@media screen and (min-width: 1200px) {
  .chanpin_750 {
    display: none;
  }

  .banner {
    height: 500px;
    min-width: 1200px;
    background-image: url("../img/chanpin_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;
  }

  .content {
    width: 1200px;
    margin: 0 auto;
  }

  .team_content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 40px;
    margin-bottom: 80px;
  }

  .card {
    box-sizing: border-box;
    display: block;
    padding: 40px;
    width: 590px;
    display: flex;
    justify-content: space-between;
    background: #F8F8F8;
    margin-top: 20px;
  }

  .left {
    width: 290px;
  }

  .diwei {
    font-weight: 500;
    font-size: 20px;
    color: #333333;
  }

  .name {
    margin: 24px 0;
    font-weight: 400;
    font-size: 14px;
    color: #777777;
  }

  .right {
    margin-left: 40px;
  }

  .introduction {
    font-weight: 400;
    font-size: 16px;
    color: #777777;
    overflow: hidden;
    display: -webkit-box;
    -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 */
  }

  .card:hover {
    background: #3C37C0;
  }

  .card:hover .diwei,
  .card:hover .name,
  .card:hover .introduction {
    color: #FFFFFF;
  }

  .more {
    width: 1200px;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    padding: 20px 0;
    text-align: center;
    background: #F8F8F8;
    margin-top: 50px;
    margin-bottom: 80px;
  }
}

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

  .banner_750 {
    background-image: url("../img/chanpin_banner.png");
    height: 306px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 124px;
    padding-left: 16px;
  }

  .banner_title {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 500;
    font-size: 27px;
    color: #FFFFFF;
  }

  .public_title_750 {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0 12px;
  }

  .public_title_750_line {
    width: 150px;
    height: 1px;
    background: #B6B6B6;
    margin: 0 auto 20px;
  }

  .public_content_750 {
    display: block;
    box-sizing: border-box;
    padding: 20px;
    background: #F8F8F8;
    margin: 12px auto 0;
    display: flex;
    justify-content: space-between;
  }
  .public_content_750:active{
    background: #3C37C0;
    outline: none;
  }
  .public_content_750:active .public_content_750_title,
  .public_content_750:active .public_content_750_time,
  .public_content_750:active .public_content_750_content {
    color: #FFFFFF;
  }
  .public_content_750_title {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 500;
    font-size: 16px;
    color: #333333;
    display: -webkit-box;
    -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: 1.2;
    /* 设置行高 */
    overflow: hidden;
  }

  .public_content_750_time {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 12px;
    color: #777777;
    margin-top: 9px;
  }

  .public_content_750_content {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #777777;
    display: -webkit-box;
    -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: 1.2;
    /* 设置行高 */
    overflow: hidden;
    margin-top: 10px;
  }

  .waiting_750 {
    padding: 20px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    text-align: center;
    background: #F8F8F8;
    height: 56px;
    margin: 12px auto 30px;
  }
  .public_content_750_left{
    letter-spacing: 1px;
    margin-right: 16px;
  }
}