After opening the country selector, it only appears on the computer and not on the mobile phone. What should I do?

After opening the country selector, it only appears on the computer and not on the mobile phone. What should I do?

You have this rule which specifically hides country selector on mobile

@media screen and (max-width: 749px) {
#HeaderCountryMobileForm {
display: none;
}
}

added around here:

The issue has been resolved. Thank you very much