.menu-top {
    height:400px;
}
.moveSwipslider {
    height: 340px;
    background-image: url("../image/contactUs.png");
}
.patent-image{
    width:398px;
    float:left;
}
.middleImage-aboutUsApp {
    display: none;
}
@media screen and (max-width: 1200px) {
    .imageDivAlignCenter {
        display:block;
    }
    .patent-image{
        width:330px;
    }
}
@media screen and (max-width: 768px) {
    .menu-top {
        height: 4.147rem  /* 311/75 */;
    }
    .moveSwipslider {
        height: 4.147rem  /* 311/75 */;
        background-image: url("../image/appPic/bgcontactUs.png");
    }
    .middleImage-aboutUs {
        display: none;
    }
    .middleImage-aboutUsApp {
        display: block;
    }
    .patent-image {
        width: 5.307rem  /* 398/75 */;
    }
    .imageDivAlignCenter {
        width: 5.307rem  /* 398/75 */;
        margin: auto;
    }
}