/* 触屏上，输入框字号小于 16px 时，系统会在聚焦时把整页放大。 */
html, body { touch-action: manipulation; }
@media (pointer: coarse), (max-width: 860px) {
  input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]):not([type="color"]):not([type="button"]):not([type="submit"]):not([type="reset"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select,
  [contenteditable="true"] {
    font-size: 16px !important;
  }
}