html,
body,
#app,
[data-layout='wrap'] {
  max-width: 750px !important;
  min-width: 320px !important;
}

/* 大于750 */
@media (min-width: 750px) {
  html {
    font-size: 75px !important;
  }
}

.cpopup,
.van-overlay {
  width: var(--max-width) !important;
  min-width: var(--max-width) !important;

  left: 50% !important;
  transform: translateX(-50%) !important;
}