.vsbcontent_img img{
margin:0 auto;}
.zy{    width: 100%;
    height: 38px;
    line-height: 41px;
    background: #f2f2f2;
    font-size: 15px;
    color: #999;
    padding: 0 36px;
    box-sizing: border-box;
    margin-top: 20px;}
.bt{ margin-top: 20px;color: #444;font-weight: bold; font-size: 22px;}