body {
  margin: 0 auto;
  font-family: "PingFang SC", Helvetica, Arial, "Hiragino Sans GB", "Microsoft Yahei";
}

.key {
  width: 100%;
  height: 10px;
  background: #FFCF45;
}

.kobai {
  width: 100%;
  height: 300px;
  background: #fff;
  position: absolute;
  bottom: 266px;
}

.achjmd {
  position: relative;
  padding-bottom: 50px;
}

.achjmd .achjmd-nav {
  width: 1100px;
  margin: 0 auto;
  margin-top: 44px;
  background: #fff;
  border: 1px solid #e7e7e7;
  box-sizing: border-box;
}

.achjmd .achjmd-nav .achjmd-zuo {
  float: left;
  width: 250px;
  margin-top: 30px;
  margin-left: 25px;
  background: #FFFFFF;
  border: 1px solid #D3D3D3;
  box-sizing: border-box;
}

.achjmd .achjmd-nav .achjmd-zuo a {
  display: block;
  width: 100%;
  height: 22px;
  line-height: 22px;
  text-align: center;
  margin-top: 17px;
  margin-bottom: 7px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #ADADAD;
}

.achjmd .achjmd-nav .achjmd-zuo a:last-child {
  margin-bottom: 17px;
}

.achjmd .achjmd-nav .achjmd-zuo a.active {
  font-weight: 700;
  color: #3D3D3D;
}

.achjmd .achjmd-nav .achjmd-zuo a:hover {
  font-weight: 700;
  color: #3D3D3D;
}

.achjmd .achjmd-nav .achjmd-you {
  width: 70%;
  float: left;
  margin-top: 30px;
  margin-left: 36px;
}

.achjmd .achjmd-nav .achjmd-you h1 {
  height: 40px;
  line-height: 40px;
  font-weight: 700;
  font-family: PingFangSC-Medium;
  font-size: 18px;
  color: #272727;
  letter-spacing: 0;
}

.achjmd .achjmd-nav .achjmd-you ul {
  margin-top: 11px;
  margin-bottom: 77px;
}

.achjmd .achjmd-nav .achjmd-you ul li {
  float: left;
  width: 242px;
  height: 242px;
  background: #FFFFFF;
  border: 1px solid #DDDDDD;
  box-sizing: border-box;
  margin-right: 8px;
  margin-bottom: 15px;
}

.achjmd .achjmd-nav .achjmd-you ul li .aboutli-img {
  margin-top: 16px;
  width: 210px;
  height: 175px;
  line-height: 172px;
  text-align: center;
  margin: 0 auto;
}

.achjmd .achjmd-nav .achjmd-you ul li .aboutli-img img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}

.achjmd .achjmd-nav .achjmd-you ul li p {
  display: block;
  margin-top: 30px;
  width: 210px;
  height: 44px;
  line-height: 22px;
  margin: 0 auto;
  text-align: center;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #515151;
  letter-spacing: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.achjmd .achjmd-nav .achjmd-you .fenye {
  margin-bottom: 50px;
}