.main{width:19.2rem;height:10.8rem;position:relative}.main>.index{background:url(bg_index.c9bf5951.png) 0 0/100% no-repeat;width:100%;height:100%}.main>.index>#down-app{cursor:pointer;background:url(btn_down.da05531c.png) 0 0/100% no-repeat;width:4rem;height:1.5rem;transition:all .2s;position:absolute;top:6.94rem;left:calc(50% - 2rem)}.main>.index>#down-app:hover{filter:drop-shadow(.05rem .05rem .05rem #00000030);scale:1.03}.main>.index>.icon-down-container{width:.8rem;height:1rem;position:absolute;bottom:.6rem;left:calc(50% - .4rem)}.main>.index>.icon-down-container>.icon-down{cursor:pointer;background:url(icon_down.a8096f45.png) 0 0/contain no-repeat;width:100%;height:.8rem;transition:all .3s;animation:1.5s ease-in-out infinite float;position:absolute}.main>.index>.icon-down-container>.icon-down:hover{filter:drop-shadow(0 0 .05rem #fff)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(.2rem)}}