body{overflow-x:hidden}.box{display:flex;width:6000px;transform:translateZ(0);animation:scroll 55s cubic-bezier(.1,.1,.1,.1) 2s infinite}@keyframes scroll{to{transform:translate3d(-100%,0,0)}}.item{display:flex;justify-content:center;align-items:center;color:#fff;font-size:30px;text-align:center;margin-right:100px;transition:all .5s}.item-false{display:none}.item-true{display:block}.item img{width:200px}.box1{display:flex;width:6000px;transform:translate3d(-100%,0,0);animation:scroll1 55s cubic-bezier(.1,.1,.1,.1) 2s infinite}@keyframes scroll1{to{transform:translateZ(0)}}@media screen and (max-width:1200px){.box,.box1{width:2880px}.item img{width:96px}}