missing.sty

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{missing}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 引入宏包
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\RequirePackage[inner=1.25in,outer=1in,vmargin=1in]{geometry}
\RequirePackage{cmbright}
\RequirePackage[quiet]{fontspec}
\RequirePackage{amsmath,amssymb}
\RequirePackage{relsize}
\RequirePackage{tabularray}
\RequirePackage{graphicx,float,wrapfig,caption}
\RequirePackage[x11names]{xcolor}
\RequirePackage{tikz,pdfpages}
\RequirePackage{tcolorbox}
\RequirePackage[fontset=none,zihao=false,scheme=chinese,heading=true,punct=kaiming]{ctex}
\RequirePackage{xeCJKfntef}
\RequirePackage[os=win]{menukeys}
\RequirePackage{pst-barcode}
\RequirePackage{ifplatform}
\RequirePackage{fancyvrb}
\RequirePackage{cprotect}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 部分宏包选项
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% TikZ 包
\usetikzlibrary{calc, shapes.geometric}

% tabularray 包
\UseTblrLibrary{booktabs, counter}

% tcolorbox 包
\tcbuselibrary{skins, raster, theorems, breakable, hooks, minted}
\tcbset{%
  listing engine          = minted,
  minted language         = C++,
  minted style            = colorful,
  default minted options  = {
    tabsize   = 4,
    autogobble,
    breaklines,
  },
}

% menukeys 包
\renewmenumacro{\keys}[+]{roundedkeys}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 格式
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% 《你缺计课》代表色
\definecolor[named]{missing}{HTML}{1876C9} % C88 M41 Y0 K21 
\definecolor[named]{MissingSkyBlue}{HTML}{BFECFB} % C24 M6 Y0 K2
\definecolor[named]{MissingAquamarine}{HTML}{6BECCD} % C55 M0 Y13 K7
\definecolor[named]{MissingRed}{HTML}{ED2200} % C0 M86 Y100 K7
\definecolor[named]{MissingOrange}{HTML}{FF8100} % C0 M49 Y100 K0
\definecolor[named]{MissingYellow}{HTML}{FFED3B} % C0 M7 Y76 K0
\definecolor[named]{MissingLightYellow}{HTML}{FFFFAD} % C0 M0 Y32 K0
\definecolor[named]{MissingGreen}{HTML}{2DAB41} % C74 M2 Y95 K0

\RequirePackage{fixfoot, xurl}
\RequirePackage{hyperref}
\hypersetup{
  % colorlinks,%
  % linkcolor=red!80!black,%
  bookmarksnumbered=true%
}
\renewcommand{\figurename}{图}
\renewcommand{\figureautorefname}{图}
\renewcommand{\tablename}{表}
\renewcommand{\tableautorefname}{表}
\newcommand{\chapref}[1]{%
  \tcbox[enhanced,tcbox raise base,left=0mm,right=0mm,top=0mm,bottom=0mm,boxsep=1mm,arc=1mm,colback=MissingLightYellow,frame hidden,nobeforeafter,hyperref={#1}]{\raisebox{.13ex}{\MissingIcons\larger\ref*{#1}} \nameref*{#1}}%
}

\RequirePackage{bookmark}

% 字体
\setmainfont{Inter}[Numbers = Monospaced]
\setsansfont{Inter}[Numbers = Monospaced]
\setmonofont{等距更纱黑体 Slab SC}
\newfontfamily\MissingIcons[ExternalLocation=resources/]{MissingIcons-Regular.otf}

\xeCJKsetup{
  underline/skip  = false,
  AutoFakeSlant   = true
}

\xeCJKDeclareSubCJKBlock{Icons}{"E001 -> "E781, "E783 -> "EC64, "EC6C -> "F8B3}
\xeCJKDeclareSubCJKBlock{Symbols}{"22EF, "2261, "278A -> "2793}
\xeCJKDeclareSubCJKBlock{Cross}{"2715}

\setCJKmainfont{思源黑体}[BoldFont=思源黑体 Bold, Icons=Segoe Fluent Icons, Mapping=quote, Symbols=思源黑体, Cross=等距更纱黑体 Slab SC]
\setCJKsansfont{思源黑体}[BoldFont=思源黑体 Bold, Icons=Segoe Fluent Icons, Mapping=quote, Symbols=思源黑体, Cross=等距更纱黑体 Slab SC]
\setCJKmonofont{等距更纱黑体 Slab SC}

% 如果单纯用 punct=kaiming，实际上部分句末点号的宽度还是撑不到 1em。
% 所以手动指派这三个句末点号的宽度好了。
\xeCJKsetwidth{。？！}{1em}
\xeCJKsetkern{」}{？}{1pt}
\xeCJKsetkern{】}{。}{1pt}

% 页眉页脚
\RequirePackage{fancyhdr}

\fancyhf{}
\fancyhead[OR]{\bfseries\color{missing}\rightmark}
\fancyhead[EL]{\bfseries\color{missing}\leftmark}
\fancyfoot[OR]{%
  \begin{tikzpicture}[remember picture, overlay]
    \fill[fill=MissingAquamarine] (current page.south east) rectangle +(-35mm, 22mm);
  \end{tikzpicture}%
  \bfseries\large\color{missing}\thepage
}
\fancyfoot[EL]{%
  \begin{tikzpicture}[remember picture, overlay]
    \fill[fill=MissingAquamarine] (current page.south west) rectangle +(35mm, 22mm);
  \end{tikzpicture}%
  \bfseries\large\color{missing}\thepage%
}
\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\headrule}{%
  {\if@fancyplain\let\headrulewidth\plainheadrulewidth\fi
  \color{missing}\hrule\@height\headrulewidth\@width\headwidth
  \vskip-\headrulewidth}%
}
\setlength{\headheight}{12.5pt}

\pagestyle{fancy}

% 目录
\renewcommand\@pnumwidth{2em}
\renewcommand\tableofcontents%
  {\renewcommand\thefootnote{\fnsymbol{footnote}}%
    \chapter{\contentsname%
    \protect\@mkboth{\contentsname}{\contentsname}}%
    \@starttoc{toc}%
    \addfontfeatures{RawFeature=-tnum}
    \renewcommand\thefootnote{\arabic{footnote}}%
}

% 抄来的「部分」的目录条目的样式
\renewcommand*\l@part[2]{%
  \ifnum \c@tocdepth >-2\relax
    \addpenalty{-\@highpenalty}%
    \addvspace{2.25em \@plus\p@}%
    \setlength\@tempdima{3em}%
    \begingroup
      \parindent \z@ \rightskip \@pnumwidth
      \parfillskip -\@pnumwidth
      \begin{tcolorbox}[
        colback=missing,
        colframe=missing,
        colupper=white,
        boxrule=0mm,
        right=0.5ex,
        left=0cm,
        arc=.5mm,
        width=\textwidth,
        enlarge top initially by=-1em,
        enlarge bottom finally by=-1em,
        grow to right by=0.3em,
        grow to left by=0.3em,
      ]
      \leavevmode
        \large \bfseries \vbox{\bfseries#1}%
        \hb@xt@.5ex{\hss #2}
      \end{tcolorbox}
      \vspace*{1ex}
      \nobreak
      \global\@nobreaktrue
      \everypar{\global\@nobreakfalse\everypar{}}%
    \endgroup
  \fi
}

%
% 部分、章节的标题
%

% 修复 \chapter* 的页眉问题

\renewcommand{\@schapter}[1]{%
  \CTEX@ifnamefalse
  \CTEX@makeanchor@schapter{\Hy@chapapp*}%
  \CTEX@gettitle{#1}%
  \chaptermark{#1}%
  \if@twocolumn
    \@topnewpage[\@makeschapterhead{#1}]%
  \else
    \@makeschapterhead{#1}%
    \@afterheading
  \fi
}

% 「部分」的格式

\newcommand{\partformat}[1]{
  \raggedright
  \tikz[remember picture,overlay] \node at (current page.center) {\includegraphics{assets/missing-parts-bg.pdf}};
  \hspace*{5cm}\parbox[t][19cm]{98mm}{#1}
}

\newcommand{\partaftername}{
  \CTEXifname{
    \par
    \begingroup
      \color{missing}
      \rule[4pt]{98mm}{1.6mm}
      \raggedleft\fontsize{24pt}{12pt}\selectfont
      PART \thepart\par
    \endgroup
    \vskip17mm
  }{
    \par
    \begingroup
      \color{missing}
      \rule[4pt]{98mm}{1.6mm}
      \raggedleft\fontsize{24pt}{12pt}\selectfont
      APPENDIX\par
    \endgroup
    \vskip17mm
  }
}

\def\partintro{}
\newcommand{\partaftertitle}{%
  \par\vskip40mm%
  \begingroup
    \ifx\partintro\empty
    \else
      \fontsize{14pt}{17pt}\normalfont\selectfont
      \begin{partintrobox}
        \partintro
      \end{partintrobox}
    \fi
  \endgroup
}

% 自定义图标

\newcounter{noheadchap}
\def\noheadsymb#1{\expandafter\@noheadsymb\csname c@#1\endcsname}
\def\@noheadsymb#1{%
  \ifcase#1%
    \or 0\or 1\or 2%
    \else\@ctrerr
  \fi
}
\renewcommand\thenoheadchap{\noheadsymb{noheadchap}}
\setcounter{noheadchap}{0}

\def\chaptersymb#1{\expandafter\@chaptersymb\csname c@#1\endcsname}
\def\@chaptersymb#1{%
  \ifcase#1%
    % 按照「部分」分割
    A\or B\or C\or D\or E\or F\or G\or% 第一部分
    H\or I\or J\or K\or L\or M\or% 第二部分
    N\or O\or P\or Q\or R\or S\or% 第三部分
    T\or U\or V\or W% 第四部分
    \else\@ctrerr
  \fi
}

% 「章节」的格式

\newcommand{\chapterformat}[1]{
  \CTEXifname{%
    \bfseries\raggedright#1%
  }{%
    \begin{tikzpicture}[remember picture, overlay]
      \fill[fill=missing] (current page.north east) -- +(0, -53.8mm) -- +(-140mm, -53.8mm) -- +(-140mm, 0) -- cycle;
      \fill[fill=MissingAquamarine] (current page.north west) -- +(0, -77mm) -- +(63mm, -77mm) -- +(88mm, 0) -- cycle;
      \draw[color=missing, line width=1.8pt] ($(current page.north west) + (31.8mm, -53.5mm)$) -- +(38.9mm, 0);
      \draw[color=MissingAquamarine, line width=1.8pt] ($(current page.north west) + (70.7mm, -53.5mm)$) -- +(114mm, 0);
    \end{tikzpicture}%
    \stepcounter{noheadchap}
    \bfseries\noindent
    \begingroup
      \Huge\raggedleft\color{white}
      \MissingIcons\thenoheadchap\par
    \endgroup
    \vskip6mm\relax%
    #1
  }
}

\newcommand{\chapternumberformat}[1]{\sbox0{#1}\chinese{chapter}}

\newcommand{\chapternameformat}[1]{%
  \begin{tikzpicture}[remember picture, overlay]
    \fill[fill=missing] (current page.north west) -- +(0, -53.8mm) -- +(88mm, -53.8mm) -- +(88mm, 0) -- cycle;
    \fill[fill=MissingAquamarine] (current page.north east) -- +(0, -77mm) -- +(-148mm, -77mm) -- +(-122mm, 0) -- cycle;
    \draw[color=MissingAquamarine, line width=1.8pt] ($(current page.north west) + (31mm, -53.5mm)$) -- +(39mm, 0);
    \draw[color=missing, line width=1.8pt] ($(current page.north west) + (70mm, -53.5mm)$) -- +(116mm, 0);
  \end{tikzpicture}%
  \huge\noindent\raggedleft\color{white}%
  \parbox{5.5em}{#1}
}

\newcommand{\chapteraftername}{\hspace*{3mm}%
  \begingroup\fontsize{28pt}{30pt}\selectfont\color{missing}\MissingIcons\chaptersymb{chapter}\par\endgroup%
  \vskip6mm\relax%
}

\ctexset{
  part = {
    pagestyle   = empty,
    format      = \partformat,
    nameformat  = \bfseries\fontsize{36pt}{38pt}\selectfont\noindent\color{missing},
    aftername   = \partaftername,
    titleformat = \bfseries\fontsize{64pt}{72pt}\selectfont\centering,
    aftertitle  = \partaftertitle,
  },
  chapter = {
    format      = \chapterformat,
    number      = \chaptersymb{chapter},
    numberformat= \chapternumberformat,
    nameformat  = \chapternameformat,
    aftername   = \chapteraftername,
    titleformat = \Huge\CTEXifname{\raggedleft}{\raggedright},
    beforeskip  = 18pt,
    tocline     = {\CTEXifname{\protect\numberline{第\chinese{chapter}章\hspace{.3em}}}{}#2},
  },
}

\renewcommand{\chaptermark}[1]{%
  \markboth{\CTEXifname{第\chinese{chapter}章}{}\hspace{1em}#1}{\CTEXifname{第\chinese{chapter}章}{}\hspace{1em}#1}%
}

% 切换到附录时要重定义许多东西
\let\oldappendix\appendix
\renewcommand{\appendix}{
  \oldappendix%
  \renewcommand{\chapternumberformat}[1]{\sbox0{##1}\Alph{chapter}}%
  \renewcommand{\chapteraftername}{\hspace*{3mm}%
    \begingroup\fontsize{28pt}{30pt}\selectfont\color{missing}\MissingIcons\alph{chapter}\par\endgroup%
    \vskip6mm\relax%
  }
  \ctexset{
    chapter = {
      number  = \appendixsymb{chapter},
      tocline = {\CTEXifname{\protect\numberline{附录 \Alph{chapter}\hspace{.3em}}}{}##2},
     }
  }
  \renewcommand{\chaptermark}[1]{%
    \markboth{\CTEXifname{附录 \Alph{chapter}}{}\hspace{1em}##1}{\CTEXifname{附录 \Alph{chapter}}{}\hspace{1em}##1}%
  }
}

% 把「部分导读」塞到 \part 里面
\let\oldpart\part
\RenewDocumentCommand\part{m+o}{
  \IfNoValueTF{#2}{%
    \def\partintro{}%
  }{%
    \def\partintro{#2}%
  }%
  \oldpart{#1}
  \def\partintro{}
}

% 列表
\renewcommand{\theenumii}{\Alph{enumii}}

% 禁止随意断词
\hyphenation{macOS}

% 禁止乱加空格
\let\oldtexttt\texttt
\def\clearglue{\xeCJKsetup{CJKecglue = {}}}
\def\restoreglue{\xeCJKsetup{CJKecglue = { }}}
\renewcommand{\texttt}[1]{
  \protect\clearglue
  \oldtexttt{#1}
  \protect\restoreglue
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 空白双数页
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\renewcommand{\cleardoublepage}
  {\clearpage
  \if@twoside
    \ifodd
      \c@page
    \else
      \hbox{}
      \thispagestyle{empty}
      \newpage
      \if@twocolumn
        \hbox{}
        \newpage
      \fi
    \fi
  \fi}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 自定义命令
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% 强调文字
\newcommand{\regcolor}[1]{\textbf{{\color{missing} #1}}}

% Windows 徽标
\newcommand\Windows{
  \begin{tikzpicture}[scale=1, menukeys key symbol, yshift=-.25ex]
    \draw[fill=black] (0,0) rectangle (.8ex, .8ex);
    \draw[fill=black] (1.1ex,0) rectangle (1.9ex, .8ex);
    \draw[fill=black] (0,1.1ex) rectangle (.8ex, 1.9ex);
    \draw[fill=black] (1.1ex,1.1ex) rectangle (1.9ex, 1.9ex);
  \end{tikzpicture}%
}
\newcommand\WindowsTen{
  \begin{tikzpicture}[scale=1.1, menukeys key symbol, yshift=.7ex]
    \draw[fill=black] (0.25ex,0) -- (.85ex, 0) -- (.85ex, .55ex) -- (0.25ex, .444ex) -- cycle;
    \draw[fill=black] (1.1ex,0) -- (1.95ex, 0) -- (1.95ex, .744ex) -- (1.1ex, .594ex) -- cycle;
    \begin{scope}[yshift=-.25ex]
      \draw[fill=black] (0.25ex,0) -- (.85ex, 0) -- (.85ex, -.55ex) -- (0.25ex, -.444ex) -- cycle;
      \draw[fill=black] (1.1ex,0) -- (1.95ex, 0) -- (1.95ex, -.744ex) -- (1.1ex, -.594ex) -- cycle;
    \end{scope}
  \end{tikzpicture}%
}

% 标题页
\renewcommand{\maketitle}{%
  \begin{titlepage}
    \pdfbookmark{标题页}{title}
    \thispagestyle{empty}
    \includepdf[pages=1]{assets/missing-cover.pdf}
    \clearpage
    \pdfbookmark{版权信息页}{copyright}
    \setlength{\parskip}{0.3cm}
    \setlength{\parindent}{0em}
    排版时间：\@date \\
    排版环境：
    \ifwindows
      Windows \\
    \fi
    \iflinux
      Linux \\
    \fi
    \ifmacosx
      macOS \\
    \fi
    内容提交哈希：\texttt{\input{chapters/commit}} \\
    小样提交哈希：\texttt{\input{.git/refs/heads/main}} \\
    \begin{pspicture}(2in,0.6in)
      \psbarcode[file]{.git/refs/heads/main}{height=0.4}{pdf417}
    \end{pspicture}
    \vfill
    \includegraphics[width=4cm]{assets/CC_sign.pdf}\par
    《你缺失的那门计算机课》开源 PDF 版\\版权所有 \textcopyright{} 2021--\the\year{} Hans Wan 和 Windy Deng。\vskip3mm\relax\par
    \setlength{\parskip}{0pt plus 1pt}
    \setlength{\parindent}{2em}
    《你缺失的那门计算机课》开源 PDF 版（下称「本作品」）中的所有原创内容及设计整体，除非特别说明，均以知识共享署名—非商业性使用—相同方式共享 4.0 协议国际版（CC BY-NC-SA 4.0）协议授权。要查看该许可协议，可访问 \url{https://creativecommons.org/licenses/by-nc-sa/4.0/deed.zh}。您可以在协议允许的范围内自由地分享、复制本作品的内容及基于本作品内容进行创作，但必须注明原作者和链接，并且不得用于任何商业目的。请参阅「二次创作指南」一章了解更多信息。\par
    \begin{danger}
      本作品可免费获取。如果您从任何渠道购买了此开源 PDF 版本，请尽快要求退款并向我们举报。本作品的实体书版本将由清华大学出版社正式出版，如有购买意向，敬请关注我们的网站获取最新资讯。
    \end{danger}
    本作品所有内容「按原样」提供，并且不含有任何明示或者暗示的担保。我们不保证本作品中任何部分的绝对正确。若您认为本文中叙述的内容与您从其他地方看到的不同甚至相悖，请遵循您自己的判断。本作品所涉及的知识和操作均基于 Windows 操作系统。如果您使用其他操作系统，本作品中的内容可能不适用。\par
    为便于进行讲解，本作品中使用了一些来自互联网的图片等素材，它们的具体来源和许可已在「借物表」一章中逐一列明。本作品中出现的所有商标、标志及相关知识产权，无论是否标注有 ® 或 ™ 及其他标识，均归属它们各自的权利持有人所有。引用这些商标或标志仅用于识别和介绍相关产品、服务或公司，并无意侵犯其商标或版权。本作品为了教学和演示目的，提及并展示了一些计算机软件。这些软件的所有权利均归各自的版权所有者所有。\par
    \clearpage
  \end{titlepage}
}%

% 练习
\newcommand{\practice}{\section*{练习 \thechapter}\addcontentsline{toc}{section}{练习 \thechapter}}

% 自定义盒子
\newtcolorbox{note}{
  enhanced,
  colback=MissingSkyBlue,
  colframe=missing,
  toprule=0pt,
  bottomrule=0pt,
  leftrule=11mm,
  rightrule=0pt,
  arc=2.5mm,
  height from=1.2cm to 30cm,
  left=3mm,
  right=3mm,
  valign=center,
  breakable=true,
  before upper={\parindent2em},
  frame code app={%
    \node[regular polygon, regular polygon sides=6, color=white, fill, draw, line width=8pt, line join=round, minimum size=.8cm, rotate=90, yscale=.7333] at ($(frame.west) + (5.2mm,0)$) {};
    \draw[color=missing, line width=2pt, line cap=round] ($(frame.west) + (5.2mm,0) - (36:.38)$) -- +(36:.76);
    \node[color=missing] at ($(frame.west) + (5.2mm,0) + (120:.23)$) {\bfseries\Large?};
    \node[color=missing] at ($(frame.west) + (5.2mm,0) - (130:.25)$) {\bfseries\Large!};
  },
  extras broken={%
    overlay={%
      \node[regular polygon, regular polygon sides=6, color=white, fill, draw, line width=8pt, line join=round, minimum size=.8cm, rotate=90, yscale=.7333] at ($(frame.west) + (5.2mm,0)$) {};
      \draw[color=missing, line width=2pt, line cap=round] ($(frame.west) + (5.2mm,0) - (36:.38)$) -- +(36:.76);
      \node[color=missing] at ($(frame.west) + (5.2mm,0) + (120:.23)$) {\bfseries\Large?};
      \node[color=missing] at ($(frame.west) + (5.2mm,0) - (130:.25)$) {\bfseries\Large!};
    },
  },
}

\newtcolorbox{quoting}{
  enhanced,
  colback=MissingLightYellow,
  frame hidden,
  enlarge top initially by=2mm,
  enlarge bottom finally by=2mm,
  left=3mm,
  right=3mm,
  arc=2.5mm,
  before upper={\parindent2em},
  overlay={
    \node[color=gray] at ($(frame.north west) + (0,-8mm)$) {\fontsize{70pt}{70pt}“};
    \node[color=gray] at ($(frame.south east) + (0,-6mm)$) {\fontsize{70pt}{70pt}”};
  },
}

\newtcolorbox{partintrobox}{
  enhanced,
  colback=MissingAquamarine,
  frame hidden,
  left=1ex,
  right=1ex,
  top=1.2ex,
  bottom=1.2ex,
  text width=100mm,
  grow to right by=12mm,
  grow to left by=-12mm,
  arc=2.5mm,
  before upper={\parindent2em},
}

\newtcolorbox{intro}{
  enhanced,
  colback=MissingSkyBlue,
  colframe=missing,
  colbacktitle=MissingSkyBlue,
  coltitle=missing,
  sharp corners=northwest,
  enlarge top initially by=-1cm,
  left=3mm,
  right=3mm,
  attach boxed title to top left={yshift=-.5mm},
  boxed title style={
    skin=enhancedfirst jigsaw,
    boxrule=.5mm,
  },
  fonttitle=\bfseries\large,
  title=本章导览,
  before upper={\parindent2em},
}

\newtcolorbox{warning}{
  enhanced,
  breakable=true,
  top=3mm,
  left=3mm,
  right=3mm,
  colframe=MissingOrange,
  colback=white,
  colbacktitle=MissingOrange,
  coltext=MissingOrange,
  coltitle=white,
  attach boxed title to top left={xshift=.5cm, yshift=-\tcboxedtitleheight/2},
  fonttitle=\bfseries,
  fontupper=\bfseries,
  boxed title style={
    top=-1mm,
    bottom=-1mm,
    left=1mm,
    right=0mm,
  },
  title={
    \tikz {
      \draw[rounded corners=.5pt, line width=.8pt, draw=black, fill=MissingYellow] (0,0) -- (0:10pt) -- (60:10pt) -- cycle;
      \draw[line width=1pt, line cap=round, draw=black] (5pt,3pt) -- (5pt,6pt);
      \fill[black] (5pt,1.5pt) circle [radius=.7pt];
      \node[color=white] at (25pt, 4.7pt) {\bfseries 注意};
    }
  },
  before upper={\parindent2em},
}

\newtcolorbox{danger}{
  enhanced,
  breakable=true,
  top=3mm,
  left=3mm,
  right=3mm,
  colframe=MissingRed,
  colback=white,
  colbacktitle=MissingRed,
  coltext=MissingRed,
  coltitle=white,
  attach boxed title to top center={yshift=-\tcboxedtitleheight/2},
  fonttitle=\bfseries,
  fontupper=\bfseries,
  boxed title style={
    top=-1mm,
    bottom=-1mm,
    left=1mm,
    right=0mm,
  },
  title={
    \tikz {
      \draw[rounded corners=.5pt, line width=.8pt, draw=black, fill=MissingYellow] (0,0) -- (0:10pt) -- (60:10pt) -- cycle;
      \draw[line width=1pt, line cap=round, draw=black] (5pt,3pt) -- (5pt,6pt);
      \fill[black] (5pt,1.5pt) circle [radius=.7pt];
      \node[color=white] at (25pt, 4.7pt) {\bfseries 警告};
    }
  },
  before upper={\parindent2em},
}

\NewTotalTCBox{\MissingTT}{ m }{%
  fontupper=\ttfamily,
  nobeforeafter,
  tcbox raise base,
  arc=0pt,
  outer arc=0pt,
  top=0pt,
  bottom=0pt,
  left=0mm,
  right=0mm,
  leftrule=0pt,
  rightrule=0pt,
  toprule=0.3mm,
  bottomrule=0.3mm,
  boxsep=0.5mm,
  colback=MissingSkyBlue,
  colframe=missing,
  before upper={\clearglue},
  after upper={\restoreglue},
}{%
  \vphantom{六}#1%
}

\NewTotalTCBox{\MissingVerb}{ v }{%
  fontupper=\ttfamily,
  nobeforeafter,
  tcbox raise base,
  arc=0pt,
  outer arc=0pt,
  top=0pt,
  bottom=0pt,
  left=0mm,
  right=0mm,
  leftrule=0pt,
  rightrule=0pt,
  toprule=0.3mm,
  bottomrule=0.3mm,
  boxsep=0.5mm,
  colback=MissingSkyBlue,
  colframe=missing,
  before upper={\clearglue},
  after upper={\restoreglue},
}{%
  \vphantom{六}#1%
}

\NewTCBListing{MissingVerbatim}{s O{text} O{0pt}}{%
  breakable,
  IfBooleanTF = {#1}
    {enforce breakable}
    {},
  break at = #3,
  enhanced,
  arc=0pt,
  left=3mm,
  right=3mm,
  leftrule=0pt,
  rightrule=0pt,
  toprule=0.3mm,
  bottomrule=0.3mm,
  colback=MissingSkyBlue,
  colframe=missing,
  listing only,
  minted language = #2,
  before upper={\clearglue},
  after upper={\restoreglue},
}