.main {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  padding-top: 70px;
}
.main .content {
  margin: 0 auto;
}
.main .content .news_title {
  text-align: center;
  padding-top: 80px;
  margin-bottom: 50px;
  font-weight: bold;
  font-size: 64px;
  color: #333333;
  font-family: 'MyFont1';
}
.main .content2 .news_title {
  font-size: 48px;
}
.main .banner {
  width: 100%;
  height: 100vh;
}
.main .banner .bannerSwiper {
  width: 100%;
  height: 100%;
}
.main .banner .bannerSwiper img {
  width: 100%;
  object-fit: cover;
}
.main .banner .bannerSwiper .btn-prev,
.main .banner .bannerSwiper .btn-next {
  position: absolute;
  top: 50%;
  margin-top: -22px;
  width: 44px;
  height: 44px;
  border: 1px solid #000000;
  z-index: 2;
  text-align: center;
  color: #000000;
  background: transparent;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
}
.main .banner .bannerSwiper .btn-prev span,
.main .banner .bannerSwiper .btn-next span {
  font-size: 36px;
  display: inline-block;
  transform: rotate(90deg);
  line-height: 44px;
}
.main .banner .bannerSwiper .btn-prev:hover,
.main .banner .bannerSwiper .btn-next:hover {
  background: #48a038;
  border-color: #48a038;
  color: #fff;
}
.main .banner .bannerSwiper .btn-prev {
  left: 100px;
  transform: rotate(-180deg);
}
.main .banner .bannerSwiper .btn-next {
  right: 100px;
}
.main .banner .bannerSwiper .swiper-button-disabled {
  cursor: no-drop;
  background: transparent;
  color: #979292;
  border-color: #979292;
}
.main .banner .bannerSwiper .swiper-button-disabled:hover {
  background: transparent;
  border-color: #979292;
  color: #979292;
}
.main .banner .bannerSwiper .swiper-pagination {
  bottom: 40px;
  display: none;
}
.main .banner .bannerSwiper .swiper-pagination .swiper-pagination-bullet {
  background: #ffffff;
  opacity: 1;
  position: relative;
  width: 6px;
  height: 6px;
  margin: 0 6px;
}
.main .banner .bannerSwiper .swiper-pagination .swiper-pagination-bullet::before {
  content: '';
  position: absolute;
  left: -3px;
  top: -3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #ffffff;
  opacity: 0;
  transition: all 0.3s ease-in-out;
}
.main .banner .bannerSwiper .swiper-pagination .swiper-pagination-bullet-active::before {
  opacity: 1;
}
.main .tabs_box {
  width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  font-size: 16px;
  color: #231f20;
  margin-bottom: 60px;
}
.main .tabs_box .tabs_li {
  border: 1px solid #231f20;
  padding: 10px 30px;
  margin-right: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.main .tabs_box .tabs_li span {
  display: inline-block;
  margin: 0 10px;
  font-weight: bold;
}
.main .tabs_box .tabs_lis {
  background: #B81C25;
  border: 1px solid #B81C25;
  color: #fff;
  font-family: 'MyFont1';
}
.main .article_list {
  width: 1300px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}
.main .article_list .article_li {
  width: 406px;
  margin-bottom: 62px;
  padding-bottom: 62px;
  padding-right: 41px;
  border-bottom: 1px solid #DDE2E6;
}
.main .article_list .article_li .liImg {
  width: 100%;
  height: 305px;
  margin-bottom: 20px;
  overflow: hidden;
}
.main .article_list .article_li .liImg img {
  width: 100%;
  height: 305px;
  object-fit: cover;
  transition: all 0.3s ease;
}
.main .article_list .article_li:nth-of-type(3n) {
  padding-right: 0;
}
.main .article_list .article_li:nth-of-type(7) {
  border: 0;
  margin: 0;
}
.main .article_list .article_li:nth-of-type(8) {
  border: 0;
  margin: 0;
}
.main .article_list .article_li:nth-of-type(9) {
  border: 0;
  margin: 0;
}
.main .article_list .article_li .txt1 {
  font-size: 20px;
  color: #231f20;
  display: -webkit-box;
  /* 使用 Flexbox 布局 */
  -webkit-box-orient: vertical;
  /* 垂直方向排列 */
  -webkit-line-clamp: 2;
  /* 限制显示的行数，这里是3行 */
  overflow: hidden;
  /* 隐藏超出部分 */
  text-overflow: ellipsis;
  line-height: 30px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.main .article_list .article_li .txt2 {
  font-size: 14px;
  color: #666666;
  transition: all 0.3s ease;
}
.main .article_list .article_li:hover .liImg img {
  transform: scale(1.1);
}
.main .article_list .article_li:hover .txt1,
.main .article_list .article_li:hover .txt2 {
  color: #B81C25;
}
.main .listBtn {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 30px 0 90px;
}
.main .listBtn a {
  width: 200px;
  height: 45px;
  font-size: 14px;
  line-height: 45px;
  border-radius: 50px;
}
.main .listBtn a span {
  font-size: 26px;
}
.main .news_paging {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0 120p x;
}
.main .news_paging .previousPage {
  width: 40px;
  height: 40px;
  color: #B81C25;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #B81C25;
  margin-right: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.main .news_paging .previousPage span {
  font-size: 26px;
  transform: rotate(-90deg);
}
.main .news_paging .previousPage:hover {
  background: #B81C25;
  border: 1px solid #B81C25;
  color: #fff;
}
.main .news_paging .nextPage {
  width: 40px;
  height: 40px;
  color: #B81C25;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #B81C25;
  margin-left: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.main .news_paging .nextPage span {
  font-size: 26px;
  transform: rotate(90deg);
}
.main .news_paging .nextPage:hover {
  background: #B81C25;
  border: 1px solid #B81C25;
  color: #fff;
}
.main .news_paging .pageNum {
  min-width: 40px;
  height: 40px;
  line-height: 40px;
  font-family: Source Han Sans CN;
  font-size: 18px;
  color: #000;
  transition: all 0.2s;
  padding: 0 5px;
  box-sizing: border-box;
  cursor: pointer;
  text-align: center;
  border: 1px solid #DDE2E6;
  border-radius: 2px;
}
.main .news_paging .pageNum:hover {
  background: #B81C25;
  border: 1px solid #B81C25;
  color: #fff;
}
.main .news_paging .pageNums {
  pointer-events: none;
}
.main .news_paging .pageNum + .pageNum {
  margin-left: 10px;
}
.main .news_paging .pageNumActive {
  color: #000000;
}
.main .news_paging .ellipsis {
  font-family: Source Han Sans CN;
  font-weight: bold;
  font-size: 22px;
  padding: 10px 15px;
  color: #333333;
  transition: all 0.2s;
}
.main .study_box {
  width: 100%;
  background-color: #F6F6F6;
  padding-top: 122px;
  padding-bottom: 140px;
}
.main .study_box .study_head {
  width: 1498px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 81px;
}
.main .study_box .study_head .txt {
  font-weight: bold;
  font-family: 'MyFont1';
  font-size: 48px;
  color: #231F20;
  margin-left: 100px;
}
.main .study_box .study_head a {
  width: 200px;
  height: 45px;
  font-size: 14px;
  line-height: 45px;
  margin-right: 100px;
  z-index: 1;
}
.main .study_box .study_head a span {
  font-size: 26px;
}
.main .study_box .bannerSwiper2 {
  width: 1498px;
  margin: 0 auto;
}
.main .study_box .bannerSwiper2 img {
  display: block;
}
a {
  display: inline-block;
}
.btn_study {
  display: none;
}
@media screen and (min-width: 801px) and (max-width: 1400px) {
  .main .banner {
    height: auto;
  }
  .main .banner .bannerSwiper {
    width: 100%;
  }
  .main .article_list {
    width: calc(100% - 40px);
  }
  .main .tabs_box {
    width: calc(100% - 40px);
  }
  .main .study_box .study_head {
    width: calc(100% - 40px);
  }
}
@media screen and (min-width: 1400px) and (max-width: 1600px) {
  .main .banner {
    height: auto;
  }
  .main .banner .bannerSwiper {
    width: 100%;
  }
  .main .article_list {
    width: calc(100% - 40px);
  }
  .main .tabs_box {
    width: calc(100% - 40px);
  }
  .main .study_box .study_head {
    width: calc(100% - 40px);
  }
}
@media screen and (max-width: 800px) {
  .main {
    width: 100%;
    padding-top: 15vw;
  }
  .main .listBtn {
    padding: 0 0 110px;
  }
  .main .listBtn a {
    border-radius: 50px;
  }
  .main .content {
    width: 92.125vw;
    margin: 0 auto;
  }
  .main .content .news_title {
    display: block;
    margin-bottom: 10.75vw;
    padding-top: 60px;
    font-size: 32px;
    text-align: center;
  }
  .main .content2 {
    padding-top: 17.5vw;
  }
  .main .content2 .news_title {
    font-size: 30px;
    padding-top: 0;
  }
  .main .banner {
    width: 100%;
    height: auto;
  }
  .main .banner .bannerSwiper {
    width: 100%;
    height: 100%;
  }
  .main .banner .bannerSwiper img {
    width: 100%;
    height: 46.75vw;
    object-fit: cover;
  }
  .main .banner .bannerSwiper .btn-prev,
  .main .banner .bannerSwiper .btn-next {
    position: absolute;
    top: 50%;
    margin-top: -22px;
    width: 44px;
    height: 44px;
    border: 1px solid #000000;
    z-index: 2;
    text-align: center;
    color: #000000;
    background: transparent;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
  }
  .main .banner .bannerSwiper .btn-prev span,
  .main .banner .bannerSwiper .btn-next span {
    font-size: 36px;
    display: inline-block;
    transform: rotate(90deg);
    line-height: 44px;
  }
  .main .banner .bannerSwiper .btn-prev:hover,
  .main .banner .bannerSwiper .btn-next:hover {
    background: #48a038;
    border-color: #48a038;
    color: #fff;
  }
  .main .banner .bannerSwiper .btn-prev {
    left: 100px;
    transform: rotate(-180deg);
  }
  .main .banner .bannerSwiper .btn-next {
    right: 100px;
  }
  .main .banner .bannerSwiper .swiper-button-disabled {
    cursor: no-drop;
    background: transparent;
    color: #979292;
    border-color: #979292;
  }
  .main .banner .bannerSwiper .swiper-button-disabled:hover {
    background: transparent;
    border-color: #979292;
    color: #979292;
  }
  .main .banner .bannerSwiper .swiper-pagination {
    bottom: 40px;
    display: none;
  }
  .main .banner .bannerSwiper .swiper-pagination .swiper-pagination-bullet {
    background: #ffffff;
    opacity: 1;
    position: relative;
    width: 6px;
    height: 6px;
    margin: 0 6px;
  }
  .main .banner .bannerSwiper .swiper-pagination .swiper-pagination-bullet::before {
    content: '';
    position: absolute;
    left: -3px;
    top: -3px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid #ffffff;
    opacity: 0;
    transition: all 0.3s ease-in-out;
  }
  .main .banner .bannerSwiper .swiper-pagination .swiper-pagination-bullet-active::before {
    opacity: 1;
  }
  .main .tabs_box {
    width: 92.125vw;
    flex-wrap: wrap;
    margin-bottom: 10.625vw;
    font-size: 3.75vw;
  }
  .main .tabs_box .tabs_li {
    padding: 1.875vw 3.75vw;
    margin-right: 3vw;
    margin-bottom: 4vw;
  }
  .main .tabs_box .tabs_li span {
    display: inline-block;
    margin: 0 3px 0 8px;
    font-weight: bold;
  }
  .main .tabs_box .tabs_li:last-child {
    margin-right: 0;
  }
  .main .tabs_box .tabs_lis {
    background: #B81C25;
    border: 1px solid #B81C25;
    color: #fff;
  }
  .main .article_list {
    width: 92.125vw;
    margin: 0 auto;
  }
  .main .article_list .article_li {
    width: 100%;
    margin-bottom: 10.5vw;
    padding-bottom: 10.5vw;
    padding-right: 0;
    border-bottom: 1px solid #DDE2E6;
  }
  .main .article_list .article_li:nth-of-type(7) {
    border-bottom: 1px solid #DDE2E6;
    margin-bottom: 10.5vw;
  }
  .main .article_list .article_li:nth-of-type(8) {
    border-bottom: 1px solid #DDE2E6;
    margin-bottom: 10.5vw;
  }
  .main .article_list .article_li:nth-of-type(9) {
    border-bottom: 1px solid #DDE2E6;
  }
  .main .article_list .article_li:last-child {
    border: 0;
    margin-bottom: 0;
  }
  .main .article_list .article_li img {
    height: 69.125vw;
    margin-bottom: 5.125vw;
  }
  .main .article_list .article_li .txt1 {
    font-size: 3.75vw;
  }
  .main .news_paging {
    padding-top: 16vw;
  }
  .main .news_paging .previousPage {
    width: 40px;
    height: 40px;
    margin-right: 20px;
    box-sizing: border-box;
  }
  .main .news_paging .nextPage {
    width: 40px;
    height: 40px;
    margin-left: 3.25vw;
    transition: all 0.2s;
    box-sizing: border-box;
  }
  .main .news_paging .pageNum {
    font-size: 3.5vw;
  }
  .main .news_paging .ellipsis {
    font-size: 3.5vw;
    padding: 1.875vw 2.5vw;
  }
  .main .study_box {
    padding-top: 13.75vw;
    padding-bottom: 100px;
    position: relative;
  }
  .main .study_box .study_head {
    width: 92.125vw;
    margin-bottom: 10.5vw;
    flex-wrap: wrap;
    justify-content: center;
  }
  .main .study_box .study_head .txt {
    width: 100%;
    font-size: 6.25vw;
    margin-left: 0;
    text-align: center;
  }
  .main .study_box .study_head a {
    margin-right: 0px;
    margin-top: 20px;
    border-radius: 50px;
  }
  .main .study_box .bannerSwiper2 {
    width: 92.125vw;
    margin: 0 auto;
  }
  .btn_study {
    display: flex;
    margin: 40px auto 0;
  }
  .btn_study span {
    transform: rotate(90deg);
  }
  .btn_study1 {
    display: none;
  }
}