* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

:root,
html {
  font-size: 13.3333333333vw;
}

.main {
  width: 100%;
  background-color: #ffffff;
  overflow: hidden;
}

.main ul {
  list-style: none;
}

.main ul li>img {
  width: 100%;
  height: auto;
  display: block;
}

.swiper {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.swiper .swiper-slide {
  position: relative;
  width: 100%;
  text-align: center;
  height: 8.96rem;
}

.swiper .swiper-slide .slide-bg {
  width: 100%;
  height: 100%;
  display: block;
  -o-object-fit: cover;
  object-fit: cover;
  -o-object-position: center;
  object-position: center;
  cursor: pointer;
}

.swiper .swiper-container-horizontal>.swiper-pagination-bullets,
.swiper .swiper-pagination-custom,
.swiper .swiper-pagination-fraction {
  bottom: 0.4rem;
}

.swiper .swiper-pagination-bullet {
  background-color: #ffffff;
  opacity: 0.7;
}

.swiper .swiper-pagination-bullet-active {
  width: 0.6rem;
  background-color: #ffffff;
  border-radius: 0.08rem;
  opacity: 1;
}

.teacher-list-wrapper {
  position: relative;
  z-index: 1;
  margin-top: 0.48rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  justify-content: flex-end;
}

.teacher-list {
  position: relative;
  width: 5.28rem;
  overflow: hidden;
}

.teacher-list.last-avatar .arrow-left {
  display: block;
}

.teacher-list.last-avatar .arrow-right {
  display: none;
}

.teacher-list.last-avatar .teacher-list-container {
  -webkit-transform: translateX(-3.24rem);
  -ms-transform: translateX(-3.24rem);
  transform: translateX(-3.24rem);
}

.teacher-list .arrow-left,
.teacher-list .arrow-right {
  position: absolute;
  top: 50%;
  z-index: 5;
  height: 0.8rem;
  width: auto;
  display: block;
  cursor: pointer;
}

.teacher-list .arrow-left {
  left: 0;
  -webkit-transform: translateY(-50%) rotate(180deg);
  -ms-transform: translateY(-50%) rotate(180deg);
  transform: translateY(-50%) rotate(180deg);
  display: none;
}

.teacher-list .arrow-right {
  right: 0;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  display: block;
}

.teacher-list .teacher-list-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
  -webkit-transition: all 0.2s;
  -o-transition: all 0.2s;
  transition: all 0.2s;
}

.teacher-list .teacher-item {
  cursor: pointer;
}

.teacher-list .teacher-item.is-selected img {
  border: 0.01rem solid #ce2626;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.teacher-list .teacher-item+.teacher-item {
  margin-left: 0.12rem;
}

.teacher-list .teacher-item img {
  width: 0.96rem;
  height: 0.96rem;
  display: block;
  background: #868996;
  border-radius: 0.1rem;
}

.teacher-card-list .teacher-card:nth-child(1)>img {
  left: -0.96rem;
  width: 4.12rem;
}

.teacher-card-list .teacher-card:nth-child(2)>img {
  left: -1.16rem;
  width: 5.12rem;
}

.teacher-card-list .teacher-card:nth-child(3)>img {
  left: -0.92rem;
  width: 4.08rem;
}

.teacher-card-list .teacher-card:nth-child(4)>img {
  left: -0.32rem;
  width: 3.48rem;
}

.teacher-card-list .teacher-card:nth-child(5)>img {
  left: -1.04rem;
  width: 4.56rem;
}

.teacher-card-list .teacher-card:nth-child(6)>img {
  left: -1rem;
  width: 4.8rem;
}

.teacher-card-list .teacher-card:nth-child(7)>img {
  left: -0.64rem;
  width: 3.6rem;
}

.teacher-card-list .teacher-card:nth-child(8)>img {
  left: -0.64rem;
  width: 3.8rem;
}

.teacher-card {
  display: none;
  position: relative;
  height: 5rem;
}

.teacher-card.is-selected {
  display: block;
}

.teacher-card>img {
  position: absolute;
  left: -0.36rem;
  bottom: 0;
  width: 3.8rem;
}

.teacher-card .teacher-content {
  margin-left: 3.6rem;
  padding-top: 0.64rem;
}

.teacher-card .teacher-name {
  font-size: 0.32rem;
  font-family: Source Han Sans CN;
  font-weight: bold;
  color: #3c3c47;
  line-height: 0.48rem;
}

.teacher-card .teacher-flag {
  margin-top: 0.16rem;
  font-size: 0.24rem;
  color: #ce2626;
  line-height: 0.4rem;
}

.teacher-card .teacher-experience {
  margin-top: 0.16rem;
  font-size: 0.24rem;
  font-family: Source Han Sans CN;
  font-weight: 400;
  color: #4e4e5e;
  line-height: 0.48rem;
  opacity: 0.9;
}

.teacher-card .teacher-experience li {
  position: relative;
  padding-left: 0.32rem;
}

.teacher-card .teacher-experience li::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 0.16rem;
  width: 0.16rem;
  height: 0.16rem;
  background: #ffffff;
  border: 0.02rem solid #ce2626;
  border-radius: 50%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}