.nav ul>li{    float: left;
    width: 12%;}
.show_ewm{
    display:none;
    width: 100%;
    position: absolute;
    left: -5px;
    margin-top: 14px;
    padding: 20px 0;
    border-left: 5px solid #ff601a;
    text-align: center;
    background: #fff;
    box-sizing: content-box;
    z-index:99;}
.show_ewm img{
    display: inline-block;
    width: 150px;
    height: 150px;}
.row-2d .col-r{
    overflow:visible;}
.m-content8{
    overflow:visible;}