.form-horizontal .form-group{
    margin-left: 0px !important;
    margin-right: 0px !important;
    margin-bottom: 5px !important;
}
.mess_span{
    color: red;
}
.sydialog{
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    border-radius: 25px;
    margin-bottom: 50px;
}
.sydialog_tit{
    font-size: 38px;
    font-family:"siyuan_bold";
}
.sydialog_form{
    display: flex;
    justify-content: center;
    margin-top: 20px;
}
.sydialog_form form{
    width: 95%;
}
.sydialog_form label{
    font-size: 16px;
}
@media (max-width: 850px) { 
    .sydialog{
        border:none
    }
    .sydialog_form form{
        width: 100%;
    }
    .sydialog_tit{
        font-size: 28px;
    }
    
}