/* 导航菜单项悬停样式 */
.navbar-nav .nav-item .nav-link:hover,
.navbar-nav .nav-item .nav-link:focus {
    color: #007bff !important; /* Bootstrap默认蓝色 */
    background-color: transparent;
}

/* 下拉菜单项悬停样式 */
.dropdown-menu .dropdown-item:hover,
.dropdown-menu .dropdown-item:focus {
    color: #000 !important;
    background-color: #007bff !important; /* 蓝色背景 */
}

/* 自定义导航菜单悬停样式 */
.navbar-nav-custom .menu-item a:hover,
.navbar-nav-custom .menu-item a:focus {
    color: #007bff !important;
}

/* 二级及以上菜单悬停样式 */
.navbar-nav .levelgt1 .dropdown-item:hover,
.navbar-nav .levelgt1 .dropdown-item:focus {
    color: #000 !important;
    background-color: #007bff !important;
}

/* 下拉菜单悬停展开样式 */
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
    display: block;
    color: #000 !important;
}