.main {
  background: url(http://39.129.25.206:5001/static/cdn_img/web/nbmTwin/bg.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.introduce {
  width: 100%;
  height: 520px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.introduce .left {
  width: 587px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.introduce .left .title {
  /** 文本1 */
  font-size: 24px;
  font-weight: 500;
  color: #333333;
  text-align: left;
}
.introduce .left .english {
  /** 文本1 */
  font-size: 12px;
  font-weight: 500;
  color: #cccccc;
  text-align: left;
  margin: 5px 0 12px 0;
}
.introduce .left .content {
  /** 文本1 */
  font-size: 16px;
  font-weight: 400;
  line-height: 30px;
  color: #666666;
  text-align: left;
}
.introduce .right {
  width: 266px;
  height: 350px;
  margin-left: 171px;
}
.introduce .right img {
  width: 100%;
  height: 100%;
}
.sym {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 596px;
  opacity: 1;
  background: #0c234a;
}
.sym .tip {
  margin-top: 5px;
  /** 文本1 */
  font-size: 14px;
  font-weight: 400;
  color: #cccccc;
  text-align: left;
  margin-bottom: 40px;
}
.sym .box {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sym .box .picImg {
  width: 292px;
  height: 370px;
  background: url(http://39.129.16.49:5001/static/cdn_img/web/nbmTwin/img-2.png) no-repeat;
  background-size: contain;
  margin-left: 50px;
}
.sym .box img:first-child {
  position: absolute;
  top: 36px;
  left: -222px;
}
.sym .box img:last-child {
  position: absolute;
  top: 155px;
  right: -315px;
}
.idea {
  width: 100%;
  height: 430px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #f5f7fb;
}
.idea .ideaLeft {
  width: 330px;
  height: 324px;
}
.idea .ideaLeft img {
  width: 100%;
  height: 100%;
}
.idea .ideaRight {
  width: 686px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-left: 102px;
}
.idea .ideaRight .ideaBotton {
  width: 100%;
  margin-top: 40px;
  /** 文本1 */
  font-size: 16px;
  font-weight: 400;
  line-height: 30px;
  color: #666666;
  text-align: justify;
}
.use {
  width: 100%;
  height: 367px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.use .conten {
  width: 1200px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.use .conten .icons {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-right: 192px;
}
.use .conten .icons .icon {
  width: 96px;
  height: 96px;
  margin: 60px 0 40px 0;
}
.use .conten .icons .icon img {
  width: 100%;
  height: 100%;
}
.use .conten .icons .tip {
  /** 文本1 */
  font-size: 18px;
  font-weight: 400;
  line-height: 26.06px;
  color: #000000;
  text-align: left;
}
.use .conten .icons:last-child {
  margin-right: 0;
}
.models {
  width: 100%;
  height: 257px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background: #f5f7fb;
}
.models .conten {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
}
.models .conten .icon {
  width: 240px;
  height: 82px;
  margin-left: 60px;
}
.models .conten .icon img {
  width: 100%;
  height: 100%;
}
.scene {
  width: 100%;
  height: 703px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.scene .tip {
  /** 文本1 */
  font-size: 14px;
  font-weight: 400;
  line-height: 29px;
  color: #999999;
  text-align: center;
  margin: 12px 0 24px 0;
}
.scene .form {
  width: 1199px;
  height: 458px;
}
.scene .form img {
  width: 100%;
  height: 100%;
}