Crossword Genius

Girl has an unusual idea of earthly paradise (7-2)

Ross

I believe the answer is:

shangri-la

I'm a little stuck... Click here to teach me more about this clue!

'earthly paradise' is the definition.
(I've seen this before)

'girl has an unusual' is the wordplay.
'unusual' indicates an anagram.
'girl'+'has'+'an'='girlhasan'
'girlhasan' anagrammed gives 'SHANGRI-LA'.

'idea of' acts as a link.
This may not be right. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for shangri-la that I've seen before include "Imaginary earthly paradise" , "Tibetan paradise created by James Hilton in novel 'Lost Horizon'" , "Milk" , "Hangs liar in idyllic Tibetan country created by James Hilton" , "Fabled utopia" .)

I've seen this clue in The Globe and Mail.
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