.course_content {
  padding: 0.724rem;
}
.course_content .course_bg {
  position: relative;
  margin-bottom: 3.14rem;
}
.course_content .course_bg img {
  width: 18.6rem;
  height: 13.43rem;
}
.course_content .course_bg div {
  margin: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  font-family: PingFangSC-Regular;
  font-size: 1.25rem;
  color: #ffffff;
  letter-spacing: 0.26px;
  text-align: center;
  line-height: 1.932rem;
}
.course_content .course_tit {
  font-family: PingFangSC-Regular;
  font-size: 1.16rem;
  color: #13356c;
  letter-spacing: 0;
  text-align: center;
  position: relative;
  margin-bottom: 16px;
  margin-top: 2.4155rem;
}
.course_content .course_tit::before {
  content: "";
  position: absolute;
  z-index: 99;
  bottom: -0.773rem;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0.957rem;
  height: 2px;
  background: #2c435b;
}
.course_content .course_tit::after {
  content: "";
  position: absolute;
  bottom: -0.773rem;
  left: 48%;
  transform: translate(-50%, -50%);
  width: 0.957rem;
  height: 2px;
  background: #bcc6d0;
}
.course_content .course_bg2 {
  width: 18.6rem;
  height: 9.324rem;
  margin: 2.899rem 0 2.145rem 0;
}
.course_content .course_bg3 {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.449rem;
}
.course_content .course_bg3 img {
  width: 6.957rem;
  height: 1.256rem;
}
.course_content .course {
  padding: 0 1.352rem;
  font-family: PingFangSC-Regular;
  font-size: 0.773rem;
  color: #242526;
  letter-spacing: 0.2px;
  line-height: 1.352rem;
  margin-bottom: 2.801rem;
}
.course_content .course_item {
  padding: 0 1.352rem;
  margin-bottom: 1.353rem;
} 
.course_content .course_item h2 {
  font-family: PingFangSC-Regular;
  font-size: 1rem;
  color: #0b3666;
  letter-spacing: 1.72px;
  margin-bottom: 0.773rem;
}
.course_content .course_item .course_item_con {
  font-family: PingFangSC-Regular;
  font-size: 0.773rem;
  color: #242526;
  letter-spacing: 0.2px;
  line-height: 1.353rem;
}
.course_content .develop_item {
  padding: 0 3.188rem;
  margin: 2.415rem 0 3.381rem;
}
.course_content .develop_item .develop_ul li {
  font-size: 0.7194rem;
  color: #f6f6f6;
  min-height: 2.8777rem;
  line-height: 2.8777rem;
  border-bottom: 1px solid #e7e7e7;
  position: relative;
}
.course_content .develop_item .develop_ul li .fx {
  color: #13356c;
  font-family: AvantGardeITCbyBT-Medium;
  font-size: 1.256rem;
  color: #13356C;
  letter-spacing: -0.69px;
}
.course_content .develop_item .develop_ul li .fx i {
  color: #747474;
  font-size: 1rem;
  padding-right: 1rem;
}
.course_content .develop_item .develop_ul li .hover_box {
  width: 100%;
  height: 0;
  overflow: hidden;
  transition: height 0.5s;
  position: relative;
  display: block;
}
.course_content .develop_item .develop_ul li .hover_box span {
  display: block;
  width: 100%;
  font-size: 0.6715rem;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #a2a2a2;
}
.course_content .develop_item .develop_ul li .active {
  height: auto;
  border-top: 1px solid #747474;
}
.course_content .develop_item .show_Temp .show_box {
  opacity: 0;
  display: none;
  transition: opacity 0.5s;
  position: fixed;
  z-index: 998;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: #E7E7E7;
  padding-top: 3.693rem;
  flex-direction: column;
  overflow-y: scroll;
}
.course_content .develop_item .show_Temp .show_box .close_ {
  width: 1.2077rem;
  height: 1.2077rem;
  margin-right: 0.7674rem;
  margin-top: 1.6425rem;
  margin-bottom: 4.3478rem;
  align-self: flex-end;
  background-repeat: no-repeat;
  background-position: center;
  -webkit-background-size: contain;
  background-size: contain;
  opacity: 1;
  flex-shrink: 0;
  background-image: url('../images/close .png');
}
.course_content .develop_item .show_Temp .show_box .img_box {
  padding: 0 1.5942rem;
}
.course_content .develop_item .show_Temp .show_box .img_box img {
  width: 100%;
}
.course_content .develop_item .show_Temp .show_box .content {
  padding: 0 1.5942rem;
  padding-top: 1.8357rem;
}
.course_content .develop_item .show_Temp .show_box .content .date {
  padding: 0 1.4493rem;
  margin-bottom: 1.9324rem;
}
.course_content .develop_item .show_Temp .show_box .content .date i {
  font-family: DIN-Bold;
  font-size: 0.9662rem;
  color: #13356C;
  display: block;
  margin-bottom: 0.4831rem;
}
.course_content .develop_item .show_Temp .show_box .content .date span {
  font-family: DINAlternate-Bold;
  font-size: 1.9324rem;
  color: #001700;
  display: block;
  line-height: 1.1594rem;
}
.course_content .develop_item .show_Temp .show_box .content .cont {
  padding: 0 1.4493rem;
  font-size: 0.7729rem;
  color: #000000;
  line-height: 1.4493rem;
}
.course_content .develop_item .show_ .show_box {
  opacity: 1;
  display: flex;
}
.course_content .team_leader {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  margin: 2.512rem 0 6.28rem;
}
.course_content .team_leader ul {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-around;
}
.course_content .team_leader .show_Temp .show_box {
  opacity: 0;
  display: none; 
  -webkit-transition: opacity 0.5s;
  -o-transition: opacity 0.5s;
  transition: opacity 0.5s;
  position: fixed;
  z-index: 998;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: #E7E7E7;
  padding-top: 3.693rem;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  overflow-y: scroll;
}
.course_content .team_leader .show_Temp .show_box .close_ {
  width: 1.2077rem;
  height: 1.2077rem;
  margin-right: 1.1594rem;
  margin-top: 1.6425rem;
  margin-bottom: 0.5797rem;
  -ms-flex-item-align: end;
      align-self: flex-end;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 1;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  background-image: url('../images/close .png');
}
.course_content .team_leader .show_Temp .show_box .info {
  text-align: center;
}
.course_content .team_leader .show_Temp .show_box .info img {
  width: 5.7971rem;
  height: 5.7971rem;
  border-radius: 50%;
  margin-bottom: 1.4324rem;
  display: inline-block;
}

.course_content .team_leader .show_Temp .show_box .info h3 {
  font-size: 0.8696rem;
  color: #000000;
  text-align: center;
  line-height: 1.7391rem;
}
.course_content .team_leader .show_Temp .show_box .info p {
  font-size: 0.5797rem;
}
.course_content .team_leader .show_Temp .show_box .img_box {
  padding: 0 1.5942rem;
}
.course_content .team_leader .show_Temp .show_box .img_box img {
  width: 100%;
}
.course_content .team_leader .show_Temp .show_box .content {
  padding: 0 1.5942rem;
  padding-top: 1.8357rem;
}
.course_content .team_leader .show_Temp .show_box .content .date {
  padding: 0 1.4493rem;
  margin-bottom: 1.9324rem;
}
.course_content .team_leader .show_Temp .show_box .content .date i {
  font-family: DIN-Bold;
  font-size: 0.9662rem;
  color: #13356C;
  display: block;
  margin-bottom: 0.4831rem;
}
.course_content .team_leader .show_Temp .show_box .content .date span {
  font-family: DINAlternate-Bold;
  font-size: 1.9324rem;
  color: #001700;
  display: block;
  line-height: 1.1594rem;
} 
.course_content .team_leader  .show_box .content .cont {
    font-size: 0.6763rem;
    color: #4C4C4C;
    text-align: justify;
    line-height: 1.3527rem;
    margin-bottom: 0.9662rem;
}
.course_content .team_leader  .show_box p {
      font-size: 0.5797rem;
}
.course_content .team_leader .show_ .show_box {
  opacity: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.course_content .team_leader .ceo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.course_content .team_leader .ceo img {
  width: 5.797rem;
  height: 5.797rem;
}
.course_content .team_leader .ceo .name {
  font-family: PingFangSC-Regular;
  font-size: 0.87rem;
  color: #000000;
  letter-spacing: 0.05px;
  text-align: center;
  margin: 1.884rem 0 0.8rem;
}
.course_content .team_leader .ceo .introduce {
  font-family: PingFangSC-Light;
  font-size: 0.676rem;
  color: #000000;
  letter-spacing: 0.04px;
  text-align: center;
}
.course_content .team_leader .partner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.course_content .team_leader .partner img {
  width: 5.797rem;
  height: 5.797rem;
}
.course_content .team_leader .partner .name {
  font-family: PingFangSC-Regular;
  font-size: 0.87rem;
  color: #000000;
  letter-spacing: 0.05px;
  text-align: center;
  margin: 1.884rem 0 0.8rem;
}
.course_content .team_leader .partner .introduce {
  font-family: PingFangSC-Light;
  font-size: 0.676rem;
  color: #000000;
  letter-spacing: 0.04px;
  text-align: center;
}