.ydd {
  display: none !important;
}
.pcd {
  display: block !important;
}
.banner-container{
  position: relative;
}
.banner-inside {
  position: absolute;
  left: 50%;
  bottom: .50rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  width: .42rem;
  height: .66rem;
  margin-left: -.21rem;
}
.banner-inside img{
  width: 100%;
  height: 100%;
}
.IOT-container {
  display: flex;
  flex-direction: column;
  margin-top: 0.9rem;
}
.IOT-banner {
  width: 100%;
}

img {
  width: 100%;
  height: auto;
  display: block;
}

.part-head-left {
  width: 1.49rem;
  height: 0.19rem;
}

.part-head-right {
  width: 1.49rem;
  height: 0.19rem;
}

.IOT-partOne {
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.IOT-partOne-bg {
  width: 100%;
  height: 8.65rem;
}
.partOne-head {
  position: absolute;
  top: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part-head-center {
  margin: 0 0.44rem;
  font-size: 0.36rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #1F223F;
  line-height: 0.5rem;
}
.partOne-sub {
  position: absolute;
  top: 1.34rem;
  font-size: 0.2rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(31, 34, 63, 0.5);
  line-height: 0.28rem;
}
.partOne-content {
  width: 16rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  top: 2.43rem;
}
.partOne-content-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 3.68rem;
  height: 4.99rem;
  background: #FFFFFF;
  border: 0.01rem solid rgba(223, 223, 223, 0.5);
}
.partOne-content-item:hover {
  transform: scale(1.02);
  box-shadow: 0px 2px 10px 8px rgba(124, 139, 153, 0.09);
}
.partOne-content-item-icon {
  width: 3.64rem;
  height: 2.12rem;
}
.partOne-content-item-title {
  margin-top: 0.32rem;
  font-size: 0.28rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 500;
  color: #000000;
  line-height: 0.37rem;
}

.partOne-content-item-sub {
  margin-top: 0.22rem;
  width: 2.85rem;
  font-size: 0.22rem;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.7);
  line-height: 0.3rem;
}

.IOT-partTwo {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.partTwo-content {
  position: absolute;
  width: 100%;
}
.partTwo-bg {
  width: 100%;
}


.partThree {
  height: 14.31rem;
  width: 100%;
  background: #F1F5FB;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.partThree-head {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.7rem;
}
.partThree-sub {
  margin-top: 0.12rem;
  font-size: 0.2rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(31, 34, 63, 0.5);
  line-height: 0.28rem;
}
.partThree-content {
  width: 16rem;
  margin-top: 0.81rem;
}
.partThree-content-item {
  margin-top: 0.36rem;
  width: 16rem;
  height: 3.2rem;
  display: flex;
  align-items: center;
}
.item {
  width: 2.87rem;
  height: 3.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background: #FFFFFF;
  border-left: 0.01rem solid rgba(234, 234, 234, 0.8);
}
.item-title {
  margin-top: 0.25rem;
  font-size: 0.27rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: bold;
  color: #343752;
  line-height: 0.37rem;
}
.item-sub-title{
  font-size: 0.21rem;
}
.item-sub {
  margin-top: 0.17rem;
  max-width: 2.56rem;
  font-size: 0.21rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #292C48;
  line-height: 0.31rem;
}

.partFour {
  /* position: relative; */
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: url('../image/bg_shixianrenjiwuzhinenghulian2@2x.png') no-repeat;
  background-size: 100%;
  height: 14.97rem;
}
.partOne-head-four{
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 0.72rem;
  margin-bottom: 0.12rem;
}
.partOne-sub-four{
  font-size: 0.2rem;
  font-weight: 400;
  color: rgba(31, 34, 63, 0.5);
  line-height: 0.28rem;
}
.partFour-bg {
  width: 100;
  height: 14.97rem;
}
.partFour-video-container{
  flex:1;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top:-1.8rem;
}
/* .partFour-content {
  width: 100%;
  height: auto;
} */

.partFive {
  padding-top: 0.7rem;
  padding-bottom: 1rem;
  width: 100%;
  background: #F1F5FB;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.partFive-head {
  display: flex;
  align-items: center;
  justify-content: center;
}
.partFive-sub {
  margin-top: 0.12rem;
  font-size: 0.2rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(31, 34, 63, 0.5);
  line-height: 0.28rem;
}
.partFive-content {
  width: 16rem;
  height: 7.05rem;
  margin-top: 0.74rem;
}

.partSix {
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.partSix-head {
  position: absolute;
  top: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partSix-head-center {
  margin: 0 0.44rem;
  font-size: 0.36rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #FFFFFF;;
  line-height: 0.5rem;
}
.partSix-sub {
  position: absolute;
  top: 1.34rem;
  font-size: 0.2rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  line-height: 0.28rem;
}
.partSix-bg {
  width: 100%;
  height: 11.21rem;
}

.partSix-content {
  position: absolute;
  top: 2.3rem;
  width: 16rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.partSix-content-container {
  width: 10.55rem;
  display: flex;
  justify-content: space-between;
}

.partSix-content-item {
  width: 5.1rem;
  height: 2.31rem;
  border: 0.01rem solid #979797;
  margin-bottom: 0.35rem;
}
.partSix-content-item-title {
  margin: 0.28rem 0 0.13rem 0.25rem;
  width: 3.3rem;
  height: 0.25rem;
  font-size: 0.24rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: bold;
  color: #FFFFFF;
  line-height: 0.25rem;
}
.partSix-content-item-sub {
  width: 3.3rem;
  margin-left: 0.25rem;
  font-size: 0.16rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 0.3rem;
}
.partSix-content-item:hover {
  background-color: #FFFFFF;
  color: #1F223F;
}

.partSix-content-item:hover .partSix-content-item-sub,
.partSix-content-item:hover .partSix-content-item-title {
  color: #1F223F;
}

.partSeven {
  position: relative;
  display: flex;
  align-items: center;
  flex-direction: column;
  width: 100%;
  background-color: #FFFFFF;
}
.partSeven-head {
  margin-top: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partSeven-head-center {
  margin: 0 0.44rem;
  font-size: 0.36rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #1F223F;
  line-height: 0.5rem;
}
.partSeven-content {
  width: 16rem;
  height: 9.06rem;
}
.partSeven-sub {
  margin-top: 0.12rem;
  font-size: 0.2rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(31, 34, 63, 0.5);
  line-height: 0.28rem;
}


@media screen and (max-width: 750px) {
  .ydd {
    display: flex !important;
  }
  .pcd {
    display: none !important;
  }
  .IOT_yd {
    width: 100vw;
    margin-top: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #F7FAFF;
  }
  .IOT_yd_banner {
    width: 7.5rem;
    height: 4.04rem;
  }

  .part-head {
    width: 7.5rem;
    height: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
  }
  .part-head-icon {
    width: 1.49rem;
    height: 0.19rem;
  }
  .part-head-text {
    font-size: 0.36rem;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #1F223F;
    line-height: 0.5rem;
  }
  .part-head-sub {
    display: flex;
    justify-content: center;
    margin-top: 0.12rem;
    font-size: 0.2rem;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(31, 34, 63, 0.5);
    line-height: 0.28rem;
  }
  img {
    width: 100%;
    height: auto;
    display: block;
  }

  
  .partOne_yd {
    width: 7.5rem;
    padding-top: 0.56rem;
    padding-bottom: 0.27rem;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .partOne_yd .partOne_yd_content {
    width: 6.94rem;
    margin-top: 0.56rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .partOne_yd_content-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 3.32rem;
    height: 4.63rem;
    background: #FFFFFF;
    margin-bottom: 0.3rem;
  }
  .partOne_yd_content-item-icon {
    /* margin: 0.43rem 0 0 0.14rem; */
    width: 3.24rem;
    height: 1.88rem;
  }
  .partOne_yd_content-item-title {
    margin-top: 0.31rem;
    font-size: 0.3rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #1F223F;
    line-height: 0.42rem;
  }
  .partOne_yd_content-item-sub {
    margin-top: 0.24rem;
    width: 2.7rem;
    font-size: 0.24rem;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #4C4C4C;
    line-height: 0.42rem;
  }


  .partTwo_yd {
    position: relative;
    width: 7.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .partTwo_yd_title {
    position: absolute;
    top: 0.56rem;
    width: 5.9rem;
    height: 0.9rem;
  }

  .partThree_yd {
    position: relative;
    width: 7.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .partThree_yd_head {
    position: absolute;
    top: 0.56rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-around;
  }
  .partThree_yd_head_sub {
    position: absolute;
    top: 1.18rem;
  }


  .partFour_yd {
    position: relative;
    width: 7.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .partFour_yd_bg {
    width: 7.5rem;
    height: 7.16rem;
  }
  .partFour_yd_title {
    width: 6.74rem;
    height: 0.9rem;
    position: absolute;
    top: 0.56rem;
  }
  .partFour_yd_content {
    width: 7.01rem;
    height: 4.57rem;
    position: absolute;
    top: 2rem;
  }


  .partFive_yd {
    position: relative;
    padding-top: 0.56rem;
    padding-bottom: 0.2rem;
    width: 7.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .partFive_yd_content {
    width: 7.35rem;
    height: 5.29rem;
    margin-top: 0.2rem;
  }

  
  .partSix_yd {
    position: relative;
    width: 7.5rem;
    display: flex;
    align-items: center;
    flex-direction: column;
    background-color: #090F24;
    padding-bottom: 1.2rem;
  }
  .partSix_yd_bg {
    width: 7.5rem;
    height: 16.37rem;
  }
  .partSix_yd_head {
    position: absolute;
    top: 0.56rem;
  }
  .partSix_yd_sub {
    position: absolute;
    top: 1.18rem;
  }
  .partSix_yd_content {
    position: absolute;
    top: 2.02rem;
    width: 6.94rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .partSix_yd_content-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 3.32rem;
    height: 3.5rem;
    background: #FFFFFF;
    margin-bottom: 0.3rem;
  }
  .partSix_yd_content-item-title {
    margin-top: 0.33rem;
    font-size: 0.3rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #1F223F;
    line-height: 0.42rem;
  }
  .partSix_yd_content-item-sub {
    margin-top: 0.24rem;
    width: 3rem;
    font-size: 0.24rem;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #4C4C4C;
    line-height: 0.42rem;
  }

  .cooperation {
    padding-top: 0.56rem;
    width: 7.5rem;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .cooperation-img {
    width: 6.95rem;
    height: 3.74rem;
    margin-top: 0.56rem;
  }
}