.main {
  background: url(../images/mainbk.jpeg) no-repeat center top transparent;
}
.mainbody {
  float: none;
  margin-left: auto;
  margin-right: auto;
  width: 1200px;
}
.mcon {
  width: 981px;
  margin-left: 63px;
}
.mcwho {
  margin-left: 14px;
}
.mcwho img {
  vertical-align: bottom;
}
.mucon {
  font-size: 14px;
  font-family: Arial,宋体;
  margin-top: 38px;
  line-height: 35px;
  height: 550px;
  color: #65778c;
  overflow: hidden;
}
.mucon table td {
  vertical-align: text-top;
}