body {
            padding-top: 80px; /* 为固定导航栏留出空间 */
        }

        
        /* 导航菜单样式 - 所有类名添加head_menu前缀 */
        .head_menu-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        .head_menu-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 0px;
            height: 80px;
        }
        
        /* Logo样式 */
        .head_menu-logo {
            display: flex;
            align-items: center;
            height: 100%;
        }
        
        .head_menu-logo img {
            max-height: 60px;
            width: auto;
        }
        
        /* 桌面端导航菜单 */
        .head_menu-desktop {
            display: flex;
            align-items: center;
        }
        
        /* 一级分类样式 */
        .head_menu-primary-list {
            display: flex;
            list-style: none;
            margin-right: 30px;
        }
        
        .head_menu-primary-item {
            position: relative;
            margin: 0 15px;
        }
        
        .head_menu-primary-link {
            display: block;
            padding: 10px 0;
            text-decoration: none;
            color: #333;
            font-weight: 500;
            font-size: 16px;
            position: relative;
            transition: color 0.3s;
        }
        
        .head_menu-primary-link:hover {
            color: #009640;
        }
        
        /* 一级分类下划线动画 */
        .head_menu-underline {
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: #009640;
            transition: width 0.3s ease;
        }
        
        .head_menu-primary-item:hover .head_menu-underline {
            width: 100%;
        }
        
        /* 二级分类样式 */
        .head_menu-secondary-container {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: #fff;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            min-width: 200px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 100;
            padding: 10px 0;
        }
        
        .head_menu-primary-item:hover .head_menu-secondary-container {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .head_menu-secondary-list {
            list-style: none;
        }
        
        .head_menu-secondary-item {
            border-bottom: 1px solid #eee;
        }
        
        .head_menu-secondary-item:last-child {
            border-bottom: none;
        }
        
        .head_menu-secondary-link {
            display: block;
            padding: 12px 20px;
            text-decoration: none;
            color: #555;
            font-size: 14px;
            transition: all 0.2s;
        }
        
        .head_menu-secondary-link:hover {
            background-color: #f9f9f9;
            color: #009640;
        }
        
        /* 搜索和电话区域 */
        .head_menu-utils {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        /* 搜索区域 */
        .head_menu-search {
            position: relative;
        }
        
        .head_menu-search-icon {
            font-size: 18px;
            color: #009640;
            cursor: pointer;
            transition: color 0.3s;
        }
        
        .head_menu-search-icon:hover {
            color: #009640;
        }
        
        .head_menu-search-box {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 10px;
            width: 250px;
            background-color: #fff;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            padding: 10px;
            border-radius: 4px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
        }
        
        .head_menu-search:hover .head_menu-search-box {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .head_menu-search-form {
            display: flex;
        }
        
        .head_menu-search-input {
            flex: 1;
            padding: 8px 12px;
            border: 1px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 14px;
            outline: none;
        }
        
        .head_menu-search-input:focus {
            border-color: #009640;
        }
        
        .head_menu-search-btn {
            background-color: #009640;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-size: 14px;
            transition: background-color 0.3s;
        }
        
        .head_menu-search-btn:hover {
            background-color: #009640;
        }
        
        /* 电话区域 */
        .head_menu-phone {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .head_menu-phone-icon {
            font-size: 18px;
            color: #009640;
        }
        
        .head_menu-phone-link {
            text-decoration: none;
            color: #009640;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .head_menu-phone-link:hover {
            color: #009640;
        }
        
        /* 分隔线 */
        .head_menu-divider {
            height: 24px;
            width: 1px;
            background-color: #ddd;
        }
        
        /* 移动端菜单按钮 */
        .head_menu-mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            background-color: #ffffff;
			border:#009640 1px solid;
            border-radius: 4px;
            cursor: pointer;
        }
        
        .head_menu-toggle-line {
            width: 24px;
            height: 2px;
            background-color: #009640;
            margin: 3px 0;
            transition: all 0.3s ease;
        }
        
        /* 移动端菜单 */
        .head_menu-mobile {
            display: none;
            background-color: #fff;
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
        }
        
        .head_menu-mobile.active {
            max-height: 80vh;
            overflow-y: auto;
        }
        
        .head_menu-mobile-list {
            list-style: none;
            padding: 20px 0;
        }
        
        .head_menu-mobile-item {
            border-bottom: 1px solid #eee;
        }
        
        /* 修复移动端菜单项布局 - 标题在最左，加减号在最右 */
        .head_menu-mobile-item-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        
        .head_menu-mobile-link {
            flex: 1;
            padding: 15px 0;
            text-decoration: none;
            color: #333;
            font-weight: 500;
            font-size: 16px;
            display: flex;
            align-items: center;
        }
        
        /* 修复加减号样式 - 加大字号 */
        .head_menu-mobile-toggle-icon {
            font-size: 22px; /* 加大字号 */
            font-weight: bold;
            color: #777;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            margin-left: 10px;
        }
        
        .head_menu-mobile-toggle-icon.active {
            color: #009640;
        }
        
        .head_menu-mobile-secondary {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            width: 100%;
        }
        
        .head_menu-mobile-secondary.active {
            max-height: 500px;
        }
        
        .head_menu-mobile-secondary-list {
            list-style: none;
            padding-left: 15px;
            padding-bottom: 10px;
            width: 100%;
        }
        
        .head_menu-mobile-secondary-item {
            padding: 10px 0;
        }
        
        .head_menu-mobile-secondary-link {
            text-decoration: none;
            color: #555;
            font-size: 14px;
            display: block;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .head_menu-desktop {
                display: none;
            }
            
            .head_menu-mobile-toggle {
                display: flex;
            }
            
            .head_menu-mobile {
                display: block;
            }
            
            .head_menu-wrapper {
                padding: 0 15px;
            }
        }
        
        @media (max-width: 768px) {
            .head_menu-logo img {
                max-height: 50px;
            }
            
            .head_menu-wrapper {
                height: 70px;
            }
            
            body {
                padding-top: 70px;
            }
            
            /* 移动端加减号进一步加大 */
            .head_menu-mobile-toggle-icon {
                font-size: 24px;
            }
        }
        
        /* 桌面端搜索框调整 */
        @media (min-width: 993px) and (max-width: 1100px) {
            .head_menu-search-box {
                right: -50px;
            }
        }