.case{margin-top:150px}.case-list>li{width:31%;box-shadow:0px 0px 50px 0px rgba(0,0,0,0.15);border-radius:20px;overflow:hidden;margin-bottom:60px}.case-list>li img{width:100%;height:100%}@media screen and (max-width: 1024px){.case{margin-top:90px}.case-list>li{width:48%;border-radius:7px}}