TaxWeChatApp/miniprogram/components/customer-bottom/customer-bottom.wxss

/* components/customer-bottom/customer-bottom.wxss */
.bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #f8f9fb;
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom);
}