.pcc {
  line-height: 26px;
  font-size: 14px;
  color: #666666;
  font-family: 'Microsoft Yahei';
  text-indent: 2em;
  white-space: pre-line;
}
.aboimg {
  width: 600px;
  height: 240px;
  line-height: 235px;
  text-align: center;
  margin: 0 auto;
  margin-top: 20px;
  border: 1px solid #cfcfcf;
  box-sizing: border-box;
}
.aboimg img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}