/*底部导航*/
#menu{position: fixed;left: 0;bottom: 0;width: 100%;height: 3rem;background: #ffffff;z-index:999;border-top:1px solid #C3C3C3;}
#menu ul{list-style-type:none;}
#menu ul li{float:left;height:3rem;text-align:center;position:relative;line-height: 3rem;font-size: 1rem;width: calc(33.3% - 1px);border-left: 1px solid #C0C2BF;}

#menu ul li:first-child,#menu ul li:last-child{border-top: 2px solid #00B8EE;}

#menu ul li:nth-child(2){border-top: 2px solid #FB6E52;}

#menu ul li .line{position:absolute;top:0px;right:0px;z-index:30;}
#menu ul li .menu_li{border:1px solid #fff;position:absolute;top:0px;left:0px;z-index:20;width:100%;height:99%;color:#fff; border-right:1px solid #C3C3C3;}
#menu ul li .menu_li em{ font-style:normal; background:url(../images/bnt_1.png) left no-repeat; padding-left:20px;}
#menu ul li .menu_li a{color:#000;}
#menu ul li .menu_li a:hover{background:#fff; display:block; width:99%; height:99%; }
#menu ul li .img_front{position:absolute;top:0px;left:0px;z-index:30;width:100%;height:100%;}
#menu ul li .img_front img{width:100%;height:100%;}
#menu ul li span{position:absolute;bottom:-119px;left:50%;width:120px;margin-left:-60px;margin-bottom:0;height:auto;text-align:center;z-index:10; }
#menu ul li span div{position:absolute;top:0.3em;left:10%;}
#menu ul li span a{float:left;width:90%;height:1.9rem;line-height:1.9rem;font-size: 0.7rem; color:#000;text-decoration:none; border-bottom:1px solid #bbb;}
#menu ul li:nth-child(2) span a{font-size: 0.9rem;  }

.footer_front{position:fixed;width:100%;height:100%;top:0px;left:0px;z-index:888;display:none;}

#back{ width:10%; position:fixed; right:5px; top:25px;}