html,body{margin:0;padding:0}.img{width:100%;height:100%}button{outline:none}ul{margin:0;padding:0}ul li{list-style:none}.img-box,.img-content{position:relative;height:100vh;line-height:0}.google-btn{position:absolute;z-index:2;bottom:2rem;left:10rem}.btn-wrap{width:100%;box-sizing:border-box;padding:0 .5rem 0 2rem;position:absolute;z-index:99;left:0;line-height:.5rem;text-align:right;top:0}.btn-wrap .item{text-decoration:none;opacity:.9;padding:.06rem .2rem;font-size:.3rem;display:inline-block;font-family:Arial;font-weight:400;color:#fff;cursor:pointer;border-radius:4px}.btn-wrap .item.border{border:1px solid #fff}.btn-wrap .item:hover{opacity:1}.img-content{width:100%;box-sizing:border-box}.img-content .img-cell{width:100%}.nav{display:none;background-color:rgba(0,0,0,0);position:absolute;padding:.1rem;width:100%;left:-0.8rem;top:.64rem;font-size:.18rem;border-radius:.1rem;font-weight:330;box-sizing:border-box}.nav li{width:3.8rem;white-space:nowrap;text-align:left;text-decoration:none;color:#000;cursor:pointer;line-height:.4rem}.nav .active{color:#ffc925}.border{position:relative}.border:hover .nav{display:block}
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