.ipre_link{position:fixed;left:10px;bottom:10px;z-index:1000;border-radius:5px;background-color:#14191f;padding:25px;margin-top:-25px;overflow:hidden;color:transparent;max-width:50px;max-height:50px;transition:all .5s}.ipre_link:hover{max-width:277px;max-height:100%;width:auto;height:auto;color:#267fb5}.ipre_link a{font-weight:700;display:block;padding:10px;background-color:#003b7f;border-radius:5px}.ad_link_href span{display:block;height:1.3em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ad_copy_clip{display:block;padding:10px;background-color:#fff;border-radius:5px;margin-top:10px;text-align:center;cursor:pointer;transition:background-color .5s,color .5s}.ad_copy_clip span{height:1.3em;display:block;overflow:hidden}.ipre_link:hover:after,.ipre_link:hover:before{content:none}.ipre_link:after{content:'';cursor:pointer;position:absolute;bottom:12px;left:12px;width:10px;height:10px;border:2px solid #fff;border-top:none;border-right:none;animation:bounce1 2s infinite}@keyframes bounce1{0%,100%,20%,50%,80%{transform:translate(0)}40%{transform:translate(-40%,40%)}60%{transform:translate(-20%,20%)}}.ipre_link:before{content:'';cursor:pointer;position:absolute;top:12px;right:12px;width:10px;height:10px;border:2px solid #fff;border-bottom:none;border-left:none;animation:bounce2 2s infinite}@keyframes bounce2{0%,100%,20%,50%,80%{transform:translate(0)}40%{transform:translate(40%,-40%)}60%{transform:translate(20%,-20%)}}