.topbg {
    width: 100%;
    height: 280px;
    background: none;
    position: relative;}
.zjjj{ width:100%; height:auto;}
.zjjj li {
    width: 120px;
    height: 210px;
    float: left;
    text-align: center;
    line-height: 30px;
    padding: 10px 25px 0 25px;
    display: inline;}
.zjjj li img{width:120px; height:171px;}