% !TeX program = lualatex
\documentclass{article}
\usepackage{amsmath}
\usepackage{hyperref}

\newcommand{\greet}[1]{Hello, #1!}

\begin{document}
\section{RikkaHub}
\label{sec:intro}

\greet{Rikka}
\[
  E = mc^2,\qquad
  \sum_{n=1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6}.
\]

\href[page=1]{https://example.com}
\verb|inline { text }|

\begin{verbatim}
\notHighlighted{value}
\end{verbatim}

\end{document}
