:root {
  --app-font-family: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --table-font-family: var(--app-font-family);
  --control-font-family: var(--app-font-family);
}

html,
body,
button,
input,
select,
textarea,
option,
dialog,
pre,
code,
kbd,
samp {
  font-family: var(--app-font-family);
}