If I Marry Hong Kong Girl In Pakistan Can i Get Hong Kong Citizenship?

Hi,
Plz help me out of this matter

i m from pakistan, and my gf is from hong kong i want to go hong kong and live there,
so if my gf come here in pakistan and we marry so can i get permit to living in hong kong?
2nd can we go hong kong together?
3rd she come here on visit visa so can she marry with me holding vist visa?
If we can marry and it is possible to get permit of living in hong kong after marry so what process of visa how i apply for visa? and how much time it takes
plz answer as soon as possilbe ..
thnx in advance...