update font packages; add .latexmkrc for xelatex support

.latexmkrc

@@ -0,0 +1,5 @@
+$pdf_mode = 1;              # 生成PDF
+$latex = 'xelatex %O %S';   # 用 xelatex 替代 latex
+$pdflatex = 'xelatex %O %S'; # 用 xelatex 替代 pdflatex
+$dvi_mode = 0;              # 禁用DVI输出
+$postscript_mode = 0;       # 禁用PS输出

beamerthemeSimple.sty

@@ -1,13 +1,19 @@
-% Copyright 2018 by Zhibo Wang
-%
-% This file may be distributed and/or modified
-% under the LaTeX Project Public License
-\usepackage{libertine}
-\RequirePackage[chinese, provide=*]{babel}
+% !TEX program = xelatex
+% !TEX TS-program = xelatex
+% fonts
+\RequirePackage[sfdefault]{FiraSans}
+\RequirePackage{FiraMono} 
+\renewcommand{\rmfamily}{\sffamily}
+\RequirePackage[fakebold]{firamath-otf}
+\RequirePackage{xeCJK}
+\setCJKmainfont{Source Han Sans SC}
+
+\RequirePackage[english]{babel}
 \RequirePackage{fancyhdr}        % header footer
-\RequirePackage{xcolor}
+\RequirePackage[dvipsnames]{xcolor}
 \RequirePackage{bookmark}
 \RequirePackage{hyperref}[colorlinks=true,urlcolor=Blue,citecolor=Green,linkcolor=BrickRed,unicode]
+\RequirePackage{natbib}
 \RequirePackage{graphicx} % Allows including images
 \RequirePackage{booktabs} % Allows the use of \toprule, \midrule and \bottomrule in tables
 % \RequirePackage{tikz}
@@ -23,29 +29,7 @@
 % \RequirePackage[utf8]{inputenc}
 % \RequirePackage{CJKutf8}
 % \def\zh#1{\begin{CJK}{UTF8}{gbsn}#1\end{CJK}}
-% \RequirePackage{aliascnt}
-\RequirePackage{ctex}
-\RequirePackage{fontspec}
-\RequirePackage{xeCJK}
-% infact italic and BoldItalic fonts are missing
-\setCJKmainfont{LXGWNeoZhiSong}[
-  Path=./fonts/,
-  Extension = .ttf,
-  UprightFont=*,
-  BoldFont=*,
-  ItalicFont=*,
-  BoldItalicFont=*
-]
-\setCJKsansfont{LXGWWenKai}[
-  Path=./fonts/,
-  Extension = .ttf,
-  UprightFont=*-Regular,
-  BoldFont=*-Bold,
-  ItalicFont=*-Regular,
-  BoldItalicFont=*-Regular,
-]
-\XeTeXlinebreaklocale "zh" 
-\XeTeXlinebreakskip = 0pt plus 1pt 
+\RequirePackage{aliascnt}
 
 % a color box
 \RequirePackage[breakable, theorems, skins]{tcolorbox}
@@ -147,7 +131,7 @@
 \setbeamercolor{alerted text}{fg=beamer@simple@color}
 \setbeamerfont{block title alerted}{series=\mdseries}
 \setbeamerfont{alerted text}{series=\bfseries\boldmath}
-\hypersetup{colorlinks,linkcolor=,urlcolor=oliver}
+\hypersetup{colorlinks=true,linkcolor=,citecolor=Green,urlcolor=oliver}
 % \usefonttheme[onlymath]{serif}
 \setbeamerfont{frametitle}{series=\bfseries\boldmath}
 \setbeamerfont{block title}{series=\bfseries\boldmath}
@@ -157,15 +141,14 @@
 % theorem env
 \setbeamertemplate{theorem begin}{%
 {
-  \vspace{5pt}
+  \vspace{5pt}%
   \usebeamerfont*{block title}%
-  \selectfont
+  \selectfont%
   \usebeamercolor[fg]{block title}%
-  \textbf{
+  \textbf{%
   \inserttheoremname
-  % \inserttheoremnumber
+  \inserttheoremnumber
   \ifx \inserttheoremaddition \empty \else\ [\inserttheoremaddition]\fi
-  \inserttheorempunctuation
   }
 }
 }
@@ -174,7 +157,7 @@
 \setbeamertemplate{proof begin}{%
 {\vspace{5pt}
 \usebeamercolor[fg]{block title}
-\textit{Proof.}}
+\textit{\textbf{Proof:}}}
 }
 \setbeamertemplate{proof end}{
 \qedhere

main.tex

@@ -1,6 +1,6 @@
 \documentclass{beamer}
 
-\title[中文测试]{Minimizing the Sum of Piecewise Linear Convex Functions - 这是很长很长很长很长的兼有中文和英文的标题}
+\title[template example]{Minimizing the Sum of Piecewise Linear Convex Functions}
 \date{\today}
 \author{丛宇}
 % \AtBeginSection[]{
@@ -17,13 +17,13 @@
     \titlepage
 \end{frame}
 
-\begin{frame}[plain]{计划}
+\begin{frame}[plain]{Plan}
     \tableofcontents
 \end{frame}
 
-\section{Problems \& Definitions 问题定义}
-\begin{frame}{$\min \sum f_i(a_i\cdot x-b_i)$ 中文测试}
-\begin{problem} regular 中文 jjjfff
+\section{Problems \& Definitions}
+\begin{frame}{$\min \sum f_i(a_i\cdot x-b_i)$}
+\begin{problem}
     Given $n$ piecewise linear convex functions $f_1,...,f_n:\R \to \R$ of total $m$ breakpoints, and $n$ linear functions $a_i\cdot x-b_i:\R^d\to \R$, find $\min_x \sum_i f_i(a_i\cdot x-b_i)$.
 \end{problem}
 \begin{figure}