.introduce-bottom {
  width: 1200px;
  height: 400px;
  margin: 90px auto 110px;
}
.introduce-bottom .bottom-left {
  width: 340px;
  float: left;
}
.introduce-bottom .bottom-left p:nth-child(1) {
  color: #595757;
  font-size: 36px;
}
.introduce-bottom .bottom-left p:nth-child(1) span {
  display: block;
  float: left;
  width: 6px;
  height: 29px;
  margin: 10px 3px 0 0;
  border-left: 6px solid #bb0007;
}
.introduce-bottom .bottom-left p:nth-child(2) {
  color: #dcdddd;
  font-size: 36px;
  font-weight: bold;
  line-height: 30px;
}
.introduce-bottom .bottom-left p:nth-child(3) {
  margin-top: 40px;
  color: #595757;
  font-size: 30px;
}
.introduce-bottom .bottom-left p:nth-child(4) {
  color: #595757;
}
.introduce-bottom .bottom-right {
  width: 860px;
  height: 400px;
  float: left;
  background-color: #97aae7;
}
.introduce-bottom .bottom-right img {
  width: 100%;
  height: 100%;
}
@media only screen and (max-width: 900px) {
  .about-dongri {
    margin-top: -35px !important;
  }
  .about-dongri .investor-relations {
    font-size: 15px!important;
  }
  .introduce-bottom {
    height: 300px !important;
    margin-bottom: 20px!important;
  }
  .introduce-bottom .bottom-left {
    margin-bottom: 10px !important;
  }
  .introduce-bottom .bottom-right {
    height: 50% !important;
    margin-bottom: 10px !important;
  }
  .introduce-bottom .bottom-right img {
    width: 100% !important;
    height: 100%;
  }
}