.sec1 {
  margin-top: 30px;
  overflow: hidden;
}
.sec1 .cel {
  width: 50%;
  float: left;
  margin-bottom: 50px;
}
.sec1 .cel .pic img {
  display: block;
  width: 500px;
  height: 300px;
  margin: 0px auto;
}
.sec1 .cel .title {
  line-height: 30px;
  font-size: 18px;
  color: #323232;
  text-align: center;
  margin-top: 20px;
}