.product-itroduction {
  padding-top: 50px;
}
.product-itroduction .product-introduce-content {
  padding: 80px 0px;
  height: 67px;
  font-weight: 400;
  font-size: 16px;
  color: #30374a;
  line-height: 32px;
  text-align: left;
  text-indent: 2em;
}
.product-itroduction .product-features {
  margin: 0 auto;
  width: 90.8%;
  height: 544px;
  padding: 66px 0px 64px 0px;
  background: linear-gradient(135deg, #ffffff 0%, #ffffff 57%, #f4f9ff 100%);
  border: 2px solid #efeff1;
}
.product-itroduction .product-features .home-title {
  margin-left: 272px;
  margin-bottom: 20px;
  text-align: left;
}
.product-itroduction .intell-cloud-platform {
  position: relative;
  z-index: 0;
  margin-left: 272px;
}
.product-itroduction .intell-cloud-platform .data-processing-center {
  width: 600px;
  font-weight: 400;
  font-size: 16px;
  color: #555555;
  line-height: 26px;
  text-align: left;
  letter-spacing: 0.2px;
  margin-top: 30px;
}
.product-itroduction .intell-cloud-platform .product-features-title {
  font-weight: bold;
  font-size: 24px;
  color: #30374a;
  margin: 50px 0px 30px 0px;
}
.product-itroduction .intell-cloud-platform .education-basic-data ul li {
  display: flex;
  align-items: center;
  color: #30374a;
  margin-bottom: 20px;
}
.product-itroduction .intell-cloud-platform .education-basic-data ul li img {
  margin-right: 8px;
}
.product-itroduction .intell-cloud-platform .education-basic-data ul li:last-child {
  margin: 0px;
}
.product-itroduction .intell-cloud-platform .education-basic-data ul:nth-child(1) {
  margin-right: 80px;
}
.product-itroduction .intell-cloud-platform .product-introduction-cloud-img {
  position: absolute;
  top: 0;
  right: 6.2%;
  z-index: -1;
}
.product-architecture {
  background-color: #f4f9ff;
}
.product-architecture .home-title {
  padding: 120px 0px 88px 0px;
  background-color: white;
}
.product-architecture .product-architecture-lists {
  width: 100%;
  justify-content: center;
}
.product-architecture .product-architecture-lists .teacher-management {
  position: relative;
}
.product-architecture .product-architecture-lists .teacher-management li div:nth-child(1) {
  width: 246px;
  height: 48px;
  line-height: 48px;
  background-image: url(../images/products/statistical-analysis-right.png);
  background-position: center;
  background-size: cover;
  font-weight: bold;
  font-size: 24px;
  color: #2e7aff;
  text-align: right;
}
.product-architecture .product-architecture-lists .teacher-management li div:nth-child(1) span {
  margin-right: 38px;
}
.product-architecture .product-architecture-lists .teacher-management li:nth-child(1) {
  position: absolute;
  top: 311px;
  left: -192px;
}
.product-architecture .product-architecture-lists .teacher-management li:nth-child(2) {
  position: absolute;
  top: 505px;
  left: -272px;
}
.product-architecture .product-architecture-lists .teacher-management li:nth-child(3) {
  position: absolute;
  top: 695px;
  left: -192px;
}
.product-architecture .product-architecture-lists .teacher-management li:nth-child(4) {
  position: absolute;
  top: 883px;
  left: 153px;
}
.product-architecture .product-architecture-lists .online-teaching {
  position: relative;
}
.product-architecture .product-architecture-lists .online-teaching li div:nth-child(1) {
  width: 246px;
  height: 48px;
  line-height: 48px;
  background-image: url(../images/products/statistical-analysis-left.png);
  background-position: center;
  background-size: cover;
  font-weight: bold;
  font-size: 24px;
  color: #2e7aff;
  text-align: left;
}
.product-architecture .product-architecture-lists .online-teaching li div:nth-child(1) span {
  margin-left: 38px;
}
.product-architecture .product-architecture-lists .online-teaching li .architecture-list1,
.product-architecture .product-architecture-lists .online-teaching li .architecture-list2,
.product-architecture .product-architecture-lists .online-teaching li .architecture-list3 {
  text-align: left;
}
.product-architecture .product-architecture-lists .online-teaching li:nth-child(1) {
  position: absolute;
  top: 100px;
  left: -445px;
}
.product-architecture .product-architecture-lists .online-teaching li:nth-child(2) {
  position: absolute;
  top: 311px;
  left: -50px;
}
.product-architecture .product-architecture-lists .online-teaching li:nth-child(3) {
  position: absolute;
  top: 501px;
  left: 20px;
}
.product-architecture .product-architecture-lists .online-teaching li:nth-child(4) {
  position: absolute;
  top: 691px;
  left: -50px;
}
.product-architecture .product-architecture-lists .architecture-list1,
.product-architecture .product-architecture-lists .architecture-list2,
.product-architecture .product-architecture-lists .architecture-list3 {
  width: 233px;
  height: 44px;
  font-weight: 400;
  font-size: 16px;
  color: #30374a;
  line-height: 22px;
  text-align: right;
  margin-top: 17px;
}
.product-architecture .product-architecture-lists .architecture-list2 {
  width: 244px;
}
.product-architecture .product-architecture-lists .architecture-list3 {
  width: 277px;
}
.product-architecture .product-architecture-lists .product-architecture-img {
  display: block;
  margin: 229px 0px;
}
.product-advantage {
  padding: 120px 0px;
}
.product-advantage .resource-integration {
  margin-top: 88px;
  flex-wrap: wrap;
}
.product-advantage .resource-integration li {
  width: 340px;
  height: 170px;
  padding: 40px 30px;
  background-image: url(../images/products/accurate-dock-active.png);
  background-position: center;
  background-size: cover;
}
.product-advantage .resource-integration li:nth-child(2n + 1) {
  background-image: url(../images/products/accurate-dock.png);
}
.product-advantage .resource-integration li div {
  font-weight: bold;
  font-size: 24px;
  color: #30374a;
  line-height: 33px;
}
.product-advantage .resource-integration li p {
  width: 340px;
  font-weight: 400;
  font-size: 14px;
  color: #555555;
  line-height: 26px;
  margin-top: 30px;
  letter-spacing: 0.6px;
}