.zxzz {
  float: left;
  width: 100%;
}
.zxzz .imgbg {
  margin-top: 50px;
  margin: 0 auto;
  width: 396px;
  height: 547px;
}
.zxzz .imgbg img {
  width: 100%;
  height: 100%;
}
.zxzz h3 {
  width: 100%;
  font-size: 24px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #646ba2;
  line-height: 52px;
  text-align: center;
}
@media screen and (max-width: 1000px) {
  .zxzz .imgbg {
    margin-top: 30px;
    width: 237.6px;
    height: 328.2px;
  }
}