修改项目全局的字体颜色为黑色

src/style.css

@@ -69,6 +69,8 @@ button:focus-visible {
   margin: 0 auto;
   padding: 2rem;
   text-align: center;
+  color: black;
+  font-family: 'SourceHanSansCN-Normal';
 }
 
 @media (prefers-color-scheme: light) {