.index-section{
   width: 68%;
   margin: auto;
}
.index-section .g-row h3{
    margin-bottom: 0;
    font-size: 20px;
    font-weight: 600;
}
.index-section .g-row .gray{
    font-size:16px;
    color: #999;
}
.wrap_box{
    margin-top: 38px;
}
.wrap_box .nav{
    border-bottom: solid 1px #ccc;
}
.wrap_box .nav .nav_item{
    display: inline-block;
    font-size: 18px;
    font-weight: 600;
    line-height: 40px;
    border-bottom: solid 1px #39477d;
}
.wrap_box .row_txt li{
    margin-top: 14px;
    font-size: 16px;
    color: #636464;
    line-height: 36px;
}