.main {
  margin-top: 60px;
}
.mainList {
  float: left; 
  width: 180px;
  border: 1px solid #e2e2e2;
  padding: 0 18px;
  box-sizing: border-box;
  font-size: 14px;
  color: #000;
  line-height: 50px;
  text-align: center;
}
.mainList li {
  border-bottom: 1px solid #d2d2d2;
  cursor: pointer;
}
.mainList li:nth-last-of-type(1) {
  border-bottom: none;
}
.mainList li.active,
.mainList li:hover {
  color: #394f99;
}
.mainList li.active a{
  color: #394f99;
  font-weight: 700;
}
.mainList li:hover a {
  text-decoration: none;
  font-weight: 900;
  color: #394f99;
}
.mainContent {
  float: right;
  width: 972px;
}
.mainTitle {
  position: relative;
  text-indent: 50px;
  font-size: 14px;
  line-height: 56px;
  color: #313131;
}
.mainTitle:after {
  position: absolute;
  content: '';
  left: 0;
  top: 0;
  width: 150px;
  height: 4px;
  background: #4562ab;
}

.mainImg {
  display: block;
  max-width: 100%;
  margin: 22px auto 0;
}
.subTitle {
  font-size: 16px;
  line-height: 1;
  color: #000;
  margin-top: 40px;
}
.itemCon {
  font-size: 14px;
  color: #333;
  line-height: 26px;
  margin-top: 30px;
}
.itemCon:nth-of-type(1) {
  margin-top: 20px;
}