.statistical_data {
    margin: 20px 20px;
    padding: 14px 0;
    text-align: center;
    background-color: #eee;
    font-size: 14px;
}
.statistical_fir_p {
    font-size: 16px;
}
.statistical_data p {
    margin: 0 0;
}
.tab_list {
    padding: 14px 0;
    text-align: center;
    font-size: 14px;
    border: 1px solid #ccc;
}
.chatRecord{
    height: 500px;
}