.about-banner {
  width: 100%;
}
.about-banner img{
  width: 100%;
}
.about-nav-wrap {
  background: #F7F8FA;
}
.about-nav-wrap .about-nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1300px;
  margin: 0 auto;
}

.about-nav-wrap .about-nav .about-nav-item {
  padding: 22px 0;
  text-align: center;
  position: relative;
  font-size: 20px;
  color: #555555;
  /* font-family: 'pingfangsc-medium'; */
  cursor: pointer;
  line-height: 28px;
  font-weight: bold;
  -webkit-font-smoothing: antialiased
}

.about-nav-wrap .about-nav  .about-nav-item-active{
  color: #FF751F;
}

.about-nav-wrap .about-nav  .about-nav-item-active:after{
  content: '';
  width: 100%;
  height: 2px;
  background: #FF751F;
  position: absolute;
  bottom: 0;
  left: 0;
  animation: nav-link-open 0.3s forwards;
}

@keyframes nav-link-open {
  0%{
    width: 0%;
  }
  100%{
    width: 100%;
  }
}

.about-content{
  background: #ffffff;
}

.about-content .about-content-item {
  margin-top: 100px;
}

.about-content .about-content-item .title{
  color: #222;
  font-size: 40px;
  text-align: center;
  line-height: 56px;
  font-weight: bold;
  font-family: pingfangsc-medium;
}

.about-content .about-content-item .introduce{
  margin-top: 40px;
}

.about-content .about-content-item .introduce p {
  margin-top: 0;
  margin-bottom: 40px;
  font-size: 20px;
  line-height: 32px;
  word-wrap: break-word;
  word-break: break-all;
  color: #222;
  font-family: pingfangsc-medium;
}

.about-content .about-content-item .introduce p:last-child{
  margin: 0;
}

.about-content .about-content-item .introduce p span{
  color: #FF751F;
}

.about-content .about-content-item .wholeImg{
  width: 100%;
}

.about-content .about-content-item .about-content-course-list {
  margin-top: 23px;
}

.about-content .about-content-item .about-content-course-list .about-content-course-list-link{
  width: 10px;
  margin-left: calc(50% - 10px);
  margin-bottom: -4px;
  position: relative;
  z-index: 2;
}

.about-content .about-content-item .about-content-course-list .course-item{
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-content .about-content-item .about-content-course-list .course-item-left .course-item-content{
  text-align: right;
}

.about-content .about-content-item .about-content-course-list .course-item-right .course-item-content{
  text-align: left;
}

.about-content .about-content-item .about-content-course-list .course-item .course-item-time{
  width: 160px;
  margin: 0 24px;
  text-align: center;
  font-size: 32px;
  color: #FF751F;
  padding: 28px 0;
  background: #FFF4ED;
}

.about-content .about-content-item .about-content-course-list .course-item .course-item-content{
  width: 473px;
  color: #222222;
  font-family: pingfangsc-medium;
  font-size: 20px;
  line-height: 32px;
}

.about-content .about-content-item .map{
  width: 100%;
  position: relative;
  margin-top: 65px;
}

.about-content .about-content-item .map .china-map{
  width: 100%;
}

.about-content .about-content-item .map .map-item{
  position: absolute;
}

.about-content .about-content-item .map .circle-one,.about-content .about-content-item .map .circle-two {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.about-content .about-content-item .map .circle{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: openCircle 3s infinite;
  border-radius: 50%;
}

.about-content .about-content-item .map .circle-one .circle{
  background: RGBA(247, 89, 28, 0.5);
}

.about-content .about-content-item .map .circle-two .circle{
  background: RGBA(247, 89, 28, 0.3);
}

@keyframes openCircle {
  0% {
    width: 72px;
    height: 72px;
  }
  100% {
    width: 100%;
    height: 100%;
  }
}

.about-content .about-content-item .map .map-item .map-item-index{
  width: 72px;
  height: 72px;
  background: #F7591C;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  z-index: 3;
}

.about-content .about-content-item .map .map-item .map-item-index p{
  color: #fff;
  margin: 0;
  text-align: center;
  font-size: 14px;
}

.about-content .about-content-item .map .map-item .map-item-index img{
  width: 22px;
  margin-top: 15px;
  margin-left: 25px;
}

.about-content .about-content-item .work-place{
  margin-top: 93px;
  background: #F7F8FA;
  box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.08);
  border: 1px solid #DDDDDD;
}

.about-content .about-content-item .work-place .work-place-header{
  border-bottom: 2px solid #DDDDDD;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 5%;
  box-sizing: border-box;
}

.about-content .about-content-item .work-place .work-place-header .place-header-item{
  color: #555555;
  font-family: pingfangsc-medium;
  font-size: 20px;
  line-height: 28px;
  padding-top: 22px;
  padding-bottom: 20px;
  font-weight: bold;
  cursor: pointer;
}

.about-content .about-content-item .work-place .work-place-header .place-header-item-active{
  color: #FF751F;
  position: relative;
}

.about-content .about-content-item .work-place .work-place-header .place-header-item-active::after{
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 100%;
  background: #FF751F;
  animation: nav-link-open 0.3s forwards;
}

.about-content .about-content-item .work-place .work-place-content-wrap{
  overflow: hidden;
  position: relative;
  height: 288px;
}

.about-content .about-content-item .work-place .work-place-content-wrap .work-place-content{
  display: flex;
  position: absolute;
  top: 0;
}

.about-content .about-content-item .work-place .work-place-content-wrap .work-place-content .place-content-item{
  width: 1298px;
  height: 100%;
  flex-shrink: 0;
  box-sizing: border-box;
  padding: 0 100px;
}

.about-content .about-content-item .work-place .work-place-content-wrap .work-place-content .place-content-item .place-content-item-title{
  margin-top: 48px;
  margin-bottom: 24px;
  color: #222;
  font-size: 32px;
  line-height: 45px;
  font-family: pingfangsc-heavy;
  font-weight: bold;
}

.about-content .about-content-item .work-place .work-place-content-wrap .work-place-content .place-content-item .place-content-item-detail{
  margin-top: 16px;
  font-size: 18px;
  line-height: 28px;
  color: #555555;
  font-family: pingfangsc-medium;
}

.about-content .about-content-item .honor{
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 64px;
}

.about-content .about-content-item .honor .honor-item {
  width: 25%;
}

.about-content .about-content-item .honor .honor-item .honor-img{
  width: 290px;
  height: 290px;
  position: relative;
  margin: 0 auto;
}

.about-content .about-content-item .honor .honor-item .honor-img .circle{
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #F7F8FA;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

.about-content .about-content-item .honor .honor-item .honor-img img{
  height: 100%;
  margin:  0 auto;
  position: relative;
  z-index: 1;
}

.about-content .about-content-item .honor .honor-item .honor-title-wrap{
  margin-top: 24px;
  margin-bottom: 40px;
}

.about-content .about-content-item .honor .honor-item .honor-title-wrap .honor-title{
  text-align: center;
  font-size: 18px;
  color: #222222;
  line-height: 25px;
  font-family: pingfangsc-medium;
  font-weight: bold;
}