body {
  min-width: 1200px;
  margin: 0;
  font-family: 'pingfang SC','helvetica neue',arial,'hiragino sans gb','microsoft yahei ui','microsoft yahei',simsun,sans-serif;
}

.head {
  background: url(./image/about.png) no-repeat;
  background-size: 100% 100%;
  height: 180px;
  width: 100%;
  color: #fff;
  text-align: center;
  position: relative;
  padding-top: 120px;
  background-color: #f1f5ff;
}

.head .title {
  font-size: 32px;
}

.content {
  padding-top: 35px;
}

.content .title {
  text-align: center;
  font-family: PingFangSC-Regular;
  font-size: 26px;
  color: #000000;
  letter-spacing: 0;
}

.content .sub-title {
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #B0C2BF;
  letter-spacing: 5.4px;
  text-align: center;
  margin-top: 8px;
}

.content .list {
  width: 64.2%;
  margin: auto;
  margin-top: 30px;
}

.content .list .item {
  margin-bottom: 60px;
}

.content .list .item h3 {
  font-family: PingFangSC-Medium;
  font-size: 18px;
  color: #333333;
  letter-spacing: 0;
}

.content .list .item h3:before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #01AAA8;
  margin-right: 14px;
  margin-bottom: 2px;
}

.content .list .item p {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #333333;
  letter-spacing: 0;
  text-align: justify;
  line-height: 24px;
  margin: 0;
}

.purpose {
  background: url("./image/purpose.png") no-repeat;
  background-size: 100% 100%;
  height: 200px;
  padding-top: 48px;
  background-color: #f1f5ff;
}

.purpose .title {
  font-family: PingFangSC-Regular;
  font-size: 24px;
  color: #333333;
  letter-spacing: 0;
  text-align: center;
}

.purpose .sub-title {
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #B0C2BF;
  letter-spacing: 5.4px;
  text-align: center;
  margin-top: 10px;
}

.purpose .transf {
  width: 64.2%;
  margin: auto;
  margin-top: 20px;
}