.docs-title {
  margin-top: 50px;
  padding-bottom: 20px;
  border-bottom: 1px solid gray;
}
.aui-docs-section {
  margin-top: 50px;
  display: inline-block;
  vertical-align: top;
  padding-right: 30px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin-bottom: 50px;
}
.aui-docs-content h2 {
  font-size: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e2eaec;
  padding-left: 4px;
  margin-bottom: 30px;
  font-weight: bold;
}
.aui-docs-section h4 {
  font-size: 16px;
  padding-left: 10px;
  border-left: 2px solid #21d376;
  line-height: 1;
  margin-bottom: 15px;
}
.aui-docs-section ul li {
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  margin-bottom: 8px;
  line-height: 1.5em;
  padding-left: 12px;
  position: relative;
}
.aui-docs-section ul li a {
  color: #428bca;
  font-size: 16px;
}
.aui-docs-section ul li:before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  height: 4px;
  width: 4px;
  border-radius: 100%;
  background-color: #d0d3dc;
}

/*了解app开发*/
.platform-a-title h1 {
  font-size: 30px;
  text-align: center;
  font-weight: bold;
  margin-top: 40px;
}
.platform-related-title {
  padding: 30px 0 10px;
  text-align: center;
}
.platform-related-title h2 {
  font-size: 30px;
  color: #3f3f3f;
  font-weight: 400;
}
.platform-related-title h2 span {
  color: #ff7852;
}
.platform-related-title p {
  color: #888888;
  font-size: 14px;
  margin-top: 8px;
}

.platform-item-pro1 .sys-left {
  width: 60%;
  padding: 60px 0 0 0;
  margin-top: 50px;
  float: left;
}
.platform-item-pro1 .sys-left h3 {
  font-size: 30px;
  font-weight: 400;
}
.platform-item-pro1 .sys-left h3 b {
  color: #ff7852;
  font-weight: 400;
}
.platform-item-pro1 .sys-left h3 span {
  display: block;
  margin-top: 8px;
  color: #888888;
  font-weight: normal;
}
.platform-item-pro1 .sys-left .line {
  width: 50px;
  height: 28px;
  border-bottom: 2px solid #ff7852;
}
.platform-item-pro1 .picture img {
  padding-top: 50px;
  /* width: 100%; */
  height: 600px;
}
.platform-item-pro1 .table img {
  padding: 50px;
  /* width: 100%; */
  height: 700px;
}

.platform-item .sys-left {
  width: 60%;
  padding: 60px 0 0 0;
  margin-top: 50px;
  float: left;
}
.platform-item .sys-left h3 {
  font-size: 30px;
  font-weight: 400;
}
.platform-item .sys-left h3 b {
  color: #ff7852;
  font-weight: 400;
}
.platform-item .sys-left h3 span {
  display: block;
  margin-top: 8px;
  color: #888888;
  font-weight: normal;
}
.platform-item .sys-left .line {
  width: 50px;
  height: 28px;
  border-bottom: 2px solid #ff7852;
}
.platform-item .sys-left p {
  color: #888888;
  line-height: 30px;
  padding-top: 24px;
  width: 90%;
}
.platform-item .sys-right {
  height: 409px;
  width: 40%;
  float: right;
  text-align: center;
  margin-top: 70px;
}