Google Translation:

At the moment site offline due to a hardware failure at a server.
We will keep you updated about the recovery timing, and no data 'was lost.
Do not ask for information on other forums or sites, and ONLY this' official website, the others are not managed by the staff and may not give truthful information.

Update 21/12:
Because of the unexpected for server and staff, the restoration will be 'made in the first days of January.
We apologize for the inconvenience, we wish you a Merry Christmas and Happy New Year.