/*header*/
header{
    position: sticky;
    top: 0;
    z-index: 2000;
}
header .logo{
    width: 200px;
    height: 100px;
    background: #ededed;
}

/*footer*/
.qr-code{
    height: 100%;
    background: grey;
}
.footer-name{
   
    text-align: center;
}

/*404*/
.four-zero-four-content{
    height: 539px;

}

/*联系我们 地图*/
#companyMap {
    height: 500px;
    border: 1px solid #ededed;
    margin: 0 auto;
    margin-bottom: 15px;
    
}
#companyMap img{
    display:block;
    margin: 0 auto;
    margin-bottom: 15px;
}