.banner #lbt1{
  max-width: 34.8%;
  position:absolute;
  z-index: 5;
  top: 35%;
  left: 19.5%;
}
.banner #lbt1 img{
  width: 100%;
}
.banner #lbt1 .er{
  margin-top: 9%;
}
.banner #lbt2{
  max-width: 105.94rem;
  position:absolute;
  z-index: 5;
  top: 19.4%;
  left: 8%;
  display: flex;
  justify-content: space-between;
}
.banner #lbt2 .left .yi{
  max-width: 92.5%;
}
.banner #lbt2 .left .yi img{
  width: 100%;
}
.banner #lbt2 .left .er{
  text-align: center;
}
.banner #lbt2 .right{
}