docs: optimize usage tips (#3553)

* docs: 优化使用注意事项显示

* docs: 更新英文文档

Author: RSS1102

site/docs/getting-started.en-US.md

@@ -25,7 +25,10 @@ npm i tdesign-vue@naruto  // for Vue 2.7
   Vue.use(TDesign);
 </script>
 ```
-> Please note that unpkg usage is not recommended as it will download the entire component library. Production projects will be directly affected by version updates, and may also be affected by the stability of the CDN.
+
+<div style="background: #fff5e4; display: flex; align-items: center; line-height: 20px; padding: 14px 24px; border-radius: 3px; color: #555a65;margin:16px 0">
+   Please note that we do not recommend this approach, as production projects will be directly affected by version updates and may also be affected by the stability of the CDN.
+</div>
 
 The package of tdesign-vue provides kinds of bundles, read [the documentation](https://github.com/Tencent/tdesign/blob/main/docs/develop-install.md) for the detail of differences between bundles.
 

site/docs/getting-started.md

@@ -35,7 +35,10 @@ npm i tdesign-vue@naruto  // 在 Vue 2.7 使用
   Vue.use(TDesign);
 </script>
 ```
-> 请注意，我们不推荐使用这种方式，这样无法实现按需加载等优化手段，生产项目会直接受版本更新影响，同时也可能受到 CDN 的稳定性的影响。
+
+<div style="background: #fff5e4; display: flex; align-items: center; line-height: 20px; padding: 14px 24px; border-radius: 3px; color: #555a65;margin:16px 0">
+   请注意，我们不推荐使用这种方式，生产项目会直接受版本更新影响，同时也可能受到 CDN 的稳定性的影响。
+</div>
 
 npm package 中提供了多种构建产物，可以阅读 [这里](https://github.com/Tencent/tdesign/blob/main/docs/develop-install.md) 了解不同目录下产物的差别。