language switch flag

1. Hello, I would like to ask about an issue with language switching and incorrect URL redirection.
   When I am on Page A (Traditional Chinese) and click the language switch flag (English), it should normally redirect to the English version of Page A. However, it redirects to another page instead. I suspect this might be due to my manual modification of each page’s URL, which has caused me to lose track of the original automatic redirection logic. As a result, switching languages on any page now leads to incorrect redirections.
2. My navbar contains a hamburger menu with a menu inside, along with other information on the navbar. I would like to place the Polylang language switch flags directly on the navbar instead of inside the hamburger menu. Is this possible?
3. I want to arrange my three language flags in a horizontal layout. Can this be achieved using custom code? If so, where should I add the code? Thank you.

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