element在导航栏选中二级菜单时让一级菜单文字高亮？

Question

Answer 1

.is-active > .el-submenu__title{
  color: #2E72E0;
  font-weight: 550;
}
.is-active > .el-submenu__title i {
  color: #2E72E0;
}

Answer 2

给 .el-submenu.is-active .el-submenu__title 覆写一下样式就行了。