.title {
  line-height: 1;
  font-weight: 500;
}

.common_top {
  padding-bottom: 39px;
  border-bottom: 2px solid #D9D9D9;
}

.news {
  padding-top: 91px;
}
.news .news_top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  padding-bottom: 4px;
  border-bottom: 2px solid #D9D9D9;
}
.news .news_sort {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.news .news_sort > div {
  width: 155px;
  height: 104px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  cursor: pointer;
}
.news .news_sort .news_act {
  color: white;
  background: #2b68bf;
}
.news .news_time {
  margin-left: 10px;
}
.news .news_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin: 55px 0 68px;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.news .news_list > div {
  width: calc((100% - 159px) / 4);
  margin-right: 53px;
}
.news .news_list > div:nth-child(4n) {
  margin-right: 0;
}
.news .news_list > div:nth-child(n+5) {
  margin-top: 53px;
}
.news .img {
  position: relative;
  height: 0;
  padding-bottom: 71.875%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.news .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.news .img img:hover {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.news .news_tit {
  font-weight: 500;
  margin-top: 27px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: #333;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.news .news_tit:hover {
  color: #2b68bf;
}
.news .news_tips {
  margin-top: 18px;
}
.news .news_tab > div {
  display: none;
}
.news .news_tab > div:first-child {
  display: block;
}

.more {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  width: 193px;
  height: 50px;
  line-height: 50px;
  margin: auto;
  color: #2b68bf;
  border: 2px solid #2B69BF;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.more:hover {
  background: #2b68bf;
  color: white;
}

.book {
  margin-top: 116px;
}
.book .list {
  margin: 60px 0 68px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.book .list > div {
  width: calc((100% - 159px) / 4);
  margin-right: 53px;
  background: #F9F9F9;
  padding: 48px 35px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  height: 373px;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.book .list > div:nth-child(4n) {
  margin-right: 0;
}
.book .list img {
  max-width: 50%;
}
.book .tit {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  font-weight: 500;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.book .tit:hover {
  color: #2b68bf;
}

.notice {
  margin-top: 116px;
}
.notice .list {
  margin: 60px 0 63px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.notice .list > div {
  width: calc((100% - 109px) / 2);
}
.notice .list > div:nth-child(n+3) {
  margin-top: 90px;
}
.notice .tit {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  font-weight: 500;
}
.notice .tit a {
  color: #333;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.notice .tit a:hover {
  color: #2b68bf;
}
.notice .des {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  height: 6.75em;
  color: #898989;
  margin: 16px 0;
  line-height: 1.6875;
}
.notice .news_time {
  margin-left: 10px;
}

.platform {
  margin: 116px 0 132px;
}
.platform .list {
  margin-top: 55px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.platform .list > div {
  width: calc((100% - 150px) / 6);
  margin-right: 30px;
  text-align: center;
  background: #F9F9F9;
  padding: 20px 22px;
}
.platform .list > div:nth-child(6n) {
  margin-right: 0px;
}
.platform .list > div:nth-child(n+7) {
  margin-top: 30px;
}
.platform .img {
  margin-bottom: 15px;
  position: relative;
  height: 0;
  padding-bottom: 100%;
  overflow: hidden;
  display: block;
}
.platform .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}

@media screen and (max-width: 1600px) {
  .news {
    padding-top: 6.3%;
  }
  .news .news_sort > div {
    width: 120px;
    height: 80px;
  }
  .news .news_list > div {
    width: calc((100% - 90px) / 4);
    margin-right: 30px;
  }
  .news .news_list > div:nth-child(n+5) {
    margin-top: 30px;
  }
  .news .news_tit {
    margin-top: 20px;
  }
  .news .news_list {
    margin: 45px 0 50px;
  }
  .book {
    margin-top: 8%;
  }
  .common_top {
    padding-bottom: 25px;
  }
  .book .list {
    margin: 45px 0 50px;
  }
  .book .list > div {
    width: calc((100% - 90px) / 4);
    margin-right: 30px;
    padding: 35px 30px;
    height: 280px;
  }
  .notice {
    margin-top: 8%;
  }
  .notice .list {
    margin: 40px 0 50px;
  }
  .notice .des {
    margin: 10px 0;
  }
  .notice .list > div {
    width: calc((100% - 80px) / 2);
  }
  .notice .list > div:nth-child(n+3) {
    margin-top: 60px;
  }
  .platform {
    margin: 8% 0 9.16%;
  }
  .platform .list {
    margin-top: 40px;
  }
  .platform .list > div {
    width: calc((100% - 100px) / 6);
    margin-right: 20px;
    padding: 15px;
  }
  .platform .img {
    margin-bottom: 10px;
  }
  .more {
    width: 160px;
  }
}
@media screen and (max-width: 1200px) {
  .news .news_list > div {
    width: calc((100% - 60px) / 4);
    margin-right: 20px;
  }
  .book .list > div {
    width: calc((100% - 60px) / 4);
    margin-right: 20px;
    padding: 25px;
    height: 230px;
  }
  .notice .list > div {
    width: calc((100% - 50px) / 2);
  }
  .notice .list > div:nth-child(n+3) {
    margin-top: 35px;
  }
}
@media screen and (max-width: 600px) {
  .more {
    width: 130px;
    height: 40px;
  }
  .common_top {
    padding-bottom: 15px;
  }
  .news {
    padding-top: 40px;
  }
  .news .news_sort > div {
    width: 100px;
    height: 50px;
  }
  .news .news_list {
    margin: 25px 0;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .news .news_list > div {
    width: calc((100% - 10px) / 2);
    margin-right: 0px;
  }
  .news .news_list > div:nth-child(n+3) {
    margin-top: 20px;
  }
  .news .news_tips {
    margin-top: 10px;
  }
  .news .news_tit {
    margin-top: 15px;
  }
  .book .list {
    margin: 25px 0 30px;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .book .list > div {
    width: calc((100% - 10px) / 2);
    margin-right: 0px;
    height: 200px;
  }
  .book .list > div:nth-child(n+3) {
    margin-top: 10px;
  }
  .book {
    margin-top: 40px;
  }
  .notice {
    margin-top: 40px;
  }
  .notice .list {
    margin: 25px 0;
  }
  .notice .list > div {
    width: 100%;
  }
  .notice .list > div:nth-child(n+2) {
    margin-top: 15px;
  }
  .notice .des {
    margin: 5px 0;
    height: auto;
    -webkit-line-clamp: 2;
  }
  .platform .list {
    margin-top: 25px;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .platform .list > div {
    width: calc((100% - 10px) / 2);
    margin-right: 0px;
  }
  .platform .list > div:nth-child(n+3) {
    margin-top: 10px;
  }
  .platform {
    margin: 40px 0;
  }
}