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next.config.mjs

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+/** @type {import('next').NextConfig} */
+
+// 如需部署到子路径（如 GitHub Pages），设置 basePath
+// 例如：const basePath = "/your-repo-name";
+const basePath = "";
+
+const nextConfig = {
+  // output: "export",  // 静态导出模式，部署时取消注释
+  basePath,
+  assetPrefix: basePath,
+  images: {
+    unoptimized: true,
+  },
+  trailingSlash: true,
+  env: {
+    NEXT_PUBLIC_BASE_PATH: basePath,
+  },
+};
+
+export default nextConfig;