.nav_hover:hover{
    color: #409EFF;
}
.nav_a{
    text-decoration:none;
    color: #fff;
    display: block;
    float: left;
    margin-left: 20px;
    margin-top: 15px;
}
.nav_ul{
    float: left;
    margin-top: 0px;
    padding: 0px;
    width: 100px;
}
.nav_li{
    list-style-type:none;
    display: none;
    width: 100px;
}
.nav_li_a{
    background-color: #333333;
    width: 100%;
    margin-top: 0px;
    border-bottom:1px solid #555555;
    padding: 5px;
}
.article_nav_li{
    list-style-type:none;
}
.article_nav_a{
    text-decoration:none;
    /*color: #157dff;*/
}
.size14{
    font-size: 14px;
    color: #0F110C;
    text-decoration:none;
}
.size12{
    font-size: 12px;
    color: #0F110C;
    text-decoration:none;
}
/*.article_nav_ul{*/
    /*margin-left: -10px;*/
/*}*/