html {
  font-size: 625%;
  font-family: PingFangSC-Regular;
  height: 100%;
}

body {
  height: 100%;
  background-color: #fff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

#guide {
  width: 100%;
  min-height: 100%;
}

.block-title {
  padding: .4rem .3rem;
}

.block-title .main-title {
  margin-bottom: .2rem;
  font-size: .2rem;
  color: #333;
  text-align: center;
}

.block-title .sub-title {
  margin-bottom: .36rem;
  font-size: .14rem;
  color: #333;
  line-height: .24rem;
}

.block-title p {
  color: #333;
  font-size: .14rem;
  line-height: .24rem;
}

.block-title img {
  display: block;
  width: 1.34rem;
  height: 1.34rem;
  margin: .25rem auto;
}