Even if we say they're really seeing .045BTC, it shouldn't be seen as a fraud attempt since from the start you were only asking for the equivalent of .0045BTC you sent. and that support staff lacks professionalism seeing how they talk to their client

Since the OP has published the order page , I will help confirm that the order amount seen through my computer is also 0.0045 BTC. Unfortunately, I can't also see the destination BTC address through this order page. I do not understand by reason of "recalculated", who did this? Is there anything else the client can do besides making an order and then paying the amount of money requested by the system in their service?

@OP I want to ask, did you make 2 orders at a time?
I am only worried if the OP made a mistake inputting the amount of the 1st order and then made a new order and paid to the destination BTC address on the 1st order that has a different address.

If you have all proof about your order and want refund then please post here https://bitcointalk.org/index.php?board=83.0 hopefully you will have some better response from site and community about this scam.

yes https://smartprofits.io/clixcoinbox/dashboard