/* 头部整体容器 */
        .header_menu_container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.4s ease;
        }
        
		 body.common {
            padding-top: 70px; /* 为主导航留出空间 */
        }
		
        /* 当body有common类时的特殊样式 */
        body.common .header_menu_container {
            background: white;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }
        
        body.common .header_menu_main-nav {
            background: white !important;
        }
        
        body.common .header_menu_logo img {
            filter: none !important;
        }
        
        body.common .header_menu_nav-item > a {
            color: #333 !important;
        }
        
        body.common .header_menu_nav-item > a::after {
            background: #1a6dcc !important;
        }
        
        body.common .header_menu_nav-item > a:hover {
            color: #1a6dcc !important;
        }
        
        body.common .header_menu_mobile-toggle span {
            background: #333 !important;
        }
		
		
        /* 顶部栏样式 - 桌面端显示 */
        .header_menu_top-bar {
            background: linear-gradient(90deg, #0071b6, #0071b6);
            padding: 10px 8%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: white;
            font-size: 13px;
        }
        
        /* 左侧欢迎信息 */
        .header_menu_welcome {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .header_menu_welcome i {
            font-size: 14px;
            color: #ffffff;
        }
        
        /* 右侧功能区 */
        .header_menu_top-right {
            display: flex;
            align-items: center;
            gap: 25px;
        }
        
        /* 功能区项目 */
        .header_menu_top-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .header_menu_top-item a {
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .header_menu_top-item a:hover {
            color: #ffeb3b;
            text-decoration: underline;
        }
        
        /* 分隔线 */
        .header_menu_divider {
            height: 20px;
            width: 1px;
            background: rgba(255, 255, 255, 0.3);
        }
        
        /* 搜索框样式 */
        .header_menu_search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
		
         button.header_menu_search-icon {
     background: transparent;
     border: none; /* 如果需要去掉边框也可以加上 */
 }
        .header_menu_search-box input {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            border-radius: 20px;
            padding: 6px 15px;
            padding-right: 35px;
            color: white;
            font-size: 13px;
            width: 180px;
            transition: all 0.3s ease;
        }
        
        .header_menu_search-box input:focus {
            outline: none;
            background: rgba(255, 255, 255, 0.3);
            width: 220px;
        }
        
        .header_menu_search-box input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .header_menu_search-icon {
            position: absolute;
            right: 12px;
            color: white;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s ease;
        }
        
        .header_menu_search-icon:hover {
            transform: scale(1.2);
            color: #ffeb3b;
        }
        
        /* 社交图标 */
        .header_menu_social-icons {
            display: flex;
            gap: 10px;
        }
        
        .header_menu_social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: white;
            color: #0071b6;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s ease;
        }
        
        .header_menu_social-link:nth-child(1) { background: #25D366; color: white; }
        .header_menu_social-link:nth-child(2) { background: #3b5998; color: white; }
        .header_menu_social-link:nth-child(3) { background: #00aff0; color: white; }
        .header_menu_social-link:nth-child(4) { background: #1da1f2; color: white; }
        .header_menu_social-link:nth-child(5) { background: #e1306c; color: white; }
        
        .header_menu_social-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        /* 主导航栏样式 */
        .header_menu_main-nav {
            background: transparent;
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.4s ease;
        }
        
        /* 滚动后导航栏样式 */
        .header_menu_container.scrolled .header_menu_main-nav {
            background: white;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            padding: 10px 5%;
        }
        
        /* Logo样式 */
        .header_menu_logo {
            height: 50px;
            transition: all 0.4s ease;
        }
        
        .header_menu_logo img {
            height: 100%;
            filter: brightness(0) invert(1);
            transition: all 0.4s ease;
        }
        
        .header_menu_container.scrolled .header_menu_logo img {
            filter: none;
        }
        
        /* 桌面导航菜单 */
        .header_menu_nav-list {
            display: flex;
            list-style: none;
            gap: 35px;
        }
        
        .header_menu_nav-item {
            position: relative;
        }
        
        .header_menu_nav-item > a {
            color: white;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .header_menu_container.scrolled .header_menu_nav-item > a {
            color: #333;
        }
        
        .header_menu_nav-item > a:hover {
            color: #ffeb3b;
        }
        
        .header_menu_container.scrolled .header_menu_nav-item > a:hover {
            color: #0071b6;
        }
        
        /* 下划线动画 */
        .header_menu_nav-item > a::after {
            content: '';
            position: absolute;
            bottom: -13;
            left: 50%;
            width: 0;
            height: 2px;
            background: white;
            transform: translateX(-50%);
            transition: all 0.4s ease;
        }
        
        .header_menu_container.scrolled .header_menu_nav-item > a::after {
            background: #0071b6;
        }
        
        .header_menu_nav-item > a:hover::after {
            width: 100%;
        }
        
        /* 下拉箭头 */
        .header_menu_dropdown-arrow {
            margin-left: 5px;
            font-size: 10px;
            transition: transform 0.3s ease;
        }
        
        /* 修复：添加箭头旋转效果 */
        .header_menu_nav-item:hover .header_menu_dropdown-arrow {
            transform: rotate(360deg);
        }
        
        /* 二级菜单 */
        .header_menu_submenu {
            position: absolute;
            top: 140%;
            left: 0;
            width: 220px;
            background: white;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            border-radius: 0px;
            padding: 15px 0;
            list-style: none;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.4s ease;
            z-index: 100;
        }
        
        /* 修复：二级菜单显示问题 */
        .header_menu_nav-item:hover .header_menu_submenu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .header_menu_submenu li {
            padding: 0;
        }
        
        .header_menu_submenu li a {
            display: block;
            padding: 8px 25px;
            color: #555;
            text-decoration: none;
            font-size: 14px;
            font-weight: 400;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .header_menu_submenu li a:hover {
            color: #0071b6;
            background: #f0f7ff;
        }
        
        .header_menu_submenu li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 25px;
            right: 25px;
            height: 1px;
            background: #f0f0f0;
        }
        
        .header_menu_submenu li:last-child a::after {
            display: none;
        }
        
        /* 移动端样式 */
        .header_menu_mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
            cursor: pointer;
        }
        
        .header_menu_mobile-toggle span {
            height: 3px;
            width: 100%;
            background: white;
            border-radius: 3px;
            transition: all 0.3s ease;
        }
        
        .header_menu_container.scrolled .header_menu_mobile-toggle span {
            background: #333;
        }
        
        .header_menu_mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 320px;
            height: 100%;
            background: white;
            box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
            z-index: 2000;
            transition: all 0.5s ease;
            overflow-y: auto;
        }
        
        .header_menu_mobile-nav.active {
            right: 0;
        }
        
        .header_menu_mobile-close {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 24px;
            color: #333;
            cursor: pointer;
            z-index: 10;
        }
        
        .header_menu_mobile-nav-content {
            padding: 70px 25px 30px;
        }
        
        .header_menu_mobile-email {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        
        .header_menu_mobile-email a {
            color: #0071b6;
            text-decoration: none;
            font-size: 15px;
        }
        
        .header_menu_mobile-list {
            list-style: none;
        }
        
        .header_menu_mobile-item {
            border-bottom: 1px solid #f0f0f0;
        }
        
        .header_menu_mobile-item > a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            color: #333;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
        }
        
        .header_menu_mobile-submenu {
            list-style: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
        }
        
        .header_menu_mobile-submenu.active {
            max-height: 500px;
        }
        
        .header_menu_mobile-submenu li a {
            display: block;
            padding: 12px 15px;
            color: #666;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s ease;
        }
        
        .header_menu_mobile-submenu li a:hover {
            color: #0071b6;
            background: #f8fbff;
        }
        
        .header_menu_mobile-social {
            display: flex;
            gap: 12px;
            margin-top: 30px;
            justify-content: center;
        }
        
        /* 移动端覆盖层 */
        .header_menu_overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1500;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        
        .header_menu_overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        /* 响应式调整 */

		
		
        @media (max-width: 1024px) {
            .header_menu_top-bar {
                padding: 8px 25px;
            }
            
            .header_menu_main-nav {
                padding: 15px 25px;
            }
            
            .header_menu_nav-list {
                gap: 25px;
            }
        }
        
        @media (max-width: 900px) {
            .header_menu_top-bar {
                display: none;
            }
            
            .header_menu_main-nav {
                background: rgba(0, 0, 0, 0.7);
                padding: 12px 20px;
            }
            
            .header_menu_container.scrolled .header_menu_main-nav {
                background: white;
                padding: 10px 20px;
            }
            
            .header_menu_nav-list {
                display: none;
            }
            
            .header_menu_mobile-toggle {
                display: flex;
            }
            
            .header_menu_logo {
                height: 40px;
            }
            
            .header_menu_logo img {
                filter: brightness(0) invert(1);
            }
            
            .header_menu_container.scrolled .header_menu_logo img {
                filter: none;
            }
        }
                    /* 移动端common样式 */
            body.common .header_menu_container .header_menu_main-nav {
                background: white !important;
            }
            
            body.common .header_menu_container .header_menu_logo img {
                filter: none !important;
            }
            
            body.common .header_menu_container .header_menu_mobile-toggle span {
                background: #333 !important;
            }
        }
        @media (max-width: 480px) {
            .header_menu_mobile-nav {
                width: 280px;
            }
        }