body {
  margin: 0;
  background: #F3F3EF;
  color: #1E2330;
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
}
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}
h1 {
  font-size: 22px;
  margin: 32px 0 8px;
}
a {
  color: #3D7BFD;
}
.meta {
  margin-top: 40px;
  color: #6B7080;
  font-size: 14px;
}
h2 {
  font-size: 18px;
  margin: 24px 0 4px;
}
.langs {
  margin: 0;
  font-size: 14px;
}
section + section {
  margin-top: 48px;
  border-top: 1px solid #DCDCD4;
}
:lang(zh) {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}