ncepu-beamer.sty

\useoutertheme{infolines}
\useinnertheme{circles}
\usecolortheme{orchid}
\usefonttheme{professionalfonts} % 数学公式使用带衬线字体

% 定义颜色
\definecolor{NCEPUblue}{RGB}{0,80,153}
\definecolor{NCEPUblueDark}{RGB}{0,50,100}

\setbeamertemplate{headline}
{%
  \leavevmode%
  \hbox{%
    \begin{beamercolorbox}[wd=\paperwidth,ht=2.65ex,dp=1.5ex,center]{section in head/foot}%
      % \usebeamerfont{title in head/foot}\color{white}\insertshorttitle% 在 headline 中显示标题（将该行取消注释时显示）
    \end{beamercolorbox}%
  }%
  \vskip0pt%
}

\setbeamertemplate{footline}
{%
  \leavevmode%
  \hbox{%
    \begin{beamercolorbox}[wd=\paperwidth,ht=1ex,dp=1ex,rightskip=2ex]{}%
      \hfill\usebeamercolor[fg]{page number in head/foot}\usebeamerfont{page number in head/foot}\usebeamertemplate{page number in head/foot}
    \end{beamercolorbox}%
  }%
  \vskip0pt%
}

% 配色
\setbeamercolor{palette tertiary}{bg=NCEPUblue}
% \setbeamercolor{palette secondary}{bg=NCEPUblue!85}
% \setbeamercolor{palette primary}{bg=NCEPUblue!35}
\setbeamercolor{title}{fg=NCEPUblue}
\setbeamercolor{frametitle}{fg=NCEPUblue}
\setbeamercolor{section number projected}{bg=NCEPUblue,fg=white}
\setbeamercolor{section in toc}{fg=NCEPUblueDark}
\setbeamercolor{subsection in toc}{fg=NCEPUblue}

% 标题样式
\setbeamertemplate{frametitle}[default][center]

% LOGO
\addtobeamertemplate{headline}{
  \setlength\unitlength{1ex}
  \begin{picture}(0,0)
    % \put{} 确定 LOGO 的位置
    \put(0,-10){\makebox(0,0)[bl]{
        \includegraphics[width=3cm]{img/logo.png}
    }}
  \end{picture}%
}{}

% block 样式
% \setbeamercolor{block title}{bg=PurpleBlue,fg=white}
% \setbeamercolor{block body}{bg=blue!10,fg=black}

% 脚注样式
\setbeamertemplate{footnote}{
  \parindent 1em\noindent%
  \raggedright
  \hbox to 0.5em{\hfil\insertfootnotemark}\insertfootnotetext\par%
}

% 章节前目录样式
\AtBeginSection{
  \begin{frame}
    \centering
    \begin{minipage}{0.8\textwidth}
      \tableofcontents[sectionstyle=show/shaded,subsectionstyle=hide/hide/hide,subsubsectionstyle=hide/hide/hide]
    \end{minipage}
  \end{frame}
}
\AtBeginSubsection{
  \begin{frame}
    \centering
    \begin{minipage}{0.8\textwidth}
      \tableofcontents[sectionstyle=show/shaded,subsectionstyle=show/shaded/hide,subsubsectionstyle=hide/hide/hide]
    \end{minipage}
  \end{frame}
}