.section1{
  width: 100%;
  background: url(../img/course/gs-bg.png) no-repeat center;
  background-size: cover;
}
/* .section1 .wrap{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.section1 .section1-left{
  width: 50%;
}
.section1 .section1-right{
  width: 34%;
} */
.course-en{
  color: rgba(35,24,21,.5);
  line-height: 1.7;
  text-align: center;
}
.course-bt{
  color: #231815;
  text-align: center;
  letter-spacing: 10px;
}
.section1 .course-en{
  color: rgba(255,255,255,.5);
}
.section1 .course-bt{
  color: #fff;
}
.section1 .course-intro{
  color: #fff;
  line-height: 1.8;
  /* text-align: center;*/
}
/* .course-num{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.course-num .num-li{
  width: 46%;
  margin-right: 8%;
}
.course-num .num-li:nth-child(2n){
  margin-right: 0;
}
.course-num .num{
  color: #fff;
  line-height: 1.1;
}
.course-num .num-ms{
  color: #fff;
  line-height: 2;
  margin-top: 10px;
}
.section2,.section3{
  background:#f5f5f5; 
  display: flex;
  flex-wrap: wrap;
  height:34vw;
  min-height: 300px;
  max-height: 640px;
}
.course-img{
  width: 50%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.course-img img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all .5s ease;
}
.course-img:hover img{
  transform: scale(1.05);
}
.course-inner{
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  padding-left:6.3%;
  padding-right:6.3%;
}
.course-inner ul{
  margin-top: 25px;
}
.course-inner ul li{
  color: #231815;
  line-height:31px;
  position: relative;
  padding-left:25px;
  margin-top: 10px;
}
.course-inner ul li:before{
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 5px;
  height: 5px;
  background: rgba(0,0,0,.3);
  border-radius: 50%;
}
.course-inner .course-ms{
  color:#231815;
  line-height: 1.8;
  text-align: justify;
  width: 86%;
}
.section4 .course-en{
  text-align: center;
}
.section4 .course-bt{
  text-align: center;
} */
 .course-cate {
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-cate .swiper-slide {
  position: relative;
  padding: 5px 1.4vw;
  width: auto;
}

.course-cate .swiper-slide:not(:first-child):before {
  content: "/";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  color: #231815;
}

.course-cate span {
  padding: 5px 0;
  position: relative;
  cursor: pointer;
}

.course-cate span:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color);
  transition: all .5s ease;
}

.course-cate .swiper-slide-thumb-active span {
  color: var(--color);
}

.course-cate .swiper-slide-thumb-active span:before {
  width: 100%;
}
.course-con{
    position: relative;
    width: 100%;
    display: flex;
    flex-wrap:wrap;
}
.course-list{
  width: 100%;
}
.course-list .swiper {
  width: 100%;
  height: 100%;
  overflow: visible;
  will-change: transform;
  /* 设置默认的过渡曲线，作为 JS 配置的补充 */
  transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.course-list .swiper .swiper-slide {
  opacity: 0.2;
}

.course-list .swiper .swiper-slide-active {
  opacity: 1;
}

.course-li {
  width: 100%;
  height: 100%;
  position: relative;
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  overflow: hidden;
}
.course-img-list{
    width:64%;
}
.course-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 40px rgba(61, 67, 76, .1);
  cursor: pointer;
  transition: all .5s ease;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: none;
}
.course-img-prev{
    left: -30px;
}
.course-img-next{
    right: -30px;
}
.course-btn.swiper-button-lock{
    display: none;
}
.course-btn.swiper-button-disabled {
  opacity: 0.4;
  cursor: default;
}
.course-btn:not(.swiper-button-disabled):hover {
  background: var(--color);
}
.course-btn img {
  width: auto;
  height: auto;
  max-width: 50%;
  max-height: 50%;
}
.course-img {
  width: 64%;
  height: 37.5vw;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
  max-height: 720px;
  position: relative;
  overflow: hidden;
}
.course-img img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  object-fit: cover;
  transition: all .5s ease;
}

.course-img:hover img {
  transform: scale(1.05);
}

.course-text {
  width: 36%;
  max-width: 520px;
  height: 100%;
  background: rgba(0, 56, 139, .95);
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  transition: all .5s ease;
  opacity: 1;
}

.course-list .swiper .swiper-slide-active .course-text {
  opacity: 1;
}

.text-inner {
  width: 78%;
  margin: 0 auto;
}

.course-li h3 {
  color: #fff;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-clamp: 3;
  -webkit-line-clamp: 3;
}
.course-li p {
  color: #fff;
  line-height: 1.8;
  padding-right: 10px;
  height: 27vw;
  max-height: 500px;
  overflow-y: auto;
}
.section3{
  background:#f5f5f5;
  width: 100%;
  position: relative;
}
.section3 .js-ms{
  width: 100%;
  text-align: center;
  color:#231815;
  line-height: 1.8;
}
.section3 .js-li{
  width: 100%;
  height: 100%;
  background:url(../img/course/js1-bg.png) no-repeat center;
  padding-left: 2vw;
  padding-right: 2vw;
  border-radius: 10px;
  overflow: hidden;
  background-size: cover!important;
}
.section3 .swiper-slide:nth-child(2n) .js-li{
  background:url(../img/course/js2-bg.png) no-repeat center;
}
.section3 .js-li h3{
  color: #231815;
  line-height: 1.5;
}
.section3 .js-li p{
  color: #999;
  line-height: 1.8;
  height: 173px;
  overflow-y: auto;
}
.section3 .js-change {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section3 .js-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 40px rgba(61, 67, 76, .1);
  cursor: pointer;
  transition: all .5s ease;
}
.section3 .js-btn.swiper-button-lock{
    display: none;
}
.section3 .js-btn.swiper-button-disabled {
  opacity:0.4;
  cursor: default;
}
.section3 .js-btn:not(.swiper-button-disabled):hover {
  background: var(--color);
}

.section3 .js-btn img {
  width: auto;
  height: auto;
  max-width: 50%;
  max-height: 50%;
}

.section3 .js-page {
  width: calc(100% - 200px);
  height: 4px;
  background: #fff;
  border-radius: 2px;
}

.section3 .js-page .swiper-scrollbar-drag {
  background: var(--color);
}
.section4 .ts-img{
  width: 100%;
  height: 37.5vw;
  min-height: 300px;
  max-height: 720px;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
}
.section4 .ts-img img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all .5s ease;
}
.section4 .swiper-slide:hover .ts-img img{
  transform: scale(1.05);
}
.section4 .ts-box .swiper{
  padding-bottom: 40px;
}
.section4 .ts-con{
  width: 89%;
  margin-left: auto;
  margin-right: auto;
  background: #fff;
  border-radius:10px;
  overflow: hidden;
  padding-left: 4%;
  padding-right: 4%;
  box-shadow: 10px 0px 40px rgba(61,67,76,.1);
  margin-top: -12vw;
  position: relative;
}
.section4 .ts-con .ts-bt{
  color:#231815;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: all 1s;
}
.section4 .ts-con .ts-bt span{
  color: var(--color);
}
.section4 .swiper-slide-active .ts-con .ts-bt{
  opacity: 1;
  transform: translateY(0px);
}
.section4 .ts-con .ts-ms{
  color: #999;
  line-height: 1.8; 
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: all 1.2s;
}
.section4 .swiper-slide-active .ts-con .ts-ms{
  opacity: 1;
  transform: translateY(0px);
}
.section4  .ts-change{
  width:100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 4.5vw;
  z-index: 5;
}
.section4  .ts-change .ts-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 40px rgba(61, 67, 76, .1);
  cursor: pointer;
  transition: all .5s ease;
}
.section4  .ts-change .ts-btn.swiper-button-disabled {
  opacity: 0.4;
  cursor: default;
}
.section4  .ts-change .ts-btn:not(.swiper-button-disabled):hover {
  background: var(--color);
}
.section4  .ts-change .ts-btn img {
  width: auto;
  height: auto;
  max-width: 50%;
  max-height: 50%;
}
.section4 .ts-change .ts-page {
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.5vw;
}
.section4 .ts-change .ts-page .swiper-pagination-bullet{
  width:14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #ddd;
  background: transparent;
  display: block;
  margin:0 5px;
  transition: all .5s ease;
  opacity: 1;
}
.section4 .ts-change .ts-page .swiper-pagination-bullet-active{
  background: var(--color);
  border-color: var(--color);
}
.section5{
  width: 100%;
  position: relative;
  overflow: hidden;
}
.section5 > img{
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  object-fit: cover;
}
.section5 .wrap1680{
  position: relative;
  z-index: 2;
}
.section5 .ln-box{
  width: 50%;
  height: auto;
  background: rgba(0,56,139,.95);
  border-radius: 10px;
  overflow: hidden;
  padding-left:4vw;
  padding-right:4vw;
}
.section5 .course-en{
  color: rgba(255,255,255,.5);
}
.section5 .course-bt{
  color: #fff;
}
.section5 .ln-ms{
  color: #fff;
  line-height:1.8;
}
.section6 .course-en{
  text-align: center;
}
.section6 .course-bt{
  text-align: center;
  text-indent: 10px;
}
.section6 .hj-ms{
  width: 88%;
  margin-left:auto;
  margin-right: auto;
  text-align: center;
}
.section6 .hj-box{
  position: relative;
}
.section6 .swiper-slide{
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.section6 .big-img{
  width: 100%;
  height:37.5vw;
  min-height: 250px;
  max-height: 720px;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
}
.section6 .big-img img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: all 1s ease;
}
.section6 .swiper-slide-active .big-img img{
  transform: scale(1);
}
.section6 .small{
  position: absolute;
  left: 0;
  bottom:10px;
  width: 100%;
  padding:0px 60px;
}
.section6 .small .swiper{
  padding: 20px 0;
}
/* .section6 .small .swiper .swiper-wrapper{
    justify-content: center;
} */
.section6 .samll-img{
  position: relative;
  width: 100%;
  height: 8vw;
  min-height: 70px;
  max-height: 135px;
  overflow: hidden;
}
.section6 .samll-img img{
  width: 100%;
  height: 100%;
  transition: all .5s ease;
}
.section6 .samll-img:before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,.5);
}
.section6 .swiper-slide{
  transition: all .5s ease;
}
.section6 .swiper-slide-thumb-active{
  transform: translateY(-20px);
}
.section6 .swiper-slide-thumb-active .samll-img:before{
  opacity: 0;
}
.section6 .big-btn{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  z-index: 5;
}
.section6 .big-btn img{
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  filter: grayscale(1) brightness(500%);
  transition: all .5s ease;
}
.section6 .big-btn.big-prev{
  left: 20px;
}
.section6 .big-btn.big-next{
  right: 20px;
}
.section6 .big-btn.swiper-button-disabled{
  opacity: 0.4;
  cursor: default;
}
.section6 .big-btn:not(.swiper-button-disabled):hover img{
  filter: none;
}
@media only screen and (min-width: 1950px) {
  .section4 .ts-con{
    margin-top: -230px;
  }
  .section6 .small{
    padding: 0 60px;
  }
}
@media only screen and (max-width: 1200px) {
  .course-inner .course-ms{
    width: 100%;
  }
  .course-inner ul li{
    margin-top: 5px;
    line-height: 25px;
    padding-left: 15px;
  }
  .course-inner ul li:before{
    top: 10px;
  }
  .course-inner ul{
    height: 200px;
  }
}
@media only screen and (max-width: 1024px) {
   .section1 .section1-right{
    width: 40%;
   }
   .course-num .num{
     font-size: 26px;
   }
  .section4 .ts-change{
    bottom: 6vw;
  }
  .section4 .ts-change .ts-btn{
    width: 50px;
    height: 50px;
  }
}
@media only screen and (max-width: 768px) {
   .section1 .course-intro{
     text-align: left!important;
   }
   .section1 .course-intro p{
     text-align: left!important;
   }
  .course-cate .swiper-slide {
    padding: 5px 10px;
  }
  .course-text {
    width: 100%;
    height: auto;
    position: static;
    opacity: 1;
  }
  .text-inner {
    width: 90%;
    margin: 5% auto;
  }
  .course-img-list{
      width: 100%;
  }
  .course-img{
      min-height: 225px;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
      border-bottom-left-radius: 0;
  }
  .course-list{
    width: 100%;
  }
  .course-li{
     border-top-right-radius: 0px;
     border-bottom-left-radius: 10px; 
     border-bottom-right-radius: 10px; 
  }
  .course-li .course-img{
      width: 100%;
  }
  .course-li h3{
      min-height: 75px; 
  }
  .course-li p{
     height: 300px;
  }
  .course-btn {
     width: 40px;
     height: 40px;
  }
  .course-img-prev{
    left: -20px;
  }
  .course-img-next{
    right: -20px;
  }
  .section3 .js-ms{
    text-align: left;
  }
  .section3 .js-li{
    padding-left: 5%;
    padding-right: 5%;
  }
  .section3 .js-btn {
    width: 40px;
    height: 40px;
  }
  
  .section3 .js-page {
    width: calc(100% - 120px);
  }
  .section6 .hj-ms{
    width:100%;
    text-align: left;
  }
  .section6 .small{
    position: relative;
    bottom: 0;
    top: 10px;
    padding: 0;
  }
  .section6 .small .swiper .swiper-wrapper{
    justify-content: flex-start;
  }
  .section6 .swiper-slide-thumb-active{
    transform: translateY(0px);
  }
  .big-btn-box{
      width: 100%;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
  }
  .section6 .big-btn{
      position: static;
      margin: 0 10px;
      display: none;
  }
  .section6 .big-btn.big-prev{
    left: 5px;
  }
  .section6 .big-btn.big-next{
    right: 5px;
  }
  .section6 .big-btn img{
    filter: none;
    max-width: 16px;
  }
}