.menu{
    width: 2.22rem;
    font-size: .187rem;
    font-family: "Microsoft YaHei","SimSun";
    /* font-weight: 400; */
    color: #1D2129;
    background: #fff;
    border-radius: .04rem;
}
.menu > .menu_father{
    height: .4rem;
    line-height: .4rem;
    padding-left: .1rem;
    border-bottom: .01rem solid #4E5969;
}
.menu > .dropdown-menu{
    line-height: .45rem;
}
.menu > .dropdown-menu > li{
    padding-left: .65rem;
    margin-top: .2rem;
    border-radius: 0.04rem;
}
.childrencode_active{
    background-color: rgba(56, 102, 165, 1);
    color: #FFFFFF;
}
.menu > .dropdown-menu > li:hover{
    color:#2a7efb;
}