#p1 .btnjoin,#p1 .item{opacity:0;position:absolute}#ploading{display:flex;align-items:center;justify-content:center}#ploading .loadingani{width:50px;height:50px;border:4px solid rgba(0,0,0,.1);border-top-color:#fff;border-radius:50%;animation:spin .5s linear infinite}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}#p1{background-image:url(../images/bgindex.jpg)}#p1 .item{width:100%;height:100%;background-repeat:no-repeat;background-size:contain;background-position:center top}#p1 .item.face{background-image:url(../images/face.png)}#p1 .item.kuang{background-image:url(../images/kuang.png)}#p1 .item.light{background-image:url(../images/light.png)}#p1 .item.textarrow{background-image:url(../images/textarrow.png)}#p1 .btnjoin{background:url(../images/btnjoin.png) center top no-repeat;border:none;width:35.7333vw;height:15.7333vw;background-size:contain;margin-left:-17.8667vw;left:50%;top:151.2vw}