.sle-book{background:url(../img/tree_bg.e5e22f9d.jpg) no-repeat;background-size:cover}.sle-book .book-left{width:.4rem;background:#fff;position:absolute;top:50%;box-shadow:inset -.18667rem 0 .37333rem rgba(0,0,0,.18)}.sle-book .sle-health-book-flipbook{width:100vw;height:100vh}.sle-book .sle-health-book-flipbook .viewport{width:calc(100vw - .8rem)!important;margin:0 auto}.sle-book .sle-health-book-flipbook .viewport.zoom{width:100%!important;margin:0!important}.sle-book .sle-health-book-flipbook img.page{box-shadow:-.18667rem .21333rem .32rem rgba(0,0,0,.4)}.sle-book .sle-health-book-flipbook .filp-btn{position:absolute;display:flex;align-items:center;right:.4rem;bottom:0;font-size:.42667rem;color:#fff}.sle-book .sle-health-book-flipbook .filp-btn img{width:1.86667rem;height:1.86667rem}.sle-book .music-icon{position:absolute;top:.26667rem;right:.26667rem}.sle-book .music-icon img{width:.86667rem;height:.86667rem}.sle-book .music-icon img.rotating{-webkit-animation:rotating 2.5s linear infinite;animation:rotating 2.5s linear infinite}.polygon.blank{background-color:#f8f8f8!important}@-webkit-keyframes rotating{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes rotating{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}