\documentclass{article}

\usepackage{tikz}
\usepackage{xcolor}
\usepackage{graphicx} 

\definecolor{bg@main}{RGB}{254,216,71}
\definecolor{bg@second}{RGB}{249,241,179}
\definecolor{bg@third}{RGB}{247,234,156}
\definecolor{text@main}{RGB}{254,216,71}
\definecolor{text@second}{RGB}{2,49,102}
\definecolor{text@third}{RGB}{162,148,65}

\usepackage{times,fontawesome5}
\usepackage[paperwidth=16.51cm, paperheight=24.77cm]{geometry}

\def\maketitle{%
	\newgeometry{margin=0pt}
	\begin{titlepage}
		\begin{tikzpicture}[remember picture, overlay]
			\def\textnode[#1]#2;{
				\node[anchor=west, align=left, #1] #2;
			}
			\fill[left color=bg@second] (current page.north west) rectangle (current page.south east);
			\fill[bg@main] (current page.south east) rectangle ++(-0.9\paperwidth, 0.69\paperheight) coordinate (t1);
			\fill[bg@third] (t1) rectangle ++(-0.1\paperwidth, -0.137\paperheight);
			
			\draw[white, very thick] (current page.north west) ++ (.1\paperwidth, 0) -- ++ (0, -\paperheight);
			\draw[white, very thick] (current page.north west) ++ (0, -.31\paperheight) -- ++ (\paperwidth, 0);
			\draw[white, very thick] (current page.north west) ++ (0, -.447\paperheight) -- ++ (.1\paperwidth, 0);
			
			\textnode[text=text@third, font=\LARGE] at ([xshift=0.1\paperwidth + 0.75cm, yshift=-0.75cm]current page.north west) {Graduate Text in Mathematics};
			\textnode[text=text@main, scale=5, anchor=north east] at (current page.north east) {GTM};
			\textnode[text=text@second, anchor=south west, scale=2.4] at ([xshift=0.75cm]t1) {Mathematician Analysis};
			\textnode[text=text@second, anchor=north west, scale=7] at ([xshift=0cm]t1) {Introduction \\ to Real \\ Analysis};
			% 插入自定义图片并调整
			\node[anchor=south east] at ([shift={(-1cm,1cm)}]current page.south east) {
				\begin{minipage}[b][1.5cm][c]{1.5cm}
					\includegraphics[width=\linewidth]{Springer-logo.png}
				\end{minipage}
				\begin{minipage}[b][1.5cm][c]{3cm}
					\centering \normalsize Springer
				\end{minipage}
			};
		\end{tikzpicture}
	\end{titlepage}
	\restoregeometry
}

\begin{document}
	\maketitle
\end{document}