.birthday{
    background: #fff;
    padding: 16px;
}
.birthday-title{
    text-align: center;

}
.birthday-subtitle{
    font-size: 18px;
    font-family: PingFangSC-Light;
    font-weight: 600;
}
.birthday-content{
    white-space: pre-wrap;
    font-size: 16px;
    color: #909399;
    line-height: 2;
    text-align: justify;
    margin-bottom: 7px;
    font-family: PingFangSC-Light;
//首行缩进2字符
// text-indent: 2em;
}
.birthday-nav-title{
    font-size: 14px;
}