.ylb_img{position:absolute;top:-166px;left:-230px;display:none;}
/*#ylbmsg{position:fixed;z-index:9999; top:50%;left:50%; width:230px; height:52px;line-height:52px; margin-top:-26px; margin-left:-115px;  font-size:18px;font-family:"微软雅黑"; text-align:center; color:#fff; background:#2997ab;border-radius:8px;display:none;-moz-box-shadow:2px 2px 5px #333333; -webkit-box-shadow:2px 2px 5px #333333; box-shadow:2px 2px 5px #333333;}*/

#ylbmsg{position:absolute;z-index:9999; margin-top:-132px;margin-left:-138px; width:177px;height:156px;line-height:30px;font-size:22px;font-family:"微软雅黑";color:#fff; background: url(/ai/2019img/ylbts.png) no-repeat;background-image:url(/ai/2019img/ylbts.png);display:none;}

.addylb,.cylbf{cursor:pointer}
.ylb_tool{width:45px;height:45px;background-image:url(/ai/2019img/topbang.png);background-position:-230px 0;cursor:pointer;}
.ylb_tool:hover {width: 45px;height: 45px;background-image: url(/ai/2019img/topbang.png);background-position: -230px -46px;}