/* 重置样式 */
        .header_menu * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        
        /* 导航栏容器 */
        .header_menu {
            width: 100%;
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        /* 导航栏内容 */
        .header_menu-container {
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 2%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 90px;
        }
        
        /* LOGO样式 */
        .header_menu-logo {
            height: 70px;
        }
        
        .header_menu-logo img {
            height: 100%;
            width: auto;
        }
        
        /* PC端导航菜单 */
        .header_menu-nav {
            display: flex;
            align-items: center;
        }
        
        .header_menu-list {
            display: flex;
            list-style: none;
        }
        
        .header_menu-item {
            position: relative;
            margin-left: 30px;
        }
        
        .header_menu-item > a {
            color: #000;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            padding: 10px 0;
            position: relative;
            transition: color 0.3s ease;
        }
        
        .header_menu-item > a:hover {
            color: #015bac;
        }
        
        /* 下拉箭头 */
        .header_menu-item.has-dropdown > a::after {
            content: '';
            display: inline-block;
            margin-left: 5px;
            vertical-align: middle;
            border-top: 5px solid #000;
            border-left: 5px solid transparent;
            border-right: 5px solid transparent;
            transition: transform 0.3s ease;
        }
        
        .header_menu-item.has-dropdown:hover > a::after {
            transform: rotate(180deg);
            border-top-color: #015bac;
        }
        
        /* 二级菜单 */
        .header_menu-dropdown {
            position: absolute;
            top: 54px;
            left: 0;
            width: 200px;
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.1);
            border-radius: 0px;
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 100;
        }
        
        .header_menu-item:hover .header_menu-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .header_menu-dropdown-item {
            padding: 8px 20px;
        }
        
        .header_menu-dropdown-item a {
            color: #555;
            text-decoration: none;
            font-size: 15px;
            transition: color 0.3s ease;
            display: block;
        }
        
        .header_menu-dropdown-item a:hover {
            color: #015bac;font-weight:600
        }
        
        /* 移动端菜单按钮 */
        .header_menu-mobile-btn {
            display: none;
            width: 40px;
            height: 40px;
            background-color: #015bac;
            border-radius: 0px;
            cursor: pointer;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }
        
        .header_menu-mobile-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #fff;
            margin: 3px 0;
            transition: all 0.3s ease;
        }
        
        .header_menu-mobile-btn.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        
        .header_menu-mobile-btn.active span:nth-child(2) {
            opacity: 0;
        }
        
        .header_menu-mobile-btn.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        
        /* 移动端菜单 */
        .header_menu-mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            height: calc(100vh - 70px);
            background-color: #fff;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            z-index: 999;
        }
        
        .header_menu-mobile-nav.active {
            transform: translateX(0);
        }
        
        .header_menu-mobile-list {
            list-style: none;
        }
        
        .header_menu-mobile-item {
            border-bottom: 1px solid #eee;
        }
        
        .header_menu-mobile-item > a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            color: #000;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
        }
        
        .header_menu-mobile-item > a:hover {
            color: #015bac;
        }
        
        /* 移动端下拉箭头 */
        .header_menu-mobile-item.has-dropdown > a::after {
            content: '+';
            font-size: 20px;
            color: #999;
        }
        
        .header_menu-mobile-item.has-dropdown.active > a::after {
            content: '-';
        }
        
        /* 移动端二级菜单 */
        .header_menu-mobile-dropdown {
            display: none;
            background-color: #f9f9f9;
            padding: 0 20px;
        }
        
        .header_menu-mobile-dropdown-item {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
        }
        
        .header_menu-mobile-dropdown-item:last-child {
            border-bottom: none;
        }
        
        .header_menu-mobile-dropdown-item a {
            color: #555;
            text-decoration: none;
            font-size: 14px;
            display: block;
        }
        
        .header_menu-mobile-dropdown-item a:hover {
            color: #015bac;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
			        
        /* LOGO样式 */
        .header_menu-logo {
            height: 55px;
        }
        
        .header_menu-logo img {
            height: 100%;
            width: auto;
        }
        
			
			
            .header_menu-nav {
                display: none;
            }
            
            .header_menu-mobile-btn {
                display: flex;
            }
        }