/*头部样式*/
.bannerList{
    padding: 100px 0;
    background-image: url(https://www.dgylec.com/static/web/images/latest-news.jpg);
}
.bannerList .titleBox:after {
    display: block;
    content: "";
    width: 94px;
    height: 3px;
    background-color: #296caf;
    margin-top: 30px;
}

/*主体*/