谁能告诉我如何创建这样的盒子？

Question

我是 Latex 新手，我需要制作一个与此完全一样的框。我试过使用 tcolorbox，但它看起来和

这是我目前所拥有的

 \documentclass[oneside]{article}
 \usepackage[utf8]{inputenc}
 \usepackage[most]{tcolorbox}
 \begin{document}
 \definecolor{main}{HTML}{5989cf}
 \definecolor{sub}{HTML}{cde4ff}
 \tcbset{sharp corners, colback = white, before skip = 0.2cm, after skip = 0.5cm }
 \newtcolorbox{boxH}{ colback = sub, colframe = main, boxrule = 0pt, leftrule = 6pt % left rule weight 
   }
 \begin{boxH}
   \textsf{\textbf{Claim}} -- We can prove. 
 \end{boxH}
 \begin{tcolorbox}[colback=red!5!white,colframe=red!75!black] 
   \textsf{\textbf{Claim}} -- We can prove $a<b$ 
 \end{tcolorbox}
 \end{document}

Answer 1

\documentclass[12pt]{article}

\usepackage[most]{tcolorbox}

\newtcolorbox{colorb}{
enhanced,
boxrule=0pt,frame hidden,
borderline west={2pt}{0pt}{green!50!black},
colback=green!05!white,
sharp corners
}

\begin{document}


\begin{colorb}
\textcolor{green!50!black}{\textbf{\textsf{Claim --}}} The only such function is $f(x)=0$.
\end{colorb}

\end{document}