       :root {
            --accent: #fc9732;
            --accent-dark: #e0862a;
            --accent: #ffb366;
            --secondary: #2c3e50;
            --accent: #3498db;
            --text-dark: #333333;
            --text-medium: #666666;
            --text-light: #999999;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --border-light: #eaeaea;
            --border-medium: #dddddd;
            --shadow-light: 0 2px 10px rgba(0,0,0,0.05);
            --shadow-medium: 0 5px 15px rgba(0,0,0,0.1); 
            --shadow-heavy: 0 10px 30px rgba(0,0,0,0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --transition: all 0.3s ease;
            --transition-slow: all 0.5s ease;
        }

        /* 重置和基础样式 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            width: 100%;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .section {
            padding: 40px 0;
        }

        /* 横幅区域 */
        .hero-banner {
            background: url(/wp-content/uploads/2025/10/Product-Banner图.jpg) center/cover no-repeat;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.3);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 0 20px;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }

        .hero-divider {
            width: 80px;
            height: 4px;
            background: var(--accent);
            margin: 0 auto 20px;
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* 面包屑导航 */
        .breadcrumb {
            background: var(--bg-white);
            padding: 15px 0;
            box-shadow: var(--shadow-light);
            margin-bottom: 30px;
        }

        .breadcrumb-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .breadcrumb-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-medium);
        }

        .breadcrumb-links a:hover {
            color: var(--accent);
        }

        .breadcrumb-links span {
            color: var(--accent);
            font-weight: 600;
        }

        /* 主内容区域 */
        .product-layout {
            display: flex;
            gap: 30px;
            margin-bottom: 50px;
        }

        /* 侧边栏 */
        .sidebar {
            width: 25%;
            flex-shrink: 0;
        }

        .sidebar-header {
                background-color: #3498db;
            color: white;
            text-align: center;
            padding: 25px 15px;
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            box-shadow: var(--shadow-medium);
        }

        .sidebar-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 5px;
            letter-spacing: 0.5px;
        }

        .sidebar-subtitle {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .category-menu {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-light);
        }

        .menu-item {
            border-bottom: 1px solid var(--border-light);
        }

        .menu-item:last-child {
            border-bottom: none;
        }

        .menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            cursor: pointer;
            transition: var(--transition);
            background: var(--bg-white);
        }

        .menu-header:hover {
            background: var(--accent);
            color: white;
        }

        .menu-header.active {
            background: var(--accent);
            color: white;
        }

        .menu-header i {
            transition: var(--transition);
            font-size: 0.9rem;
        }

        /* 二级菜单默认展开 - 修改这里 */
        .menu-content {
            background: #f9f9f9;
            max-height: 1000px !important; /* 强制展开 */
            overflow: hidden;
        }

        .submenu {
            list-style: none;
        }

        /* 产品网格 */
        .product-grid {
            width: 75%;
        }

        .category-description {
            background: var(--bg-white);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-bottom: 25px;
            box-shadow: var(--shadow-light);
            line-height: 1.7;
            color: var(--text-medium);
        }

        .products {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-bottom: 40px;
        }

        .product-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-light);
            position: relative;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-heavy);
        }

        .product-image {
            
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
          
        }

        .product-image img {
            transition: var(--transition-slow);
            max-height: 100%;
            width: auto;
        }

        .product-card:hover .product-image img {
            transform: scale(1.08);
        }

        .product-info {
            padding: 20px;
        }

        .product-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 10px;
        }

        .product-title a {
            color: var(--text-dark);
            transition: var(--transition);
        }

        .product-card:hover .product-title a {
            color: var(--accent);
        }

        .product-action {
            text-align: center;
            padding-top: 10px;
        }

        .product-action a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--text-medium);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .product-action a:hover {
            color: var(--accent);
            gap: 8px;
        }

        .product-action a::after {
            content: "→";
            transition: transform 0.3s ease;
        }

        .product-action a:hover::after {
            transform: translateX(3px);
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 30px;
        }

        .page-numbers {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            border: 1px solid var(--border-medium);
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .page-numbers.current {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
        }

        .page-numbers:hover:not(.current) {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
        }

        /* 移动端分类菜单切换按钮 - 修改这里 */
        .mobile-category-toggle {
            display: none;
            background: var(--accent);
            color: white;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 20px;
            margin-bottom: 20px;
            width: 100%;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-category-toggle:hover {
            background: var(--accent-dark);
        }

        .mobile-category-toggle i {
            margin-left: 8px;
            transition: var(--transition);
        }

        .mobile-category-toggle.active i {
            transform: rotate(180deg);
        }

        /* 响应式设计 - 修改这里 */
        @media (max-width: 1200px) {
            .products {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .hero-title {
                font-size: 3rem;
            }
        }

        @media (max-width: 992px) {
            .product-layout {
                flex-direction: column;
            }
            
            .sidebar {
                width: 100%;
                order: 2;
            }
            
            .product-grid {
                width: 100%;
                order: 1;
            }
            
            .mobile-category-toggle {
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
            
            /* 手机端默认隐藏菜单 */
            .category-menu {
                display: none;
            }
            
            .category-menu.active {
                display: block;
            }
        }

        @media (max-width: 768px) {
            .hero-banner {
                height: 300px;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .products {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .breadcrumb-content {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }
            
            .section {
                padding: 30px 0;
            }
            
            .product-image {
                height: 180px;
            }
            .mobile-category-toggle{display:none}
            .sidebar{display:none}
        }

        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .product-card {
            animation: fadeInUp 0.5s ease forwards;
            opacity: 0;
        }

        .product-card:nth-child(1) { animation-delay: 0.1s; }
        .product-card:nth-child(2) { animation-delay: 0.2s; }
        .product-card:nth-child(3) { animation-delay: 0.3s; }
        .product-card:nth-child(4) { animation-delay: 0.4s; }
        .product-card:nth-child(5) { animation-delay: 0.5s; }
        .product-card:nth-child(6) { animation-delay: 0.6s; }

        /* 加载状态 */
        .loading {
            opacity: 0.7;
            pointer-events: none;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255,255,255,0.7);
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 重构后的CSS - 更精确的选择器 */
        .menu-item {
            border-bottom: 1px solid var(--border-light);
        }

        .menu-item:last-child {
            border-bottom: none;
        }

        .menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            cursor: pointer;
            transition: var(--transition);
            background: var(--bg-white);
        }

        .menu-header:hover {
            background: var(--accent);
            color: white;
        }

        .menu-header.active {
            background: var(--accent);
            color: white;
        }

        .menu-header i {
            transition: var(--transition);
            font-size: 0.9rem;
        }

        /* 二级菜单一直展开 - 修改这里 */
        .menu-content {
            background: #f9f9f9;
            max-height: 1000px !important; /* 强制展开 */
            overflow: visible !important; /* 确保内容可见 */
        }

        /* 二级菜单样式 */
        .submenu {
            list-style: none;
        }

        .submenu li {
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }

        .submenu li:last-child {
            border-bottom: none;
        }

        .submenu a {
            display: block;
            padding: 12px 20px 12px 40px;
            transition: var(--transition);
            color: var(--text-dark);
            font-size: 0.95rem;
            position: relative;
        }

        .submenu a:hover, 
        .submenu > li.active > a {
            background: var(--accent);
            color: white;
        }

        /* 二级菜单箭头样式 */
        .submenu a .fa-chevron-right {
            float: right;
            margin-top: 3px;
            transition: transform 0.3s ease;
            font-size: 0.8rem;
        }

        .submenu li:hover a .fa-chevron-right,
        .submenu li.active a .fa-chevron-right {
            transform: rotate(90deg);
        }

        /* 三级菜单样式 */
        .submenu-level-3 {
            list-style: none;
            background: #f8f8f8;
           
            margin: 0;
            display: none;
            border-top: 1px solid var(--border-light);
        }

        .submenu li:hover .submenu-level-3,
        .submenu li.active .submenu-level-3 {
            display: block;
        }

        .submenu-level-3 li {
            border-bottom: 1px solid #e8e8e8;
            background: #f8f8f8;
        }

        .submenu-level-3 li:last-child {
            border-bottom: none;
        }

        .submenu-level-3 a {
            padding: 10px 15px 10px 50px;
            font-size: 0.9rem;
            color: var(--text-medium);
            background: #f8f8f8;
        }

        .submenu-level-3 a:hover,
        .submenu-level-3 li.active a {
            background: var(--accent);
            color: white;
        }