/* 顶部导航样式 */
        .top-nav-c {
            display: flex;
            padding: 0 20px;
            width: 1200px;
            margin: 0 auto;
        }

        .top-nav-c > div {
            position: relative;
            padding: 0 20px;
            font-size: 16px;
            color: #333;
            line-height: 44px;
            height: 44px;
            cursor: pointer;
        }

        .top-nav-c > div:not(:first-child):hover,
        .top-nav-c > div.active {
            color: #0079fe;
        }

        /* 第一个菜单项特殊样式 */
        .first-nav-item {
            background: #0079fe !important;
            color: #ffffff !important;
            border-radius: 6px 6px 0 0 !important;
            width: 190px;
            text-align: center;
        }

        .first-nav-item .navTitle {
            color: #ffffff !important;
        }
        .other-nav-item{
          margin: 0px 10px;
        }
        /* 子菜单容器 */
        .submenu-container {
            position: relative;
            
        }

        /* 侧边子菜单样式 */
        .side-nav {
        
            display: none;
            position: absolute;
            top: 100%;
            left: 0px;
            width: 190px;
            background: #fff;
            border-radius: 0 6px 6px 6px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            z-index: 100;
            padding-bottom: 5px;
        }

        .submenu-container:hover .side-nav {
            display: block;
        }

        /* 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: 45px;
            cursor: pointer;
            margin: 5px 0px;
            background-position: 18px 18px;
            background-repeat: no-repeat;
        }

        /* 背景图标 */
        .navBg0 {
            background-image: url("/public/images/home/icon1.png");
        }
        .navBg1 {
            background-image: url("/public/images/home/icon2.png");
        }
        .navBg2 {
            background-image: url("/public/images/home/icon3.png");
        }
        .navBg3 {
            background-image: url("/public/images/home/icon4.png");
        }
      
        .side-nav-item1:hover{
            background-color: #0079fe;
            color: #fff !important;
        }
        
        /* 菜单标题 */
        .nav-title1 {
            font-size: 16px;
            color: #909399 ;
            display: block;
            text-decoration: none;
            line-height: 45px;
        }
        
        .nav-title1:hover {
            color: #fff;
        }
      
        /* 导航标题 */
        .navTitle {
            color: #1f1f1f;
            display: block;
            text-decoration: none;
        }

        .navTitle:hover {
            color: #0079fe;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .top-nav-c {
                flex-wrap: wrap;
            }

            .top-nav-c > div {
                margin-right: 10px;
                padding: 0 10px;
            }

            .side-nav {
                width: 100%;
            }
        }