.sub_nav {background:#f5f5f6 !important;}
.sub_nav li a:houver{ color:#4072ff; background: #ecf5ff;}
.current-a{font-size:12px;}
.nav-mid-second{    display:block;
    width:100%;
    height:50px;
    line-height: 50px;
    color:#535353;
    font-size:16px;
    font-weight: bold;
    text-align: center;
    border-bottom:1px solid #ddd;}