.qianhe-home-about {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 4.166667vw, 80px) 0 clamp(30px, 2.083333vw, 40px) 0;
}

.qianhe-home-about .container {
  margin: 0 auto;
}

.qianhe-home-about .container,
.qianhe-home-abvideo {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between
}

.qianhe-home-aboutfl {
  position: relative;
  width: 46%;
  height: 100%;
  overflow: hidden
}

.qianhe-home-aboutfl img {
  width: 100%;
  transition: 1s all;
  vertical-align: middle;
}

.qianhe-home-aboutfl:hover img {
  -webkit-transform: scale(1.03);
  -moz-transform: scale(1.03);
  -ms-transform: scale(1.03);
  transform: scale(1.03)
}

.qianhe-home-aboutfr p {
  font-size: clamp(14px, 0.89vw, 17px);
  line-height: 1.6;
  margin-bottom: 10px;
}

.qianhe-home-abvideo {
  position: absolute;
  right: 43%;
  bottom: 43%;
  font-size: 0;
}

.qianhe-home-abvideo p {
  display: inline-block;
  margin-top: 7px;
  font-size: 18px;
  color: #fff;
  letter-spacing: 0;
  vertical-align: top
}

.qianhe-home-abvideo span {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  text-align: center;
  line-height: 46px;
  cursor: pointer;
  vertical-align: top;
  color: #fff;
}

.qianhe-home-abvideo span i {
  line-height: 46px;
}

.qianhe-home-aboutfl img.vclose {
  width: auto
}

.qianhe-home-aboutfr {
  width: 50.8%;
}

.qianhe-home-aboutfr .title {
  width: 100%;
  text-align: left
}

.qianhe-home-aboutfr .title h3 a {
  font-size: 36px;
  letter-spacing: 2px;
  color: #000009;
  font-weight: bold;
}

.qianhe-home-aboutfr .title h3 {
  display: block;
  font-weight: 700;
  font-size: clamp(24px, 2.2vw, 42px);

  letter-spacing: 0;
}


.qianhe-home-aboutfr .title p span{
  font-size: 26px;
  color:#333;
  font-weight: 700;
}
.qianhe-home-aboutnum {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-top: 10px;
}

.qianhe-home-aboutnum div {
  position: relative;
  width: 45%;
}


@keyframes ad_width {
  from {
    width: 0
  }

  to {
    width: 100%
  }
}

.qianhe-home-aboutnum div:hover::after {
  animation: ad_width 0.5s linear forwards;
  background: var(--bg-color)
}

.qianhe-home-aboutnum span {
  display: block;
  font-size: 26px;
  color: #212121;
  font-family: var(--title-font-family);
}

.qianhe-home-aboutnum span b {
  margin-right: 10px;
}

.qianhe-home-aboutnum p {
  color: #212121;
  margin-bottom: 5px;
  font-weight: 700;
}

.qianhe-home-aboutfr .main-href {
  margin-top: 20px;
  text-align: left
}

.qianhe-home-aboutfr .main-href a {
  display: inline-block;
  padding: 15px 65px;
  background: var(--color-primary);
  border-radius: var(--button-radius);
  color: #fff;
  font-size: clamp(13px, 0.78vw, 15px);
  letter-spacing: 1px;
}

.qianhe-home-aboutfr .main-href a i{
  font-size: clamp(13px, 0.78vw, 15px);
}

.qianhe-home-aboutfr .main-href a:hover {
  background: none;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

@media screen and (max-width: 1580px) {

  .qianhe-home-aboutnum div {
    margin-top: 5px;
  }


  .qianhe-home-abvideo p {
    font-size: 16px
  }




}

@media screen and (max-width: 1400px) {
 

  .qianhe-home-aboutfr .title h3 a {
    font-size: 32px;
  }

  .qianhe-home-abvideo p {
    width: 80%
  }

  .qianhe-home-aboutfr .main-href a {
    padding: 10px 25px;
  }
}


@media screen and (max-width: 991px) {
 

  .qianhe-home-about .container,
  .qianhe-home-abvideo {
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap
  }

  .qianhe-home-aboutfl {
    width: 100%;
    float: none;
    margin-right: 0
  }

  .qianhe-home-aboutfr {
    width: 100%;
    margin-top: 10px;
  }

  .qianhe-home-aboutfr .title h3 a {
    font-size: 30px;
  }

  .qianhe-home-aboutfr .qianhe-title p {
    font-size: 15px;
    line-height: 24px;
  }

  .qianhe-home-aboutnum {
    padding-right: 0
  }

  .qianhe-home-aboutfr .main-href a {
    padding: 10px 30px;
  }
}

@media screen and (max-width: 480px) {


  .qianhe-home-abvideo a p  {
    width: 76%;
  }

  .qianhe-home-aboutnum div {
    width: 100%;
  }
}