答案1
根据你提供的信息,我可以回答
\documentclass[10pt]{article}
\usepackage{lipsum}
\usepackage{titlesec}
\usepackage{indentfirst}
\DeclareRobustCommand{\makesc}[1]{\textsc{#1}}
\newlength{\mylength}
\setlength{\mylength}{\the\parindent}
\titleformat{\section}[hang]
{\fontsize{11}{13}\selectfont}
{\makebox[\mylength][l]{\Roman{section}.}}
{0pt}
{\makesc}
\titlespacing{\section}{0pt}{\baselineskip}{.3\baselineskip}
\begin{document}
\section{Lorem Ipsum}
\lipsum[1]
\section{Lorem Ipsum}
\lipsum[1]
\end{document}
这使: