.lj{ width:100%; background:#f7f7f7;}

.ll{ width:100%; height:500px; position: relative; background:url(/0917images/duoyuzhongguo.jpg);}

.jj{ width:90%; height:auto; position: relative; left:60%; top:-300px; background:#fff; margin-left:-300px;}





@media only screen and (max-width:600px){



    bady{ width: 100%; }

    .lj{ width:100%; height:auto; background:#f7f7f7;}

    .ll{ width:100%; height:auto; position: relative; background:url(/0917images/duoyuzhongguo.jpg) width:100%; height:auto; }

    .jj{ width:100%; height:auto; position: relative; left:50%; top:-20px;background:#fff; margin-left:-10px;}

    .lj img{ width: 80%;}

    .lj span{ width: 100%; }

}