html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
    "PingFang SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, strong, b {
  font-weight: 650;
}

p {
  text-wrap: pretty;
}

button, input, select, textarea {
  font-family: inherit;
}