feat: make the title golden in Ultra mode

frontend/src/components/workspace/welcome.tsx

@@ -1,11 +1,13 @@
 "use client";
 
 import { useSearchParams } from "next/navigation";
-import { useEffect } from "react";
+import { useEffect, useMemo } from "react";
 
 import { useI18n } from "@/core/i18n/hooks";
 import { cn } from "@/lib/utils";
 
+import { AuroraText } from "../ui/aurora-text";
+
 let waved = false;
 
 export function Welcome({
@@ -17,6 +19,13 @@ export function Welcome({
 }) {
   const { t } = useI18n();
   const searchParams = useSearchParams();
+  const isUltra = useMemo(() => mode === "ultra", [mode]);
+  const colors = useMemo(() => {
+    if (isUltra) {
+      return ["#efefbb", "#e9c665", "#e3a812"];
+    }
+    return ["var(--color-foreground)"];
+  }, [isUltra]);
   useEffect(() => {
     waved = true;
   }, []);
@@ -33,11 +42,9 @@ export function Welcome({
         ) : (
           <div className="flex items-center gap-2">
             <div className={cn("inline-block", !waved ? "animate-wave" : "")}>
-              👋
-            </div>
-            <div className={cn(mode === "ultra" && "golden-text")}>
-              {t.welcome.greeting}
+              {isUltra ? "🚀" : "👋"}
             </div>
+            <AuroraText colors={colors}>{t.welcome.greeting}</AuroraText>
           </div>
         )}
       </div>

frontend/src/core/i18n/locales/zh-CN.ts

@@ -49,7 +49,7 @@ export const zhCN: Translations = {
   welcome: {
     greeting: "你好，欢迎回来！",
     description:
-      "欢迎使用 🦌 DeerFlow，一个完全开源的超级智能体。通过内置和\n自定义的 Skills，DeerFlow 可以帮你搜索网络、分析数据，\n还能为你生成幻灯片、网页等作品，几乎可以做任何事情。",
+      "欢迎使用 🦌 DeerFlow，一个完全开源的超级智能体。通过内置和自定义的 Skills，\nDeerFlow 可以帮你搜索网络、分析数据，还能为你生成幻灯片、\n图片、视频、播客及网页等，几乎可以做任何事情。",
 
     createYourOwnSkill: "创建你自己的 Agent SKill",
     createYourOwnSkillDescription: