#qybs {
  padding-top: 100px;
}
#qybs .container h2 {
  margin: 20px 0;
}
#qybs .container .file {
  display: flex;
  color: #444;
  font-size: 14px;
  margin: 30px 0;
  cursor: pointer;
}
#qybs .container .file img {
  width: 54px;
  margin-right: 10px;
}