\usepackage{caption}
\captionsetup[figure]{format=plain, labelformat=simple, labelsep=quad, font=small}
\captionsetup[table]{format=plain, labelformat=simple, labelsep=quad, font=small}
\jlreqsetup{itemization_labelsep={1em}}
\ltjsetparameter{jacharrange={-2,-3}}
\ModifyHeading{section}{font=\Large\sffamily\gtfamily\mdseries,lines=2.3,before_lines=0,after_lines=0}
\ModifyHeading{subsection}{font=\large\sffamily\gtfamily\mdseries,lines=1.8,before_lines=0,after_lines=0}
\ModifyHeading{subsubsection}{font=\normalsize\sffamily\gtfamily\mdseries,lines=1.3,before_lines=0,after_lines=0}
\ModifyHeading{paragraph}{font=\normalsize\sffamily\gtfamily\mdseries}
\ModifyHeading{subparagraph}{font=\normalsize\sffamily\gtfamily\mdseries}