\usemodule[visual]

\setscript[hanzi]
\setupalign[hanging, hz]

\usemodule[zhfontsext]
\usetypescript[cnfontb]
\setupbodyfont[cnfontb,rm,12pt] % 小四号 = 12pt
\mainlanguage[cn]


\setuplayout[header=1cm,footer=1cm,topspace=1cm,bottomspace=1cm,cutspace=2cm,leftmargin=2cm,backspace=2cm,rightmargin=2cm]
\setuppagenumbering [location=]



\setupheadertexts[中间]
\setupheadertexts[左边][右边]
\starttext
    \fakewords{20}{30} 
\stoptext