#section1 .video {
  position: relative;
  width: 940px;
  height: 380px;
  margin: 67px auto 10px;
}
#section1 .video > div {
  box-sizing: border-box;
  position: absolute;
}
#section1 .video .info {
  width: 383px;
  height: 288px;
  padding: 93px 29px 50px;
  font-size: 16px;
  line-height: 27px;
  text-align: left;
  box-shadow: 0 11px 46px 6px rgba(0, 0, 0, 0.08);
  left: 0;
  top: 47px;
  z-index: 2;
  background-color: #ffffff;
  border-radius: 10px;
}
#section1 .video .info:before {
  position: absolute;
  display: block;
  content: '';
  width: 36px;
  height: 34px;
  background: url("../../images/training/youxue/yin.png") center center no-repeat;
  background-size: contain;
  left: 25px;
  top: 35px;
}
#section1 .video .player {
  width: 607px;
  height: 380px;
  right: 0;
  z-index: 1;
  border-radius: 10px;
}
#section1 .video .player img {
  width: 100%;
  height: 100%;
}
#section2 .part1 {
  width: 1180px;
  margin: 80px auto 0;
}
#section2 .part1 img {
  width: 280px;
  height: 244px;
  margin-right: 13px;
}
#section2 .part1 img:hover {
  transform: translateY(-5px);
  transition: 0.8s;
  box-shadow: 0 11px 46px 6px rgba(66, 134, 243, 0.1);
}
#section2 .part1 img:last-child {
  margin-right: 0;
}
#section3 .part1 {
  margin-top: 80px;
}
#section3 .part1 .heikeji {
  width: 1366px;
  margin: 0 auto;
  padding: 45px 20px;
  box-sizing: border-box;
}
#section3 .part1 .heikeji .item {
  width: 50%;
  float: left;
  text-align: left;
  box-sizing: border-box;
  padding-left: 70px;
  padding-right: 65px;
}
#section3 .part1 .heikeji .item h3 {
  position: relative;
  font-size: 18px;
  font-weight: bold;
  line-height: 72px;
}
#section3 .part1 .heikeji .item h3:after {
  position: absolute;
  display: block;
  content: '';
  width: 24px;
  height: 4px;
  border-radius: 4px;
  background-color: #4286f3;
  left: 0;
  bottom: 10px;
}
#section3 .part1 .heikeji .item p {
  font-size: 16px;
  line-height: 27px;
}
#section3 .part1 .img-swiper {
  width: 1283px;
  margin: 0 auto;
  position: relative;
  height: 325px;
  padding: 1px;
}
#section3 .part1 .img-swiper .s-arrow {
  float: left;
  margin-left: 50px;
}
#section3 .part1 .img-swiper .s-arrow span:nth-of-type(1) {
  display: inline-block;
  font-size: 30px;
  transform: rotate(270deg);
  color: #dcdcdc;
  cursor: pointer;
}
#section3 .part1 .img-swiper .s-arrow span:nth-of-type(2) {
  display: inline-block;
  font-size: 30px;
  transform: rotate(-270deg);
  margin-left: 15px;
  color: #4286f3;
  cursor: pointer;
}
#section3 .part1 .img-swiper .yjkj {
  width: 1181px;
  margin-top: 60px;
}
#section3 .part1 .img-swiper .yjkj .swiper-slide {
  width: 240px;
  height: 320px;
}
#section3 .part1 .img-swiper .yjkj .swiper-slide img {
  width: 100%;
  height: 100%;
}
#section3 .part1 .img-swiper .yjkj .swiper-slide .text {
  margin-top: 18px;
}
#section3 .part2 {
  margin-top: 176px;
}
#section3 .part2 .jike {
  width: 1181px;
  height: 570px;
  margin-top: 60px;
  padding-bottom: 170px;
}
#section3 .part2 .jike .swiper-slide {
  width: 220px;
  height: 220px;
}
#section3 .part2 .jike .swiper-slide .text {
  margin-top: 18px;
}
#section3 .part2 .jike .swiper-pagination {
  bottom: 125px;
}
#section3 .part2 .jike .swiper-pagination-bullet {
  width: 26px;
  height: 4px;
  border-radius: 4px;
}
#section3 .part3 {
  background: linear-gradient(to bottom right, #4088f4, #26a5fd);
  padding: 94px 0 100px;
}
#section3 .part3 .en-title {
  color: #ffffff;
}
#section3 .part3 .en-title span {
  color: #4ca3f9;
}
#section3 .part3 .s-icon ul {
  width: 1200px;
  margin: 80px auto 0;
}
#section3 .part3 .s-icon ul li {
  float: left;
  width: 33.33%;
}
#section3 .part3 .s-icon ul li span {
  display: inline-block;
  width: 60px;
  height: 60px;
  background: #fff;
  border-radius: 50%;
  border: 14px solid #69aaf8;
  color: #4286f3;
  font-size: 63px;
  line-height: 60px;
}
#section3 .part3 .s-icon ul li em {
  font-style: normal;
  color: #fff;
  font-size: 22px;
  margin-top: 13px;
  display: inline-block;
}
#section3 .part3 .s-icon ul li:hover span {
  transform: rotate(360deg);
  transition: 0.8s;
}
#section3 .part3 .b-icon ul {
  width: 1260px;
  margin: 60px auto 0;
}
#section3 .part3 .b-icon ul li {
  float: left;
  border: 1px solid #fff;
  margin-left: -1px;
  width: 314px;
  height: 90px;
  position: relative;
}
#section3 .part3 .b-icon ul li:nth-of-type(1) div {
  background: url("../../images/training/youxue/b/bg.png") no-repeat center;
  background-position: -10px -10px;
  width: 160px;
  height: 39px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -80px;
  margin-top: -19.5px;
  line-height: 39px;
}
#section3 .part3 .b-icon ul li:nth-of-type(2) div {
  background: url("../../images/training/youxue/b/bg.png") no-repeat center;
  background-position: -7px -133px;
  width: 183px;
  height: 28px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -91.5px;
  margin-top: -14px;
}
#section3 .part3 .b-icon ul li:nth-of-type(3) div {
  background: url("../../images/training/youxue/b/bg.png") no-repeat center;
  background-position: -7px -229px;
  width: 170px;
  height: 53px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -85px;
  margin-top: -26.5px;
}
#section3 .part3 .b-icon ul li:nth-of-type(4) div {
  background: url("../../images/training/youxue/b/bg.png") no-repeat center;
  background-position: -221px -30px;
  width: 123px;
  height: 30px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -61.5px;
  margin-top: -15px;
}
#section3 .part3 .b-icon ul li:hover {
  background: #fff;
}
#section3 .part3 .b-icon ul li:hover:nth-of-type(1) div {
  background-position: -10px -76px;
}
#section3 .part3 .b-icon ul li:hover:nth-of-type(2) div {
  background-position: -7px -179px;
}
#section3 .part3 .b-icon ul li:hover:nth-of-type(3) div {
  background-position: -7px -301px;
}
#section3 .part3 .b-icon ul li:hover:nth-of-type(4) div {
  background-position: -221px -85px;
}
#section3 .part4 {
  margin-top: 120px;
  margin-bottom: 195px;
}
#section3 .part4 .list {
  width: 1181px;
  margin: 0 auto;
}
#section3 .part4 .list .list-title {
  position: relative;
  font-size: 18px;
  line-height: 24px;
  text-align: left;
  margin: 55px 0 36px;
}
#section3 .part4 .list .list-title:after {
  position: absolute;
  display: block;
  content: '';
  width: 24px;
  height: 4px;
  border-radius: 4px;
  left: 0;
  bottom: -10px;
  background-color: #0273ff;
}
#section3 .part4 .list ul li {
  width: 280px;
  height: 263px;
  float: left;
  margin-right: 20px;
  background-color: #fff;
  box-shadow: 0 11px 46px 6px rgba(0, 0, 0, 0.08);
}
#section3 .part4 .list ul li:last-child {
  margin-right: 0;
}
#section3 .part4 .list ul li .text {
  font-size: 16px;
  line-height: 80px;
}
#section3 .part4 .list ul li:hover {
  transform: translateY(-7px);
  transition: 0.8s;
}