.mainContent {
  width: 960px;
  margin: 0 auto;
}
.mainContent header {
  display: flex;
  justify-content: space-between;
  padding: 20px 0;
  border-top: solid 8px #f7f7f7;
  border-bottom: solid 8px #f7f7f7;
  margin-bottom: 10px;
}
.mainContent header img {
  width: 300px;
  margin-top: 10px;
}
.mainContent header ul {
  list-style: none;
  display: flex;
  justify-content: space-between;
  width: 530px;
  padding: 0;
  margin: 0;
}
.mainContent header a {
  display: inline-block;
  width: 90px;
  height: 20px;
  line-height: 19px;
  text-align: center;
  font-size: 13px;
  margin-top: 16px;
  border-left: solid 3px #6891c1;
  border-right: solid 3px #6891c1;
  text-decoration: none;
  color: inherit;
}
.mainContent header ul li {
  margin-top: 10px;
}
.mainContent header ul li a {
  width: auto;
  padding: 5px;
  vertical-align: middle;
  margin-top: 0;
  font-size: 16px;
  border: none;
}
.mainContent header ul li:hover a {
  color: #6891c1;
  border-top: 3px solid #6891c1;
  border-bottom: 3px solid #6891c1;
}

.mainIndex img {
  width: 100%;
}
.mainIndex p {
  font-size: 14px;
}

.positionCustom {
  position: relative;
}
.positionCustom ul {
  position: absolute;
  list-style: none;
  background: #fff;
  top: 13px;
  width: 100%;
  height: 223px;
  text-align: left;
}
.positionCustom ul li {
  margin: 0 30px;
  line-height: 32px;
  border-bottom: solid 2px #ebebeb;
}
.positionCustom ul li i {
  display: inline-block;
  letter-spacing: 0;
  color: #a2c449;
  font-weight: normal;
  font-style: normal;
  font-size: 16px;
  margin-right: 10px;
  padding: 0 10px 0 0;
  border-right: solid 2px #ebebeb;
  height: 20px;
  line-height: 20px;
}
.positionCustom ul li a {
  text-decoration: none;
  color: #000;
  font-weight: bold;
  font-size: 12px;
  letter-spacing: 2px;
  line-height: 32px;
}
.positionCustom ul li:last-child {
  border-bottom: none;
}
.positionCustom ul li:hover i{
  color: red;
  padding: 0 10px;
}