:root {
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
  color: #1d2733;
  background: #f3f6fa;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body, #app { min-width: 320px; min-height: 100%; margin: 0; }
body { min-height: 100vh; background: #f3f6fa; }
button, input, textarea, select { font: inherit; }
