refactor(layout): 优化Google Analytics集成和代码结构

改进marketing layout中的Google Analytics实现和整体代码组织

- 添加条件渲染以仅在环境变量存在时加载Google Analytics
- 重新排序导入语句以提高可读性
- 格式化代码以提高一致性和可读性
- 添加环境变量日志输出用于调试
- 调整组件属性格式以提高可读性

src/app/[locale]/(marketing)/layout.tsx

@@ -1,12 +1,12 @@
+import { GoogleAnalytics } from "@next/third-parties/google";
+import { useTranslations } from "next-intl";
 import { unstable_setRequestLocale } from "next-intl/server";
 
+import { getDocsConfig } from "@/config/docs";
+import { getMarketingConfig } from "@/config/marketing";
 import { NavMobile } from "@/components/layout/mobile-nav";
 import { NavBar } from "@/components/layout/navbar";
 import { SiteFooter } from "@/components/layout/site-footer";
-import { getMarketingConfig } from "@/config/marketing";
-import { useTranslations } from "next-intl";
-import { getDocsConfig } from "@/config/docs";
-import { GoogleAnalytics } from '@next/third-parties/google'
 
 interface MarketingLayoutProps {
   children: React.ReactNode;
@@ -24,17 +24,33 @@ export default function MarketingLayout({
   const docsConfig = getDocsConfig(t);
 
   const translations = {
-    adminPanel: t('Dashboard.sidebar.adminPanel'),
-    dashboard: t('Dashboard.sidebar.dashboard'),
-    login: t('Marketing.login'),
-    signUp: t('Marketing.signUp'),
+    adminPanel: t("Dashboard.sidebar.adminPanel"),
+    dashboard: t("Dashboard.sidebar.dashboard"),
+    login: t("Marketing.login"),
+    signUp: t("Marketing.signUp"),
   };
 
+  console.log(
+    "NEXT_PUBLIC_GOOGLE_ANALYTICS: ",
+    process.env.NEXT_PUBLIC_GOOGLE_ANALYTICS,
+  );
+
   return (
     <div className="flex min-h-screen flex-col">
-      <GoogleAnalytics gaId={process.env.NEXT_PUBLIC_GOOGLE_ANALYTICS || ''} />
-      <NavMobile marketingConfig={marketingConfig} docsConfig={docsConfig} translations={translations} />
-      <NavBar scroll={true} marketingConfig={marketingConfig} docsConfig={docsConfig} translations={translations} />
+      {process.env.NEXT_PUBLIC_GOOGLE_ANALYTICS && (
+        <GoogleAnalytics gaId={process.env.NEXT_PUBLIC_GOOGLE_ANALYTICS} />
+      )}
+      <NavMobile
+        marketingConfig={marketingConfig}
+        docsConfig={docsConfig}
+        translations={translations}
+      />
+      <NavBar
+        scroll={true}
+        marketingConfig={marketingConfig}
+        docsConfig={docsConfig}
+        translations={translations}
+      />
       <main className="flex-1">{children}</main>
       <SiteFooter />
     </div>