.about_img_info{
    margin: 30px 0;
}
.flow_img .img {
    height: 100%;
    margin-top: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.flow_img .cargo_img{
    width: 800px !important;
}

.flow_img .img img {
    height: auto;
}
.case_content{
    justify-content: space-around;
}