.boxTop {
  padding-top: 66px;
  margin-bottom: 10px;
}

.boxTop .box {
  margin-bottom: 54px;
}

.productIntroduction_bgi {
  display: block;
  width: 97%;
  margin: 50px auto 0;
}

.productIntroduction_video {
  position: relative;
  width: 570px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 50px;
}

.productIntroduction_video_icon {
  position: absolute;
  left: 44%;
  top: 44%;
}

.nivo-directionNav {
  display: none;
}

.nivo-controlNav {
  display: none;
}

.em-service-desc {
  height: 144px;
}

.platformValue .em-service-title {
  display: flex;
  align-items: center;
  overflow: hidden;
  transition: 1s;
  margin-bottom: 6px;
}

.platformValue .em-service-title i {
  font-size: 30px;
  margin-right: 10px;
  /* margin-top: -10px; */
}

.em-service-title h3 {
  margin: 0px 0 10px;
  font-size: 30px;
}

.tab_area .tab_content h3 {
  margin-bottom: 0;
}

.em-service-title:hover i {
  color: #0c3eb9;
  ;
}

.platformValue .em-service-desc p {
  text-indent: 2em;
}

.issue .tab_content p {
  font-size: 17px;
  line-height: 2.4;
}

.em-service2 .platformValue {
  overflow: visible;
}

.em-service-desc {
  height: auto
}

.tab_item ul li a {
  padding: 6px;
}