.swiper-container {
  height: 100%;
}
.banner .swiper-pagination-bullet-active {
  background: white;
}
.swiper-slide .banner_cont {
  position: absolute;
  left: 50%;
  top: 40%;
  transform: translateX(-50%) translateY(-50%);
}
.swiper-slide .banner_cont .app_download {
  position: absolute;
  top: 10px;
  right: 0;
}
.swiper-container-horizontal > .swiper-pagination-bullets,
.swiper-pagination-custom,
.swiper-pagination-fraction {
  bottom: 50px;
}
.swiper-slide .banner_cont .app_download .app_link{
  display: inline-block;
}
.swiper-slide .banner_cont .app_download .app_download_ewm {
  margin-right: 20px;
  width: 150px;
  height: 150px;
}
.swiper-slide .banner_cont .app_download  .app_download_txt{
  vertical-align: baseline;
}
.swiper-slide .banner_cont .app_download .app_download_ewm img{
  width: 100%;
}
.swiper-pagination-bullet {
  background: inherit;
  border: 1px solid white;
  opacity: 1;
  width: 13px;
  height: 13px;
}
.swiper-pagination-bullet .banner .poab {
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  margin-top: -40px;
}
.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 0 8px;
}
.swiper-slide .banner-wrap {
  width: 100%;
  height: 100%;
}
.swiper-slide .banner-bg {
  width: 100%;
  height: 100%;
}
.swiper-slide .banner-img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.swiper-slide .banner-wknew {
  top: 33%;
}
/*中央内容的公共样式*/
.main > div {
  padding-top: 30px;
  padding-bottom: 40px;
}
.main > div .wrap .title .title2 {
  margin-top: 12px;
  color: #777;
  margin-bottom: 40px;
}
.main > div .wrap .more {
  right: 0;
}
/*applist在index的样式*/

.wrap2 .applist {
  display: -webkit-flex;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 50px;
}
.wrap2 .applist > li {
  width: 236px;
  background: white;
}
.wrap2 .applist > li > img:nth-child(1) {
  width: 100%;
}
.teaching_aid {
  background: white;
}
.wrap2 .mask {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(51, 65, 76, 0.95);
  top: 0;
  display: none;
}
@media only screen and (min-width: 100px) and (max-width: 1700px) {
  .wrap2 {
    width: 1100px;
    min-width: 1100px;
  }
  .wrap2 .applist > li {
    width: 277px;
    height: 395px;
    margin-bottom: 20px;
  }
  .applist > li > a:nth-of-type(1) {
    margin-top: 6px;
    line-height: 60px;
  }
  .wrap2 .applist {
    padding-bottom: 20px;
  }
}
.history {
  background: white;
  padding-bottom: 20px;
}
footer {
  margin-top: 0;
}
footer > img {
  width: 100%;
}