\documentclass{ctexart}
\usepackage{geometry,libertine,notebeamer}
\geometry{margin=.75in}

\usepackage[svgnames]{xcolor}

\begin{document}

\includebeamer[color=MidnightBlue,ratio=.45,sep=2ex,pages={1-3,2-4,5,6}]
{figures/beamerdemo.pdf}
\end{document}