feat: 完善出海商机管道快速录入、RTL服务端首屏渲染与AI顾问留资动效闭环

backend/src/modules/card/service/seo.ts

@@ -406,8 +406,10 @@ export class CardSeoService extends BaseService {
       },
     };
 
+    const isRtl = this.isRtlLocale(card.suggestedLocale);
+
     return `<!DOCTYPE html>
-<html lang="${escapeHtml(lang)}">
+<html lang="${escapeHtml(lang)}"${isRtl ? ' dir="rtl"' : ''}>
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />