/* 顶部父菜单 */
        .top-nav {
            position: relative;
            display: flex;
            border-radius: 6px;
        }
        
        .top-nav > div {
            margin-right: 50px;
            font-size: 16px;
            color: #333333;
            line-height: 44px;
            height: 44px;
            cursor: pointer;
            padding: 0 20px;
        }
        
        .top-nav > div:not(:first-child):hover,
        .top-nav > div.active {
            color: #0079FE;
        }
        
        /* 主内容容器 */
        .main-container {
            display: flex;
            gap: 20px;
        }
        
        /* 左侧子菜单容器 */
        .side-nav {
            width: 190px;
            background: #fff;
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        /* 一级菜单项样式 - 应用原二级菜单样式 */
        .side-nav-item1 {
            position: relative;
            padding-left: 45px;
            height: 95px;
            cursor: pointer;
            background-position: 18px 18px;
            background-repeat: no-repeat;
        }
        
        /* 背景图标 */
        .navBg0 { background-image: url("/public/images/home/icon8.png"); }
        .navBg1 { background-image: url("/public/images/home/icon9.png"); }
        .navBg2 { background-image: url("/public/images/home/icon10.png"); }
        .navBg3 { background-image: url("/public/images/home/icon11.png"); }
        .navBg4 { background-image: url("/public/images/home/icon5.png"); }
        .navBg5 { background-image: url("/public/images/home/icon6.png"); }
        .navBg6 { background-image: url("/public/images/home/icon7.png"); }
        
        /* 分隔线 */
        .nav-line1 {
            width: 140px;
            height: 1px;
            background: #DEE8F3;
            position: absolute;
            bottom: 4%;
            right: 15px;
           
        }
        
        /* 菜单标题 */
        .nav-title1 {
            font-size: 16px;
            background-image: url("/public/images/home/icon13.png");
            background-position: 132px 20px;
            background-repeat: no-repeat;
            line-height: 1;
            padding-top: 20px;
            color: #0079FE !important;
            display: block;
            text-decoration: none;
            margin-left: -18px;
        }
        
        .nav-title1:hover {
            background-image: url("/public/images/home/icon12.png");
        }
       
        /* 导航标题 */
        .navTitle{
            color: #1f1f1f;
            display: block;
            text-decoration: none;
        }
        
        .navTitle:hover{
            color: #0079FE;
        }
        
        /* 描述文字 */
        .nav-describe1 {
            font-size: 14px;
            color: #222222;
            line-height: 1.2;
            padding-top: 0px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            width: 140px;
            display: inline-block;
        }
        
        /* 内容区域 */
        .content-area {
            flex: 1;
            min-height: 500px;
         
            padding: 20px;
            background-color: #fff;
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        /* 第一个菜单项的特殊样式 */
        .first-nav-item {
            background: #0079FE !important;
            color: #FFFFFF !important;
            border-radius: 6px 6px 0 0 !important;
            width: 190px;
        }
        
        .first-nav-item .navTitle {
            color: #FFFFFF !important;
        }
        
        /* 内容区域样式 */
        .content-header {
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        
        .content-body {
            line-height: 1.6;
        }