* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}
body {
  min-width: 320px;
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
}
img,
svg {
  display: block;
  max-width: 100%;
}
ul {
  list-style: none;
}