style: 调整全局样式

web/src/index.tsx

@@ -4,7 +4,8 @@ import ReactDOM from 'react-dom';
 import { App } from './App';
 
 import 'antd/dist/antd.css';
-import './styles/antd.less';
+import './styles/antd/index.less';
 import 'tailwindcss/tailwind.css';
+import './styles/global.less';
 
 ReactDOM.render(<App />, document.querySelector('#app'));

web/src/styles/global.less

@@ -0,0 +1,3 @@
+.dark {
+  color: rgba(255,255,255,0.85);
+}