/* 桌面端 */
@media (min-width: 1200px) {
  .mobile_case {
    display: none;
  }

  .case {
  }

  /* 管理系统 */
  .case_hwxt {
    margin-top: 2.5vw;
  }

  /* 管理系统第一 */
  .case_hwxt_first {
    height: 4vw;
    position: relative;
  }

  .case_hwxt_first p {
    font-weight: 550;
    text-align: center;
    font-size: 1.8vw;
    font-family: "SOURCEHANSANSCN-BOLD";
  }

  /* 管理系统第二 */
  .case_hwxt_second {
    padding: 0 11vw 2.5vw 11vw;
    display: flex;
    justify-content: space-between;
    border-bottom: 0.1vw solid #eee;
  }

  .case_hwxt_second div:nth-of-type(1) p {
    text-indent: 2em;
    font-size: 1.1vw;
    line-height: 1.8vw;
    letter-spacing: 0.05vw;
    font-family: "黑体";
  }

  /* 产品功能 */
  .case_fwhy {
    height: 33vw;
    padding-top: 2.5vw;
    background-image: url(../images/case_fwhy.png);
    background-size: 100%;
    background-repeat: no-repeat;
  }

  /* 产品功能第一 */
  .case_fwhy_first {
  }

  .case_fwhy_first p {
    margin-bottom: 3vw;
    font-weight: 550;
    text-align: center;
    font-size: 1.8vw;
    color: black;
    font-family: "SOURCEHANSANSCN-BOLD";
  }

  /* 生产用车第二 */
  .case_fwhy_second {
    padding: 0 12vw;
    margin-top: 1.3vw;
    display: flex;
    justify-content: space-between;
  }

  .case_fwhy_second_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  .case_fwhy_second_box div:nth-of-type(1) {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
  }

  .case_fwhy_second_box div:nth-of-type(1) img {
    height: 10.6vw;
  }

  .case_fwhy_second_box p {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8vw;
    text-align: center;
    -webkit-transform: translate3d(-50%, -50%, 0);
    transform: translate3d(-50%, -50%, 0);
    color: #ffffff;
    letter-spacing: 0.1em;
    font-size: 1.2vw;
  }

  /* 产品功能 */
  .case_khal {
    height: 43vw;
    padding-top: 2.5vw;
    background-image: url(../images/case_khal.png);
    background-size: 100%;
    background-repeat: no-repeat;
  }

  /* 产品功能第一 */
  .case_khal_first {
  }

  .case_khal_first p {
    margin-bottom: 3vw;
    font-weight: 550;
    text-align: center;
    font-size: 1.8vw;
    color: black;
    font-family: "SOURCEHANSANSCN-BOLD";
  }

  /* 生产用车第二 */
  .case_khal_second {
    padding: 0 12vw;
    margin-top: 1vw;
    display: flex;
    justify-content: space-between;
  }

  .case_khal_second_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  .case_khal_second_box div:nth-of-type(1) {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
  }

  .case_khal_second_box div:nth-of-type(1) img {
    height: 10.6vw;
  }
}

/* 移动端 */
@media (max-width: 1199px) {
  .case {
    display: none;
  }

  .mobile_case {
    margin-top: 15vw;
  }

  /* 管理系统 */
  .mobile_case_hwxt {
    margin-top: 10vw;
  }

  /* 管理系统第一 */
  .mobile_case_hwxt_first {
    height: 10vw;
    position: relative;
  }

  .mobile_case_hwxt_first p {
    text-align: center;
    font-size: 6vw;
    font-family: "SOURCEHANSANSCN-BOLD";
    font-weight: 600;
  }

  /* 管理系统第二 */
  .mobile_case_hwxt_second {
    padding: 0 5vw;
  }

  .mobile_case_hwxt_second div:nth-of-type(1) p {
    font-size: 4vw;
    text-indent: 2em;
    line-height: 6.5vw;
    letter-spacing: 0.05vw;
    font-family: "黑体";
    margin-top: 5vw;
  }

  /* 产品功能 */
  .mobile_case_fwhy {
    height: 206vw;
    padding-top: 2.5vw;
    background-image: url(../images/case_fwhy.png);
    background-size: cover;
    background-repeat: no-repeat;
  }

  /* 产品功能第一 */
  .mobile_case_fwhy_first {
  }

  .mobile_case_fwhy_first p {
    margin: 7vw 0;
    font-size: 6vw;
    text-align: center;
    font-family: "SOURCEHANSANSCN-BOLD";
    font-weight: 600;
  }

  /* 生产用车第二 */
  .mobile_case_fwhy_second {
    padding: 0 5vw;
    margin-top: 3vw;
    display: flex;
    justify-content: space-between;
  }

  .mobile_case_fwhy_second_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  .mobile_case_fwhy_second_box div:nth-of-type(1) {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
  }

  .mobile_case_fwhy_second_box div:nth-of-type(1) img {
    height: 32vw;
    border-radius: 4vw;
  }

  .mobile_case_fwhy_second_box p {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 32vw;
    text-align: center;
    -webkit-transform: translate3d(-50%, -50%, 0);
    transform: translate3d(-50%, -50%, 0);
    color: #ffffff;
    letter-spacing: 0.1em;
    font-size: 4.8vw;
  }

  /* 产品功能 */
  .mobile_case_khal {
    height: 188vw;
    padding-top: 2vw;
    background-image: url(../images/case_khal.png);
    background-size: cover;
    background-repeat: no-repeat;
  }

  /* 产品功能第一 */
  .mobile_case_khal_first {
  }

  .mobile_case_khal_first p {
    margin: 7vw 0;
    text-align: center;
    font-size: 6vw;
    color: black;
    font-family: "SOURCEHANSANSCN-BOLD";
    font-weight: 600;
  }

  /* 生产用车第二 */
  .mobile_case_khal_second {
    padding: 0 5vw;
    margin-top: 1vw;
    display: flex;
    justify-content: space-between;
  }

  .mobile_case_khal_second_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  .mobile_case_khal_second_box div:nth-of-type(1) {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
  }

  .mobile_case_khal_second_box div:nth-of-type(1) img {
    height: 25.5vw;
  }
}