.fresindex11-1{
    background-image: url('http://airproce.oss-cn-beijing.aliyuncs.com/20190124/phone/epo.png');
    background-position: center bottom;
    background-repeat: no-repeat;
    background-size: 100%;
    height: 480px;
    background-color: #e9e9e9;
}
.enXin2{
    background: url(http://airproce.oss-cn-beijing.aliyuncs.com/20190124/phone/jinhua-en.png) no-repeat;
    background-size: cover;
    background-position: center;
    padding: 20px 0;
    height: 635px;
}
.enXin5{
    background-image: url('http://airproce.oss-cn-beijing.aliyuncs.com/20190124/phone/jiegou-en.png');
}
.enXin11-1{
    background-image: url('http://airproce.oss-cn-beijing.aliyuncs.com/20190124/phone/epo-en.png');
}