fix: 全局引入PdfViewer 的CSS，否则，样式不对，文本层无法渲染，直接作为turn.js渲染页面，优化选中效果。

index.html

@@ -9,6 +9,8 @@
       content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"
     />
     <title>PDF阅读器</title>
+     <!-- pdf相关 - 放在最后确保优先级 -->
+    <link rel="stylesheet" type="text/css" href="/pdfjs-dist/web/pdf_viewer.css" />
     <script src="/pdfjs-dist/build/pdf.js"></script>
     <script src="/pdfjs-dist/web/pdf_viewer.js"></script>
     <!-- 引入jQuery -->

package.json

@@ -15,7 +15,6 @@
     "element-plus": "^2.9.8",
     "lodash": "^4.17.21",
     "modernizr": "^3.6.0",
-    "pdfjs-dist": "^5.4.54",
     "turn.js": "^1.0.5",
     "vant": "^4.9.19",
     "vue": "^3.5.13",