body {
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #fff;
  color: #414141;
  font-style: normal;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.8em;
}

.site-container {
  width: 1180px;
  margin: 0 auto;
}