@media screen and (max-width: 1300px) {
  .play-page .class-lists ul li {
    width: 323px;
    margin-right: 40px;
  }
  .play-page .class-lists ul li:nth-child(4n) {
    margin-right: 40px ;
  }
  .play-page .class-lists ul li:nth-child(3n) {
    margin-right: 0 ;
  }
  .play-page .teacher-lists ul li {
    margin-right: 66px;
  }
  .play-page .class-test ul li {
    margin-right: 115px;
  }
  .play-page .class-test ul li:nth-child(3n) {
    margin-right: 0 ;
  }
}
@media screen and (max-width: 1100px) {
  .play-page .class-lists ul li {
    width: 260px;
    margin-right: 35px;
  }
  .play-page .class-lists ul li:nth-child(4n) {
    margin-right: 35px;
  }
  .play-page .class-lists ul li:nth-child(3n) {
    margin-right: 0;
  }
  .play-page .class-test ul li {
    margin-right: 18px;
  }
  .play-page .class-test ul li:nth-child(3n) {
    margin-right: 0 ;
  }
}
@media screen and (max-width: 850px) {
  .play-page .banner {
    margin-top: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }
  .play-page .banner .banner-cover .abbr {
    font-size: 73px;
    right: 20px;
  }
  .play-page .banner .banner-cover .banner-content p.content-English {
    margin-top: 5px !important;
    font-weight: normal;
  }
  .play-page .class-lists {
    margin-top: 25px;
    padding: 20px ;
    box-sizing: border-box;
  }
  .play-page .class-lists span {
    margin-bottom: 40px !important;
  }
  .play-page .class-lists ul {
    justify-content: space-between;
  }
  .play-page .class-lists ul li {
    width: 48% !important;
    background-size: auto 55%;
    height: 80px ;
    margin-right: 0 !important;
    margin-bottom: 25px;
  }
  .play-page .class-lists ul li .item-content p {
    font-size: 15px;
  }
  .play-page .class-lists ul li .item-content p:first-child {
    font-family: 'NotoSansCJKsc-Thin';
    line-height: 20px;
    height: 20px;
  }
  .play-page .class-lists ul li .item-content p:nth-child(2n) {
    font-size: 26px;
    line-height: 37px;
    height: 37px;
  }
  .play-page .class-lists ul li img {
    height: 95%;
    max-width: unset;
  }
  .play-page .class-lists .item-detail {
    padding: 5px;
  }
  .play-page .class-lists .item-detail span {
    font-size: 17px;
    min-width: 22%;
    margin-bottom: 0px !important;
    font-family: 'NotoSansCJKsc-Thin';
    color: #19191A;
    height: 30px;
    line-height: 30px;
  }
  .play-page .teacher-lists {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
  }
  .play-page .teacher-lists .section-title {
    margin-bottom: 40px !important;
  }
  .play-page .teacher-lists ul {
    margin: 0;
    text-align: center;
  }
  .play-page .teacher-lists ul li {
    width: 45%;
    margin-right: 25px;
  }
  .play-page .teacher-lists ul li:nth-child(even) {
    margin-right: 0;
  }
  .play-page .class-test {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
  }
  .play-page .class-test ul {
    justify-content: space-between;
  }
  .play-page .class-test ul::after {
    flex: 1;
  }
  .play-page .class-test ul li {
    width: 47% !important;
  }
  .play-page .class-test ul li:nth-child(3n) {
    margin-right: 18px;
  }
  .play-page .class-test ul li .cover {
    height: 100px;
  }
  .play-page .class-test ul li .teacher-name {
    padding: 10px;
    padding-top: 3px;
  }
  .play-page .class-test ul li .teacher-name p {
    margin-bottom: 0 !important;
    height: auto !important;
  }
  .play-page .class-test ul li .teacher-name p:nth-child(1) {
    font-size: 17px;
  }
  .play-page .class-test ul li:nth-child(even) {
    margin-right: 0 !important;
  }
  .play-page .class-test ul li img {
    height: 100px!important;
  }
  .play-page .class-test ul li a {
    top: 8px!important;
    right: 8px!important;
  }
  .play-page .grades-lists {
    width: 90%;
  }
  .play-page .grades-lists .swiper-container {
    margin-top: 40px;
  }
  .play-page .grades-lists .swiper-container .swiper-wrapper {
    height: auto;
  }
  .play-page .grades-lists .swiper-container .swiper-wrapper .swiper-slide {
    width: 80%;
    height: min-content;
  }
  .play-page .grades-lists .swiper-container .swiper-wrapper .swiper-slide .img {
    padding: 10px;
    height: auto;
  }
  .play-page .grades-lists .swiper-container .swiper-wrapper .swiper-slide .img img {
    height: auto;
  }
  .play-page .grades-lists .swiper-container .swiper-wrapper .swiper-slide .img img.lazyload {
    height: 100px;
  }
  .play-page .grades-lists .swiper-container .swiper-wrapper .swiper-slide .img img.lazyload.lazyloaded {
    height: auto;
  }
  .play-page .praise-lists {
    width: 90%;
  }
  .play-page .praise-lists .swiper-container-comment-container .swiper-container-comment .swiper-wrapper .swiper-slide {
    width: 80%;
  }
  .play-page .praise-lists .swiper-container-comment-container .zf-prev,
  .play-page .praise-lists .swiper-container-comment-container .zf-next {
    display: none;
  }
}