el-menu 选择子菜单 父菜单没高亮

  /* 子菜单active */

.page-sidebar .el-menu-item.is-active .iconfont-cahnge {
    color: #cc0000 !important;
}


/* 主菜单和子菜单同active */

.page-sidebar .el-submenu.is-active>.el-submenu__title {
    color: #cc0000 !important;
}

.page-sidebar .el-submenu.is-active>.el-submenu__title .iconfont {
    color: #cc0000 !important;
}