.center {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}
.content {
  width: 100%;
  background-color: #2520F0;
  font-family: Microsoft YaHei;
}
.content a {
  text-decoration: none;
  font-size: 22px;
  color: white;
}
.nav {
  position: relative;
  width: 1200px;
  height: 77px;
  margin: 0 auto;
  z-index: 9;
  margin-bottom: -85px;
  border-bottom: 4px solid #6763F5;
}
.nav .nav-content {
  display: flex;
  width: 100%;
  margin: 0 auto;
}
.nav .nav-content div {
  margin: 24px 116px 14px 57px;
}
.nav .nav-content ul {
  display: flex;
  width: 655px;
  height: 21px;
  margin: 30px 0 26px 0;
  color: #F1F1FE;
}
.nav .nav-content ul li {
  position: relative;
  color: #F1F1FE;
  margin-left: 30px;
  font-size: 22px;
  padding-bottom: 48px;
  transition: all 1s;
}
.nav .nav-content ul li :hover {
  color: #E6E6FA;
}
.nav .nav-content ul li :before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: #FFFFFF;
  transition: all 0.5s;
}
.nav .nav-content ul li :hover:before {
  width: 100%;
  left: 0;
  right: 0;
}
.nav .nav-content ul .selected {
  border-bottom: 2px solid #FFF;
}
.nav .nav-content form {
  margin: 29px 0 24px 20px;
}
.nav .nav-content form img {
  float: left;
}
.nav .nav-content form input {
  height: 20px;
  background-color: #2520F0;
  border: none;
}
.banner {
  width: 1200px;
  height: 60px;
  background-color: #FFF;
  margin: 52px auto;
  padding: 54px 0 57px;
  border-bottom: 1px solid #CCCCCC;
}
.banner ul {
  display: flex;
}
.banner ul li {
  flex: 1;
  width: 230px;
  background-color: #FFF;
  margin-top: 1px;
  transition-property: margin-top;
  transition-duration: 0.1s;
}
.banner ul li a {
  display: flex;
  text-decoration: none;
  color: #A0A0A0;
  font-size: 16px;
}
.banner ul li a img {
  display: inline-block;
  width: 60px;
  height: 60px;
}
.banner ul li a div {
  margin-top: 5px;
}
.banner ul li a p {
  margin-bottom: 10px;
}
.banner ul li a p #head {
  color: #2520F0;
  font-size: 20px;
  font-weight: 700;
}
.banner ul li:hover {
  margin-top: 7px;
}
.enabling {
  width: 100%;
}
.enabling .math {
  background: url('image/Enablingdigitalservices.png') no-repeat center;
}
.enabling .title {
  width: 1200px;
  height: 85px;
  margin: 0 auto 52px;
  padding: 40px 286px 11px;
  box-sizing: border-box;
  font-size: 34px;
  font-weight: 700;
  color: #2520F0;
}
.enabling .title h4 {
  text-align: center;
}
.enabling .product-item {
  background: url('image/goodsbg.jpg') no-repeat center;
}
.enabling .product-item ul {
  width: 1200px;
  margin: 0 auto;
}
.enabling .product-item ul .scroll-img-odd {
  animation: exactImgO 2s 1;
  -webkit-animation: exactImgO 2s 1;
}
.enabling .product-item ul .scroll-img-even {
  animation: exactImgE 2s 1;
  -webkit-animation: exactImgE 2s 1;
}
.enabling .product-item ul :nth-child(odd) img {
  position: relative;
  margin-right: 195px;
}
.enabling .product-item ul :nth-child(even) img {
  position: relative;
  margin-left: 195px;
}
@keyframes exactImgO {
  from {
    right: 300px;
    opacity: 0;
  }
  to {
    right: 0px;
    opacity: 1;
  }
}
@keyframes exactImgE {
  from {
    left: 300px;
    opacity: 0;
  }
  to {
    left: 0px;
    opacity: 1;
  }
}
.enabling .product-item ul li {
  display: flex;
  margin-bottom: 156px;
}
.enabling .product-item ul li .scroll-art-odd {
  animation: exactDivO 2s 1;
  -webkit-animation: exactDivO 2s 1;
}
.enabling .product-item ul li .scroll-art-even {
  animation: exactDivE 2s 1;
  -webkit-animation: exactDivE 2s 1;
}
.enabling .product-item ul li .art {
  position: relative;
  font-size: 24px;
}
.enabling .product-item ul li .art h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 27px;
}
.enabling .product-item ul li .art h4::after {
  content: '';
  position: absolute;
  top: 92px;
  left: 0px;
  width: 60px;
  height: 4px;
  background: #2520F0;
}
.enabling .product-item ul li .art p {
  width: 480px;
  color: #666666;
  margin: 51px 0 46px;
  flex-wrap: wrap;
  line-height: 50px;
}
.enabling .product-item ul li .art button {
  width: 150px;
  height: 50px;
  border: none;
  border-radius: 20px;
  font-size: 24px;
  color: white;
  background-color: #2520F0;
  -webkit-transition-duration: 0.4s;
  /* Safari */
  transition-duration: 0.4s;
  cursor: pointer;
}
.enabling .product-item ul li .art button:hover {
  background-color: #000066;
}
@keyframes exactDivO {
  from {
    left: 300px;
    opacity: 0;
  }
  to {
    left: 0px;
    opacity: 1;
  }
}
@keyframes exactDivE {
  from {
    right: 300px;
    opacity: 0;
  }
  to {
    right: 0px;
    opacity: 1;
  }
}
.product {
  background-color: #FFF;
}
.product .brainAI {
  background: url('image/AIintelligentbrain.png') no-repeat center;
}
.product .serve {
  background: url('image/ServicesConcept.png') no-repeat center;
}
.product .case {
  background: url('image/Cooperationcases.png') no-repeat center;
}
.product .step {
  background: url('image/Cooperationprocess.png') no-repeat center;
}
.product .cul {
  background: url('image/corporateculture.png') no-repeat center;
}
.product .title {
  position: relative;
  top: 110px;
  width: 450px;
  height: 42px;
  margin: 0 auto 52px;
  padding: 40px 286px 11px;
  box-sizing: border-box;
  font-size: 34px;
  font-weight: 700;
  color: #2520F0;
}
.product .title h4 {
  text-align: center;
}
.product .more {
  width: 1200px;
  background-color: #FFF;
  margin: 0 auto;
}
.product .more .AI-item {
  margin-bottom: 120px;
  opacity: 0;
  transition: all 1.5s;
  transform: rotateY(-180deg);
}
.product .more .AI-item img:nth-of-type(2) {
  margin-left: 371px;
}
.product .more .case-main {
  position: relative;
  margin-bottom: 120px;
}
.product .more .case-main .case-tips {
  position: absolute;
  left: 20px;
  overflow: hidden;
  width: 554px;
  border-radius: 2px;
  height: 618px;
}
.product .more .case-main .case-tips ul {
  width: 500%;
  overflow: hidden;
  height: 618px;
}
.product .more .case-main .case-tips ul li {
  float: left;
  width: 554px;
}
.product .more .case-main .case-tips ul li h2 {
  position: relative;
  font-size: 24px;
  margin: 50px 0 54px 73px;
}
.product .more .case-main .case-tips ul li h2::after {
  content: '';
  position: absolute;
  top: 39px;
  left: 0px;
  width: 44px;
  height: 4px;
  background: #000000;
}
.product .more .case-main .case-tips ul li p {
  width: 346px;
  font-size: 20px;
  color: #000;
  line-height: 33px;
  margin-left: 73px;
}
.product .more .case-main .case-tips ul li a {
  position: absolute;
  border: 1px solid #D8D8D8;
  padding: 8px 18px;
  border-radius: 16px;
  font-weight: 400;
  text-decoration: none;
  color: #999999;
  line-height: 24px;
  font-size: 16px;
  top: 450px;
  right: 50px;
}
.product .more .case-main .case-tips ul li a:hover {
  color: #FFF;
  background-color: #2520F0;
}
.product .more .case-main .case-tips ol {
  position: absolute;
  bottom: 90px;
  left: 75px;
}
.product .more .case-main .case-tips ol li {
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: #999999;
  border-radius: 50%;
  transition: all 0.3s;
}
.product .more .case-main .case-tips ol .current {
  background-color: #2520F0;
}
.product .more .case-main .case-tips::before {
  content: '';
  position: absolute;
  background-color: #999999;
  height: 551px;
  width: 48px;
  top: 31px;
  opacity: 0.5;
  left: 5px;
}
.product .more .case-item {
  position: relative;
  left: 600px;
  overflow: hidden;
  width: 554px;
  border-radius: 2px;
}
.product .more .case-item ul {
  width: 500%;
  overflow: hidden;
}
.product .more .case-item ul li {
  float: left;
  width: 554px;
}
.product .more .case-item ul li img {
  width: 100%;
}
.product .more .case-item ol {
  position: absolute;
  bottom: 20px;
  right: 40px;
}
.product .more .case-item ol li {
  display: inline-block;
  width: 20px;
  height: 20px;
  background-color: hotpink;
  border-radius: 2px;
  transition: all 0.3s;
}
.product .more .case-item ol .current {
  width: 40px;
}
.product .more .case-main::after {
  content: '';
  position: absolute;
  background-color: #999999;
  height: 551px;
  width: 48px;
  top: 31px;
  opacity: 0.5;
  right: -3px;
}
.product .more .step-item ul {
  display: flex;
  text-align: center;
  margin-bottom: 88px;
}
.product .more .step-item ul li {
  position: relative;
  top: 50px;
  flex: 1;
  width: 106px;
  height: 106px;
  font-size: 26px;
  opacity: 0;
  transition: all 0.3s;
  vertical-align: middle;
}
.product .more .step-item ul li img {
  width: 67px;
  height: 51px;
  margin-bottom: 26px;
}
.product .more .step-item ul :nth-child(even) img {
  width: 74px;
  height: 28px;
  margin-top: 15px;
}
.product .more .step-item .second {
  width: 780px;
  margin-left: 217px;
}
.product .more .step-item .second li:nth-of-type(even) {
  transform: rotate(180deg);
}
.product .culture {
  perspective: 500;
  -webkit-perspective: 500;
  /* Safari 和 Chrome */
}
.product .culture .culture-item {
  position: relative;
  top: -100px;
  width: 1145px;
  height: 840px;
  margin: 0 auto;
  opacity: 0;
  transition: all 2s;
  transform: rotateX(-45deg);
  font-size: 26px;
  color: #666666;
  background: url('image/culbg.png') no-repeat center;
}
.product .culture .culture-item p {
  position: absolute;
  bottom: 230px;
  right: 138px;
}
.product .culture .culture-item p span {
  padding: 10px;
}
.product .culture .culture-item p:nth-of-type(1) {
  display: flex;
  flex-direction: column;
  top: 230px;
  left: 138px;
}
.product .culture .culture-item p:nth-of-type(1) span:nth-of-type(1) {
  font-size: 30px;
}
.partner {
  width: 100%;
  min-width: 1200px;
  height: 1820px;
  background: url('image/partnerbg.png') no-repeat;
  background-size: 100% 1820px;
}
.partner .title {
  width: 962px;
  height: 85px;
  margin: 0 auto 52px;
  padding: 40px 286px 11px;
  box-sizing: border-box;
  background: url('image/cooperativepartner.png') no-repeat center;
  font-size: 34px;
  font-weight: 700;
  color: #FFF;
}
.partner .title h4 {
  text-align: center;
}
.partner p {
  width: 1054px;
  height: 74px;
  margin: 0 auto;
  font-size: 24px;
  font-weight: 300;
  color: #FFFFFF;
  line-height: 50px;
}
.partner ul {
  display: flex;
  flex-wrap: wrap;
  width: 1200px;
  margin: 0 auto;
}
.partner ul li {
  position: relative;
  top: 300px;
  opacity: 0;
  width: 200px;
  margin: 39px 19px;
}
.bottom {
  width: 100%;
  background-color: #002BC1;
  padding: 62px 0 28px;
  color: #FFFFFF;
}
.bottom h1 {
  width: 419px;
  margin: 0 auto;
  font-size: 60px;
  font-weight: bold;
  line-height: 46px;
}
.bottom div {
  display: flex;
  justify-content: space-between;
  width: 901px;
  margin: 0 auto;
}
.bottom div button {
  width: 340px;
  height: 71px;
  margin: 78px 0 76px;
  font-size: 32px;
  color: #FFFFFF;
  background: #002BC1;
  border: 1px solid #FFFFFF;
  border-radius: 35px;
  -webkit-transition-duration: 0.4s;
  /* Safari */
  transition-duration: 0.4s;
  cursor: pointer;
}
.bottom div button:hover {
  background-color: #000066;
}
.bottom p {
  width: 1200px;
  text-align: center;
  margin: 35px auto;
}
.bottom p:nth-of-type(1) {
  margin: 0 auto;
  padding: 50px;
  font-size: 20px;
  border-bottom: 4px solid #CFD5E3;
}
