body {
  background-color: #e0efed;
}
a {
  text-decoration: none;
  /* 去除默认的下划线 */
  outline: none;
  /* 去除旧版浏览器的点击后的外虚线框 */
  color: #666666;
}
.main {
  width: 1200px;
  overflow: auto;
  margin: 0 auto;
  background-color: white;
}
.main .infor {
  width: 1020px;
  height: 4900px;
  overflow: auto;
  margin: 0 auto;
  background-color: white;
}
.main .infor h1 {
  height: 120px;
  line-height: 120px;
  font-size: 30px;
  font-weight: 400;
  text-align: center;
  border-bottom: 1px dashed #dadada;
  color: #333333;
}
.main .infor img {
  display: block;
  width: 700px;
  height: 4500px;
  margin: 50px auto;
}
.main .infor p {
  text-indent: 2em;
  line-height: 2em;
  color: #666666;
}
.main .infor p:nth-last-child(2) {
  padding-bottom: 50px;
  border-bottom: 1px dashed #dadada;
}
.main div a {
  line-height: 100px;
  float: left;
}
.main div a:nth-child(2) {
  float: right;
}