*{
  margin: 0;
  border: 0;
  box-sizing: border-box;
}
a{
  text-decoration: none;
}
.App{
  background-color: white;
}
#header{
  width: 100%;
  height: 68px;
  padding: 0 75px;
  background-color: rgba(0,0,0,0.8);
  position: fixed;
  top: 0;
  font-family: "微软雅黑", Verdana, Arial, Helvetica, sans-serif;
  z-index: 99;
}
.wqdImg{
  position: absolute;
  left: 90px;
}
.top-content{
  width: 500px;
  height: 100%;
  margin: 0 auto;
}
.top-content>a{
  display: inline-block;
  text-align: center;
  line-height: 68px;
  width: 20%;
  font-size: 16px;
  color: white;
}
.top-content>a:hover{
  background-color: rgba(77, 74, 74, 0.4);
  color: rgb(46, 168, 230);
  transition: .3s;
}
.top-right{
  position: absolute;
  height: 100%;
  width: 200px;
  display: flex;
  justify-content: space-around;
  right: 0;
  top: 0;
  margin-right: 100px;
}
.a-text{
  font-size: 14px;
  color: #A9A9A9;
  line-height: 68px;
  display: inline-block;
  margin: 0 6px;
}
.a-text:hover{
  color: white;
}
.down-load{
  line-height: 36px;
  height: 36px;
  width: 70px;
  margin: 16px 0;
  color: white;
  text-align: center;
  background-color: rgb(46, 168, 230);
}
.carousel{
  margin-top: 68px;
  position: relative;
}
.carousel-item{
  width: 100%;
  height: 750px;
  background-repeat: no-repeat;
  background-size: cover;
}
.carousel-title{
  color: white;
  font-size: 65px;
  padding-top: 200px;
  padding-left: 20%;
  margin: 0;
}
.carousel-text{
  color: white;
  font-size: 30px;
  padding-left: 20%;
  letter-spacing: 5px;
  text-indent: 2px;
}
.carousel-icon{
  display: inline-block;
  width: 50px;
  height: 50px;
  background-color: rgba(6, 19, 19, 0.7);
  position: absolute;
  top: 350px;
  z-index: 99;
  background-repeat: no-repeat;
  color: white;
  background-image: url('http://zhengxin-1301158478.image.myqcloud.com/image/20210303/d707b8f0e0721e5f.png') ;
  background-position: center;
  background-size: 30px 30px;
}
.carousel-left{
  left: 20px;
  top: calc(50% - 25px);
}
.carousel-right{
  right: 20px;
  transform:rotate(180deg);
  top: calc(50% - 25px);
}
.center-content{
  width: 1200px;
  height: 838px;
  margin: 0 auto;
}
.content-title{
  margin-top: 40px;
  font-size: 40px;
  font-weight: bolder;
  color: #333;
  text-align: center;
}
.content-text{
  font-size: 18px;
  text-align: center;
  margin: 0 auto;
  margin-bottom: 40px;
  color: #666666;
}
.center-item{
  background-image: url('http://zhengxin-1301158478.image.myqcloud.com/image/20210303/dd151cf7e059d98f.png');
  width: 1200px;
  height: 574px;
  background-size: cover;
  position: relative;
}
.egTextList{
  position: absolute;
}
.egTextList>h1{
  color: white;
  font-size: 30px;
  margin: 0;
}
.egTextList>p{
  color: white;
  font-size: 14px;
  letter-spacing: 1px;
  width: 230px;
  height: 75px;
}
.egTextList-one{
  left: 40px;
  bottom: 30px;
}
.egTextList-two{
  right: 325px;
  top: 106px;
}
.egTextList-three{
  right: 325px;
  bottom: 10px;
}
.exhibition{
  width: 95%;
  margin: 0 auto;
  background-image: url('http://zhengxin-1301158478.image.myqcloud.com/image/20210303/213841d5bac470fb.png');
  background-repeat: no-repeat;
  background-size: 96%;
  background-position: 128px  36px;
  margin-top: 150px;
  box-sizing: border-box;
  overflow: hidden;
  /* background-color: #333; */
}
.exhibition-item{
  width: 1300px;
  margin: 0 auto;
  height: 600px;
  display: flex;
  justify-content: space-between;
  padding-top: 100px;
}
.exhibition-img{
  width: 700px;
  height: 500px;
  background-repeat: no-repeat;
  background-size: contain;
  margin-top: 80px;
  margin-left: 85px;
}
.oneleft-img{
  background-position: -81px 38px;
}
.twoleft-img{
  background-position: -11px 32px;
}
.threeleft-img{
  background-position: 75px 64px;
  background-size: 80%;
}
.ml{
  margin-left: 80px;
}
.mr{
  margin-right: 80px;
}
.threeright-img{
  background-size: 80%;
  background-position: 0 50px;
}
.exhibition-textdiv{
  padding-top: 150px;
  width: 390px;
  height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.exhibition-textdiv h1{
  text-align: left;
  color: #333;
}
.exhibition-textdiv p{
  text-align: left;
  width: 300px;
  height: 50px;
  color: #333;
  line-height: 25px;
}
.footer-content{
  width: 100%;
  height: 644px;
  background-image: url('http://zhengxin-1301158478.image.myqcloud.com/image/20210303/715dd1d78f75e259.jpg');
  background-repeat: no-repeat;
  background-size: cover;
}
.footer-item{
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.69);
  background-image: url('http://zhengxin-1301158478.image.myqcloud.com/image/20210303/6cc6dac880f3349f.png');
  background-repeat: no-repeat;
  background-size: 100% 143px;
  background-position: 0 501px;
}
.footer-title{
  padding-top: 70px;
  font-weight: bold;
  color: white;
  font-size: 37px;
  text-align: center;
  margin-bottom: 5px;
}
.footer-text{
  width: 100%;
  text-align: center;
  color: white;
  letter-spacing: 2px;
  font-size: 15px;
}
.footer-box{
  display: flex;
  /* width: 85%; */
  width: 1200px;
  height: 473px;
  justify-content: space-between;
  margin: 0 auto;
}
.footer-box>div{
  width: 30%;
  height: 236px;
}
.footer-box div>p{
  margin: 25px 0;
  color: white;
  font-size: 20px;
}
.box-left>p{
  text-align: right;
}
.box-left img{
  margin-left: 15px;
  margin-bottom: 5px;
  width: 30px;
  height: 30px;
}
.box-center{
  margin-top: 32px;
  background-image: url('http://zhengxin-1301158478.image.myqcloud.com/image/20210303/9632628bb2aa9e63.png');
  width: 380px !important;
  height: 323px !important;
  background-size: 100%;
  background-repeat: no-repeat;
}
.carousel-view{
  width: 95%;
  height: 95%;
  margin: 10px;
}
.box-right img{
  margin-right: 15px;
  margin-bottom: 5px;
  width: 30px;
  height: 30px;
}
.box-right>p{
  text-align: left;
}
.footer-case{
  width: 100%;
  height: 800px;
  background-image: url('http://zhengxin-1301158478.image.myqcloud.com/image/20210303/023f217795ceaaa8.png');
  background-size: cover;
  background-repeat: no-repeat;
}
.carousel-case{
  width: 1200px;
  margin: 0 auto;
  position: relative;
}
.case-content{
  width: 100%;
  height: 335px;
  display: flex !important;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
}
.case-content>div{
  width: 30%;
}
.case-content img{
  width: 320px;
  margin: 0 calc((100% - 320px) / 2);
  height: 213px;
}
.case-content p{
  width: 100%;
  text-align: center;
  margin-top: 10px;
  color: #3A3A3A;
  font-size: 18px;
}
.footer-step{
  width: 1200px;
  height: 230px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.step-item{
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 2px solid rgba(197, 196, 196,.3);
  display: flex;
  justify-content: center;
  align-items: center;
  
}
.item-circular{
  width: 140px;
  height: 140px;
  line-height: 140px;
  text-align: center;
  border-radius: 50%;
  border: 2px solid rgba(197, 196, 196,.3);
}
.footer-step img{
  width: 14.6px;
  height: 25px;
}
.step-icon{
  display: inline-block;
  width: 140px;
  height: 140px;
  color: rgb(89, 296, 255);
  font-size: 65px;
}
@keyframes myRotateIn {
  0% {
    transform: rotate(-200deg);
    opacity: 0;
  }
  100% {
    transform: rotate(0);
    opacity: 1;
  }
}
.myRotateIn {
  animation-name: myRotateIn;
  animation-duration: 1s;
}
.step-title{
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.step-title>p{
  width: 170px;
  text-align: center;
  color: #3A3A3A;
  font-size: 18px;
}
.footer-aboutOur{
  width: 100%;
  height: 381px;
  background-color: #272727;
  padding-top: 100px;
}
.about-conpany{
  width: 1010px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
}
.info-box{
  width: 22%;
}
.info-box h4{
  font-size: 15px;
  font-weight: bold;
  color: #FFFFFF;
}
.info-box>p,.company-name{
  width: 230px;
  color: #818181;
  font-size: 14px;
  margin: 0;
}
.company-name{
  text-align: center;
  width: 500px;
  margin: 5px auto;
}
hr{
  height: 1px;
  margin: 5px 0;
  background-color: #A9A9A9;
  width: 128px;
}