.mes {
  width: 1200px;
  margin: 0 auto;
}

.mes_title {
  margin: 0 auto;
  width: 420px;
  text-align: center;
  padding: 15px;
  color: #555;
}

.mes_title .mes_title_cn {
  font-size: 40px;
  padding: 10px;
  font-weight: 400;
}

.mes_title .mes_title_en {
  font-size: 30px;
}

.mes_cont {
  width: 1200px;
  height: 550px;
  position: relative;
  top: 0;
  left: 0;
  margin: 0 auto;
}

.mes_tbox {
  position: absolute;
}

.se1 {
  left: 0;
  top: 0;
  width: 450px;
  height: 480px;
}

.se2 {
  left: 450px;
  top: 0;
  width: 400px;
  height: 230px;
}

.se3 {
  left: 450px;
  top: 230px;
  width: 400px;
  height: 250px;
}

.se4 {
  left: 850px;
  top: 0;
  width: 350px;
  height: 160px;
}

.se5 {
  left: 850px;
  top: 160px;
  width: 350px;
  height: 160px;
}

.se6 {
  left: 850px;
  top: 320px;
  width: 350px;
  height: 160px;
}

.mes_tbox img {
  width: 100%;
  height: 100%;
}

.mes_ser {
  width: 1200px;
  margin: 0 auto;
}

.mes_ser ul li {
  float: left;
  text-align: center;
  width: 300px;
  height: 300px;
  margin-left: 80px;
}

.mes_ser ul li p {
  padding: 10px;
  color: #666;
  font-size: 25px;
}

.mes_ser ul li .mes_ser_icon {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background-color: #fff;
  text-align: center;
  line-height: 150px;
  color: #1d7fee;
  margin: 0 auto;
}

.mes_ser_icon .icon {
  font-size: 85px;
}

.mes_ser_icon img {
  width: 100%;
  height: 100%;
}

.cont_pe {
  height: 50px;
}