制作如图所示的部分样式

Question

我需要设计一个如下所示的部分：

奇数页和偶数页都遵循此规则。到目前为止，我已经这样做了：

\documentclass{tufte-book}

\usepackage{xcolor} % for colour
\usepackage{lipsum} % just for sample text

\setcounter{secnumdepth}{2}

% section format
\titleformat{\section}%
  {\normalfont\Large\itshape\color{orange}}% format applied to label+text
  {\llap{\colorbox{orange}{\parbox{1.5cm}{\hfill\color{white}\thesection}}}}% label
  {1em}% horizontal separation between label and title body
  {}% before the title body
  []% after the title body


\begin{document}

\chapter{Chapter}
\lipsum[1]
\section{Section}
\lipsum[1]
\subsection{Sub section}
\lipsum[1]

\end{document}

但它需要一些编辑。

Answer 1

这是一个解决方案，仅适用于单行部分标题：

\documentclass{tufte-book}
\geometry{showframe, twoside}
\usepackage{xcolor} % for colour
\usepackage{lipsum} % just for sample text
\AtBeginDocument{\PassOptionsToPackage{explicit, calcwidth, pagestyles}{titlesec}}
\setcounter{secnumdepth}{2}
%
\usepackage{etoolbox}
\newlength\outermargin
\newlength\innermargin
\setlength{\innermargin}{1in}
\setlength{\outermargin}{\dimexpr\paperwidth-\textwidth-\innermargin\relax}
\titleformat{\section}%
 {\normalfont\Large\itshape\color{orange}\setlength\fboxrule{0.8pt}}% format applied to label+text
 {\llap{\colorbox{orange}{\makebox[\outermargin][r]{\raisebox{0pt}[\dimexpr\height+\fboxrule][\dimexpr\depth+\fboxrule]%
 {\vphantom{lp}\color{white}\bfseries\thesection\enspace}}}}}% label
 {0pt}% horizontal separation between label and title body
{\rlap{\hspace{-\fboxrule}\framebox[\dimexpr\linewidth + 2\fboxrule\relax][l]{\vphantom{lp}}\colorbox{orange}{\makebox[\outermargin][r]{\raisebox{0pt}[\dimexpr\height+\fboxrule][\dimexpr\depth+\fboxrule]%
 {\vphantom{lp}}}}}\hspace{1cm}}% before the title body
[]

 \begin{document}

\chapter{Chapter}
\lipsum[1]
\section{Section}
\lipsum[1]
\subsection{Sub section}
\lipsum[1]
\section{Another section}

\end{document}