.aboutHeader1{
    background-image: url(../images/image/微官网-关于我们.png);
    background-size: 100% 100%;
    height: 5rem;
    width: 100%;
    text-align: center;
    color: white;
}
.aboutHeader1>div:nth-child(1){
    padding-top: 2rem;
    font-size: .35rem;
    letter-spacing: .05rem;

}
.aboutHeader1>div:nth-child(2){
    padding-top: .1rem;
    letter-spacing: .05rem;
    font-size: .55rem;
}
.aboutHeader1>div:nth-child(3){
    font-size: .25rem;
    padding-top: .1rem
}