.demo .banner {
  height: 6rem;
  width: 100%;
  background-image: url(../img/goods_service/蒙版组\ 2.png);
}

.aircraftType .introdece {
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  width: 14rem;
  height: 1.66rem;
  border-bottom: 0.03rem solid #999999;
  box-sizing: border-box;
}
.aircraftType .introdece .item {
  padding-top: 0.4rem;
  width: 3rem;
  height: 1.66rem;
  text-align: center;
  color: #333333;
  box-sizing: border-box;
}
.introdece .item:hover {
  border-bottom: 0.05rem solid #244a9b;
}
.aircraftType .introdece .china {
  margin-bottom: 0.15rem;
  font-size: 0.3rem;
  font-weight: 400;
}
.aircraftType .introdece .english {
  margin-bottom: 0.32rem;
}
.aircraftPic {
  margin-top: 0.54rem;
  padding-bottom: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.aircraftPic::after {
  content: '';
  display: block;
  width: 4.5rem;
  visibility: hidden;
}
.aircraftPic .pictureItem {
  width: 4.5rem;
}
.transition_box {
  width: 4.5rem;
  height: 3rem;
}
.pictureItem .text {
  height: 0.56rem;
  line-height: 0.56rem;
  text-align: center;
  font-weight: bold;
  color: #333333;
  font-size: 0.2rem;
}