.w1380{
  max-width: 1380px;
  margin: 0 auto;
}

.nav-box{
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  width: 100%;
  height: 84px;
  border-bottom: 1px solid  rgb(255, 255, 255, .2);
  z-index: 1000;
}
.nav{
  height: 84px;
  display: flex;
  justify-content:space-between;
  align-items: center;
}
.nav-box .logo{
  display: block;
}
.nav-box .logo img{
  max-width: 100%;
  height: 54px;
}
.nav-box ul{
  display: flex;
  justify-content: flex-start;
}
.nav-box ul li{
 margin-right: 30px;
}
.nav-box ul li:last-child{
  margin-right: 0;
}
.nav-box ul  .line{
 margin-left: 30px;
 position: relative;
}
.nav-box ul  .line::after{
 content: '';
 position: absolute;
 left: -30px;
 top: 50%;
 width: 1px;
 height: 20px;
 margin-top: -10px;
 background: rgb(255, 255, 255, .2);
}
.nav-box ul li a{
  display: inline-block;
  padding-bottom: 10px;
  color: #ffffff;
  font-size: 18px;
  text-align: center;
  padding-top: 23px;
  padding-bottom: 10px;
}
.nav-box ul li a text{
  display: block;
  font-size: 14px;
  line-height: 25px;
  font-weight: 500;
}
.nav-box ul li a:hover,
.nav-box ul .current a{
  border-bottom: 3px solid #ffffff;
}
.carousel{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.carousel{
  animation: bounce-in 5s;
}

@keyframes bounce-in {
  0% {
    transform: scale(1.04);
  }
  100% {
    transform: scale(1);
  }
}
.bg{
  background: rgb(0, 0, 0, .1);
  padding-top: 84px;
}
.carousel-box{
  text-align: center;
  padding: 100px 0;
  padding-bottom: 120px;
  color: #ffffff;
}
.carousel-box h2{
  font-size: 52px;
  letter-spacing: 10px;
  padding-top: 15px;
}
.carousel-box h5{
  font-size: 18px;
  line-height: 30px;
  margin-bottom: 40px;
}
.carousel-box p{
  font-size: 18px;
  letter-spacing: 5px;
  position: relative;
  padding-top: 5px;
  display: inline-block;
}
.carousel-box p::after{
  content: '';
  position: absolute;
  right: -110px;
  top: 55%;
  width: 100px;
  height: 1px;
  background: linear-gradient(to left, rgb(255,255,255, 0.1), #ffffff);
}
.carousel-box p::before{
  content: '';
  position: absolute;
  left: -110px;
  top: 55%;
  width: 100px;
  height: 1px;
  background: linear-gradient(to left,#ffffff, rgb(255,255,255, 0.1));
}
.carousel-box h6{
  font-size: 16px;
  line-height: 30px;
  color: #fff;
}
.carousel-but{
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 56px;
}
.carousel-but button{
  margin: 0 10px;
  color: #fff;
  font-size: 20px;
  width: 220px;
  background: #1b5ce3;
  line-height: 46px;
  border-radius: 30px;
  border: 1px solid #1b5ce3;

}
.carousel-but a{
  display: block;
  margin: 0 15px;
  color: #fff;
  font-size: 20px;
  width: 210px;
  line-height: 46px;
  border-radius: 30px;
  border: 1px solid #fff;
}
.carousel-but a:first-child:hover{
  background: #1b5ce3;
  border: 1px solid #1b5ce3;
}
.qixiangtong{
  padding-top: 50px;
  text-align: center;
}
.qixiangtong h4{
  font-size: 36px;
  color: #333;
  padding-bottom: 25px;
  position: relative;
}
.qixiangtong h4::after{
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 50px;
  height: 3px;
  background: #1372dd;
  margin-left: -25px;
}
.qixiangtong p{
  font-size: 16px;
  color: #595959;
  line-height: 30px;
  margin: 0 auto;
  margin-top: 25px;
}
.qixiangtong-img{
  max-width: 1500px;
  margin: 20px auto;
  background-image: url(../image/image1.png);
  background-repeat: no-repeat;
  background-size: cover;
  padding-bottom: 45px;
}
.qixiangtong p{
  font-size: 16px;
  color: #595959;
  line-height: 30px;
  margin: 0 auto;
  margin-top: 25px;
}
.qixiangtong p text{
  color: #1b5ce3;
}
.product{
  background: #f2f2f2;
  padding: 80px 0;
}
.qixiangtong-tt{
 font-size: 40px;
 color: #333333;
 text-align: center;
 padding-bottom: 40px;
}
.ca-menu{
  padding:0;
  display: flex;
}
.ca-menu li{
  width: 25%;
  overflow: hidden;
  position: relative;
  /* float:left; */
  -webkit-transition: all 300ms linear;
  -moz-transition: all 300ms linear;
  -o-transition: all 300ms linear;
  -ms-transition: all 300ms linear;
  transition: all 300ms linear;
}
.ca-menu li:last-child{
  margin-right: 0px;
}
.ca-menu li a{
  text-align: left;
  width: calc(100% - 6px);
  /* height: 100%; */
  display: block;
  color: #333;
  position: relative;
  background: #fff;
  margin-right: 6px;
  margin-top: 6px;
  padding: 0 20px;
  padding-bottom: 60px;
}
.ca-icon{
  /* position: absolute;
  width: 100%;
  height: 70%;
  left: 0px;
  top: 0px; */
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 220px;
}
.ca-icon_b{
  display: none;
}
.ca-content{
  /* position: absolute;
  left: 0px;
  width: 100%;
  bottom: 100px; */
  padding-top: 20px;
}
.ca-main{
  font-size: 24px;
  color: #333333;
  font-weight: bold;
  text-align: center;
  -webkit-transition: all 200ms linear;
  -moz-transition: all 200ms linear;
  -o-transition: all 200ms linear;
  -ms-transition: all 200ms linear;
  transition: all 200ms linear;
}
.ca-label{
  display: none;
  font-size: 14px;
  color: #666666;
  text-align: center;
  -webkit-transition: all 200ms linear;
  -moz-transition: all 200ms linear;
  -o-transition: all 200ms linear;
  -ms-transition: all 200ms linear;
  transition: all 200ms linear;
}
.ca-sub{
  text-align:center;
  font-size: 14px;
  color: #999999;
  /* position: absolute; */
  line-height: 40px;
  width: 100%;
  /* left: 0px; */
  -webkit-transition: all 200ms linear;
  -moz-transition: all 200ms linear;
  -o-transition: all 200ms linear;
  -ms-transition: all 200ms linear;
  transition: all 200ms linear;
}

.ca-content p{
  display: none;
}
.ca-img {
  position: absolute;
  right: 0;
  top: 0;
}
.ca-menu li:hover{
  z-index:999;
  -webkit-transform: scale(1.1);  
  -moz-transform: scale(1.1);  
  -ms-transform: scale(1.1);   
  -o-transform: scale(1.1);   
  transform: scale(1.1);  
}
.ca-menu li:hover a{
  background: #1b5ce3;
}
.ca-menu li:hover .ca-sub{
  color: #ffffff;
  font-size: 14px;
}
.ca-menu li:hover .ca-icon{
  display: none;
}
.ca-menu li:hover .ca-icon_b{
  width: 100%;
  height: 220px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.ca-menu li:hover .ca-content{

}
.ca-menu li:hover .ca-label,
.ca-menu li:hover .ca-main{
  display: block;
  color: #ffffff;
  -webkit-animation: smallToBig 300ms ease;
  -moz-animation: smallToBig 300ms ease;
  -ms-animation: smallToBig 300ms ease;
}
.ca-menu li:hover .ca-content p{
   display: block;
   margin-top: 30px;
   font-size: 16px;
   line-height: 30px;
   color: #ffffff;
  -webkit-animation: moveFromBottom 500ms ease;
  -moz-animation: moveFromBottom 500ms ease;
  -ms-animation: moveFromBottom 500ms ease;
}
@-webkit-keyframes smallToBig{
  from {
      -webkit-transform: scale(0.1);
  }
  to {
      -webkit-transform: scale(1);
  }
}
@-moz-keyframes smallToBig{
  from {
      -moz-transform: scale(0.1);
  }
  to {
      -moz-transform: scale(1);
  }
}
@-ms-keyframes smallToBig{
  from {
      -ms-transform: scale(0.1);
  }
  to {
      -ms-transform: scale(1);
  }
}

@-webkit-keyframes moveFromBottom {
  from {
      -webkit-transform: translateY(100%);
  }
  to {
      -webkit-transform: translateY(0%);
  }
}
@-moz-keyframes moveFromBottom {
  from {
      -moz-transform: translateY(100%);
  }
  to {
      -moz-transform: translateY(0%);
  }
}
@-ms-keyframes moveFromBottom {
  from {
      -ms-transform: translateY(100%);
  }
  to {
      -ms-transform: translateY(0%);
  }
}
.characteristic{
  padding: 80px 0px;
}
.characteristic-bg{
  position: relative;
  text-align: center;
  margin-top: 30px;
}
.characteristic-con{
  position: absolute;
  display: flex;
  justify-content: space-between;
  text-align: right;
}
.characteristic-img{
  width: 68px;
  height: 68px;
  border-radius: 100%;
  box-shadow:0px 0px 20px 6px #e6f0fb;
  background: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
}
.characteristic-img img{
  height: 36px;
}
.characteristic-text{
  width: calc(100% - 90px);
}
.characteristic-text h4{
  font-size: 20px;
  color: #333;
  line-height: 40px;
}
.characteristic-text p{
  font-size: 14px;
  color: #666666;
  line-height: 24px;
}
.characteristic-con:nth-of-type(1){
  top: 70px;
  left: 0;
  width: 50%;
  flex-direction: row-reverse;
  padding-right: 170px;
}
.characteristic-con:nth-of-type(2){
  top: 68%;
  left: 0;
  width: 50%;
  flex-direction: row-reverse;
  padding-right: 180px;
}
.characteristic-con:nth-of-type(3){
  top: 70px;
  left: 50%;
  width: 50%;
  padding-left: 170px;
  text-align: left;
}
.characteristic-con:nth-of-type(4){
  top: 68%;
  left: 50%;
  width: 50%;
  padding-left: 180px;
  text-align: left;
}

.application{
  padding: 50px 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.appBox{
  display: flex;
  justify-content: flex-start;
}
.applicationL{
  width: 50%;
}
.application-tt{
  font-size: 40px;
  color: #ffffff;
}
.application-tt text{
  font-size: 24px;
}
.application ul{
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 60px;
}
.application ul li{
 text-align: center;
 width: 33.33%;
 padding: 0 15px;
}
.application-img{
  width: 91px;
  height: 91px;
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 100%;
  margin-bottom: 30px;
}
.application ul li h4{
  font-size: 16px;
  color: #ffffff;
  padding-bottom: 10px;
}
.application ul li  p{
 font-size: 16px;
 color: #ffffff;
 line-height: 30px;
 min-height: 60px;
}
.download{
  padding: 70px 0;
}
.download .application-tt{
 color: #333;
 text-align: center;
}
.download-box{
  padding-top: 50px;
  display: flex;
  justify-content: space-between;
}
.download-item{
  display: block;
  width: calc(50% - 40px);
  background: #ffffff;
  box-shadow:0px 0px 20px 6px #e6f0fb;
  padding: 40px;
  text-align: center;
}
.download-img {
  height: 103px;
  margin-bottom: 20px;
}
.download-img img{
  width: auto;
  height: 100%;
}
.download-item h4{
  font-size: 26px;
  color: #333333;
  line-height: 30px;
  padding-left: 20px;
  margin-bottom: 10px;
}
.download-item  h6{
  font-size: 16px;
  color: #999999;
  margin-bottom: 30px;
}
.download-item  p{
  font-size: 16px;
  line-height: 34px;
  color: #666666;
}
.foor{
  background: #3e3e3e;
  padding-top: 70px;
  padding-bottom: 40px;
}
.foor-box{
 display: flex;
 justify-content: space-between;
}
.foor-l h4{
  font-size: 18px;
  color: #ffffff;
  line-height: 30px;
}
.foor-l  p{
  font-size: 18px;
  color: #0375fc;
  line-height: 30px;
}
.foor-l p img{
  height: 20px;
  margin-top: 5px;
  margin-right: 5px;
}
.foor-r{
  color: #fff;
}
.foor-r h4{
 font-size: 20px;
 line-height: 30px;
}
.foor-xinxi{
  margin-top: 10px;
  background-position: left 5px;
  background-size: 24px;
  background-repeat: no-repeat;
  padding-left: 36px;
  display: flex;
  justify-content: flex-start;
  font-size: 16px;
  line-height: 30px;
}
.foor-xinxi span{
  display: block;
}
.nav-black{
  background: #ffffff;
}
.nav-black .logo_b,
.logo_l{
  display: none;
}
.nav-black .logo_l{
  display: block;
  transition: all .2s ease;
}
.nav-black ul li a{
  color: #333333;
}
.nav-black ul .line::after{
  background: rgb(51, 51, 51, .2);
}
.nav-black ul li a:hover, 
.nav-black ul .current a {
  color: #0171f6;
  border-bottom: 3px solid rgb(1, 113, 246);
}
.nav_media{
  display: none;
}
.application-text{
  margin-top: 30px;
  text-align: center;
}
.application-text p{
  font-size: 16px;
  color: #fff;
  line-height: 30px;
}
@media (max-width: 1440px){
  .w1380{
    max-width: 1200px;
  }
  .nav,
  .nav-box{
    height: 70px;
  }
  .nav-box ul li a{
    font-size: 14px;
    padding-top: 14px;
  }
  .bg{
    padding-top: 70px;
  }
  .nav-box .logo img {
    height: 45px;
  }
  .ca-sub{
   font-size: 12px;
  }
  .ca-menu li:hover .ca-content p{
    font-size: 14px;
  }
  .carousel-box h2{
    font-size: 36px;
  }
  .carousel-box h5{
    font-size: 16px;
  }
  .carousel-box p{
    font-size: 16px;
  }
  .qixiangtong h4 {
    font-size: 32px;
    padding-bottom: 15px;
  }
  .qixiangtong-tt{
    font-size: 32px;
  }
  .qixiangtong p{
    font-size: 15px;
  }
  .product{
    padding: 50px 0;
  }
  .ca-main {
    font-size: 22px;
  }
  .application-tt {
    font-size: 32px;
  }
  .application ul li{
    padding: 0 10px;
  }
  .application ul li h4{
    font-size: 14px;
  }
  .application ul li p {
    font-size: 13px
  }
  .download-item h4{
    font-size: 24px;
  }
  .download-item p,
  .application-text p,
  .download-item h6 {
    font-size: 14px;
  }
  .foor-l h4 {
    font-size: 16px;
  }
  .foor-l p {
    font-size: 16px;
  }
  .foor-xinxi{
    font-size: 14px;
  }
  .foor-r h4 {
    font-size: 18px;
  }
}
@media (max-width: 1280px){
  .w1380{
    max-width: 1024px;
  }
  .characteristic,
  .download,
  .product{
    padding: 50px 0;
  }
  .characteristic-bg{
    margin-top: 0px;
  }
  .application-img{
    width: 60px;
    height: 60px;
  }
.download-img img{
  height: 60px;
}
.erweima img {
  height: 150px;
}
.download-item h4 {
  font-size: 24px;
}
.ca-main {
  font-size: 20px;
}
.ca-sub{
  line-height: 30px;
  height: 60px;
}
.download-img{
  height: 60px;
}
.characteristic-bg{
  margin-bottom: 30px;
}
.bg-img{
  width: 340px;
  height: 340px;
}
.characteristic-con:nth-of-type(1) {
  top: 15px;
  padding-right: 98px;
}
.characteristic-con:nth-of-type(2) {
  top: 70%;
  padding-right: 108px;
}
.characteristic-con:nth-of-type(3) {
  top: 16px;
  left: 50%;
  width: 50%;
  padding-left: 96px;
}
.characteristic-con:nth-of-type(4) {
  top: 70%;
  padding-left: 108px;
}
.characteristic-text h4{
  font-size: 18px;
}
.characteristic-text p{
  font-size: 12px;
}
}
@media (max-width: 1100px){
  .w1380{
    max-width: 100%;
  }
  .nav-box{
    background: #ffffff !important;
  }
  .logo_b{
    display: none !important;
   }
   .logo_l{
    display: block !important;
   }
  .nav{
    padding: 0 15px;
  }
  .nav-box ul{
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    width: 100%;
    background: #ffffff;
    padding: 30px 0;
  }
  .nav-box ul li a:hover, .nav-box ul .current a {
    color: #0171f6 !important;
    border-bottom: 3px solid rgb(1, 113, 246) !important;
}
.nav-box ul li a{
  color: #333333 !important;
}
.nav-box ul li{
  text-align: center;
  margin-right: 0;
  line-height: 50px;
}
.nav-box ul .line{
  margin-left: 0px;
}
.nav-box ul .line::after{
  display: none;
}
  .nav_media {
    display: block;
  }
  .nav_media_box {
    display: flex;
    justify-content: flex-start;
    align-items: center;
  }

  .nav_media_box a {
    font-size: 20px;
    color: #333333;
  }
 
  .navBtn {
    margin-left: 30px;
    float: right;
    width: 28px;
    height: 27px;
    position: relative;
    cursor: pointer;
    z-index: 1000;
  }

  .navBtn span {
    display: block;
    height: 3px;
    background: #1b5ce3;
    top: 0px;
    position: absolute;
    width: 100%;
    -webkit-transition: all .3s ease;
    -o-transition: all .3s ease;
    transition: all .3s ease;
  }
  .navBtn span:nth-child(2) {
    top: 11px;
  }

  .navBtn span:nth-child(3) {
    top: 22px;
  }

  .closeNavbtn span:nth-child(1) {
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 10px;
  }

  .closeNavbtn span:nth-child(2) {
    display: none;
  }

  .closeNavbtn span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    top: 10px;
  }
  .carousel-box{
    padding: 80px 15px;
  }
  .qixiangtong .w1380{
    padding: 0 15px;
  }
  .characteristic, .download, .product {
    padding: 50px 15px;
}
.foor-box{
  padding: 0 15px;
}
.characteristic-con,
.characteristic{
  position: static;
}
.characteristic-con{
  width: 100% !important;
  flex-direction: row !important;
  padding-right: 0 !important;
  padding-left: 0 !important;
  margin-top: 25px;
  text-align: left !important;
}
.carousel-img img{
   height: 100px;
}
.carousel-box p{
  letter-spacing: 2px;
}
.carousel-but a,
.carousel-but button {
  font-size: 16px;
  width: 180px;
  line-height: 40px;
}
.carousel-but {
  margin-top: 40px;
}
.applicationBox,
.appBox{
  display: block;
  padding: 0 15px;
}
.application ul{
  margin-top: 30px;
}
.applicationL{
  width: 100%;
  margin-bottom: 20px;
}
.applicationL:last-child{
  margin-bottom: 0;
}
.carousel-box h2{
  font-size: 28px;
  letter-spacing: 5px;
}
.carousel-box p {
  font-size: 14px;
  letter-spacing: 0px
}
.carousel-box h6 {
  font-size: 14px;
  line-height: 26px;
}
.ca-menu li a{
  padding: 0 10px;
  padding-bottom: 40px;
}
.ca-main{
  font-size: 17px;
}
.ca-sub{
  line-height: 24px;
  height: 48px;
}
.ca-menu li:hover .ca-content p{
  font-size: 12px;
  line-height: 24px;
}
}
@media (max-width: 960px){
  .qixiangtong h4, .application-tt, .qixiangtong-tt {
    font-size: 24px;
}
.qixiangtong h4 {
  padding-bottom: 15px;
}
.qixiangtong p {
  font-size: 14px;
  line-height: 24px;
}
.ca-menu li{
  width: 50%;
}
.download-box{
  display: block;
}
.download-item{
  width: 100%;
  margin-bottom: 20px;
}
.foor {
 padding: 40px 0;
}
.foor-box{
  display: block;
}
.foor-r{
  padding-top: 20px;
}
.qixiangtong-img,
.qixiangtong{
  height: auto;
}
.qixiangtong-img img{
  width: 100%;
  height: auto;
}
.carousel-box h2{
  font-size: 24px;
}
.carousel-box h5{
  font-size: 14px;
}
.ca-menu{
  flex-wrap: wrap;
}
}
@media (max-width: 640px){
  .ca-menu li{
    width: 100%;
  }
  .ca-menu li:hover .ca-icon_b,
  .ca-icon{
    height: 150px;
  }
  .ca-menu li:hover .ca-content p{
    margin-top: 15px;
  }
  .carousel-box h2{
    font-size: 20px;
    letter-spacing: 0;
  }
  .application ul li{
    width: 100%;
  }
  .carousel-box p,
  .carousel-box h6,
  .carousel-box h5{
    font-size: 12px;
    line-height: 24px;
  }
  .nav-box,
  .nav{
    height: 60px;
  }
  .nav-box .logo img {
    height: 40px;
  }
  .bg{
    padding-top: 60px;
  }
  .nav-box ul{
    top: 60px;
    padding-top: 10px;
  }
  .carousel-box {
    padding: 60px 15px;
}
.carousel-img img {
  height: 80px;
}
.carousel-box p {
  font-size: 14px;
  letter-spacing: 0px;
}
.carousel-box p::before {
  left: -60px;
  width: 50px;
}
.carousel-box p::after {
  right: -60px;
  width: 50px;
}
.carousel-but a, .carousel-but button {
  font-size: 14px;
  width: 140px;
  line-height: 30px;
}
.qixiangtong {
  padding-top: 40px;
}
.qixiangtong p {
  font-size: 12px;
  line-height: 24px;
}
.qixiangtong h4, .application-tt, .qixiangtong-tt {
  font-size: 20px;
}
.application ul li h4, .ca-main {
  font-size: 16px;
}
.ca-sub{
  line-height: 20px;
  min-height: 40px;
  bottom: 34px;
}
.characteristic, .download, .product {
  padding: 40px 15px;
}
.characteristic-text h4 {
  font-size: 17px;
  line-height: 30px;
}
.characteristic-text p {
  font-size: 12px;
}
.application ul li {
  padding-bottom: 15px;
}
.application ul li p {
  font-size: 12px;
}
.download-item{
  padding: 15px;
  padding-top: 30px;
}
.erweima img {
  height: 120px;
}
.download-item h4 {
  font-size: 20px;
}
.download-img img {
  height: 50px;
}
.foor-r h4, 
.foor-l h4 {
  font-size: 16px;
}
.foor-l p {
  font-size: 16px;
  line-height: 24px;
}
.foor-l p img{
  height: 18px;
  margin-top: 3px;
  margin-right: 5px;
}
.foor-r {
  padding-top: 15px;
}

.foor-xinxi {
  background-size: 20px;
  padding-left: 30px;
  font-size: 15px;
  line-height: 26px;
  background-position: left 3px;
}
.ca-img {
  width: 40px;
}
.ca-menu li:hover p {
  font-size: 14px;
  line-height: 24px;
}
.ca-label{
  font-size: 12px;
}
}