*{
  padding: 0;
  margin: 0;
}
ul,li{
  list-style: none;
}
a{text-decoration: none;}
.center {
  width: 1200px;
  margin: 0 auto;
}
.banner {
  width: 100%;
  position: relative;
}

.header {
  /* background: hsla(0, 0%, 100%, .4); */
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(5px);
  background-clip: padding-box;
  width: calc(100% - 64px);
  padding-left: 32px;
  padding-right: 32px;
  height: 64px;
  position: fixed;
  left: 0;
  top: 0;
  cursor: pointer;
  transition: 0.5s all;
  z-index: 999;
}
.technical{
  width: 100%;
  height: 274px;
  background: #FBFCFF;
}
.technicalcen{
  height: 100%;
}
.technicalcen ul{
  width: 100%;
  height: 100%;
  display: flex;
  justify-content:space-between;
  align-items: center;
}
.technicalcen ul li{
  text-align: center;
}
.technicalcen ul li img{
  width: 72px;
  margin-bottom: 4px;
}
.technicalcen ul li p{
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #1E1E1E;
  letter-spacing: -0.04px;
  font-weight: 600;
}
.banner img {
  width: 100%;
  display: block;
}

.bannertxt {
  width: 1200px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.bannertxt h4 {
  font-family: PingFangSC-Medium;
  font-size: 44px;
  color: #000000;
  letter-spacing: -0.09px;
  font-weight: 500;
  text-align: left;
  margin-bottom: 20px;
}

.bannertxt p {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #000000;
  letter-spacing: -0.03px;
  font-weight: 400;
  text-align: left;
  margin-left: 4px;
}

.banner video {
  width: 100%;
  display: block;
}


.device{
  width: 100%;
  height: 1323px;
  background-image: linear-gradient(90deg, rgba(220,233,255,0.1) 0%, rgba(220,233,255,0.4) 100%);
}

.devicecen h2{
  font-family: PingFangSC-Regular;
  font-size: 40px;
  color: #1E1E1E;
  letter-spacing: -0.08px;
  font-weight: 400;
  text-align: center;
  padding-top: 80px;
  margin-bottom: 12px;
} 
.devicecen p{
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #5E636A;
  letter-spacing: -0.04px;
  font-weight: 400;
  text-align: center;
  margin-bottom: 34px;
}
.devicecen ul {
  width: 100%;
  display: flex;
  /* opacity: 0; */
  display: grid;
	justify-content: space-between;
	grid-template-columns: repeat(auto-fill, 285px);
}
.devicecen ul li{
  width: 285px;
  height: 318px;
  background: #F3F8FF;
  margin-bottom: 21px;
  box-shadow: 0px 2px 24px 0px rgba(230, 235, 243, 1);
  transition: 1s all;
  cursor: pointer;
}
.devicecen ul li:hover img{
  transform: scale(1.1);
}
.devicecen ul li img{
  width: 100%;
  transition: 0.5s all;
}
.devicecen ul li:nth-child(2) img{
  margin-top:55px;width:200px;height:200px;margin-left:41px
}
.devicecen ul li:nth-child(8) img{
margin-top:70px;width:136px;height:169px;margin-left:81px
}
.devicecen ul li:nth-child(10) img{
  margin-top:70px;width:187px;height:182px;margin-left:55px
}



.developingapis{
  width: 100%;
  height: 920px;
  background-image: linear-gradient(90deg, rgba(220,233,255,0.4) 0%, rgba(220,233,255,0.1) 100%);
}
.developingapis h2{
  font-family: PingFangSC-Regular;
  font-size: 40px;
  color: #1E1E1E;
  letter-spacing: -0.08px;
  font-weight: 400;
  text-align: center;
  padding-top: 88px;
  margin-bottom: 36px
} 
.developingapis p{
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #5E636A;
  letter-spacing: -0.04px;
  font-weight: 400;
  text-align: left;
  margin-bottom: 44px;
}
.developingapiscen img{
  width: 100%;
  height: 490px;
}
.seekadvicefrom {
  width: 100%;
  height: 100px;
  padding-top: 60px;
  background: url("https://oss.expoincloud.com/sjy_file/expo3dstore/images/abseekadvicefrom.png") no-repeat;
  background-size: 100% 100%;
  clear: both;
}

.seekadvicefrombtn {
  width: 120px;
  height: 44px;
  background-size: 100% 100%;
  background-image: linear-gradient(230deg, #3ECBFF 0%, #7282FF 50%, #CF6FFF 100%);
  border-radius: 4px;
  color: #fff;
  text-align: center;
  line-height: 44px;
  cursor: pointer;
  margin: 0px auto;
  font-family: PingFangSC-Regular;
}

.black li a {
  color: #000000 !important;
  font-weight: normal !important;
}

.msg h5 {
  color: #000000 !important;
  background: url(https://oss.expoincloud.com/sjy_file/expo3dstore/images/p_b.png) no-repeat !important;
  background-size: 16px 16px !important;
  background-position: left 24px !important;
  font-weight: normal !important;
}

.msg span {
  color: #000000 !important;
  font-weight: normal !important;
}

.msg h6 {
  color: #000000 !important;
  font-weight: normal !important;
}
.msg h6 a{
  color: #000000 !important;
}