3 months is still short-term. So you probably won't get uplift for your salary. but you can ask for a lot of things
0) furnited apartment
1) transportation allowance ($25 per day?) or a car with a driver
2) meal allowance $100.0/day?
3) over inconvinient $25 perday?
Then maybe round-trip tickets to come back to visit your family once?
I am just throwing some ideas out. Congratulations on the opportunity.