/*大屏幕*/
@media screen and (min-width: 1600px) {

  /* 1400px */
  * {
    margin: 0;
    padding: 0;
  }

  /*移动端隐藏部分*/
  .return {
    display: none;
  }

  .return>p {
    display: none;
  }

  .func_bar {
    display: none;
  }

  .paddingTop>.abstract>.abstract-content>.abstract-adv-title {
    display: none;
  }

  .paddingTop>.abstract>.abstract-content>.abstract-adv-subtitle {
    display: none;
  }

  .paddingTop>.abstract>.abstract-content>.abstract-adv-bg {
    display: none;
  }

  .paddingTop>.abstract {
    /* margin-top: 80px; */
    /* margin-bottom: 106px; */
    width: 100%;
    /* height: 1547px; */
  }

  .paddingTop>.abstract .abstract-bg {
    width: 100%;
    height: 320px;
    /* background: url('../img/abstract-bg.png') no-repeat center; */
  }

  .abstract .abstract-tab-bar {
    width: 100%;
    height: 82px;
    background: #D7D7D7;
  }

  .abstract .abstract-tab-bar span {
    height: 25px;
    /* margin-left: 260px; */
    line-height: 82px;
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
  }

  .abstract .abstract-content {
    margin: 100px auto;
    /* background: red; */
  }

  .abstract .abstract-content .abstract-content-title {
    width: 100%;
    text-align: center;
    font-size: 30px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
  }

  .abstract .abstract-content .abstract-content-subtitle {
    width: 100%;
    text-align: center;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(51, 51, 51, 0.3);
  }

  .abstract .abstract-content .paragraph {
    width: 975px;
    margin-top: 18px;
    margin-left: auto;
    margin-right: auto;
    white-space: normal;
  }

  .abstract .abstract-content .paragraph span {
    display: inline-block;
    margin-top: 18px;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(24, 27, 28, 0.6);
  }

  .abstract .abstract-content .title {
    width: 100%;
    margin-top: 62px;
    text-align: center;
    font-size: 24px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
  }

  .abstract .abstract-content .img {
    margin-top: 20px;
    width: 100%;
    /* height: 620px; */
    background: url('../img/abstract-about.png') no-repeat;
    background-position: center;
  }

  .abstract .abstract-content .abstract-adv-title {
    display: none;
  }

  .abstract .abstract-content .abstract-adv-subtitle {
    display: none;
  }

  .abstract .abstract-content .abstract-adv-bg {
    display: none;
  }

}

/*小屏幕*/
@media (max-width: 1599.9px) and (min-width: 1279px) {

  /* 1200px */
  * {
    margin: 0;
    padding: 0;
  }

  /*移动端隐藏部分*/
  .return {
    display: none;
  }

  .func_bar {
    display: none;
  }

  .paddingTop>.abstract>.abstract-content>.abstract-adv-title {
    display: none;
  }

  .paddingTop>.abstract>.abstract-content>.abstract-adv-subtitle {
    display: none;
  }

  .paddingTop>.abstract>.abstract-content>.abstract-adv-bg {
    display: none;
  }

  .paddingTop>.abstract {
    /* margin-top: 80px; */
    /* margin-bottom: 106px; */
    width: 100%;
    /* height: 1447px; */
  }

  .abstract .abstract-bg {
    width: 100%;
    /* height: 320px; */
    margin: auto;
    /* background: url('../img/abstract-bg.png') no-repeat center; */
  }

  .abstract .abstract-tab-bar {
    width: 100%;
    height: 82px;
    background: #D7D7D7;
  }

  .abstract .abstract-tab-bar span {
    height: 25px;
    /* margin-left: 260px; */
    line-height: 82px;
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
  }

  .abstract .abstract-content {
    /* position: relative; */
    /* width: 1400px; */
    /* height: 720px; */
    margin: 100px auto;
    /* background: red; */
  }

  .abstract .abstract-content .abstract-content-title {
    width: 100%;
    text-align: center;
    font-size: 30px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
  }

  .abstract .abstract-content .abstract-content-subtitle {
    width: 100%;
    text-align: center;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(51, 51, 51, 0.3);
  }

  .abstract .abstract-content .paragraph {
    width: 975px;
    margin-top: 18px;
    margin-left: auto;
    margin-right: auto;
    white-space: normal;
  }

  .abstract .abstract-content .paragraph span {
    display: inline-block;
    margin-top: 18px;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(24, 27, 28, 0.6);
  }

  .abstract .abstract-content .title {
    width: 100%;
    margin-top: 62px;
    text-align: center;
    font-size: 24px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
  }

  .abstract .abstract-content .img {
    margin-top: 20px;
    width: 100%;
    /* height: 620px; */
    background: url('../img/abstract-about.png') no-repeat;
    background-position: center;
  }

  .abstract .abstract-content .abstract-adv-title {
    display: none;
  }

  .abstract .abstract-content .abstract-adv-subtitle {
    display: none;
  }

  .abstract .abstract-content .abstract-adv-bg {
    display: none;
  }
}

/*平板*/
@media (max-width: 1278.9px) {

  /* 百分制单位 */
  * {
    margin: 0;
    padding: 0;
  }

  .abstract {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .abstract .abstract-bg {
    width: 100%;
    height: 63px;
    margin: 0 auto;
    /* background: url('../img/abstract-bg.png') no-repeat center; */
    background-size: 100%;
  }


  .abstract .abstract-tab-bar {
    width: 100%;
    height: 80px;
    background: #D7D7D7;
    display: none;
  }

  .abstract .abstract-tab-bar span {
    height: 25px;
    margin-left: 260px;
    line-height: 80px;
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
  }

  .abstract .abstract-content {
    margin: 20px auto;
    width: 92%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .abstract .abstract-content .abstract-content-title {
    width: 100%;
    text-align: center;
    font-size: 16px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
  }

  .abstract .abstract-content .abstract-content-subtitle {
    width: 100%;
    text-align: center;
    font-size: 12px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: rgba(51, 51, 51, 0.3);
  }

  .abstract .abstract-content .paragraph {
    /* width: 975px; */
    margin-top: 13px;
    margin-left: auto;
    margin-right: auto;
    white-space: normal;
  }

  .abstract .abstract-content .paragraph span {
    display: inline-block;
    margin-top: 13px;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(24, 27, 28, 0.5);
  }

  .abstract .abstract-content .title {
    display: none;
  }

  .abstract .abstract-content .img {
    margin-top: 20px;
    width: 100%;
    height: 17.28%;
    /* height: 17.28%; */
    /* background: url('../img/abstract-about.png') no-repeat;
    background-position: center;
    background-size: 150%; */
  }

  .abstract .abstract-content .abstract-adv-title {
    margin-top: 20px;
    font-size: 16px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
  }

  .abstract .abstract-content .abstract-adv-subtitle {
    width: 100%;
    text-align: center;
    font-size: 12px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: rgba(51, 51, 51, 0.3);
  }

  .abstract .abstract-content .abstract-adv-bg {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .abstract .abstract-content .abstract-adv-bg .img-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .abstract .abstract-content .abstract-adv-bg .img-wrapper p:nth-child(2) {
    position: absolute;
    top: 56.53%;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
  }

  .abstract .abstract-content .abstract-adv-bg .img-wrapper p:nth-child(3) {
    position: absolute;
    top:63.44%;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
  }

  .abstract .abstract-content .abstract-adv-bg img {
    width: 100%;
    height: 17.28%;
    margin-top: 12px;
  }
}