.nav li:nth-child(3){
    background-color: #125db1;
}
.nav li:nth-child(7){
    background-color: #f26621;
}
.Company_rt{
    width: 100%;

}
.Company_rt_neirong a:hover{

    color: #1974A1;
    text-decoration: underline;

}
#category_description_short{
    /*text-align: center;*/
}