36. 已知函数f(x)f(x)f(x)的图象关于原点对称,且满足f(x+4)+f(−x)=0f(x+4)+f(-x)=0f(x+4)+f(−x)=0,且当x∈(2,4)x\in (2,4)x∈(2,4)时,f(x)=−log12(x−1)+mf(x)=-{\log _{\frac{1}{2}}}({x-1})+mf(x)=−log21(x−1)+m,若f(2021)−12=f(−1)\frac{f({2021})-1}{2}=f({-1})2f(2021)−1=f(−1),则m=(m=(m=( )))