.tit {
  font-size: 24px;
  font-family: Arial;
  font-weight: bold;
  color: #333333;
  text-align: center;
  margin: 85px 0 105px;
}

.tit .line {
  width: 40px;
  height: 2px;
  background: #86201D;
  display: inline-block;
}

.part .title {
  font-size: 24px;
  font-family: SourceHanSansSC;
  font-weight: 400;
  color: #851E1C;
  line-height: 1.1;
  border-left: 8px solid #851E1C;
  padding-left: 15px;
  margin-bottom: 40px;
}

.part p {
  font-size: 20px;
  font-family: PingFang SC;
  font-weight: bold;
  color: #999999;
  line-height: 50px;
  text-align: center;
  margin-bottom: 60px;
}

.part img {
  width: 100%;
  margin: 10px auto 90px;
}