img, canvas, video {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

img[src*="wechat-qr"] {
  -webkit-touch-callout: default;
}

body.ksm-guard {
  -webkit-user-select: none;
  user-select: none;
}

body.ksm-guard input,
body.ksm-guard textarea,
body.ksm-guard select {
  -webkit-user-select: text;
  user-select: text;
}

.ksm-img-guard {
  position: relative;
}

.ksm-img-guard::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
}