.indexBox{position:relative;width:100%;height:100vh;overflow:hidden;margin:0 auto;cursor:pointer}.indexBox .index{width:100%;height:100%;display:block;object-fit:100% 100%;object-position:center top}.logo{position:absolute;width:13%;left:3%;top:5%}.slogan{position:absolute;width:50%;left:5%;top:55.5%}.enter{position:absolute;width:18.8%;left:62%;top:64.5%;animation:enter 3s ease-in-out infinite}@keyframes enter{0%,to{transform:scale(.9);opacity:.3}50%{transform:scale(1);opacity:1}}