@media screen and (min-width: 1367px) {
  .sci_News .clear:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
  }
  .sci_News .clear {
    zoom: 1;
  }
  .sci_News .main_box {
    width: 12.8rem;
    margin: 0 auto;
    padding-bottom: 1.2rem;
    overflow: hidden;
  }
  .sci_News .main_box .nes_title {
    font-size: 0.48rem;
    font-weight: bold;
    color: #33509A;
    line-height: 0.42rem;
    margin-top: 0.8rem;
  }
  .sci_News .main_box .news_content {
    padding-top: 0.18rem;
  }
  .sci_News .main_box .news_content .new_every {
    width: 4.05rem;
    float: left;
    margin: 0.3rem 0 0 0.32rem;
  }
  .sci_News .main_box .news_content .new_every:nth-child(3n+1) {
    margin-left: 0;
  }
  .sci_News .main_box .news_content .new_every .news_photo {
    width: 100%;
    height: 2rem;
    box-sizing: border-box;
    border: 0.01rem solid #979797;
    background-color: #D8D8D8;
  }
  .sci_News .main_box .news_content .new_every .news_photo img {
    width: 100%;
    height: 100%;
  }
  .sci_News .main_box .news_content .new_every .news_time {
    margin-top: 0.16rem;
  }
  .sci_News .main_box .news_content .new_every .news_time span {
    font-size: 0.14rem;
    font-weight: 500;
    color: #979797;
    line-height: 0.14rem;
  }
  .sci_News .main_box .news_content .new_every .news_time span:first-child {
    margin-right: 0.2rem;
  }
  .sci_News .main_box .news_content .new_every .news_desc {
    font-size: 0.18rem;
    color: #000000;
    line-height: 0.24rem;
    min-height: 0.48rem;
    margin-top: 0.1rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .sci_News .main_box .page {
    margin: 0.8rem 0 0 5.6rem;
  }
  .sci_News .main_box .page p {
    float: left;
    width: 0.09rem;
    height: 0.09rem;
    border-top: 0.01rem solid #122B55;
    border-left: 0.01rem solid #122B55;
    margin-top: 0.06rem;
    cursor: pointer;
  }
  .sci_News .main_box .page span {
    float: left;
    font-size: 0.2rem;
    font-weight: 500;
    color: #000000;
    line-height: 0.26rem;
    padding: 0 0.12rem;
    cursor: pointer;
  }
  .sci_News .main_box .page .cur {
    font-weight: bold;
    color: #33509A;
  }
  .sci_News .main_box .page .page_previous {
    transform: rotate(-45deg);
    margin-right: 0.2rem;
  }
  .sci_News .main_box .page .page_next {
    transform: rotate(135deg);
    margin-left: 0.2rem;
  }
}
@media screen and (max-width: 768px) {
  .sci_News .clear:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
  }
  .sci_News .clear {
    zoom: 1;
  }
  .sci_News .main_box {
    width: 100vw;
    padding: 0 15px 100px;
    box-sizing: border-box;
    overflow: hidden;
  }
  .sci_News .main_box .nes_title {
    font-size: 0.32rem;
    font-weight: bold;
    color: #33509A;
    line-height: 0.32rem;
    margin-top: 60px;
  }
  .sci_News .main_box .news_content .new_every {
    width: 100%;
    margin-top: 30px;
  }
  .sci_News .main_box .news_content .new_every:first-child {
    margin-top: 40px;
  }
  .sci_News .main_box .news_content .new_every .news_photo {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #979797;
    background-color: #D8D8D8;
  }
  .sci_News .main_box .news_content .new_every .news_photo img {
    width: 100%;
    height: 100%;
  }
  .sci_News .main_box .news_content .new_every .news_time {
    margin-top: 26px;
  }
  .sci_News .main_box .news_content .new_every .news_time span {
    font-size: 0.14rem;
    font-weight: 500;
    color: #979797;
    line-height: 0.14rem;
  }
  .sci_News .main_box .news_content .new_every .news_time span:first-child {
    margin-right: 20px;
  }
  .sci_News .main_box .news_content .new_every .news_desc {
    font-size: 0.18rem;
    color: #000000;
    line-height: 0.24rem;
    margin-top: 10px;
  }
  .sci_News .main_box .page {
    display: none;
  }
}
@media screen and (min-width: 769px) and (max-width: 1366px) {
  .sci_News .clear:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
  }
  .sci_News .clear {
    zoom: 1;
  }
  .sci_News .main_box {
    width: 75vw;
    margin: 0 auto;
    padding: 0 0.15rem 1rem;
    overflow: hidden;
  }
  .sci_News .main_box .nes_title {
    font-size: 0.48rem;
    font-weight: bold;
    color: #33509A;
    line-height: 0.42rem;
    margin-top: 0.83rem;
    margin-bottom: 40px;
  }
  .sci_News .main_box .news_content .new_every {
    width: 36.52vw;
    float: left;
    margin-right: 1.9vw;
  }
  .sci_News .main_box .news_content .new_every:nth-child(2n) {
    margin-right: 0;
  }
  .sci_News .main_box .news_content .new_every .news_photo {
    width: 100%;
    height: 18vw;
    box-sizing: border-box;
    border: 0.01rem solid #979797;
    background-color: #D8D8D8;
  }
  .sci_News .main_box .news_content .new_every .news_photo img {
    width: 100%;
    height: 100%;
  }
  .sci_News .main_box .news_content .new_every .news_time {
    margin-top: 0.16rem;
  }
  .sci_News .main_box .news_content .new_every .news_time span {
    font-size: 0.14rem;
    font-weight: 500;
    color: #979797;
    line-height: 0.14rem;
  }
  .sci_News .main_box .news_content .new_every .news_time span:first-child {
    margin-right: 0.2rem;
  }
  .sci_News .main_box .news_content .new_every .news_desc {
    font-size: 0.18rem;
    color: #000000;
    line-height: 0.24rem;
    min-height: 0.72rem;
    margin-top: 0.1rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .sci_News .main_box .page {
    margin: 0.84rem auto 0;
    width: 2.06rem;
  }
  .sci_News .main_box .page p {
    float: left;
    width: 0.09rem;
    height: 0.09rem;
    border-top: 0.01rem solid #122B55;
    border-left: 0.01rem solid #122B55;
    margin-top: 0.06rem;
    cursor: pointer;
  }
  .sci_News .main_box .page span {
    float: left;
    font-size: 0.2rem;
    font-weight: 500;
    color: #000000;
    line-height: 0.26rem;
    padding: 0 0.12rem;
    cursor: pointer;
  }
  .sci_News .main_box .page .cur {
    font-weight: bold;
    color: #33509A;
  }
  .sci_News .main_box .page .page_previous {
    transform: rotate(-45deg);
    margin-right: 0.2rem;
  }
  .sci_News .main_box .page .page_next {
    transform: rotate(135deg);
    margin-left: 0.2rem;
  }
}