.list_lingdao {
    width: 845px;
    min-height: 500px;}
.on1{width: 196px !important;
    height: 40px;
    line-height: 40px;
    display: block;
    font-size: 16px;
    color: #FFF !important;
    padding-left: 40px;
    background: #9e9e9e;
    border-left: #ff6600 4px solid;}