\documentclass[a4paper]{article}
\input{notes-macros}

% Locked skeleton (see references/pedagogy.md):
% \section{这篇论文在问什么}
% \section{主张与贡献}          % \splabel{C*}
% \section{预备：定义、假设、符号}
% % --- outline-chosen mechanism sections ---
% \section{实验与证据}            % optional
% \section{总结与延伸}
% \appendix
% \section{符号表}                % \input{sections/symbols.tex}
% \section{推导链一览}
% \section{图表清单}
%
% Formula: Chinese motive, then \[ / align, then a flat symbol list.
% Keep figures outside knowledgebox / importantbox / warningbox / quotebox.
% Do not \usepackage{superfig|supertensor|superderive}.

\begin{document}

\begin{titlepage}
\centering
\vspace{1.2cm}
{\huge\bfseries \notetitle\par}
\vspace{0.8cm}
{\large \noteauthors\par}
\vspace{0.3cm}
{\large \notedate\par}
\vspace{1.2cm}
\begin{tcolorbox}[width=0.9\textwidth, colback=black!2!white, colframe=black!60, sharp corners]
\textbf{论文}：\notepaper\par
\textbf{venue}：\notevenue\par
\textbf{arXiv}：\notearxiv\par
\end{tcolorbox}
\end{titlepage}

\tableofcontents
\newpage

\input{sections/sec-01.tex}

\end{document}