/* 顶部信息栏 - 始终在最上方 */
        .head_menu-top-bar {
            background-color: #f5f5f5;
            padding: 8px 0;
            transition: transform 0.3s ease;
            border-bottom: 1px solid #e0e0e0;
            position: relative;
            z-index: 1002; /* 确保在上方 */
            width: 100%;
            top: 0;
            left: 0;
        }
        
        .head_menu-container {
    margin:0 auto;width:100%;max-width-----:1280px;padding: 0 5%;
        }
        
        .head_menu-top-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        
        .head_menu-social-icons {
            display: flex;
        }
        
        .head_menu-social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border: 1px solid #009b4c;
            border-radius: 50%;
            margin-right: 10px;
            color: #009b4c;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .head_menu-social-link:hover {
            background-color: #009b4c;
            color: white;
        }
        
        .head_menu-contact-info {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        
        .head_menu-contact-item {
            display: flex;
            align-items: center;
            margin-left: 20px;
            color: #555;
            text-decoration: none;
            font-size: 14px;
        }
        
        .head_menu-contact-item i {
            margin-right: 8px;
            color: #009b4c;
        }
        
        .head_menu-contact-item:hover {
            color: #009b4c;
        }
        
        .head_menu-language {
            position: relative;
            margin-left: 20px;
        }
        
        .head_menu-language-btn {
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            color: #555;
            font-size: 14px;
        }
        
        .head_menu-language-btn i {
            margin-right: 5px;
            color: #009b4c;
        }
        
        .head_menu-language-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-radius: 4px;
            min-width: 120px;
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.2s ease;
            z-index: 1003;
        }
        
        .head_menu-language-dropdown::before {
            content: '';
            position: absolute;
            top: -10px;
            right: 0;
            width: 100%;
            height: 10px;
            background: transparent;
        }
        
        .head_menu-language:hover .head_menu-language-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .head_menu-language-link {
            display: flex;
            align-items: center;
            padding: 8px 15px;
            text-decoration: none;
            color: #333;
            font-size: 14px;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .head_menu-language-link:last-child {
            border-bottom: none;
        }
        
        .head_menu-language-link:hover {
            background-color: #f9f9f9;
            color: #009b4c;
        }
        
        .head_menu-language-link i {
            margin-right: 8px;
        }
        
        /* 主导航栏 - 固定在顶部信息栏下方 */
        .head_menu-main-nav {
            background-color: #009b4c;
            padding: 10px 0;
            transition: all 0.3s ease;
            position: sticky;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1001;
            margin-top: 0; /* 确保紧贴顶部信息栏下方 */
        }
        
        .head_menu-main-nav.head_menu-fixed {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            top: 0;
        }
        
        /* 当顶部信息栏隐藏时，调整主导航栏位置 */
        .head_menu-top-bar.head_menu-hidden + .head_menu-main-nav.head_menu-fixed {
            top: 0;
        }
        
        .head_menu-nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .head_menu-logo {
            display: flex;
            align-items: left;
            position: relative;
            height: 50px; /* 固定高度 */
        }
        
        /* LOGO图片 - 白色版本（用于绿色背景） */
        .head_menu-logo-white {
            height: 50px;
            transition: opacity 0.3s ease;
            opacity: 1;
        }
        
        /* LOGO图片 - 彩色版本（用于白色背景） */
        .head_menu-logo-color {
            height: 50px;
            transition: opacity 0.3s ease;
            opacity: 0;
            position: absolute;
            left: 0;
            top: 0;
        }
        
        /* 固定导航栏时显示彩色LOGO，隐藏白色LOGO */
        .head_menu-fixed .head_menu-logo-white {
            opacity: 0;
        }
        
        .head_menu-fixed .head_menu-logo-color {
            opacity: 1;
        }
        
        /* 移动端：始终显示彩色LOGO */
        @media (max-width: 768px) {
            .head_menu-main-nav {
                background-color: white;
            }
            
            .head_menu-logo-white {
                opacity: 0 !important;
            }
            
            .head_menu-logo-color {
                opacity: 1 !important;
                position--------: static;
            }
        }
        
        .head_menu-nav-links {
            display: flex;
            list-style: none;
            margin-left: 50px;
        }
        
        .head_menu-nav-item {
            position: relative;
            margin-left: 30px;
        }
        
        .head_menu-nav-link {
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 16px;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
        }
        
        .head_menu-fixed .head_menu-nav-link {
            color: #333;
        }
        
        .head_menu-nav-link:hover {
            color: #c8e6c9;
        }
        
        .head_menu-fixed .head_menu-nav-link:hover {
            color: #009b4c;
        }
        
        .head_menu-dropdown {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-radius: 4px;
            min-width: 200px;
			text-align:center;
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transition: all 0.2s ease;
            z-index: 1000;
            margin-top: 20px;
        }
        
        .head_menu-dropdown::before {
            content: '';
            position: absolute;
            top: -22px;
            left: 0;
            width: 100%;
            height: 22px;
            background: transparent;
        }
        
        .head_menu-nav-item:hover .head_menu-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        
        .head_menu-dropdown-link {
            display: block;
            padding: 12px 20px;
            text-decoration: none;
            color: #555;
            border-bottom: 1px solid #f0f0f0;
            font-size: 14px;
            position: relative;
            z-index: 1001;
        }
        
        .head_menu-dropdown-link:last-child {
            border-bottom: none;
        }
        
        .head_menu-dropdown-link:hover {
            background-color: #f9f9f9;
            color: #009b4c;
        }
        
        /* 搜索区域 */
        .head_menu-search {
            position: relative;
            margin-left: 30px;
        }
        
        .head_menu-search-btn {
            background: none;
            border: none;
            cursor: pointer;
            color: white;
            font-size: 18px;
            transition: color 0.3s ease;
        }
        
        .head_menu-fixed .head_menu-search-btn {
            color: #009b4c;
        }
        
        .head_menu-search-box {
            position: absolute;
            top: 180%;
            right: 0;
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-radius: 4px;
            padding: 10px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.2s ease;
            display: flex;
            z-index: 1000;
        }
        
        .head_menu-search-box::before {
            content: '';
            position: absolute;
            top: -10px;
            right: 0;
            width: 100%;
            height: 10px;
            background: transparent;
        }
        
        .head_menu-search:hover .head_menu-search-box {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .head_menu-search-input {
            border: 1px solid #ddd;
            border-radius: 4px 0 0 4px;
            padding: 8px 12px;
            width: 200px;
            font-size: 14px;
        }
        
        .head_menu-search-submit {
            background-color: #009b4c;
            border: none;
            border-radius: 0 4px 4px 0;
            color: white;
            padding: 8px 15px;
            cursor: pointer;
            font-size: 14px;
        }
        
        /* 移动端样式 */
        .head_menu-mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 24px;
            color: white;
            padding: 5px;
            color: #009b4c;
        }
        
        .head_menu-fixed .head_menu-mobile-toggle {
            color: #009b4c;
        }
        
        .head_menu-mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            max-height: calc(100vh - 70px);
            overflow-y: auto;
        }
        
        .head_menu-mobile-nav {
            list-style: none;
            padding: 0;
        }
        
        .head_menu-mobile-item {
            border-bottom: 1px solid #f0f0f0;
        }
        
        .head_menu-mobile-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            text-decoration: none;
            color: #333;
            font-weight: 500;
        }
        
        .head_menu-mobile-link i {
            color: #009b4c;
        }
        
        .head_menu-mobile-dropdown {
            display: none;
            background-color: #f9f9f9;
            padding: 0;
        }
        
        .head_menu-mobile-dropdown-link {
            display: block;
            padding: 12px 20px 12px 30px;
            text-decoration: none;
            color: #555;
            border-bottom: 1px solid #eee;
            font-size: 14px;
        }
        
        .head_menu-mobile-dropdown-link:last-child {
            border-bottom: none;
        }
        
        .head_menu-mobile-dropdown-link:hover {
            background-color: #f0f0f0;
        }
        
        .head_menu-mobile-language {
            display: none;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .head_menu-contact-info {
                display: none;
            }
            
            .head_menu-language {
                display: none;
            }
            
            .head_menu-mobile-language {
                display: block;
                position: relative;
            }
            
            .head_menu-mobile-language-btn {
                background: none;
                border: none;
                cursor: pointer;
                display: flex;
                align-items: center;
                color: #555;
                padding: 15px 20px;
                width: 100%;
                justify-content: space-between;
            }
            
            .head_menu-mobile-language-dropdown {
                display: none;
                background-color: #f9f9f9;
                padding: 0;
            }
            
            .head_menu-mobile-language-link {
                display: flex;
                align-items: center;
                padding: 12px 20px 12px 30px;
                text-decoration: none;
                color: #555;
                border-bottom: 1px solid #eee;
            }
            
            .head_menu-mobile-language-link:last-child {
                border-bottom: none;
            }
        }
        
        @media (max-width: 768px) {
            .head_menu-top-bar {
                display: none;
            }
            
            .head_menu-main-nav {
                padding: 10px 0;
                background-color: white;
                position: fixed;
                top: 0;
            }
            
            .head_menu-fixed .head_menu-main-nav {
                background-color: white;
            }
            
            .head_menu-logo {
                height: 30px;
            }
            
            .head_menu-logo-white,
            .head_menu-logo-color {
                height: 30px;
            }
            
            .head_menu-nav-links {
                display: none;
            }
            
            .head_menu-search {
                display: none;
            }
            
            .head_menu-mobile-toggle {
                display: block;
            }
            
            .head_menu-mobile-language {
                border-bottom: 1px solid #f0f0f0;
            }
            
            .head_menu-social-icons {
                justify-content: center;
                padding: 15px 0;
            }
            
            .head_menu-social-link {
                margin: 0 5px;
            }
        }
        
        @media (min-width: 769px) {
            .head_menu-mobile-menu {
                display: none !important;
            }
        }
        
        /* 内容区域，用于演示滚动效果 */
        .content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            margin-top: 20px;
        }
        
        .content h2 {
            margin-bottom: 20px;
            color: #009b4c;
        }
        
        .content p {
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        @media (max-width: 768px) {
            .content {
                padding-top: 90px; /* 为固定导航栏留出空间 */
            }
        }
        
        @media (min-width: 769px) {
            .content {
                padding-top: 20px;
            }
        }
        
        /* 新增：添加一个类来保持下拉菜单的显示状态（通过JS控制） */
        .head_menu-dropdown-visible {
            opacity: 1 !important;
            visibility: visible !important;
            transform: translateX(-50%) translateY(0) !important;
        }
        
        .head_menu-search-visible {
            opacity: 1 !important;
            visibility: visible !important;
            transform: translateY(0) !important;
        }
        
        .head_menu-language-visible {
            opacity: 1 !important;
            visibility: visible !important;
            transform: translateY(0) !important;
        }