.ff-pp {
  font-family: PingFangSC-Medium, PingFang SC;
}

.ff-f {
  font-family: font-528-16179386412075;
  
}

.ff-f2 {
  font-family: Arial, Helvetica, sans-serif;
  
}

.ff-f3 {
  font-family: 宋体;
  
}

.ff-f4 {
  font-family: 中翰墨体;
  
}