@media screen and (min-width:801px) {
    .pic2{
        display: none;
    }
    .Header2{
        display: none;
    }
    .about2{
        display: none;
    }

    .about2
    ,.info
    ,.fangan
    ,.service
    ,.newspaper
    ,.huoban{
        display: none;
    }

}