SCU_Beamer_Slide-demo
/
beamerthemescu.sty

% This is file `beamerthemescu.sty'.
% Copyright (C) 2021-2022 by Linrong Wu.
% Version: 2021/12/30 v1.1a (Original Version: 2021/11/30 v1.0a).
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/licenses/LICENSE for more details.
%
% Provide options::
%   MathFont = LM | XITS
%   BlockDisplay = colorful | followtheme | allgrey
%   CodeDisplay = listing | minted
%   ContentMuticols = true | false
%   Background = true | false
%
% 本文件为 SCU_Beamer_Slide-demo 宏包文件.
% !请勿轻易改动此文档中代码.
%%%% ----------------------------------------------------------------
\NeedsTeXFormat{LaTeX2e}[1995/12/01]
\ProvidesPackage{beamerthemescu}[2022/03/10 v1.2a, SCU Beamer Theme(Main Theme)]
%%%% ----------------------------------------------------------------

\def\mycopyright{\vspace{2ex}Copyright\enspace\copyright\enspace2021-2022 by Linrong Wu.}


% ----------------
% Declare of Options
% ----------------
% 定义新的 if.
\newif\ifbeamer@chinese
\newif\ifbeamer@scu@contentmuticols
\newif\ifbeamer@scu@background

% 声明参数.
\DeclareOptionBeamer{MathFont}{\def\beamer@scu@MathFont{#1}}
\DeclareOptionBeamer{BlockDisplay}{\def\beamer@scu@BlockDisplay{#1}}
\DeclareOptionBeamer{CodeDisplay}{\def\beamer@scu@CodeDisplay{#1}}
\DeclareOptionBeamer{MintedStyle}{\def\beamer@scu@MintedStyle{#1}}
\DeclareOptionBeamer{ColorDisplay}{\PassOptionsToPackage{ColorDisplay=#1}{beamercolorthemescu}}
\DeclareOptionBeamer{LanguageMode}{\def\beamer@scu@LanguageMode{#1}}
\DeclareOptionBeamer{chinese}[true]{\csname beamer@chinese#1\endcsname}
\DeclareOptionBeamer{ContentMuticols}{\csname beamer@scu@contentmuticols#1\endcsname}
\DeclareOptionBeamer{Background}{\csname beamer@scu@background#1\endcsname}

\PassOptionsToClass{aspectratio=169}{beamer}

% 预执行参数.
\ExecuteOptionsBeamer{%
  MathFont=LM,%
  BlockDisplay=colorful,%
  CodeDisplay=listing,%
  ColorDisplay=JXred,%
  LanguageMode=cn,%
  ContentMuticols=true,%
  Background=ture%
}

\ProcessOptionsBeamer

% 参数选项名称定义.
% MathFont.
\def\beamer@scu@MathFonttypeXITS{XITS}
\def\beamer@scu@MathFonttypeLM  {LM}
% BlockDisplay.
\def\beamer@scu@BlockDisplaytypecolorful   {colorful}
\def\beamer@scu@BlockDisplaytypefollowtheme{followtheme}
\def\beamer@scu@BlockDisplaytypeallgrey    {allgrey}
% CodeDisplay.
\def\beamer@scu@CodeDisplaytypeminted {minted}
\def\beamer@scu@CodeDisplaytypelisting{listing}

\def\beamer@scu@MintedStyletypelightmode{lightmode}
\def\beamer@scu@MintedStyletypedarkmode {darkmode}


% 定义执行命令. 修改自 sjtubeamer.
\def\EqualOptionsBeamer{%
  \relax\fi\ifEqualOptionsBeamer%
}
% #1: Option - Key.
% #2: Option - Value.
\def\ifEqualOptionsBeamer#1#2{%
  \newif\ifoption@tmp%
  \edef\optionkey@tmp{%
    \csname beamer@scu@#1\endcsname%
  }%
  \edef\optionvalue@tmp{#2}%
  \ifx\optionkey@tmp\optionvalue@tmp\option@tmptrue%
  \else\option@tmpfalse\fi%
  \ifoption@tmp%
}

% 定义命令写法. 修改自 lshort-zh-cn.
\DeclareRobustCommand*\cmd[1]{\alert{\texttt{\char`\\#1}}}
\DeclareRobustCommand*\env[1]{\alert{\texttt{#1}}}
\DeclareRobustCommand*\pkg[1]{\alert{\textsf{#1}}}
\DeclareRobustCommand*\cls[1]{\alert{\textsf{#1}}}
\DeclareRobustCommand*\marg{\@ifstar\@marg\@margmeta}
\DeclareRobustCommand*\oarg{\@ifstar\@oarg\@oargmeta}
\DeclareRobustCommand*\Arg[1]{\@meta{#1}}
\def\@oarg#1{\textcolor{scugrey}{\texttt{[#1]}}}
\def\@oargmeta#1{\@oarg{\@meta{#1}}}
\def\@marg#1{\texttt{\{#1\}}}
\def\@margmeta#1{\@marg{\@meta{#1}}}
\def\@meta#1{$\m@th\langle$\textnormal{\textit{#1}}$\m@th\rangle$}
% ----------------


\mode<presentation>


% ----------------
% Package Using
% ----------------
\if\EqualOptionsBeamer{LanguageMode}{cn}
  \RequirePackage[fontset=none]{ctex}% 提供统一的 LaTeX 中文文档框架.
\if\EqualOptionsBeamer{LanguageMode}{en}
  \RequirePackage[fontset=none, scheme=plain]{ctex}
\fi\fi
\RequirePackage{xeCJK}% xeCJK: 排版 CJK 文字.
\RequirePackage{fontspec}% fontspec: 字体设置.
\RequirePackage{unicode-math}% unicode-math: OpenType 数学字体.
\RequirePackage{tikz}% tikz: 绘制图像.
\usetikzlibrary{turtle}
\RequirePackage{comment}% comment: 提供注释环境.
\RequirePackage{xparse}% xparse: 指定命令参数.
\RequirePackage{varioref}% varioref: 交叉引用.
\RequirePackage{cleveref}% cleveref: 交叉引用.
\RequirePackage{tcolorbox}% tcolorbox: 绘制彩色文本框.
\RequirePackage{fbox}
\if\EqualOptionsBeamer{CodeDisplay}{minted}%
  \RequirePackage[outputdir=mintedbuild]{minted}% 调用 minted 宏包, 临时文件存储在 mintedbuild 文件夹.
  \tcbuselibrary{most, xparse, listings, minted}
  \PackageWarningNoLine{beamerthemescu}{%
    beamerthemscu package loaded with `CodeDisplay=minted' option. %
    Please add `-shell-escape' and `-8bit' parameters to XeLaTeX.}
\else\if\EqualOptionsBeamer{CodeDisplay}{listing}%
  \tcbuselibrary{most, xparse, listings}
  \PackageWarningNoLine{beamerthemescu}{%
    beamerthemscu package loaded with `CodeDisplay=listing' option. %
    If you have configured Python environment, %
    you are recommended to set `CodeDisplay=minted' option and %
    install Pygments through pip. %
    Please add `-shell-escape' and `-8bit' parameters to XeLaTeX.}
\fi\fi
\RequirePackage{adjustbox}% adjustbox: 处理盒子.
\RequirePackage{xhfill}% xhfill: 定制化线填充.
\RequirePackage{ifthen}% ifthen: 控制结构语句.
\RequirePackage{fontawesome}% fontawesome: 提供可缩放矢量图标.
\RequirePackage{tabularx}% tabularx: 智能表格环境.
\RequirePackage[%
  backend=biber,%
  autolang=hyphen,%
  style=gb7714-2015,%
  gbalign=gb7714-2015,%style=gb7714-2015ms
  gbstyle=false, url=false, doi=false, isbn=false,%
  sorting=none]{biblatex}% biblatex: 参考文献.
% ----------------

\@ifpackageloaded{minted}{%
	\ExecuteOptionsBeamer{MintedStyle=lightmode}%
}

\ProcessOptionsBeamer
% ----------------
% Some Settings
% ----------------
%\hyperref{urlcolor=scugreen}
% 调整左右边距.
\setbeamersize{text margin left=0.036\paperwidth, text margin right=0.036\paperwidth}
% 设置目录深度为 2 (显示至 subsection).
\setcounter{tocdepth}{2}
% 设置图片路径为项目文件夹下 `image' `images' `figure' `figures'.
\graphicspath{{image/}{images/}{figure/}{figures/}{resources/}}
% 导入参考文献 bib 文件.
\addbibresource[location=local]{ref.bib}
% 半透明化尚未出现的内容.
\setbeamercovered{transparent}
% 导航栏为空.
\beamertemplatenavigationsymbolsempty
% 参考文献设置.
\beamertemplatetextbibitems
% ----------------


% ----------------
% Theme Layout
% Confirmed in v1.3a.
% 包含外部主题, 内部主题, 颜色主题.
% ----------------
% 颜色主题 - scu.
\usecolortheme{scu}
% 内部主题 - rounded (圆形边框).
\useinnertheme{rounded}
% 取消 itemize 环境编号.
\setbeamertemplate{itemize items}[circle]
% 设置 enumerate 环境编号为圆形.
\setbeamertemplate{enumerate items}[circle]
% 设置目录中章节编号为圆形.
\setbeamertemplate{sections/subsections in toc}[circle]
% 图标题编号.
\setbeamertemplate{caption}[numbered]
% 定理标题编号.
\setbeamertemplate{theorems}[numbered]
% 设置 blocks 区块为 rounded (圆形边框), 阴影开启.
\setbeamertemplate{blocks}[rounded][shadow=true]
% 设置 bibliography 列表为 text 显示模式.
\setbeamertemplate{bibliography item}[text]
% 压缩模式.
\beamer@compresstrue
% ----------------


% ----------------
% Length Define
% ----------------
% A paper width for the footline.
\newlength{\halfpaperwidth}
% The left margin.
\newlength{\headingleftmargin}
% Paper width minus margins.
\newlength{\headingwidthminusmargins}
% Height of the heading block.
\newlength{\headingheight}
% Height of the footer block.
\newlength{\footerheight}
% The height for the titlepageheader in the title page.
\newlength{\titlepageheaderheight}
% The height for the footer in the title page.
\newlength{\titlepagefooterheight}
% The height for the main title block.
\newlength{\titlepagemaintitleblockheight}
% The height for the subtitle block.
\newlength{\titlepagesubtitleblockheight}
% The height for the name and date block.
\newlength{\titlepagenamedateblockheight}
% The height for the institution block.
%\newlength{\titlepageinstitutionheight}
% The lengths for spacing between name and date.
\newlength{\titlepagespaceundername}
\newlength{\titlepagespaceunderdate}

% The length for the light thin bar.
\setlength{\headingleftmargin}{0.05573\paperwidth}
\setlength{\headingwidthminusmargins}{\paperwidth}
\addtolength{\headingwidthminusmargins}{-\headingleftmargin}
\setlength{\headingheight}{0.1\paperheight}
\setlength{\footerheight}{0.09017\paperheight}

\setlength{\titlepageheaderheight}{0.2\paperheight}
\setlength{\titlepagefooterheight}{0.0\paperheight}
\setlength{\titlepagemaintitleblockheight}{0.16\paperheight}
\setlength{\titlepagesubtitleblockheight}{0.1\paperheight}
\setlength{\titlepagenamedateblockheight}{0.36\paperheight}

\setlength{\titlepagespaceundername}{16pt}
\setlength{\titlepagespaceunderdate}{4pt}

\setlength{\bibitemsep}{0.75ex}
% ----------------


% ----------------
% Background Layout
% Confirmed in v1.3a.
% 设置了主题背景选项 "background=ture" & "background=false".
% 设置了页眉 logo.
% ----------------
\ifbeamer@scu@background%
  % 设置 "background.png" 为图片 "bg".
  \pgfdeclareimage[width=\paperwidth]%
    {bg}{./resources/background.png}
  % 设置图片 "bg" 为背景图片.
  \usebackgroundtemplate{\pgfuseimage{bg}}
  % 设置 "backgroundofsubsectiontocpage.png" 为图片 "bgofsubsectoc".
  \pgfdeclareimage[width=\paperwidth]%
    {bgofsubsectoc}{./resources/backgroundofsubsectiontocpage.png}
  % 设置 "backgroundoftitlepage.png" 为图片 "bgoftitle".
  \pgfdeclareimage[width=\paperwidth]%
    {bgoftitle}{./resources/backgroundoftitlepage.png}
\else%
  % 设置 "backgroundoftitlepage(Light).png" 为图片 "bgoftitle".
  \pgfdeclareimage[width=\paperwidth]%
    {bgoftitle}{./resources/backgroundoftitlepage(Light).png}
\fi

% 设置 "SCUname.pdf" 为图片 "logo".
\pgfdeclareimage[width=6.25em]%
  {lg}{./resources/SCUname.pdf}
% ----------------


% ----------------
% Font Layout
% 设置了主题数学字体选项 "mathdisplay=XITS" & "mathdisplay=LM".
% ----------------
%\newfontfamily\cmcsc{cmcsc10.mf}
%\def\scshape{\cmcsc}
%\setmainfont[SmallCapsFont]{cmcsc10.mf}
% 设置无衬线字体为 Computer Modern Unicode Bright 字体族(Opentype 格式).
\setsansfont{CMU Sans Serif}

% 数学字体设置.
\if\EqualOptionsBeamer{MathFont}{XITS}%
  % 数学字体 - XITS Math.
  \setmathfont{XITS Math}
\else\if\EqualOptionsBeamer{MathFont}{LM}%
  % 数学字体 - Latin Modern Math.
  \setmathfont{Latin Modern Math}
\fi\fi

% 设置中文无衬线字体为项目文件夹下 "fonts" 中 "simkai.ttf" (楷体), 加粗为 "simhei.ttf" (黑体).
%\setCJKsansfont[Path="fonts/",BoldFont={simhei.ttf}]{simkai.ttf}
\setCJKsansfont[Scale=0.956]{Microsoft YaHei}
%\setCJKsansfont{LXGWWenKai-Bold.ttf}[Path="fonts/",Scale=0.956,BoldFont={SourceHanSansSC-Medium.otf}]
%\usefonttheme{professionalfonts}
% ----------------


% ----------------
% Font Sizes Layout
% ----------------
% 幻灯标题字体设置.
\setbeamerfont{frametitle}{size=\large,series=\bfseries}
\setbeamerfont{framesubtitle}{size=\scriptsize,series=\bfseries}
% 封页字体设置.
\setbeamerfont{title}{size=\Large,series=\bfseries}
\setbeamerfont{subtitle}{size=\footnotesize,series=\bfseries}
\setbeamerfont{author}{size=\normalsize}
\setbeamerfont{date}{size=\scriptsize}

\setbeamerfont{block title}{size=\normalsize}
\setbeamerfont{structure}{size=\normalsize,series=\bfseries}
% 脚注字号设置.
\setbeamerfont{footnote}{size=\scriptsize}
% 页眉页脚字体设置.
\setbeamerfont{section in head/foot}{size=\scriptsize,series=\bfseries}
\setbeamerfont{subsection in head/foot}{size=\scriptsize,series=\bfseries}
\setbeamerfont{institute in head/foot}{size=\scriptsize,series=\bfseries}
\setbeamerfont{author in head/foot}{size=\tiny,series=\bfseries}
\setbeamerfont{title in head/foot}{size=\tiny,series=\mdseries}
\setbeamerfont{framenumber in head/foot}{size=\scriptsize,series=\bfseries}
% itemize 环境序号设置.
\setbeamertemplate{itemize item}{\scriptsize\raise1.25pt\hbox{\textbullet}}
\setbeamertemplate{itemize subitem}{\scriptsize\raise1.25pt\hbox{\textbullet}}
\setbeamertemplate{itemize subsubitem}{\scriptsize\raise1.25pt\hbox{\textbullet}}
% 参考文献目录字号设置为6号.
\renewcommand*{\bibfont}{\footnotesize}
% ----------------


% ----------------
% Mini-frames Layout
% Confirmed in v1.1a.
% 参考了: https://tex.stackexchange.com/questions/314847/beamer-theme-antibes-plus-navigation-bar-with-circles-for-subsections/314961#314961.
% ----------------
% 计数器 - 小节起始页.
\newcount\beamer@subsectionstartframe
\beamer@subsectionstartframe=2
% 使用 etoolbox 宏包修改 `beamerbasesection.sty' 中 \beamer@subsection 命令.
\apptocmd{\beamer@subsection}{%
  \addtocontents{nav}{\protect\headcommand{%
    \protect\beamer@subsectionframes{%
      \the\beamer@subsectionstartframe%
    }{\the\c@framenumber}%
  }}%
}{}{}
\apptocmd{\beamer@subsection}{%
  \beamer@subsectionstartframe=\c@framenumber\relax%
}{}{}
% document 结束时设置 \headcommand 写入项. (\noexpand 表示不展开命令)
\AtEndDocument{%
  \immediate\write\@auxout{\string\@writefile{nav}{%
    \noexpand\headcommand{%
      \noexpand\beamer@subsectionframes{%
        \the\beamer@subsectionstartframe%
      }{\the\c@framenumber}%
    }%
  }}%
}{}{}
% 定义小节结束页命令. (实际此处设置为后续小节起始帧, document 结束时设置为结束帧)
\def\beamer@subsectionendframe{2}
\def\beamer@subsectionframes#1#2{%
  \ifnum\c@framenumber<#1%
  \else%
    \ifnum\c@framenumber>#2%
    \else%
      \gdef\beamer@subsectionendframe{#2}%
    \fi%
  \fi%
}
% 按照 beamer 方式储存命令.
\newcommand\insertsubsectionendframe{\beamer@subsectionendframe}
% 计数器 - 小节中当前幻灯帧数.
\newcounter{subsectioncurrentframe}
% 计数器 - 小节中总幻灯帧数.
\newcounter{subsectiontotalframes}
% 长度 - 迷你帧间距.
\newlength{\beamer@scu@miniframesspace}
% #1: 迷你帧间距 - 小节幻灯帧数不大于10.
% #2: 迷你帧间距 - 小节幻灯帧数大于10且不大于15.
% #3: 迷你帧间距 - 小节幻灯帧数大于15.
\def\insertsubsectionminiframes#1#2#3{%
  % 小节当前幻灯帧数设置.
  \setcounter{subsectioncurrentframe}{\insertframenumber}%
  \addtocounter{subsectioncurrentframe}{1}%
  \addtocounter{subsectioncurrentframe}{-\beamer@subsectionstartpage}%
  % 小节总幻灯帧数设置.
  \setcounter{subsectiontotalframes}{\insertsubsectionendframe}%
  \addtocounter{subsectiontotalframes}{0}%
  \addtocounter{subsectiontotalframes}{-\beamer@subsectionstartpage}%
  % 迷你帧间距设置.
  \ifnum\c@subsectiontotalframes>15%
    \setlength{\beamer@scu@miniframesspace}{#3}%
  \else\ifnum\c@subsectiontotalframes>10%
    \setlength{\beamer@scu@miniframesspace}{#2}%
  \else%
    \setlength{\beamer@scu@miniframesspace}{#1}%
  \fi\fi%
  % foreach 循环控制 mini-frames 输出.
  \hbox{%
    \ifnum\c@subsectiontotalframes>1%
      \foreach \i in {1,...,\c@subsectiontotalframes}{%
        \usebeamercolor{mini frame}%
        % 帧数小于当前帧, 则输出实心圆, 否则输出空心圆.
        \ifnum\i<\numexpr\c@subsectioncurrentframe+1%
          \hskip\beamer@scu@miniframesspace%
          \usebeamertemplate{mini frame}%
        \else%
          \hskip\beamer@scu@miniframesspace%
          \usebeamertemplate{mini frame in current section}%
        \fi%
      }%
    \fi%
  }%
}
% ----------------


% ----------------
% Tikz Def Layout
% Confirmed in v1.3a.
% ----------------
\newdimen\beamer@scu@sectionbar
\if\EqualOptionsBeamer{LanguageMode}{cn}%
  \beamer@scu@sectionbar=0.71\paperwidth%
\else\if\EqualOptionsBeamer{LanguageMode}{en}%
  \beamer@scu@sectionbar=0.52\paperwidth%
\fi\fi

% 页眉样式定义.
\def\beamer@scu@tikz@headline#1#2#3{%
% #1: 辅助显示颜色.
% #2: 辅助显示颜色.
% #3: 辅助显示颜色.
  \begin{tikzpicture}[overlay, remember picture]
    \draw [fill=#1, draw=none] (current page.north east)%
      rectangle ++ (-.5em, -.8ex);
    \draw [fill=#3, draw=none] (current page.north east) ++ (0, -2ex)%
      rectangle ++ (-.5em, -3.5ex);
    \draw [fill=white, draw=none] (current page.north east) ++ (-.5em, 0)%
      rectangle ++ (-.5em, -.8ex);
    \draw [fill=black, draw=none] (current page.north east) ++ (-.5em, -2ex)%
      rectangle ++ (-.5em, -3.5ex);
    \draw [fill=#2, draw=none] (current page.north east) ++ (-1em, 0)%
      rectangle ++ (-\dimexpr1.1\paperwidth-\beamer@scu@sectionbar\relax, -.8ex);
    \draw [fill=#1, draw=none, rounded corners=2pt] (current page.north west) ++ (0, .15ex)%
      [turtle={%
        rt, fd=\beamer@scu@sectionbar,%
        rt=135, fd=6.6ex,%
        rt=45, fd=\dimexpr\beamer@scu@sectionbar-1.6em\relax,%
        home%
      }];

    \node [anchor=north west, xshift=.5em, yshift=-.1ex, align=left] at (current page.north west) {%
      \usebeamerfont{section in head/foot}\usebeamercolor[fg]{section in head/foot}%
      \if\EqualOptionsBeamer{LanguageMode}{cn}%
        \hskip-1em\insertsectionnavigationhorizontal{.69\paperwidth}{}{}%
      \else\if\EqualOptionsBeamer{LanguageMode}{en}%
        \insertsectionhead%
      \fi\fi%
    };
    \node [anchor=north east, xshift=-1.2em, yshift=-.5ex] at (current page.north east) {%
      \usebeamerfont{subsection in head/foot}\usebeamercolor[fg]{subsection in head/foot}%
      \insertsubsectionhead%
    };
    \node [anchor=north east, xshift=-1.2em, yshift=-3.75ex] at (current page.north east) {%
      \usebeamerfont{subsection in head/foot}\usebeamercolor[fg]{subsection in head/foot}%
      \insertsubsectionminiframes{1.8pt}{1.5pt}{1.2pt}\hspace*{.1em}%
    };
  \end{tikzpicture}%
}

% 计数器 - 幻灯页数.
\newcount\beamer@progressbar@currentframe% auxiliary counter
\newcount\beamer@progressbar@totalframe% auxiliary counter
% 长度.
\newdimen\beamer@progressbar@ht% progressbar height
\newdimen\beamer@progressbar@wd% progressbar width
\newdimen\beamer@progressbar@tmpdim% auxiliary dimension
% 设置长度.
\beamer@progressbar@ht=.4ex
\beamer@progressbar@wd=\dimexpr\paperwidth-10.5em\relax

% 进度条样式定义.
% #1: 未放映部分颜色.
% #2: 已放映部分颜色.
% #3: 辅助显示颜色.
\def\beamer@scu@tikz@progressbar#1#2#3{%
  \beamer@progressbar@currentframe=\insertframenumber%
  \beamer@progressbar@totalframe=\inserttotalframenumber%
  \beamer@progressbar@tmpdim=\beamer@progressbar@wd%
  \divide\beamer@progressbar@tmpdim by 1000%
  \multiply\beamer@progressbar@tmpdim by \beamer@progressbar@currentframe%
  \divide\beamer@progressbar@tmpdim by \beamer@progressbar@totalframe%
  \multiply\beamer@progressbar@tmpdim by 1000%
  \begin{tikzpicture}[very thin, overlay, remember picture]
    \draw [fill=#1, draw=none] (current page.south west)%
      rectangle ++ (1.5em, \beamer@progressbar@ht);
    \draw [fill=#3, draw=none] (current page.south west) ++ (0, 1.6ex)%
      rectangle ++ (1.5em, 1.4ex);
    \draw [fill=white, draw=none] (current page.south west) ++ (1.5em, 0)%
      rectangle ++ (.5em, \beamer@progressbar@ht);
    \draw [fill=black, draw=none] (current page.south west) ++ (1.5em, 1.6ex)%
      rectangle ++ (.5em, 1.4ex);
    \draw [fill=#1, draw=none] (current page.south west) ++ (2em, 0)%
      rectangle ++ (\beamer@progressbar@wd, \beamer@progressbar@ht);
    \draw [fill=#2, draw=none] (current page.south west) ++ (2em, 0)%
      rectangle ++ (\beamer@progressbar@tmpdim, \beamer@progressbar@ht);

    \node [anchor=south west, xshift=2.2em, yshift=0ex] at (current page.south west) {%
      \usebeamerfont{author in head/foot}\usebeamercolor[fg]{author in head/foot}%
      \insertshortauthor%
      \enspace\rule[-.2ex]{.25em}{2ex}\enspace%
      \usebeamerfont{title in head/foot}\usebeamercolor[fg]{title in head/foot}%
      \insertshorttitle%
    };
  \end{tikzpicture}%
}

% 设置页码显示为"x / total".
\def\insertfootlineframe{%
  \insertframenumber%
  \Acrobatmenu{GoToPage}{\beamer@linkspace{.275em}}%
  /\Acrobatmenu{GoToPage}{\beamer@linkspace{.275em}}%
  \inserttotalframenumber%
}

% 页脚样式定义.
% #1: 页码部分颜色.
% #2: Logo 部分颜色.
\def\beamer@scu@tikz@footline#1#2{%
  \begin{tikzpicture}[overlay, remember picture]
    \draw [fill=#1, draw=none, rounded corners=2pt] (current page.south east) ++ (-7.8em, -.15ex)%
      [turtle={%
        lt, fd=10em,%
        rt=135, fd=5.4ex,%
        rt=45, fd=8.4em,%
        home%
      }];
    \draw [fill=#2, draw=none, rounded corners=2pt] (current page.south east) ++ (0, -.15ex)%
      [turtle={%
        lt, fd=10em,%
        rt=135, fd=6ex,%
        rt=45, fd=8.4em,%
        home%
      }];

    \node [anchor=south east, xshift=-9.6em, yshift=-.8ex] at (current page.south east) {%
      \usebeamerfont{framenumber in head/foot}\usebeamercolor[fg]{framenumber in head/foot}%
      \insertfootlineframe%
    };
    \node [anchor=south east, xshift=-.78em, yshift=-.54ex] at (current page.south east) {%
      \pgfuseimage{lg}%
    };
  \end{tikzpicture}%
}
% ----------------


% ----------------
% Headline Layout
% Confirmed in v1.3a.
% 格式: SECTION (ALL) | NAME OF SCU.
% ----------------
\defbeamertemplate*{headline}{SCU headline theme}{%
  \begin{beamercolorbox}[wd=\paperwidth,ht=4ex]{}
    \beamer@scu@tikz@headline{PrimaryC}{SecondaryAuxiliaryC}{AuxiliaryC}%
  \end{beamercolorbox}%
}

\setbeamertemplate{headline}[SCU headline theme]
% ----------------


% ----------------
% Frametitle Layout
% Confirmed in v1.3a.
% 格式 - SUBSECTION & MINI-FRAMES OF SUBSECTION | FRAMETITLE.
% ----------------
%\pgfdeclarehorizontalshading[frametitle.bg,frametitle right.bg]%
%{beamer@frametitleshade}{\paperheight}%
%{%
%  color(0pt)=(frametitle.bg);%
%  color(\paperwidth)=(frametitle right.bg)
%}
\defbeamertemplate*{frametitle}{SCU theme}{%
  \ifx\insertframesubtitle\@empty%
    \begin{beamercolorbox}[wd=\paperwidth,ht=2.5ex,dp=.5ex]{}%{frametitle}
      \textcolor{SecondaryAuxiliaryC}{\rule[-.3ex]{.25em}{2ex}\enspace}%
      \usebeamerfont{frametitle}\usebeamercolor[fg]{frametitle}%
      \insertframetitle%
    \end{beamercolorbox}%
  \else%
    \begin{beamercolorbox}[wd=\paperwidth,ht=4.2ex,dp=.5ex]{}%{frametitle}
      \textcolor{SecondaryAuxiliaryC}{\rule[-.3ex]{.25em}{2ex}\enspace}%
      \usebeamerfont{frametitle}\usebeamercolor[fg]{frametitle}%
      \insertframetitle\par%
      \textcolor{SecondaryAuxiliaryC}{\rule[-.18ex]{.25em}{1.6ex}\enspace}%
      \usebeamerfont{framesubtitle}\usebeamercolor[fg]{framesubtitle}%
      \insertframesubtitle%
    \end{beamercolorbox}%
  \fi%
}

\setbeamertemplate{frametitle}[SCU theme]
% ----------------


% ----------------
% Footline Layout
% Confirmed in v1.3a.
% 格式: AUTHOR | INSTITUTE | DATE FRAMENUMBER.
% ----------------
\defbeamertemplate*{footline}{SCU footline theme}{%
  \begin{beamercolorbox}[wd=\paperwidth,ht=3ex]{}
    \beamer@scu@tikz@progressbar{AuxiliaryC}{PrimaryC}{IntersperseC}%
    \beamer@scu@tikz@footline{AuxiliaryC}{PrimaryC}%
  \end{beamercolorbox}%
}

\setbeamertemplate{footline}[SCU footline theme]
% ----------------


% ----------------
% Navigation Symbols Layout
% 格式: TITLE | NAVIGATION SYMBOLS.
% ----------------
%\addtobeamertemplate{footline}{%
%  \leavevmode%
%  \hbox{%
%    \begin{beamercolorbox}[wd=0.4\paperwidth,ht=3ex,dp=.75ex,right,rightskip=1.2em]{frametitle}%
%      \usebeamercolor[fg]{navigation symbols}\insertslidenavigationsymbol%
%      \insertframenavigationsymbol%
%      \insertsubsectionnavigationsymbol%
%      \insertsectionnavigationsymbol%
%      \insertdocnavigationsymbol%
%      \insertbackfindforwardnavigationsymbol%
%    \end{beamercolorbox}%
%  }}
% ----------------


% ----------------
% Title Page Layout
% ----------------
\setbeamertemplate{title page}%
{%

  \begin{beamercolorbox}[sep=0cm,right,wd=0.0001\paperwidth,ht=\titlepageheaderheight,%
    rightskip=\headingleftmargin]{pkured!5!white}
    \vskip0.0361\titlepageheaderheight
  \end{beamercolorbox}
  \begin{beamercolorbox}[center,wd=0.92\paperwidth,ht=\titlepagemaintitleblockheight,%
    rounded=true,shadow=true]{title}
    \usebeamerfont{title}\inserttitle
    \vskip\titlepagespaceunderdate%
    \usebeamerfont{subtitle}\insertsubtitle
    \vskip\titlepagespaceunderdate%
  \end{beamercolorbox}
  \vskip\titlepagespaceundername%
  \medskip%
  \begin{beamercolorbox}[center,wd=\paperwidth,ht=\titlepagenamedateblockheight]{white}
    \usebeamerfont{author}\insertauthor\\
    \vskip\titlepagespaceunderdate%
    %    \medskip%
    \usebeamerfont{institute}\insertinstitute\\
    \vskip\titlepagespaceunderdate%
    %    \medskip%
    \usebeamerfont{date}\insertdate \;\;
    \vskip\titlepagespaceunderdate%
  \end{beamercolorbox}%
  \begin{beamercolorbox}[center,wd=\paperwidth,ht=\titlepagefooterheight]{titlepagefooter}
  \end{beamercolorbox}

}
% ----------------


% ----------------
% Tcolorbox Style Layout
% Confirmed in v1.3a.
% 定义了多种 Tcolorbox 盒子的基础样式. 修改自 Tcolorbox 手册.
% ----------------
% 盒子基础样式定义.
% 普通盒子基础样式定义.
% #1: 关键字 - 样式类型.
% #2: 上部颜色.
% #3: 下部颜色.
\def\beamer@scu@tcbstyle#1#2#3{%
  \tcbset{tcb#1style/.style={%
    enhanced jigsaw,%
    arc=1.5mm,%
    toprule=1mm, leftrule=1mm,%
    boxsep=-.5mm,%
    left=1.8mm, right=2mm, top=2.5mm,%
    fonttitle=\normalsize\bfseries,%
    fontupper=\usebeamercolor[fg]{nomal text},%
    fontlower=\usebeamercolor[fg]{nomal text},%
    frame style={%
      upper left=#2, upper right=#2!50,%
      lower left=#3!50, lower right=#3%
    },%
    interior style={white, opacity=.8},%
    segmentation style={%
      black, solid,%
      opacity=.2, line width=1pt%
    },%
    breakable, break at=.78\textheight,%
    pad at break=.5ex
  }}%
}

% 定理盒子基础样式定义.
\def\beamer@scu@tcbstyletheo#1#2{%
% #1: 关键字 - 样式类型.
% #2: 颜色.
  \tcbset{tcb#1style/.style={empty,%
    attach boxed title to top left,%
    boxed title style={empty,%
%      colback=white!98!#2, opacityback=0.96, enhanced,%
%      fuzzy shadow={-0.2mm}{0.2mm}{0mm}{0.2mm}{white!90!#2},%
%      fuzzy shadow={0.2mm}{-0.2mm}{0mm}{0.2mm}{black!90!#2},%
      size=minimal,%
      toprule=2pt, top=4pt, left=1pt, right=1pt,%
      overlay={%
        \draw [#2, line width=2.5pt, rounded corners=1pt]%
          ([yshift=-1pt]frame.north west) -- ([yshift=-1pt]frame.north east);
        \draw [white!80!#2, line width=2.5pt, rounded corners=1pt]%
          ([xshift=.25em,yshift=-1pt]frame.north west)%
          -- ([xshift=.5em, yshift=-1pt]frame.north west);
      },%
    },%
    coltitle=#2!90!black, fonttitle=\normalsize\bfseries,%
    before=\par\medskip\noindent, vfill before first,%
    parbox=false, boxsep=0pt,%
    top=4pt, bottom=4pt, left=0pt, right=2mm,%
    fontupper=\usebeamercolor[fg]{nomal text},%
    fontlower=\usebeamercolor[fg]{nomal text},%
    breakable, break at=.78\textheight,%
    pad at break*=.5ex,%
    overlay unbroken={%
      \draw [#2, line width=1pt, rounded corners=1pt]%
        ([yshift=-1pt]title.north east)%
        -- ([xshift=-0.5pt,yshift=-1pt]title.north-|frame.east)%
        -- ([xshift=-0.5pt]frame.south east) -- (frame.south west);
      \draw [white!80!#2, line width=1pt, rounded corners=1pt]%
        ([xshift=2em]frame.south west) -- ([xshift=5em]frame.south west);
    },%
    overlay first={%
      \draw [#2, line width=1pt, rounded corners=1pt]%
        ([yshift=-1pt]title.north east)%
        -- ([xshift=-0.5pt,yshift=-1pt]title.north-|frame.east)%
        -- ([xshift=-0.5pt]frame.south east);
    },%
    overlay middle={%
      \draw [#2, line width=1pt, rounded corners=1pt]%
        ([xshift=-0.5pt]frame.north east) -- ([xshift=-0.5pt]frame.south east);
    },%
    overlay last={%
      \draw [#2, line width=1pt, rounded corners=1pt]%
        ([xshift=-0.5pt]frame.north east) -- ([xshift=-0.5pt]frame.south east)%
        -- (frame.south west);
      \draw [white!80!#2, line width=1pt, rounded corners=1pt]%
        ([xshift=2em]frame.south west) -- ([xshift=5em]frame.south west);
    }%
  }}%
}

% 代码盒子基础样式定义.
% #1: 关键字 - 样式类型.
% #2: 颜色.
\def\beamer@scu@tcbstylecode#1{%
  \tcbset{codestyle/.style={empty,%
    attach boxed title to top left,%
    boxed title style={empty,%
%      colback=white!98!#1, opacityback=0.96, enhanced,%
%      fuzzy shadow={-0.2mm}{0.2mm}{0mm}{0.2mm}{white!90!#1},%
%      fuzzy shadow={0.2mm}{-0.2mm}{0mm}{0.2mm}{black!90!#1},%
      size=minimal,%
      toprule=2pt, top=4pt, left=1pt, right=1pt,%
      overlay={%
        \draw [#1, line width=2.5pt, rounded corners=1pt]%
          ([yshift=-1pt]frame.north west) -- ([yshift=-1pt]frame.north east);
        \draw [white!80!#1, line width=2.5pt, rounded corners=1pt]%
          ([xshift=.25em,yshift=-1pt]frame.north west)%
          -- ([xshift=.5em, yshift=-1pt]frame.north west);
      },%
    },%
    coltitle=#1!90!black, fonttitle=\normalsize\bfseries,%
    before=\par\medskip\noindent, vfill before first,%
    parbox=false, boxsep=0pt,%
    top=4pt, bottom=4pt, left=1pt, right=2mm,%
    fontupper=\usebeamercolor[fg]{nomal text},%
    fontlower=\usebeamercolor[fg]{nomal text},%
    breakable, break at=.78\textheight,%
    pad at break*=.5ex,%\\
    listing only,%
    overlay unbroken={%
      \draw [#1, line width=1pt, rounded corners=1pt]%
        ([yshift=-1pt]title.north east)%
        -- ([xshift=-0.5pt,yshift=-1pt]title.north-|frame.east)%
        -- ([xshift=-0.5pt]frame.south east) -- (frame.south west);
      \draw [white!80!#1, line width=1pt, rounded corners=1pt]%
        ([xshift=2em]frame.south west) -- ([xshift=5em]frame.south west);
      \node [anchor=north east] at ([xshift=-1.5pt,yshift=-2pt]title.north-|frame.east) {%
        \textcolor{#1}{\normalsize ##1}%\faCode\faFileCodeO
      };
    },%
    overlay first={%
      \draw [#1, line width=1pt, rounded corners=1pt]%
        ([yshift=-1pt]title.north east)%
        -- ([xshift=-0.5pt,yshift=-1pt]title.north-|frame.east)%
        -- ([xshift=-0.5pt]frame.south east);
    },%
    overlay middle={%
      \draw [#1, line width=1pt, rounded corners=1pt]%
        ([xshift=-0.5pt]frame.north east) -- ([xshift=-0.5pt]frame.south east);
    },%
    overlay last={%
      \draw [#1, line width=1pt, rounded corners=1pt]%
        ([xshift=-0.5pt]frame.north east) -- ([xshift=-0.5pt]frame.south east)%
        -- (frame.south west);
      \draw [white!80!#1, line width=1pt, rounded corners=1pt]%
        ([xshift=2em]frame.south west) -- ([xshift=5em]frame.south west);
    }%
  }}
}

% 基础样式应用.
\beamer@scu@tcbstyle{rb}{scured}   {scublue}
\beamer@scu@tcbstyle{yg}{scuyellow}{scugreen}
\if\EqualOptionsBeamer{BlockDisplay}{colorful}%
  \beamer@scu@tcbstyletheo{theo}{PrimaryC}%
  \beamer@scu@tcbstyletheo{exa} {BlockExampleC}%
  \beamer@scu@tcbstyletheo{def} {BlockDefinitionC}%
  \beamer@scu@tcbstyletheo{lem} {BlockLemmaC}%
  \beamer@scu@tcbstyletheo{cond}{BlockConditionC}%
  \beamer@scu@tcbstylecode{PrimaryC}%
\else\if\EqualOptionsBeamer{BlockDisplay}{followtheme}%
  \beamer@scu@tcbstyletheo{theo}{PrimaryC}%
  \beamer@scu@tcbstyletheo{exa} {PrimaryC}%
  \beamer@scu@tcbstyletheo{def} {PrimaryC}%
  \beamer@scu@tcbstyletheo{lem} {PrimaryC}%
  \beamer@scu@tcbstyletheo{cond}{PrimaryC}%
  \beamer@scu@tcbstylecode{PrimaryC}%
\else\if\EqualOptionsBeamer{BlockDisplay}{allgrey}%
  \beamer@scu@tcbstyletheo{theo}{BlockExampleC}%
  \beamer@scu@tcbstyletheo{exa} {BlockExampleC}%
  \beamer@scu@tcbstyletheo{def} {BlockExampleC}%
  \beamer@scu@tcbstyletheo{lem} {BlockExampleC}%
  \beamer@scu@tcbstyletheo{cond}{BlockExampleC}%
  \beamer@scu@tcbstylecode{BlockExampleC}%
\fi\fi\fi
% ----------------


% ----------------
% Tcolorbox Layout
% Confirmed in v1.3a.
% 定义了两个渐变样式( rb 为红蓝渐变, yg 为黄绿渐变)的 Tcolorbox.
% #1: <可选>附加参数.
% #2: 标题.
% ----------------
\newtcolorbox{scutcbrb}[2][]{%
  tcbrbstyle, title={#2}, #1%
}
\newtcolorbox{scutcbyg}[2][]{%
  tcbygstyle, title={#2}, #1%
}
% ----------------


% ----------------
% Theorem Layout
% Confirmed in v1.3a.
% 使用 tcolorbox 重定义定理环境, 原始的不带 scu 前缀的定理环境仍可使用.
% ----------------
% 定理区块名称设置.
\if\EqualOptionsBeamer{LanguageMode}{cn}%
	\def\beamer@scu@theonametheorem    {定理}
	\def\beamer@scu@theonameexample    {例}
	\def\beamer@scu@theonamealgorithm  {算法}
	\def\beamer@scu@theonamedefinition {定义}
	\def\beamer@scu@theonameaxiom      {公理}
	\def\beamer@scu@theonameproperty   {性质}
	\def\beamer@scu@theonameproposition{命题}
	\def\beamer@scu@theonamelemma      {引理}
	\def\beamer@scu@theonamecorollary  {推论}
	\def\beamer@scu@theonamecondition  {条件}
	\def\beamer@scu@theonameconclusion {结论}
	\def\beamer@scu@theonameassumption {假设}
	\def\beamer@scu@theonameremark     {注}
	\def\beamer@scu@theonameproof      {证明}
	%
	\def\beamer@scu@theonametheorem@pl    {定理}
	\def\beamer@scu@theonameexample@pl    {例}
	\def\beamer@scu@theonamealgorithm@pl  {算法}
	\def\beamer@scu@theonamedefinition@pl {定义}
	\def\beamer@scu@theonameaxiom@pl      {公理}
	\def\beamer@scu@theonameproperty@pl   {性质}
	\def\beamer@scu@theonameproposition@pl{命题}
	\def\beamer@scu@theonamelemma@pl      {引理}
	\def\beamer@scu@theonamecorollary@pl  {推论}
	\def\beamer@scu@theonamecondition@pl  {条件}
	\def\beamer@scu@theonameconclusion@pl {结论}
	\def\beamer@scu@theonameassumption@pl {假设}
	\def\beamer@scu@theonameremark@pl     {注}
	\def\beamer@scu@theonameproof@pl      {证明}
\else\if\EqualOptionsBeamer{LanguageMode}{en}%
  \def\beamer@scu@theonametheorem    {Theorem}
  \def\beamer@scu@theonameexample    {Example}
  \def\beamer@scu@theonamealgorithm  {Algorithm}
  \def\beamer@scu@theonamedefinition {Definition}
  \def\beamer@scu@theonameaxiom      {Axiom}
  \def\beamer@scu@theonameproperty   {Property}
  \def\beamer@scu@theonameproposition{Proposition}
  \def\beamer@scu@theonamelemma      {Lemma}
  \def\beamer@scu@theonamecorollary  {Corollary}
  \def\beamer@scu@theonamecondition  {Condition}
  \def\beamer@scu@theonameconclusion {Conclusion}
  \def\beamer@scu@theonameassumption {Assumption}
  \def\beamer@scu@theonameremark     {Remark}
  \def\beamer@scu@theonameproof      {Proof}
  %
  \def\beamer@scu@theonametheorem@pl    {Theorems}
  \def\beamer@scu@theonameexample@pl    {Examples}
  \def\beamer@scu@theonamealgorithm@pl  {Algorithms}
  \def\beamer@scu@theonamedefinition@pl {Definitions}
  \def\beamer@scu@theonameaxiom@pl      {Axioms}
  \def\beamer@scu@theonameproperty@pl   {Properties}
  \def\beamer@scu@theonameproposition@pl{Propositions}
  \def\beamer@scu@theonamelemma@pl      {Lemmas}
  \def\beamer@scu@theonamecorollary@pl  {Corollaries}
  \def\beamer@scu@theonamecondition@pl  {Conditions}
  \def\beamer@scu@theonameconclusion@pl {Conclusions}
  \def\beamer@scu@theonameassumption@pl {Assumptions}
  \def\beamer@scu@theonameremark@pl     {Remarks}
  \def\beamer@scu@theonameproof@pl      {Proofs}
\fi\fi

% theorem, example, algorithm, definition, axiom, property, proposition, lemma, corollary, condition, conclusion, assumption 设置.
% 计数器 - 定理环境.
\newcounter{beamer@scu@theorem@count}
\newcounter{beamer@scu@example@count}
\newcounter{beamer@scu@algorithm@count}
\newcounter{beamer@scu@definition@count}
\newcounter{beamer@scu@axiom@count}
\newcounter{beamer@scu@property@count}
\newcounter{beamer@scu@proposition@count}
\newcounter{beamer@scu@lemma@count}
\newcounter{beamer@scu@corollary@count}
\newcounter{beamer@scu@condition@count}
\newcounter{beamer@scu@conclusion@count}
\newcounter{beamer@scu@assumption@count}
% 定理区块参数设置.
\def\beamer@scu@theo#1#2#3{%
% #1: 后缀 - 环境名称.
% #2: 前缀 - 样式类型.
% #3: 前缀 - 标签.
  % 无*环境.
  \DeclareTColorBox[use counter=beamer@scu@#1@count,%
  % ##1: <可选>附加参数 - Tcolorbox.
  % ##2: 标题.
  % ##3: <可选>模式选择 - 带 * 即不显示区块标题头.
  % ##4: <可选>后缀 - 标签.
  	number within=section, reset counter on overlays]%
  	{beamerscuoriginal#1}{ O{} m !s !O{} }{%
  		title={%
  			\IfBooleanTF{##3}{\ifstrempty{##2}{}{##2}}{%
  				\csname beamer@scu@theoname#1\endcsname%
  				~\thetcbcounter\ifstrempty{##2}{}{:~##2}%
  			}%
  		},%
  		IfValueT={##4}{label={#3\kvtcb@label@sep##4}},%
  		nameref={##2}, #2style, ##1%
  }%
  % 带*环境.
  \DeclareTColorBox[no counter]%
  % ##1: <可选>附加参数 - Tcolorbox.
  % ##2: 标题.
  % ##3: <可选>模式选择 - 带*即不显示区块标题头.
  % ##4: <可选>后缀 - 标签.
	  {beamerscuoriginal#1*}{ O{} m !s !O{} }{%
	  	title={%
	  		\IfBooleanTF{##3}{\ifstrempty{##2}{}{##2}}{%
	  			\csname beamer@scu@theoname#1\endcsname%
	  			\ifstrempty{##2}{}{:~##2}%
	  		}%
	  	},%
	  	IfValueT={##4}{label={#3\kvtcb@label@sep##4}},%
	  	nameref={##2}, #2style, ##1%
  }%
  \DeclareDocumentEnvironment{scu#1}%
  % ##1: <可选>模式选择 - 带 * 即不显示序号 (目前已实现带星号环境不参与计数器递进).
  % ##2: <可选>Overlay选择 - Beamer.
  % ##3: <可选>附加参数 - Tcolorbox.
  % ##4: 标题.
  % ##5: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % ##6: <可选>后缀 - 标签.
    { s D<>{1-} O{} m !s !O{} }{%
      \begin{actionenv}<##2>%
      \IfBooleanTF{##1}%
        {\IfBooleanTF{##5}%
        	{\begin{beamerscuoriginal#1*}[##3]{##4}*[##6]}%
        	{\begin{beamerscuoriginal#1*}[##3]{##4}[##6]}}%
        {\IfBooleanTF{##5}%
        	{\begin{beamerscuoriginal#1}[##3]{##4}*[##6]}%
        	{\begin{beamerscuoriginal#1}[##3]{##4}[##6]}}%
  		}{\IfBooleanTF{##1}%
				{\end{beamerscuoriginal#1*}}%
			  {\end{beamerscuoriginal#1}}%
			\end{actionenv}%
	}%
}
\beamer@scu@theo{theorem}    {tcbtheo}{theo}
\beamer@scu@theo{example}    {tcbexa} {exam}
\beamer@scu@theo{algorithm}  {tcbexa} {algo}
\beamer@scu@theo{definition} {tcbdef} {def}
\beamer@scu@theo{axiom}      {tcbtheo}{axio}
\beamer@scu@theo{property}   {tcbdef} {prope}
\beamer@scu@theo{proposition}{tcbdef} {propo}
\beamer@scu@theo{lemma}      {tcblem} {lemm}
\beamer@scu@theo{corollary}  {tcblem} {coro}
\beamer@scu@theo{condition}  {tcbcond}{cond}
\beamer@scu@theo{conclusion} {tcblem} {conc}
\beamer@scu@theo{assumption} {tcbcond}{assu}

% scuremark 设置.
% 计数器 - 定理环境.
\newcounter{beamer@scu@remark@count}
% 定理区块参数设置.
\DeclareTColorBox[use counter=beamer@scu@remark@count,%
% #1: <可选>附加参数 - Tcolorbox.
% #2: 标题.
% #3: <可选>后缀 - 标签.
  no counter]{beamerscuoriginalremark}{ O{} m !O{} }{%
    title={\beamer@scu@theonameremark%
      \ifstrempty{#2}{}{:~#2}%
    },%
    IfValueT={#3}{label={rema:#3}},%
    nameref={#2}, tcbexastyle, #1%
}
\DeclareDocumentEnvironment{scuremark}%
% #1: <可选>Overlay选择 - Beamer.
% #2: <可选>附加参数 - Tcolorbox.
% #3: 标题.
% #4: <可选>后缀 - 标签.
  { D<>{1-} O{} m !O{} }{%
    \begin{actionenv}<#1>%
    \begin{beamerscuoriginalremark}[#2]{#3}[#4]%
}{\end{beamerscuoriginalremark}\end{actionenv}}%

% scuproof 设置.
% 计数器 - 定理环境.
\newcounter{beamer@scu@proof@count}
% 定理区块参数设置.
\providecommand\pushQED{\def\beamer@qed}
\DeclareTColorBox[use counter=beamer@scu@proof@count,%
% #1: <可选>附加参数 - Tcolorbox.
% #2: 标题.
% #3: <可选>后缀 - 标签.
  no counter]{beamerscuoriginalproof}{ O{} m !O{} }{%
    title={% \@addpunct: Be intelligently omitted when punctuation is already present.
      \ifblank{#2}{\beamer@scu@theonameproof}{#2}\@addpunct{.}%
    },%
    IfValueT={#3}{label={rema:#3}},%
    nameref={#2}, tcbexastyle, #1%
}
\DeclareDocumentEnvironment{scuproof}%
% #1: <可选>Overlay选择 - Beamer.
% #2: <可选>附加参数 - Tcolorbox.
% #3: 标题.
% #4: <可选>后缀 - 标签.
  { D<>{1-} O{} m !O{} }{%
    \begin{actionenv}<#1>%
    \begin{beamerscuoriginalproof}[#2]{#3}[#4]%
    \pushQED{\qed}%
}{\popQED\end{beamerscuoriginalproof}\end{actionenv}}%
% Beamer 下原始 proof 环境.
%\renewenvironment<>{SCUproof}[1][证明]{%
%  \par
%  \def\insertproofname{#1\@addpunct{.}}%
%  \pushQED{\qed}
%  \usebeamertemplate{proof begin}#2}
%{\popQED\usebeamertemplate{proof end}}

% 智能引用名称定义.
\Crefname{beamer@scu@theorem@count}%
  {\beamer@scu@theonametheorem}%
  {\beamer@scu@theonametheorem@pl}
\Crefname{beamer@scu@example@count}%
  {\beamer@scu@theonameexample}%
  {\beamer@scu@theonameexample@pl}
\Crefname{beamer@scu@algorithm@count}%
  {\beamer@scu@theonamealgorithm}%
  {\beamer@scu@theonamealgorithm@pl}
\Crefname{beamer@scu@definition@count}%
  {\beamer@scu@theonamedefinition}%
  {\beamer@scu@theonamedefinition@pl}
\Crefname{beamer@scu@axiom@count}%
  {\beamer@scu@theonameaxiom}%
  {\beamer@scu@theonameaxiom@pl}
\Crefname{beamer@scu@property@count}%
  {\beamer@scu@theonameproperty}%
  {\beamer@scu@theonameproperty@pl}
\Crefname{beamer@scu@proposition@count}%
  {\beamer@scu@theonameproposition}%
  {\beamer@scu@theonameproposition@pl}
\Crefname{beamer@scu@lemma@count}%
  {\beamer@scu@theonamelemma}%
  {\beamer@scu@theonamelemma@pl}
\Crefname{beamer@scu@corollary@count}%
  {\beamer@scu@theonamecorollary}%
  {\beamer@scu@theonamecorollary@pl}
\Crefname{beamer@scu@condition@count}%
  {\beamer@scu@theonamecondition}%
  {\beamer@scu@theonamecondition@pl}
\Crefname{beamer@scu@conclusion@count}%
  {\beamer@scu@theonameconclusion}%
  {\beamer@scu@theonameconclusion@pl}
\Crefname{beamer@scu@assumption@count}%
  {\beamer@scu@theonameassumption}%
  {\beamer@scu@theonameassumption@pl}
\Crefname{beamer@scu@remark@count}%
  {\beamer@scu@theonameremark}%
  {\beamer@scu@theonameremark@pl}
\Crefname{beamer@scu@proof@count}%
  {\beamer@scu@theonameproof}%
  {\beamer@scu@theonameproof@pl}
% ----------------


% ----------------
% Listing Layout
% Confirmed in v1.3a.
% 定义了一个用作代码演示的 Listing, 和一个不带计数的 Listing.
% ----------------
% 代码区块名称设置.
\if\EqualOptionsBeamer{LanguageMode}{cn}%
  \def\beamer@scu@codename{源码}
  \def\beamer@scu@codename@pl{源码}
\else\if\EqualOptionsBeamer{LanguageMode}{en}%
  \def\beamer@scu@codename{Source Code}
  \def\beamer@scu@codename@pl{Source Codes}
\fi\fi

% scucode 设置.
% 计数器 - 定理环境.
\newcounter{beamer@scu@code@count}
% 定理区块参数设置.
\if\EqualOptionsBeamer{CodeDisplay}{minted}%
  \if\EqualOptionsBeamer{MintedStyle}{lightmode}%
    \def\minted@style{default}%
  \else\if\EqualOptionsBeamer{MintedStyle}{darkmode}%
    \def\minted@style{rrt}%
  \else\if\EqualOptionsBeamer{MintedStyle}{\beamer@scu@MintedStyle}%
    \def\minted@style{\beamer@scu@MintedStyle}
  \fi\fi\fi
  \renewcommand{\theFancyVerbLine}{%
    \sffamily\textcolor{PrimaryC}{%
      \tiny\oldstylenums{\arabic{FancyVerbLine}}%
  }}%
  \DeclareTCBListing[use counter=beamer@scu@code@count,%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 注释定界符.
    number within=section, reset counter on overlays]%
    {scucode}{ O{} m s O{} m !O{} !D''{||} }{%
      listing engine=minted,%
      minted style={\minted@style},%
      minted language={#5},%
      minted options={%
        autogobble, tabsize=2,%
        highlightcolor=HighlightCodeLineC,%
        beameroverlays, escapeinside=#7,%
        mathescape, texcl,%
        breaklines, breakbytokenanywhere,%
        linenos, numbersep=2pt,%
        fontsize=\scriptsize\ttfamily, #6%
      },%
      title={%
        \IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
          \beamer@scu@codename~\thetcbcounter%
          \ifstrempty{#2}{}{:~#2}%
        }%
      },%
      IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
      nameref={#2}, codestyle={\faCode}, #1%
  }%
  \DeclareTCBListing[no counter]%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 注释定界符.
	  {scucode*}{ O{} m s O{} m !O{} !D''{||} }{%
	  	listing engine=minted,%
	  	minted style={\minted@style},%
	  	minted language={#5},%
	  	minted options={%
	  		autogobble, tabsize=2,%
	  		highlightcolor=HighlightCodeLineC,%
	  		beameroverlays, escapeinside=#7,%
	  		mathescape, texcl,%
	  		breaklines, breakbytokenanywhere,%
	  		linenos, numbersep=2pt,%
	  		fontsize=\scriptsize\ttfamily, #6%
	  	},%
	  	title={%
	  		\IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
	  			\beamer@scu@codename\ifstrempty{#2}{}{:~#2}%
	  		}%
	  	},%
	  	IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
	  	nameref={#2}, codestyle={\faCode}, #1%
  }%
  \DeclareTCBInputListing[use counter=beamer@scu@code@count,%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 文件名.
  % #8: 注释定界符.
    number within=section, reset counter on overlays]%
    {\scucodeinput}{ O{} m s O{} m O{} m !D''{||} }{%
      listing file={./sourcecode/#7},%
      listing engine=minted,%
      minted style={\minted@style},%
      minted language={#5},%
      minted options={%
      	autogobble, tabsize=2,%
      	highlightcolor=HighlightCodeLineC,%
      	beameroverlays, escapeinside=#7,%
      	mathescape, texcl,%
      	breaklines, breakbytokenanywhere,%
      	linenos, numbersep=2pt,%
      	fontsize=\scriptsize\ttfamily, #6%
      },%
      title={%
      	\IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
      		\beamer@scu@codename~\thetcbcounter%
      		\ifstrempty{#2}{}{:~#2}%
      	}%
      },%
      before upper=\scriptsize{以下是文件\texttt{#7}中包含的源码:\vspace{.75ex}},%
      IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
      nameref={#2}, codestyle={\faFileCodeO}, #1%
  }
  \DeclareTCBInputListing[no counter]%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 文件名.
  % #8: 注释定界符.
	  {\scucodeinputnocounter}{ O{} m s O{} m O{} m !D''{||} }{%
	  	listing file={./sourcecode/#7},%
	  	listing engine=minted,%
	  	minted style={\minted@style},%
	  	minted language={#5},%
	  	minted options={%
	  		autogobble, tabsize=2,%
	  		highlightcolor=HighlightCodeLineC,%
	  		beameroverlays, escapeinside=#8,%
	  		mathescape, texcl,%
	  		breaklines, breakbytokenanywhere,%
	  		linenos, numbersep=2pt,%
	  		fontsize=\scriptsize\ttfamily, #6%
	  	},%
	  	title={%
	  		\IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
	  			\beamer@scu@codename\ifstrempty{#2}{}{:~#2}%
	  		}%
	  	},%
	  	before upper=\scriptsize{以下是文件\texttt{#7}中包含的源码:\vspace{.75ex}},%
	  	IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
	  	nameref={#2}, codestyle={\faFileCodeO}, #1%
  }
\else\if\EqualOptionsBeamer{CodeDisplay}{listing}%
  \DeclareTCBListing[use counter=beamer@scu@code@count,%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 注释定界符.
    number within=section, reset counter on overlays]%
    {scucode}{ O{} m s O{} m !O{} !D''{||} }{%
      listing engine=listings,%
      listing options={%
        language={#5},%
        breaklines, tabsize=2,%style=tcblatex,
        columns=flexible,%
        escapeinside=#7, texcl,%
        numberstyle=\tiny\color{PrimaryC}\oldstylenums,%
        basicstyle=\scriptsize\ttfamily,%
        keywordstyle=\color{scured},%
        commentstyle=\color{scugreen},%
        stringstyle=\color{scuyellow},%
        numbers=left, numbersep=2pt,%
        aboveskip=-2pt, belowskip=-2pt,%
        xrightmargin=-2pt,%
        extendedchars=true, #6%
      },%
      title={%
      	\IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
      		\beamer@scu@codename~\thetcbcounter%
      		\ifstrempty{#2}{}{:~#2}%
      	}%
      },%
      IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
      nameref={#2}, codestyle={\faCode}, #1%
  }%
  \DeclareTCBListing[no counter]%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 注释定界符.
	  {scucode*}{ O{} m s O{} m !O{} !D''{||} }{%
	  	listing engine=listings,%
	  	listing options={%
	  		language={#5},%
	  		breaklines, tabsize=2,%style=tcblatex,
	  		columns=flexible,%
	  		escapeinside=#7, texcl,%
	  		numberstyle=\tiny\color{PrimaryC}\oldstylenums,%
	  		basicstyle=\scriptsize\ttfamily,%
	  		keywordstyle=\color{scured},%
	  		commentstyle=\color{scugreen},%
	  		stringstyle=\color{scuyellow},%
	  		numbers=left, numbersep=2pt,%
	  		aboveskip=-2pt, belowskip=-2pt,%
	  		xrightmargin=-2pt,%
	  		extendedchars=true, #6%
	  	},%
	  	title={%
	  		\IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
	  			\beamer@scu@codename\ifstrempty{#2}{}{:~#2}%
	  		}%
	  	},%
	  	IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
	  	nameref={#2}, codestyle={\faCode}, #1%
  }%
  \DeclareTCBInputListing[use counter=beamer@scu@code@count,%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 文件名.
  % #8: 注释定界符.
	  number within=section, reset counter on overlays]%
	  {\scucodeinput}{ O{} m s O{} m O{} m !D''{||} }{%
	    listing file={./sourcecode/#7},%
	    listing engine=listings,%
	    listing options={%
	      language={#5},%
	      breaklines, tabsize=2,%style=tcblatex,
	      columns=flexible,%
	      escapeinside=#8, texcl,%
	      numberstyle=\tiny\color{PrimaryC}\oldstylenums,%
	      basicstyle=\scriptsize\ttfamily,%
	      keywordstyle=\color{scured},%
	      commentstyle=\color{scugreen},%
	      stringstyle=\color{scuyellow},%
	      numbers=left, numbersep=2pt,%
	      aboveskip=-2pt, belowskip=-2pt,%
	      xrightmargin=-2pt,%
	      extendedchars=true, #6%
	    },%
	    title={%
	    	\IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
	    		\beamer@scu@codename~\thetcbcounter%
	    		\ifstrempty{#2}{}{:~#2}%
	    	}%
	    },%
	    before upper=\scriptsize{以下是文件\texttt{#7}中包含的源码:\vspace{.75ex}},%
	    IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
	    nameref={#2}, codestyle={\faFileCodeO}, #1%
  }
  \DeclareTCBInputListing[no counter]%
  % #1: <可选>附加参数 - Tcolorbox.
  % #2: 标题.
  % #3: <可选>模式选择 - 带 * 即不显示区块标题前缀.
  % #4: <可选>后缀 - 标签.
  % #5: 抄录语言.
  % #6: <可选>附加参数 - minted.
  % #7: 文件名.
  % #8: 注释定界符.
	  {\scucodeinputnocounter}{ O{} m s O{} m O{} m !D''{||} }{%
	  	listing file={./sourcecode/#7},%
	  	listing engine=listings,%
	  	listing options={%
	  		language={#5},%
	  		breaklines, tabsize=2,%style=tcblatex,
	  		columns=flexible,%
	  		escapeinside=#8, texcl,%
	  		numberstyle=\tiny\color{PrimaryC}\oldstylenums,%
	  		basicstyle=\scriptsize\ttfamily,%
	  		keywordstyle=\color{scured},%
	  		commentstyle=\color{scugreen},%
	  		stringstyle=\color{scuyellow},%
	  		numbers=left, numbersep=2pt,%
	  		aboveskip=-2pt, belowskip=-2pt,%
	  		xrightmargin=-2pt,%
	  		extendedchars=true, #6%
	  	},%
	  	title={%
	  		\IfBooleanTF{#3}{\ifstrempty{#2}{}{#2}}{%
	  			\beamer@scu@codename\ifstrempty{#2}{}{:~#2}%
	  		}%
	  	},%
	  	before upper=\scriptsize{以下是文件\texttt{#7}中包含的源码:\vspace{.75ex}},%
	  	IfValueT={#4}{label={code\kvtcb@label@sep#4}},%
	  	nameref={#2}, codestyle={\faFileCodeO}, #1%
  }
\fi\fi

% 智能引用名称定义.
\Crefname{beamer@scu@code@count}%
  {\beamer@scu@codename}%
  {\beamer@scu@codename@pl}
% ----------------


% ----------------
% Automatic Frame Layout
% Confirmed in v1.1a.
% 以下设置自动帧输出, 含封页, 小节前目录页.
% ----------------
% 添加封页.
\AtBeginDocument{%
  \begingroup%
    \setbeamertemplate{background}{\pgfuseimage{bgoftitle}}%
    % 取消页眉残留空白.
    \vspace*{-\dimexpr\headheight+\topskip\relax}%
    \begin{frame}[plain]
      %\transfade 渐变
      \titlepage% 显示 titlepage.
    \end{frame}
  \endgroup%
}

% 定义目录输入命令.
\def\inserttableofcontent{
  \ifbeamer@scu@contentmuticols%
    \begin{multicols}{2}
      \tableofcontents[%
        sectionstyle=show/shaded,%
        subsectionstyle=show/shaded/hide,%
        subsubsectionstyle=show/shaded/hide]%
    \end{multicols}
  \else%
    \tableofcontents[%
      sectionstyle=show/shaded,%
      subsectionstyle=show/shaded/hide,%
      subsubsectionstyle=show/shaded/hide]%
  \fi%
}
% 小节前加目录.
\AtBeginSubsection[]{%
  \begingroup%
    \ifbeamer@scu@background%
      \setbeamertemplate{background}{\pgfuseimage{bgofsubsectoc}}%
    \fi%
    \if\EqualOptionsBeamer{LanguageMode}{cn}
	    \begin{frame}{目录}
	      \inserttableofcontent%
	    \end{frame}
    \else\if\EqualOptionsBeamer{LanguageMode}{en}
	    \begin{frame}{Outline}
	    	\inserttableofcontent%
	    \end{frame}
    \fi\fi
  \endgroup%
}
% ----------------


% ----------------
% Environment Break Layout
% 实现 tcolorbox 等环境的分页显示, 目前仍有 bug 如 tcolorbox 的阴影, 以及需要手动控制距离实现分页.
% 若内容长度未超过当页, 仍能正常显示.
% 代码来源于 https://tex.stackexchange.com/questions/509208/breakable-tcolorbox-inside-a-beamer-slide/.
% ----------------
\newsavebox{\mysavebox}
\newlength{\myrest}

\newlength{\Textheight}

\newif\iffirstframe
\firstframetrue

\newcommand\framenew[1]{%
\setlength{\Textheight}{#1\textheight}%
\ifdim\ht\mysavebox>\Textheight%
\setlength{\myrest}{\ht\mysavebox}%
\loop\ifdim\myrest>\Textheight%
\iffirstframe%
\firstframefalse%
\else%
\newpage\par\noindent%
\fi%
\clipbox{0 {\myrest-\Textheight} 0 {\ht\mysavebox-\myrest}}{\usebox{\mysavebox}}%
\addtolength{\myrest}{-\Textheight}%
\repeat%
\newpage\par\noindent%
\clipbox{0 0 0 {\ht\mysavebox-\myrest}}{\usebox{\mysavebox}}%
\else%
\usebox{\mysavebox}%
\fi}
% ----------------


% ----------------
% Ref Layout
% 重定义了 \vref & \cref 命令, 实现跳转.
% 重定义了页码计数器 page, 实现环境 frame 输出后值与计数器 framenumber 相同, 从而实现引用时页码不为 pdf 页码.
% 定义了中文下的 varioref 和 cleveref 包的显示项. (部分具体定义未知, 故未翻译)
% ----------------
% 重定义 \vref & \cref.
\let\soscref\cref % 储存 \cref 原始命令.
\let\sosvref\vref % 储存 \vref 原始命令.
\renewcommand{\cref}[1]{\hyperlink{#1}{\soscref{#1}}}
\renewcommand{\vref}[1]{\hyperlink{#1}{\sosvref{#1}}}

% 重定义计数器 page.
\AtBeginEnvironment{beamer@framepauses}{\setcounter{page}{\c@framenumber}}

% 定义 varioref 和 cleveref 包的中文显示项.
\if\EqualOptionsBeamer{LanguageMode}{cn}%
  \vref@addto\extraschinese{%
    \def\reftextfaceafter {见\reftextvario{对}{下}页}%
    \def\reftextfacebefore{见\reftextvario{对}{前}页}%
    \def\reftextafter     {见\reftextvario{下}{后}页}%
    \def\reftextbefore    {见\reftextvario{上}{前}页}%
    \def\reftextcurrent   {见\reftextvario{本}{此}页}%
    \def\reftextfaraway#1{见第\pageref{#1}~页}%
    \def\reftextpagerange#1#2{见第\pageref{#1}~到第\pageref{#2}~页}%
    \def\reftextlabelrange#1#2{\ref{#1}到~\ref{#2}}%
    \def\vrefformat#1#2{\ref{#2}（\vpageref[#1]{#2}）}%
    \def\Vrefformat#1#2{\Ref{#2}（\vpageref[#1]{#2}）}%
    \def\fullrefformat#1{\ref{#1}（\reftextfaraway{#1}）}%
    \def\vrefrangeformat#1#2#3{\reftextlabelrange{#2}{#3}%
      （\vpagerefrange[{#1}]{#2}{#3}）}%
  }
    %\cref@addlanguagedefs\extraschinese{%
    \newcommand{\crefrangeconjunction}{ 到\nobreakspace}%
    \newcommand\crefrangepreconjunction{}%
    \newcommand\crefrangepostconjunction{}%
    \newcommand{\crefpairconjunction}{ 和\nobreakspace}%
    \newcommand{\crefmiddleconjunction}{, }%
    \newcommand{\creflastconjunction}{ 和\nobreakspace}%
    \newcommand{\crefpairgroupconjunction}{ 和\nobreakspace}%
    \newcommand{\crefmiddlegroupconjunction}{, }%
    \newcommand{\creflastgroupconjunction}{, 和\nobreakspace}%
  % crefname
  \Crefname{framenumber}{幻灯}{幻灯}
  \Crefname{equation}{式}{式}%
  \Crefname{figure}{图}{图}%
  \Crefname{subfigure}{图}{图}%
  \Crefname{table}{表}{表}%
  \Crefname{subtable}{表}{表}%
  \Crefname{page}{页}{页}%
  \Crefname{part}{Part}{Parts}%
  \Crefname{chapter}{章}{章}%
  \Crefname{section}{节}{节}%
  \Crefname{subsection}{节}{节}%
  \Crefname{subsubsection}{节}{节}%
  \Crefname{appendix}{附录}{附录}%
  \Crefname{subappendix}{附录}{附录}%
  \Crefname{subsubappendix}{附录}{附录}%
  \Crefname{subsubsubappendix}{附录}{附录}%
  \Crefname{enumi}{点}{点}%
  \Crefname{enumii}{点}{点}%
  \Crefname{enumiii}{点}{点}%
  \Crefname{enumiv}{点}{点}%
  \Crefname{enumv}{点}{点}%
  \Crefname{footnote}{脚注}{脚注}%
  \Crefname{theorem}{定理}{定理}%
  \Crefname{lemma}{引理}{引理}%
  \Crefname{corollary}{推论}{推论}%
  \Crefname{proposition}{命题}{命题}%
  \Crefname{definition}{定义}{定义}%
  \Crefname{result}{结果}{结果}%
  \Crefname{example}{例}{例}%
  \Crefname{remark}{注}{注}%
  \Crefname{note}{注}{注}%
  \Crefname{algorithm}{算法}{算法}%
  \Crefname{listing}{代码}{代码}%
  \Crefname{line}{Line}{Lines}%
  %}
\else\if\EqualOptionsBeamer{LanguageMode}{en}%
  \PassOptionsToPackage{english}{cleveref}
  \Crefname{framenumber}{Slide}{Slides}
\fi\fi
% ----------------


% ----------------
% Bib Layout
% Confirmed in v1.1a.
% ----------------
% 设置参考文献脚注引用.
\newcommand{\footfullcitetext}[2][]{%
  \footnotetext{\fullcite[#1]{#2}}}
% ----------------


%%%% ----------------------------------------------------------------
\endinput
%%%% ----------------------------------------------------------------
% End of file `beamerthemescu.sty'.