.about-nav {
  width: 100%;
  text-align: center;
}
.about-nav a {
  display: inline-block;
  width: 2.2rem ;
  margin: 0 1.62rem;
  font-size: 0.45rem;
  line-height: 2rem;
  text-align: center;
}
.about-nav a.active {
  border-bottom: 2px solid #01B436;
  color: #01B436;
}
.con {
  padding: 1rem 0;
  background-color: #F9F7F8;
}
.con .intro {
  padding-bottom: 4.5rem;
}
.con .intro img {
  width: 13rem;
  height: 6.5rem;
  display: inline-block;
  margin: 1.4rem 0 1.4rem 1.2rem;
}
.con .intro p {
  padding-top: 0.6rem;
  font-size: 0.45rem;
  letter-spacing: 0.05rem;
}
.con .course {
  position: relative;
  width: 100%;
  height: 18.6rem;
  background-image: url('../images/licheng.png');
  -webkit-background-size: 100% 100%;
  background-size: 100% 100%;
  background-color: #fff;
}
.con .course div {
  width: 3.375rem;
  position: absolute;
}
.con .course div h2 {
  font-size: 0.55rem;
  line-height: 0.8rem;
}
.con .course div p {
  font-size: 0.4rem;
  line-height: 0.5rem;
}
.con .course div:nth-child(1) {
  left: 4rem;
  top: 2rem;
}
.con .course div:nth-child(2) {
  top: 2.1rem;
  left: 8.5rem;
}
.con .course div:nth-child(3) {
  top: 5.04rem;
  right: 9.5rem;
}
.con .course div:nth-child(4) {
  top: 10rem;
  left: 5.425rem;
}
.con .course div:nth-child(5) {
  top: 9.3rem;
  right: 3.425rem;
}
.con .aptitude {
  padding-bottom: 1rem;
  background-color: #fff;
}
.con .aptitude div{
  display: flex;
  justify-content: space-around;
}
.con .aptitude div:nth-child(2){
  position: relative;
  margin-top:20px;
}
.con .aptitude div:nth-child(3){
  display: flex;
  justify-content: space-around;
}
.con .aptitude div img {
  display: inline-block;
  width: 9rem;
  height: 6rem;
  background-color:black;
}
.con .aptitude div:nth-child(3) img{
  display: inline-block;
  transform:  rotate(0deg);
  margin: 0 auto;
  width: 6rem;
  height: 8rem;
}


.con .contact {
  padding: 0.5rem 0;
  background-color: #fff;
}
.con .contact #dituContent {
  width: 14rem;
  height: 12rem;
  margin: 3rem 1rem;
}
.con .contact div {
  float: left;
}
.con .contact div ul {
  margin-left: 0.5rem;
  margin-top: 4rem;
}
.con .contact div ul li {
  margin-top: 1rem;
}
.con .contact div ul li i {
  font-size: 0.8rem;
  position: relative;
  top: 0.2rem;
}
.con .contact div ul li span {
  display: inline-block;
  position: relative;
  top: 0.7rem;
}