:root {
  --blue: #0068ea;
  --button-blue: #2f7bff;
  --text: #000000;
  --muted: #929292;
  --placeholder: #a6a6a6;
  --line: #eef0f5;
  --page-bg: #f2f3f8;
  --surface: #ffffff;
  font-size: calc(100vw / 7.5);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

body {
  font-size: 0.28rem;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
  margin: 0;
  font: inherit;
}

button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

img {
  display: block;
}

@media (min-width: 750px) {
  :root {
    font-size: 100px;
  }

  body {
    display: flex;
    justify-content: center;
  }
}