@media screen and (min-width: 750px){
  .company_news_content{
    width: 1200px;
    display: flex;
    flex-wrap: wrap;
    margin-top: 30px;
    justify-content: space-between;
    margin-bottom: 60px;
  }
  .company_news_item{
    display: block;
    box-sizing: border-box;
    width: 380px;
    background: #F5F5F5;
    cursor: pointer;
    margin-top: 30px;
    padding-bottom: 30px;
  }
  .company_news_item_time{
    color: #999999;
    font-size: 14px;
    font-weight: 400;
    margin-top: 30px;
    margin-left: 30px;
    margin-bottom: 16px;
  }
  .company_news_item_title{
    font-weight: 400;
    font-size: 22px;
    color: #333333;
    padding: 0 30px;
  }
  .company_news_item_img{
   width: 380px;
   height: 200px;
   overflow: hidden;
  }
  .company_news_item_img img{
    width: 100%;
    transition: transform 0.5s ease-in-out;
  }
  .company_news_item:hover{
    background: #3C37C0;
  }
  .company_news_item:hover .company_news_item_img img{
    transform: scale(1.2); 
  }
  .company_news_item:hover .company_news_item_time,
  .company_news_item:hover .company_news_item_title{
    color: #FFFFFF;
  }

}


@media screen and (min-width: 1200px) {
    .news_content_750 {
      display: none;
    }

    .banner {
      height: 500px;
      min-width: 1200px;
      background-image: url("/img/tuandui_banner.png");
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      display: flex;
      flex-direction: column;
      justify-content: end;
      align-items: center;
      margin-bottom: 80px;
    }

    .banner_title {
      width: 1200px;
      margin: 0 auto;
      font-size: 60px;
      color: #FFFFFF;
      margin-bottom: 140px;
    }
  }

  @media screen and (max-width: 1199px) {
    .news_content {
      display: none;
    }

    .banner_750 {
      background-image: url("/img/news_banner_750.png");
      background-repeat: no-repeat;
      background-size: cover;
      background-position: center;
      height: 306px;
    }

    .banner_title_750 {
      padding-top: 174px;
      padding-left: 16px;
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 500;
      font-size: 27px;
      color: #FFFFFF;
    }

    .title_750 {
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 12px;
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 400;
      font-size: 20px;
      color: #333333;
       margin-top: 30px;
    }

    .line_750 {
      width: 150px;
      height: 1px;
      background: #B6B6B6;
      margin: 0 auto;
    }

    .content_750_1_container {
      margin-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
    }

    .content_750_1_item {
      width: 49%;
      box-shadow: 2px 3px 7px 1px rgba(0, 0, 0, 0.09);
      display: block;
      box-sizing: border-box;
    }
    .content_750_1_item:active,
    .content_750_1_item:active .content_750_1_item_bottom{
      outline: none;
      background: #3C37C0;
    }
    .content_750_1_item:active .content_750_1_item_time,
    .content_750_1_item:active .content_750_1_item_content
    {
      color: #fff;
    }
    .content_750_1_item img {
      width: 100%;
    }

    .content_750_1 {
      padding: 30px 16px;
      background: #f8f8f8;
    }

    .content_750_1_item_bottom {
      padding: 16px;
    }

    .content_750_1_item_time {
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 400;
      font-size: 12px;
      color: #999999;
    }

    .content_750_1_item_content {
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 500;
      font-size: 16px;
      color: #333333;
      display: -webkit-box;
      overflow: hidden;
      -webkit-line-clamp: 2;
      /* 限制显示两行 */
      -webkit-box-orient: vertical;
      /* 设置垂直排列方式 */
      text-overflow: ellipsis;
      /* 超出部分显示省略号 */
      line-height: 1.5;
      /* 设置行高 */
      margin-top: 8px;
    }

    .content_750_1_item_bottom {
      background: #fff;
    }

    .margin_box {
      margin-top: 12px;
    }
  }