fix: 修复 Docker 镜像中字体和静态资源 404

- CI: 完善 artifact 复制逻辑，确保字体、logo 等文件被正确复制
- fontLoader: 使用 import.meta.env.BASE_URL 支持子路径部署

Made-with: Cursor

Author: safe1ine

.github/workflows/build.yml

@@ -74,10 +74,12 @@ jobs:
           elif [ -d _build/dist ]; then
             cp -r _build/dist frontend/docker/
           else
-            # artifact 可能把内容解压到根目录
             mkdir -p frontend/docker/dist
-            cp -r index.html assets frontend/docker/dist/ 2>/dev/null || (echo "Artifact structure:" && find . -maxdepth 3 -type d && exit 1)
+            for f in index.html assets captcha ppt; do [ -e "$f" ] && cp -r "$f" frontend/docker/dist/; done
+            cp -r *.ttf *.png *.jpg *.svg *.txt *.js *.wasm frontend/docker/dist/ 2>/dev/null || true
+            [ -f frontend/docker/dist/index.html ] || (echo "Artifact structure:" && find . -maxdepth 3 -type d && exit 1)
           fi
+          ls -la frontend/docker/dist/ | head -25
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3

frontend/src/utils/fontLoader.ts

@@ -24,7 +24,8 @@ export const preloadFonts = async (): Promise<boolean> => {
 
   const fontPromises = fontVariants.map((variant: FontVariant) => {
     return new Promise<void>((resolve, reject) => {
-      const font = new FontFace('Google Sans Code', `url(/${variant.file})`, {
+      const base = (import.meta as { env?: { BASE_URL?: string } }).env?.BASE_URL ?? '/'
+      const font = new FontFace('Google Sans Code', `url(${base}${variant.file})`, {
         weight: variant.weight,
         style: variant.style
       });