.banner .content{
    background: url("https://jbzh-hk.oss-cn-hongkong.aliyuncs.com/site1/images/site2/user_case/banner.jpg") center !important;
}
.user_case .title{
    text-align: center;
    margin: 30px 0;
    color: #525e6a;
}
.user_case img{
    width: 100%;
}

@media (max-width: 768px) {

}