/* sub tab */
.sub_tab {
    width:100%;    
    height:60px;
    background-color:#f6f6f6;
    box-shadow:5px 8px 15px rgba(0,0,0,0.2);
    border-bottom:1px solid #eaeaea;
    box-sizing:border-box;
    z-index:9999999;
    position:relative;
    overflow: hidden;
}
.sub_tab .inner {
    width:1240px;
    padding:0 20px;
}