:root {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #1f354b;
  background: #f3f6f9;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-width: 1024px; min-height: 100%; }
button, input, select, textarea { font: inherit; }