.pro_btn
{
    width: 80px;
    height: 18px;
    position: absolute;
    z-index: 999999;
    display: block;
    cursor: hand;
    top: 0;
}
.pro_btn span
{
    display: none;
}
.pro_nav
{
    width: 262px;
    position: absolute;
    top: 15px;
    z-index: 999999;
    display: none;
}
.pro_nav .pro_title
{
    width: 262px;
    height: 9px;
    line-height: 1px;
    font-size: 1px;
    float: left;
}
.pro_nav .pro_title h4
{
    margin: 0 0 0 20px;
    float: left;
}
.pro_nav .pro_main
{
    width: 260px;
    border: 1px #DDD solid;
    border-top: none;
    padding: 0;
    background: #fff;
    float: left;
}
.pro_nav .pro_main .stop
{
    width: 40px;
    margin: 5px 0 5px 206px;
    display: inline;
    font-size: 11px;
    color: #333;
    clear: both;
    display: none;
}
.pro_nav .pro_main .stop a
{
    color: #333;
    font-weight: normal;
}