remove thm env indent & tailing '.'; add thm numbers; slightly changed proof env

beamerthemeSimple.sty

@@ -2,8 +2,8 @@
 %
 % This file may be distributed and/or modified
 % under the LaTeX Project Public License
-\usepackage{libertine}
+\usepackage[sfdefault]{FiraSans}
-\RequirePackage[chinese, provide=*]{babel}
+\RequirePackage[english]{babel}
 \RequirePackage{fancyhdr}        % header footer
 \RequirePackage{xcolor}
 \RequirePackage{bookmark}
@@ -20,32 +20,10 @@
 \RequirePackage{subcaption}
 \RequirePackage{amsmath}
 \RequirePackage{amsthm}
-% \RequirePackage[utf8]{inputenc}
+\RequirePackage[utf8]{inputenc}
-% \RequirePackage{CJKutf8}
+\RequirePackage{CJKutf8}
-% \def\zh#1{\begin{CJK}{UTF8}{gbsn}#1\end{CJK}}
+\def\zh#1{\begin{CJK}{UTF8}{gbsn}#1\end{CJK}}
-% \RequirePackage{aliascnt}
+\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 
 
 % a color box
 \RequirePackage[breakable, theorems, skins]{tcolorbox}
@@ -157,15 +135,14 @@
 % 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 +151,7 @@
 \setbeamertemplate{proof begin}{%
 {\vspace{5pt}
 \usebeamercolor[fg]{block title}
-\textit{Proof.}}
+\textit{\textbf{Proof:}}}
 }
 \setbeamertemplate{proof end}{
 \qedhere

main.tex

@@ -1,8 +1,8 @@
 \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}
+\author{\texorpdfstring{\zh{丛宇}}{Yu Cong}}
 % \AtBeginSection[]{
 %     \frame{\frametitle{Outline}\tableofcontents[currentsection, 
 %     subsectionstyle=show/show/shaded]}
@@ -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}
+\section{Problems \& Definitions}
-\begin{frame}{$\min \sum f_i(a_i\cdot x-b_i)$ 中文测试}
+\begin{frame}{$\min \sum f_i(a_i\cdot x-b_i)$}
-\begin{problem} regular 中文 jjjfff
+\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}