\begin{figure}[htbp] \centering \fbox{\parbox{0.6\textwidth}{\centering \vspace{2cm} Example Image (Replace with \texttt{\textbackslash includegraphics}) \vspace{2cm}}} \caption{A sample figure placeholder. The caption uses SFNS as well.} \label{fig:sample} \end{figure}
% !TEX program = xelatex \documentclass[11pt, a4paper]{article} sfns font
\section{Conclusion}
Figure~\ref{fig:sample} shows how a simple figure integrates into the document. \begin{figure}[htbp] \centering \fbox{\parbox{0
We can also write matrices: \[ \mathbf{A} = \begin{pmatrix} a_{11} & a_{12} \\ a_{21} & a_{22} \end{pmatrix}. \] sfns font
% Additional useful packages \usepackage[utf8]{inputenc} \usepackage{microtype} % Better typography \usepackage{geometry} % Page margins \geometry{margin=1in} \usepackage{graphicx} % For figures \usepackage{amsmath, amssymb} % Math \usepackage{enumitem} % Custom lists \usepackage{hyperref} % Clickable links
\begin{document}