:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #222;
  background: #fafaf9;
}

body {
  margin: 0;
}

main {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  padding: 1.5rem;
  box-sizing: border-box;
}

h1 {
  margin: 0;
  font-size: clamp(2.75rem, 10vw, 6rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  white-space: nowrap;
}