.mainframe {
  min-height: 800px;
}

.dqwz {
  margin-top: 20px;
  line-height: 40px;
}

.dqwzwz {
  color: #999999;
  font-size: 20px;
  cursor: pointer;
}
#zoom{
  font-size:18px;
}
#zoom p{
	line-height:40px;
  text-align: justify;
}
#zoom img{
    max-width: 600px;
}