\mode<presentation>

\newif\ifbeamer@secheader
\beamer@secheaderfalse

%\DeclareOptionBeamer{secheader}{\beamer@secheadertrue}
\ProcessOptionsBeamer
\useoutertheme[left,width = 1cm]{sidebar}
% \useoutertheme[footline=authorinstitutetitle]{smoothbars}
\makeatletter % [add curpage/total page at the bottom](http://tex.stackexchange.com/questions/100838/beamer-dresden-theme-miniframes-appeareance-and-frame-number-insertion)
\newcommand{\frameofframes}{/}
\newcommand{\setframeofframes}[1]{\renewcommand{\frameofframes}{#1}}
\setbeamertemplate{footline} 
  {%
    % \begin{beamercolorbox}[colsep=1.5pt]{upper separation line foot}
    % \end{beamercolorbox}
    
    % \begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
    %   leftskip=.3cm,rightskip=.3cm plus1fil]{author in head/foot}%
    %   \leavevmode{\usebeamerfont{author in head/foot}\insertshortauthor}%
    %   \hfill%
    %   {\usebeamerfont{institute in head/foot}\usebeamercolor[fg]{institute in head/foot}\insertshortinstitute}%
    % \end{beamercolorbox}%

    \begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
      leftskip=.3cm,rightskip=.3cm plus1fil]{title in head/foot}%
      {\usebeamerfont{title in head/foot}\insertshorttitle}%
      \hspace*{40em}
      {\usebeamerfont{frame number}\usebeamercolor[fg]{frame number}\insertframenumber~\frameofframes~\inserttotalframenumber}
    \end{beamercolorbox}%
    \begin{beamercolorbox}[colsep=1.5pt]{lower separation line foot}
    \end{beamercolorbox}
  }
\makeatother

\useinnertheme{circles}

%\useoutertheme{default}
%\useinnertheme[shadow=true]{rounded}

\xdefinecolor{tsinghua}{rgb}{0.5,0,0}  %RGB#82318E
\setbeamercolor{footline}{bg=tsinghua}
\setbeamercolor{frametitle}{bg=tsinghua,fg=white}
\setbeamercolor{title}{bg=tsinghua}
\setbeamerfont{frametitle}{size=\large}
\setbeamertemplate{navigation symbols}{}
\setbeamertemplate{bibliography item}[text]
\setbeamertemplate{caption}[numbered]

\setbeamercolor{palette primary}{use=structure,fg=white,bg=structure.fg}
\setbeamercolor{palette secondary}{use=structure,fg=white,bg=structure.fg!75!black}
\setbeamercolor{palette tertiary}{use=structure,fg=white,bg=structure.fg!50!black}
\setbeamercolor{palette quaternary}{fg=white,bg=structure.fg!50!black}
\setbeamercolor*{sidebar}{use=structure,bg=structure.fg}
\setbeamercolor{titlelike}{parent=palette primary}

%% try
\setbeamercolor{block title}{bg=tsinghua,fg=white}
\setbeamercolor*{block title example}{use={normal text,example text},bg=white,fg=tsinghua}
\setbeamercolor{fine separation line}{}
\setbeamercolor{item projected}{fg=white}
\setbeamercolor{palette sidebar primary}{use=normal text,fg=normal text.fg}
\setbeamercolor{palette sidebar quaternary}{use=structure,fg=structure.fg}
\setbeamercolor{palette sidebar secondary}{use=structure,fg=structure.fg}
\setbeamercolor{palette sidebar tertiary}{use=normal text,fg=normal text.fg}
%\setbeamercolor{palette sidebar quaternary}{fg=white}
\setbeamercolor{section in sidebar}{fg=brown}
\setbeamercolor{section in sidebar shaded}{fg=blue}
\setbeamercolor{separation line}{}
\setbeamercolor{sidebar}{bg=tsinghua}
\setbeamercolor{sidebar}{parent=palette primary}
\setbeamercolor{structure}{fg=tsinghua}
\setbeamercolor{subsection in sidebar}{fg=brown}
\setbeamercolor{subsection in sidebar shaded}{fg=blue}
\AtBeginSection[]{
	\begin{frame}
		\tableofcontents[sectionstyle=show/shaded,subsectionstyle=show/shaded/hide,subsubsectionstyle=show/shaded/hide]
	\end{frame}
}
\AtBeginSubsection[]{
	\begin{frame}
		\tableofcontents[sectionstyle=show/shaded,subsectionstyle=show/shaded/hide,subsubsectionstyle=show/shaded/hide]
	\end{frame}
}

\mode
<all>
