.header-image{width:100%;height:100%}.service-list{width:1300px;margin:100px auto}.service-main{display:flex;flex-wrap:wrap;justify-content:space-between;margin-top:70px;margin-bottom:70px}.service-item{box-sizing:border-box;width:624px;height:549px;margin-bottom:60px;overflow:hidden}