.overView_box{background:#f8f8f9;overflow:auto}.overView_box .banner{width:1234px;margin:0 auto}.el-tabs__item.is-active,.el-tabs__item:hover{color:#000}.el-tabs__active-bar{background-color:#000}.ageItem{flex:1;border-right:1px solid #e8e8e8;text-align:center;padding:20px 0}.ageItem:last-child{border-right:none}.content{position:relative}.content .contentTxt{position:absolute;bottom:0;cursor:pointer}.content .contentTxt .decs{height:0;overflow:hidden;transition:height .5s}.content .contentTxt:hover .decs{height:40px}