feat: prepare Zhinian desktop pilot

src/pages/Chat/ChatMessage.tsx

@@ -126,8 +126,8 @@ export const ChatMessage = memo(function ChatMessage({
     >
       {/* Avatar */}
       {!isUser && (
-        <div className="mt-1 flex h-8 w-8 shrink-0 items-center justify-center rounded-full border border-sky-100 bg-[#ECFBFF] shadow-sm dark:border-white/10 dark:bg-slate-900">
-          <img src={assistantLogo} alt="智念助手" className="h-7 w-7 rounded-full" />
+        <div className="mt-1 flex h-8 w-8 shrink-0 items-center justify-center rounded-lg border border-[#D5E8F3]/80 bg-white/70 shadow-sm dark:border-white/10 dark:bg-slate-900">
+          <img src={assistantLogo} alt="智念助手" className="h-7 w-7 rounded-lg" />
         </div>
       )}
 
@@ -383,11 +383,11 @@ function MessageBubble({
   return (
     <div
       className={cn(
-        'relative rounded-2xl px-4 py-3',
+        'relative rounded-lg px-4 py-3',
         !isUser && 'w-full',
         isUser
-          ? 'bg-[#0a84ff] text-white shadow-sm'
-          : 'bg-black/5 dark:bg-white/5 text-foreground',
+          ? 'bg-[#0369A1] text-white shadow-[0_10px_22px_rgba(3,105,161,0.12)]'
+          : 'border border-slate-200/70 bg-white/70 text-foreground dark:border-white/10 dark:bg-white/5',
       )}
     >
       {isUser ? (