/* Banner 样式 */
        .product-banner {
            position: relative;
            width: 100%;
            min-height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            text-align: center;
            overflow: hidden;
            isolation: isolate;
        }

        /* 背景图容器 */
        .banner-bg-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2;
            overflow: hidden;
        }
        
        .banner-bg {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }
        
        .bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(20, 0, 0, 0.7));
            z-index: -1;
        }

        .banner-content {
            position: relative;
            max-width: 1200px;
            padding: 0 20px;
            z-index: 2;
        }

        .banner-content h1 {
            font-size: 4.5rem;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 5px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            line-height: 1.1;
        }

        .banner-content h1 span {
            color: #e53935;
            text-transform: uppercase;
        }

        .banner-content p {
            font-size: 1.5rem;
            max-width: 700px;
            margin: 0 auto 2.5rem;
            font-weight: 300;
            line-height: 1.6;
        }
        
        .cta-button {
            display: inline-block;
            padding: 15px 35px;
            font-size: 1.2rem;
            font-weight: 600;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #fff;
            background-color: #e53935;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(229, 57, 53, 0.4);
        }
        
        .cta-button:hover {
            background-color: #c62828;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(229, 57, 53, 0.5);
        }

        .banner-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 150px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            z-index: 1;
        }

        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }

        .tractor-silhouette {
            position: absolute;
            bottom: -20px;
            left: 0;
            width: 250px;
            opacity: 0.5;
            z-index: 1;
            animation: float 8s ease-in-out infinite;
        }
        
        /* 其他装饰元素 */
        .decor-circle {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            border: 1px solid rgba(229, 57, 53, 0.2);
            top: 50%;
            right: 10%;
            transform: translateY(-50%);
            z-index: 0;
        }
        
        .decor-circle::before,
        .decor-circle::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            border: 1px solid rgba(229, 57, 53, 0.1);
            top: 0;
            left: 0;
        }
        
        .decor-circle::before {
            transform: scale(1.2);
        }
        
        .decor-circle::after {
            transform: scale(1.4);
        }

        /* 移动端适配 */
        @media (max-width: 992px) {
            .product-banner {
                min-height: 400px;
            }
            
            .banner-content h1 {
                font-size: 3.5rem;
            }
            
            .banner-content p {
                font-size: 1.3rem;
            }
            
            .tractor-silhouette {
                width: 180px;
            }
            
            .decor-circle {
                width: 450px;
                height: 450px;
                right: -20%;
            }
        }

        @media (max-width: 768px) {
            .product-banner {
                min-height: 350px;
            }
            
            .banner-content h1 {
                font-size: 2.5rem;
                line-height: 1.2;
                letter-spacing: 3px;
            }
            
            .banner-content p {
                font-size: 1.1rem;
                margin-bottom: 2rem;
            }
            
            .tractor-silhouette {
                width: 130px;
            }
            
            .decor-circle {
                width: 350px;
                height: 350px;
                right: -30%;
            }
        }

        @media (max-width: 576px) {
            .banner-content h1 {
                font-size: 2rem;
                letter-spacing: 2px;
            }
            
            .banner-content p {
                font-size: 1rem;
            }
            
            .tractor-silhouette {
                display: none;
            }
            
            .decor-circle {
                display: none;
            }
            
            .cta-button {
                padding: 12px 28px;
                font-size: 1rem;
            }
        }
/* 面包屑导航和搜索框容器 */
        .breadcrumb-search-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 5%;
            background-color: #fff;
            border-bottom: 1px solid #eaeaea;
            flex-wrap: wrap;
            position: relative;
            z-index: 100;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            display: flex;
            align-items: center;
            font-size: 14px;
            color: #666;
            padding: 8px 0;
        }
        
        .breadcrumb a {
            color: #e53935;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .breadcrumb a:hover {
            color: #b71c1c;
            text-decoration: underline;
        }
        
        .breadcrumb span {
            margin: 0 8px;
            color: #999;
        }
        
        .breadcrumb .current {
            color: #333;
            font-weight: 600;
        }
        
        /* 搜索框区域 */
        .search-box-container {
            display: flex;
            align-items: center;
            position: relative;
            width: 320px;
            max-width: 100%;
        }
        
        .search-box {
            width: 100%;
            padding: 10px 15px 10px 40px;
            border: 1px solid #ddd;
            border-radius: 30px;
            font-size: 14px;
            color: #333;
            background-color: #f9f9f9;
            transition: all 0.3s ease;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .search-box:focus {
            outline: none;
            border-color: #e53935;
            background-color: #fff;
            box-shadow: 0 2px 8px rgba(229, 57, 53, 0.2);
        }
        
        .search-icon {
            position: absolute;
            left: 15px;
            color: #999;
            pointer-events: none;
        }
        
        .search-btn {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: #e53935;
            color: white;
            border: none;
            border-radius: 30px;
            padding: 8px 16px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .search-btn:hover {
            background: #c62828;
        }
        
        /* 移动端适配 */
        @media (max-width: 768px) {
            .breadcrumb-search-container {
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 5%;
            }
            
            .breadcrumb {
                margin-bottom: 12px;
                width: 100%;
            }
            
            .search-box-container {
                width: 100%;
            }
        }
        
        @media (max-width: 480px) {
            .breadcrumb {
                font-size: 13px;
            }
            
            .search-box {
                padding: 8px 15px 8px 38px;
                font-size: 13px;
            }
            
            .search-btn {
                padding: 6px 14px;
                font-size: 13px;
            }
        }
/* 主体区域样式 */
        .product-list-container {
            display: flex;
            max-width: 1600px;
            margin: 0 auto;
            padding: 20px;
            gap: 30px;
        }
		/* 新增的标题样式 */
		.sidebar-title {
		    background-color: #000;
		    color: #fff;
		    padding: 18px 20px;
		    font-size: 1.5rem;
		    font-weight: 700;
		    text-transform: uppercase;
		    letter-spacing: 1.5px;
		    border-bottom: 3px solid #e53935;
		    margin-bottom: 15px;
		    position: relative;
		    overflow: hidden;
		    border-radius: 8px 8px 0 0;
		    margin: -20px -20px 20px -20px; /* 抵消侧边栏padding */
		}
		
		.sidebar-title::before {
		    content: "";
		    position: absolute;
		    top: 0;
		    left: 0;
		    width: 5px;
		    height: 100%;
		    background-color: #e53935;
		}
		
		.alic-brand {
		    color: #e53935;
		    font-weight: 800;
		    letter-spacing: 0;
		    margin-right: 5px;
		    text-shadow: 0 0 8px rgba(229, 57, 53, 0.6);
		}
        /* 左侧导航菜单样式 */
        .sidebar {
            flex: 0 0 280px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            padding: 20px;
        }
		
        .side-menu {
            list-style: none;
            padding: 0;
            margin: 0;
        }
		
        .menu-item {
            margin-bottom: 10px;
            border-bottom: 1px solid #eee;
        }

        .menu-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 15px;
            color: #333;
            text-decoration: none;
            font-weight: 600;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .menu-link:hover {
            background-color: #f8f9fa;
            color: #e53935;
        }

        .menu-link i {
            transition: transform 0.3s ease;
        }

        .menu-link.active i {
            transform: rotate(180deg);
        }

        .sub-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .sub-menu.show {
            max-height: 1000px;
        }

        .sub-menu-item {
            margin: 5px 0;
        }

        .sub-menu-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 15px 10px 25px;
            color: #555;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .sub-menu-link:hover {
            background-color: #f1f3f5;
            color: #e53935;
        }

        .nested-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .nested-menu.show {
            max-height: 1000px;
        }

        .nested-menu li {
            padding: 8px 15px 8px 40px;
        }

        .nested-menu a {
            display: block;
            color: #666;
            text-decoration: none;
            font-size: 13px;
            transition: all 0.2s ease;
        }

        .nested-menu a:hover {
            color: #e53935;
            padding-left: 5px;
        }

        /* 右侧产品展示区样式 */
        .product-grid {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .product-card {
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .product-img {
            position: relative;
            width: 100%;
            padding-top: 100%; /* 1:1 Aspect Ratio */
            background-color: #f8f9fa;
            overflow: hidden;
        }

        .product-img img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            padding: 15px;
            transition: transform 0.3s ease;
        }

        .product-card:hover .product-img img {
            transform: scale(1.05);
        }

        .product-info {
            padding: 15px;
        }

        .product-name {
            font-size: 14px;
            font-weight: 600;
            color: #333;
            margin: 0 0 12px 0;
            height: 40px;
            overflow: hidden;
            /*text-align: center;*/
        }

        .product-buttons {
            display: flex;
            justify-content: space-between;
        }

        .add-to-basket {
            flex: 1;
            background: #e53935;
            color: white;
            border: none;
            padding: 8px;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .add-to-basket:hover {
            background: #c62828;
        }
        /* 添加弹窗样式 */
        .message-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .message-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .message-popup {
            background: white;
            border-radius: 10px;
            width: 90%;
            max-width: 500px;
            padding: 30px;
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transform: translateY(-20px);
            transition: transform 0.3s ease;
        }

        .message-overlay.active .message-popup {
            transform: translateY(0);
        }

        .close-popup {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 24px;
            background: none;
            border: none;
            cursor: pointer;
            color: #666;
        }

        .popup-header {
            margin-bottom: 20px;
            border-bottom: 1px solid #eee;
            padding-bottom: 15px;
        }

        .popup-header h3 {
            margin-top: 0;
            color: #1B2D6B;
            font-size: 24px;
        }

        .product-info-container {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            padding: 15px;
            background: #f9f9f9;
            border-radius: 8px;
        }

        .product-thumb {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            margin-right: 15px;
        }

        .product-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .product-details h4 {
            margin: 0 0 5px;
            color: #9c0000;
        }

        .product-details p {
            margin: 0;
            color: #666;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #333;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #9c0000;
            outline: none;
        }

        .submit-btn {
            background: #9c0000;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 16px;
            width: 100%;
            transition: background 0.3s;
        }

        .submit-btn:hover {
            background: #800000;
        }

        /* 添加动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideUp {
            from { transform: translateY(20px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        .message-popup {
            animation: slideUp 0.4s ease forwards;
        }
        /* 产品卡片按钮样式增强 */
        .product-buttons .message-btn {
            background: #1B2D6B;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
            
            align-items: center;
            gap: 5px;
        }

        .product-buttons .message-btn:hover {
            background: #0F1C44;
            transform: translateY(-2px);
        }
        .message-btn {
            flex: 1;
            margin-left: 10px;
            background: #f8f9fa;
            color: #555;
            border: 1px solid #ddd;
            padding: 8px;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .message-btn:hover {
            background: #e9ecef;
            border-color: #ccc;
        }

        .pagination {
            grid-column: 1 / -1;
            
            margin-top: 30px;
            padding: 20px 0;
        }

        .pagination button {
            margin: 0 5px;
            padding: 8px 15px;
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .pagination button.active,
        .pagination button:hover {
            background: #e53935;
            color: white;
            border-color: #e53935;
        }

        /* 移动端适配 */
        @media (max-width: 1200px) {
            .product-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 992px) {
            .product-list-container {
                flex-direction: column;
            }
            
            .sidebar {
                flex: 0 0 auto;
                width: 100%;
            }
            
            .product-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
         /* 响应式调整 */
        @media (max-width: 600px) {
            .message-popup {
                padding: 20px;
            }
            
            .product-info-container {
                flex-direction: column;
                text-align: center;
            }
            
            .product-thumb {
                margin-right: 0;
                margin-bottom: 10px;
            }
        }

        @media (max-width: 480px) {
            .product-grid {
                grid-template-columns: 1fr;
            }
            
            .product-buttons {
                flex-direction: column;
            }
            
            .message-btn {
                margin-left: 0;
                margin-top: 10px;
            }
        }
/* 购物车容器样式 */
        .cart-container {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
        }
        
        /* 购物车图标 */
        .cart-icon {
            background-color: #e53935;
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .cart-icon:hover {
            background-color: #c62828;
            transform: translateY(-3px);
        }
        
        .cart-icon i {
            font-size: 24px;
        }
        
        /* 购物车数量徽标 */
        .cart-badge {
            position: absolute;
            top: -5px;
            right: -5px;
            background-color: #ff9800;
            color: white;
            font-size: 12px;
            font-weight: bold;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        /* 购物车内容区域 */
        .cart-content {
            position: absolute;
            bottom: 70px;
            right: 0;
            width: 350px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: all 0.4s ease;
        }
        
        .cart-content.open {
            max-height: 500px;
            opacity: 1;
        }
        
        /* 购物车标题 */
        .cart-header {
            background-color: #333;
            color: white;
            padding: 15px 20px;
            border-radius: 8px 8px 0 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .cart-title {
            font-size: 18px;
            font-weight: 600;
        }
        
        .close-cart {
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            font-size: 18px;
        }
        
        /* 购物车列表 */
        .cart-items {
            max-height: 350px;
            overflow-y: auto;
            padding: 15px;
        }
        
        .cart-item {
            display: flex;
            padding: 12px;
            border-bottom: 1px solid #eee;
            position: relative;
        }
        
        .cart-item:last-child {
            border-bottom: none;
        }
        
        .cart-item-image {
            width: 70px;
            height: 70px;
            margin-right: 15px;
            border-radius: 4px;
            overflow: hidden;
            background-color: #f9f9f9;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .cart-item-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        .cart-item-details {
            flex: 1;
        }
        
        .cart-item-title {
            font-weight: 600;
            margin-bottom: 5px;
            color: #333;
        }
        
        .cart-item-delete {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background-color: #f5f5f5;
            color: #666;
            border: none;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            cursor: pointer;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .cart-item:hover .cart-item-delete {
            opacity: 1;
        }
        
        .cart-item-delete:hover {
            background-color: #e53935;
            color: white;
        }
        .cart-item-quantity {
            display: flex;
            align-items: center;
            margin-top: 8px;
        }
        .quantity-btn {
            width: 28px;
            height: 28px;
            background-color: #f5f5f5;
            border: 1px solid #ddd;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        .quantity-btn:hover {
            background-color: #e53935;
            color: white;
            border-color: #e53935;
        }
        
        .cart-item-quantity span {
            margin: 0 10px;
            font-weight: 500;
        }
        /* 新增：禁用状态样式 */
        .quantity-btn.disabled {
            opacity: 0.5;
            cursor: not-allowed;
            background-color: #f9f9f9;
        }
        
        .quantity-btn.disabled:hover {
            background-color: #f9f9f9;
            color: #666;
            border-color: #ddd;
        }
        
        /* 优化：悬停时删除按钮显示 */
        .cart-item:hover .cart-item-delete {
            opacity: 1;
        }

        /* 购物车底部 */
        .cart-footer {
            padding: 15px;
            border-top: 1px solid #eee;
            display: flex;
            justify-content: space-between;
        }
        
        .cart-btn {
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .empty-btn {
            background-color: #f5f5f5;
            color: #666;
        }
        
        .empty-btn:hover {
            background-color: #e53935;
            color: white;
        }
        
        .inquiry-btn {
            background-color: #4caf50;
            color: white;
        }
        
        .inquiry-btn:hover {
            background-color: #388e3c;
        }
        
        /* 空购物车提示 */
        .empty-cart-message {
            text-align: center;
            padding: 40px 20px;
            color: #888;
        }
        
        .empty-cart-message i {
            font-size: 48px;
            margin-bottom: 15px;
            display: block;
            color: #e0e0e0;
        }
        
        /* 响应式设计 */
        @media (max-width: 480px) {
            .cart-container {
                bottom: 20px;
                right: 20px;
            }
            
            .cart-icon {
                width: 50px;
                height: 50px;
            }
            
            .cart-content {
                width: 300px;
            }
        }