Does "one country, two systems" mean that the lifestyle after the handover remains completely unchanged?

The truth is:Our way of life changes with the times; our freedoms and core values for the first time in our history are now constitutionally guaranteed by the Basic Law; nature of our political system and international status had also undergone subtle changes following change of sovereignty. It follows that only thing remains unchanged is our capitalist system.

TopCONSTITUTIONAL ISSUES after 1997