/* Prefer locally available Chinese fonts; keep the original phone layout. */
html, body, .font-sans {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}
button, input, textarea { font-family: inherit; }
html { -webkit-text-size-adjust: 100%; }