
        
        /* 导航菜单样式 */
        .header_menu-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: #fff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
            transition: all 0.3s ease;
        }
        
        .header_menu-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            height: 80px;
        }
        
        /* Logo样式 */
        .header_menu-logo {
            height: 65px;
            display: flex;
            align-items: center;
        }
        
        .header_menu-logo img {
            height: 100%;
            width: auto;
        }
        
        /* 桌面导航菜单 */
        .header_menu-desktop {
            display: flex;
            height: 100%;
        }
        
        .header_menu-desktop > li {
            position: relative;
            height: 100%;
            display: flex;
            align-items: center;
        }
        
        .header_menu-desktop > li > a {
            position: relative;
            display: flex;
            align-items: center;
            height: 100%;
            padding: 0 20px;
            font-size: 16px;
            font-weight: 400;
            color: #666;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .header_menu-desktop > li > a:hover {
            background: #f5f5f5;
        }
        
        .header_menu-desktop > li > a::after {

            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0px;
            background: #16509c;
            transition: width 0.3s ease;
        }
        
        .header_menu-desktop > li > a:hover::after {
            width: 80%;
        }
        
        .header_menu-desktop > li.has-children > a::after {
            content: '';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-left: 5px;
            font-size: 14px;
            position: relative;
            top: 0;
            transform: none;
            width: auto;
            height: auto;
            background: transparent;
            color: #666;
        }
        
        /* 二级菜单 */
        .header_menu-submenu {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background: #f5f5f5;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0);
            padding: 30px 0px 0px 0px;
            display: none;
            z-index: 999;
        }
        
        .header_menu-desktop > li:hover .header_menu-submenu {
            display: block;
        }
        
        .header_menu-submenu-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center; /* 内容居中 */
        }
        
        .header_menu-subcategory {
            flex: 0 0 auto;
            padding: 0 20px;
            margin-bottom: 10px;
            min-width: 150px;
        }
        
        .header_menu-subcategory-title {
            font-size: 16px;
            font-weight: 500;
            color: #666666;
            margin-bottom: 10px;
            padding-bottom: 10px;
            border-bottom: 0px solid #16509c;
        }
        
        .header_menu-subcategory-title a {
            color: #666666;
            text-decoration: none;
            transition: color 0.2s;
        }
        
        .header_menu-subcategory-title a:hover {
            color: #16509c;
        }
        
        .header_menu-tertiary {
            list-style: none;
        }
        
        .header_menu-tertiary li {
            margin-bottom: 10px;
            text-align: left;
        }
        
        .header_menu-tertiary li a {
            color: #999999;
            text-decoration: none;
            font-size: 15px;
            transition: color 0.2s ease;
            display: block;
            padding: 3px 0;
        }
        
        .header_menu-tertiary li a:hover {
            color: #16509c;
        }
        
        /* 移动端菜单按钮 */
        .header_menu-mobile-toggle {
            display: none;
            font-size: 24px;
            color: #333;
            background: none;
            border: none;
            cursor: pointer;
        }
        
        /* 移动端菜单 */
        .header_menu-mobile {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #fff;
            z-index: 1100;
            transform: translateY(-100%);
            transition: transform 0.4s ease;
            overflow-y: auto;
            padding: 20px;
        }
        
        .header_menu-mobile.active {
            transform: translateY(0);
        }
        
        .header_menu-mobile-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            margin-bottom: 20px;
        }
        
        .header_menu-mobile-close {
            font-size: 24px;
            color: #333;
            background: none;
            border: none;
            cursor: pointer;
        }
        
        .header_menu-mobile-nav {
            list-style: none;
        }
        
        .header_menu-mobile-nav > li {
            border-bottom: 1px solid #eee;
        }
        
        .header_menu-mobile-nav > li > a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            font-size: 18px;
            font-weight: 600;
            color: #333;
            text-decoration: none;
        }
        
        .header_menu-mobile-nav > li.has-children > a::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 16px;
            transition: transform 0.3s ease;
        }
        
        .header_menu-mobile-nav > li.has-children > a.active::after {
            transform: rotate(180deg);
        }
        
        .header_menu-mobile-submenu {
            list-style: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        
        .header_menu-mobile-submenu.active {
            max-height: 1000px;
        }
        
        .header_menu-mobile-submenu li {
            padding: 10px 0 10px 20px;
        }
        
        .header_menu-mobile-submenu li a {
            display: block;
            color: #7f8c8d;
            text-decoration: none;
            font-size: 16px;
        }
        
        .header_menu-mobile-tertiary {
            list-style: none;
            padding-left: 20px;
            margin-top: 10px;
        }
        
        .header_menu-mobile-tertiary li {
            padding: 8px 0;
        }
        
        .header_menu-mobile-tertiary li a {
            font-size: 15px;
            color: #95a5a6;
        }
        
        /* 响应式设计 */
        @media (max-width: 1024px) {
            .header_menu-desktop > li > a {
                padding: 0 15px;
                font-size: 15px;
            }
        }
        
        @media (max-width: 900px) {
            .header_menu-mobile-toggle {
                display: block;
            }
            
            .header_menu-desktop {
                display: none;
            }
            
            .header_menu-wrapper {
                height: 70px;
            }
        }
        
        @media (max-width: 768px) {
            .content {
                padding: 30px 20px;
            }
            
        }
        
        @media (max-width: 480px) {

            .header_menu-logo {
                height: 40px;
            }
            
            .header_menu-wrapper {
                height: 80px;
            }
            
            .header_menu-subcategory {
                min-width: 100%;
                padding: 0 15px;
            }
        }