update

main.tex

@@ -39,7 +39,7 @@
 \usepackage{xcolor}
 
 % A dedicated "Examples" block (optional convenience wrapper)
-\newtcolorbox{examples}{%
+\newtcolorbox{examples}[1][Example]{%
   enhanced,
   breakable,
   colback=white,
@@ -50,7 +50,7 @@
   arc=1.5mm,
   left=1.2mm,right=1.2mm,top=1.0mm,bottom=1.0mm,
   fonttitle=\bfseries,
-  title=Examples
+  title=#1
 }