/* banner */
.banner-introduce {
  width: 100%;
  height: 480px;
  position: relative;
  /* background-image: url(../images/product-banner.png); */
  background: rgba(16, 27, 67, 1);
}

.banner-introduce-img {
  width: 100%;
  height: 480px;
  position: absolute;
  left: 0;
  object-fit: cover;
}

.banner-box-text {
  width: 1200px;
  height: 400px;
}

.banner-title {
  width: auto;
  height: auto;
  font-size: 40px;
  font-family: PingFang SC;
  font-weight: 500;
  color: rgba(255, 255, 255, 1);
  margin-top: 170px;
  text-align: left;
}

.banner-text {
  width: 627px;
  height: auto;
  margin-top: 37px;
  font-size: 16px;
  font-size: 16px;
  font-family: PingFang SC;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  line-height: 32px;
  text-align: left;
  -webkit-line-clamp: 2;
  word-break: break-all;
  -webkit-box-orient: vertical;
  display: -webkit-box;
}

.banner-btn-box {
  display: flex;
  text-align: center;
  margin-top: 62px;
  width: 350px;
}

.banner-btn {
  display: inline-block;
  width: 110px;
  height: 40px;
  line-height: 40px;
  margin-right: 10px;
  color: white;
  font-size: 14px;
  border-radius: 4px;
  font-family: PingFang SC;
}

.banner-btn:hover {
  cursor: pointer;
}

.banner-btn-experience {
  background-image: linear-gradient(to right, #006DDB, #00D8F1);
}

.banner-btn-refer {
  border: 1px solid white;
}

.banner-introduce .bannerBg {
  width: 100%;
  height: 480px;
  position: absolute;
  left: 0;
  top: 0;
  object-fit: cover;
}

/* content */
.content {
  width: 100%;
  font-size: 16px;
  color: #333333;
}

/* 导航栏 */
.content-nav-head {
  width: 100%;
  background: white;
  position: sticky;
  top: 0;
  z-index: 1;
}

.content-nav {
  display: flex;
  align-items: center;
  width: 1200px;
  margin: 0 auto;
}

/* 
  引入的公共组件中html的overflow-x:hidded;影响了position:sticky吸顶
*/
html {
  overflow-x: unset;
}

.content-nav div {
  margin-right: 28px;
  height: 60px;
  line-height: 60px;
}

.content-nav div:hover {
  border-bottom: 3px solid #2486EF;
  cursor: pointer;
}

.bottom-block {
  border-bottom: 3px solid #2486EF;
}

/* 概述 */
.introduce {
  padding-top: 110px;
  text-align: center;
  /* margin-bottom: 90px; */
}

.introduce-title {
  font-size: 32px;
  font-weight: bold;
}

.introduce-content {
  margin-top: 32px;
  margin-bottom: 60px;
  line-height: 24px;
}

.introduce-video {
  position: relative;
}

.introduce-video-head {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 47px;
  cursor: pointer;
}

.introduce-video-head-img {
  width: 23px;
  height: 23px;
  margin-right: 3px;
}

.introduce-video-head-title {
  font-size: 20px;
}

.introduce-video-content {
  /* height: 680px; */
  margin-bottom: 60px;
}

.display-none {
  display: none !important;
}

.complete-video {
  /* position: absolute;  
  top: 77px;
  left: 50%;
  transform: translate(-50%);
  overflow: hidden; */
  z-index: 2;
}

.close-video {
  position: fixed;
  top: 10%;
  right: 15%;
  opacity: 0.5;
  z-index: 4;
}

.close-video:hover {
  opacity: 1;
  z-index: 4;
}

.back {
  z-index: 1;
  width: 100%;
  height: 100%;
  background-color: grey;
  opacity: 0.5;
  position: fixed;
  top: 0;
  left: 0;
}

.video-auto {
  width: 54%;
}

.video-complete {
  width: 70%;
  z-index: 3;
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.item-div {
  display: flex;
  justify-content: center;
}

.item-img {
  width: 1920px;
}

#feature {
  padding-top: 70px;
}

.feature-div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.feature-img {
  /* width: 60%; */
  width: 1200px;
  margin-bottom: 80px;
}

/* 平台化建设 */
.build {
  background-image: url('../images/build-background.png');
  width: 100%;
  height: 642px;
  padding-top: 67px;
  text-align: center;
}

.build-title {
  font-size: 32px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  margin-bottom: 39px;
}

.build-img img {
  margin-right: 30px;
  width: 203px;
  height: 139px;
}

.build-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin: 0 auto;
  width: 1220px;
}

.build-content-item {
  width: 356px;
  /* margin-right: 62px; */
}

.build-content-item-title {
  margin: 22px 0 18px 0;
  font-size: 24px;
  font-weight: 600;
  text-align: center;
}

.build-content-item-des {
  font-size: 14px;
  font-weight: 400;
  text-align: left;
  line-height: 24px;
}

.build-content-item-des span {
  font-weight: 600;
}

.right-arrows {
  width: 144px!important;
  height: 30px!important;
}

/* 中台架构 */
.frame {
  background-image: url('../images/frame-background.png');
  width: 1920px;
  height: 680px;
  text-align: center;
  padding-top: 80px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.frame img {
  width: 1200px;
  height: 432px;
}

/* 核心优势 */
.advantage {
  width: 1920px;
  height: 500px;
  text-align: center;
  padding-top: 80px;
  background-image: url('../images/advantage-background.png');
  position: relative;
  left: 50%;
  transform: translate(-50%);
}

.advantage-content {
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  width: 1092px;
}

.advantage-item {
  background-color:#2A3956;
  width: 208px;
  height: 208px;
  color: white;
}

.advantage-item:hover {
  background-color: #458FEC;
}

.advantage-item-img {
  margin: 42px 0 23px 0;
}

.advantage-item-title {
  margin-bottom: 7px;
  font-size: 21px;
}

.advantage-item-des {
  font-size: 14px;
}

/* 八大特性 */
.feature {
  
}

.feature-head-title {
  margin-bottom: 80px;
}

.feature-circle {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 456px;
  margin-bottom: 136px;
}

.feature-circle:nth-child(2) img {
  width: 822px;
  height: 456px;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-circle-left {
  text-align: left;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  height: 456px;
}

.feature-circle-right {
  text-align: right;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  height: 456px;

  position: relative;
  left: -15px;


}

.feature-openplatform {
  display: flex;
  margin: 0 auto;
  width: 1105px;
  justify-content: space-between;
  margin-bottom: 80px;
}

.feature-openplatform img {
  width: 640px;
  height: 396px;
}

.feature-openplatform-left {
  text-align: left;
  width: 410px;
  line-height: 24px;
}

.feature-openplatform-left p {
  font-weight: 600;
  font-size: 24px;
  margin-bottom: 34px;
}

.feature-openplatform-left span {
  font-weight: 600;
}

/* 研究机构评价 */
.evaluate {
  background-image: url('../images/evaluate-background.png');
  width: 1920px;
  height: 738px;
  text-align: center;
  padding-top: 76px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.evaluate-title {
  font-weight: 600;
  font-size: 32px;
  margin-bottom: 60px;
}

.evaluate-content {
  display: flex;
  margin: 0 auto;
  justify-content: space-between;
  text-align: left;
  width: 1052px;
}

.evaluate-content p {
  font-size: 24px;
  margin: 49px 0 5px 0;
  font-weight: 600;
}

.evaluate-content-item img {
  width: 455px;
  height: 350px;
}

/* 客户实践 */
.practice {
  /* height: 480px; */
  margin-bottom: 43px;
  padding-top: 95px;
}

.practice-title {
  font-size: 32px;
  font-weight: 600;
}

.practice-banner {
  margin: 65px 0 43px 0;
  width: 1206px;
  height: 119px;
}

.practice-content {
  width: 1206px;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  color: white;
}

.practice-item {
  padding-top: 56px;
  padding-left: 33px;
  /* background-image: url('../images/practice1.png'); */
  width: 377px;
  height: 373px;
  text-align: left;
  background-size: 100% 100%;
}

.practice-item-title {
  margin-bottom: 17px;
  font-size: 36px;
  font-weight: 600;
}

.practice-item-content {
  font-size: 14px;
  font-weight: 400;
  padding-left: 20px;
}