.el-carousel__item h3{color:#475669;font-size:18px;opacity:1;margin:0;line-height:0;position:absolute;top:50%;width:100%;text-align:center;z-index:100}.el-carousel__item:nth-child(2n){background-color:#99a9bf}.portal-banner .el-carousel__item:first-child{display:block!important}.el-carousel__item:nth-child(odd){background-color:#d3dce6}.el-col{margin-bottom:20px}