html {
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  line-height: 1.6;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 12px;
  background-color: #272634;
}

* {
  margin: 0;
  padding: 0;
}

a img {
  border: 0;
}

a {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  color: #292828;
}

.page {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  overflow: hidden;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
          flex-direction: column;
}

.page-hd {
  position: relative;
  background-color: #fff;
}

.page-bd {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
          flex: 1;
  overflow: auto;
 
  background: #f8f8f8;
  position: relative;
}
@media only screen and (min-width: 320px) {
  html {
    font-size: 64px;
  }
}

@media only screen and (min-width: 360px) {
  html {
    font-size: 72px;
  }
}

@media only screen and (min-width: 375px) {
  html {
    font-size: 75px;
  }
}

@media only screen and (min-width: 414px) {
  html {
    font-size: 82.8px;
  }
}

@media only screen and (min-width: 480px) {
  html {
    font-size: 96px;
  }
}