Latex 参考样式 - “标题”字段中的所有字母均使用小写字母排版

Question

\documentclass[12pt,a4paper,titlepage]{article}
\usepackage[a4paper, total={6.5in, 8.5in}]{geometry} 

\usepackage[numbers]{natbib}
\bibliographystyle{unsrtnat}

\usepackage{amsmath} 
\usepackage{amssymb}
\numberwithin{equation}{section}
\usepackage{graphicx}
\graphicspath{ {./Images/} }
\usepackage{tikz}
\usepackage{siunitx}
\DeclareUnicodeCharacter{2009}{\,} 
\DeclareUnicodeCharacter{03B8}{\theta}
\DeclareUnicodeCharacter{039B}{\Lambda}
\DeclareUnicodeCharacter{03B1}{\alpha}
\newcommand{\gsim}{\gtrsim}
\newcommand{\lsim}{\lesssim}
\usepackage[export]{adjustbox}
\usepackage[utf8]{inputenc}
\usepackage{float}
\usepackage{url}
\usepackage[normalem]{ulem}
\usepackage{xurl}
\usepackage[colorlinks,allcolors=blue]{hyperref}
\usepackage{multirow}
\begin{document}

something \cite{Riess_2019} something \cite{aiola2020atacama}

\bibliography{References}
\end{document}


@article{Riess_2019,
title={Large Magellanic Cloud Cepheid Standards Provide a 1\% Foundation for the Determination of the Hubble Constant and Stronger Evidence for Physics beyond $\Lambda$CDM},
volume={876},
url={http://dx.doi.org/10.3847/1538-4357/ab1422},
number={1},
journal={The Astrophysical Journal},
publisher={American Astronomical Society},
author={Riess, Adam G. and Casertano, Stefano and Yuan, Wenlong and Macri, Lucas M. and Scolnic, Dan},
year={2019},
month={May},
pages={85}
}

@misc{aiola2020atacama,
  title={The Atacama Cosmology Telescope: DR4 Maps and Cosmological Parameters}, 
  author={Simone Aiola and others},
  year={2020},
  eprint={2007.07288},
  archivePrefix={arXiv},
  primaryClass={astro-ph.CO}
}

这就是它的样子

正如您在参考代码中看到的，每个单词都以大写字母开头，但这不是 PDF 中的样子。那么我该如何修复它呢？