applications-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 500px;
        }
        
        .applications-content {
            padding: 60px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .applications-content h2 {
            font-size: 2.2rem;
            color: var(--primary-dark);
            margin-bottom: 30px;
        }
        
        .application-item {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .app-icon {
            width: 50px;
            height: 50px;
            background: rgba(0, 102, 204, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 20px;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .app-content h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--primary-dark);
        }
        
        .app-content p {
            color: var(--mid-text);
            line-height: 1.6;
        }
        
        .applications-visual {
            background: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px;
            color: white;
        }
        
        .visual-content {
            text-align: center;
            max-width: 400px;
        }
        
        .visual-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        
        .visual-content p {
            margin-bottom: 30px;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
            
            .page-hero p {
                font-size: 1.1rem;
            }
            
            .categories-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 20px;
            }
            
            .products-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 20px;
            }
            
            .applications-container {
                grid-template-columns: 1fr;
            }
            
            .applications-section {
                background: #f8f9fa;
            }
            
            .applications-visual {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
		    .support-hero {
           padding: 100px 0 8px;
           }
            .section {
                padding: 60px 0;
            }
            
            .page-hero {
                padding: 60px 0;
            }
            
            .page-hero h1 {
                font-size: 1.8rem;
            }
            
            .product-filters {
                gap: 8px;
            }
            
            .filter-btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            
            .product-specs {
                flex-direction: column;
                gap: 15px;
            }
            
            .spec {
                display: flex;
                justify-content: space-between;
                align-items: center;
                text-align: left;
                padding: 10px 0;
            }
            
            .spec-value, .spec-label {
                margin: 0;
            }
            
            .product-actions {
                flex-direction: column;
                gap: 10px;
            }
            
            .support-features {
                grid-template-columns: 1fr;
            }
            
            .applications-content {
                padding: 40px 20px;
            }
            
            .applications-content h2 {
                font-size: 1.8rem;
            }
        }
        
        @media (max-width: 576px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            
            .categories-grid {
                grid-template-columns: 1fr;
            }
            
            .products-grid {
                grid-template-columns: 1fr;
            }
            
            .category-image {
                height: 180px;
            }
            
            .product-img {
                height: 200px;
            }
        }