feat(ui): improve blog list and terminal mockup responsiveness

- Make terminal mockup full width on all screen sizes
- Add empty state handling for blog list with visual feedback
- Maintain consistent styling across language versions

src/components/blog/BlogList.astro

@@ -72,7 +72,8 @@ const readMoreText = lang === 'zh' ? '阅读更多' : 'Read More';
 ---
 
 <div class="space-y-6">
-  {posts.map((post, index) => (
+  {posts.length > 0 ? (
+    posts.map((post, index) => (
       <article class="group">
         <div class="bg-card/50 backdrop-blur-sm rounded-2xl overflow-hidden border border-border hover:border-purple-500/50 transition-all duration-300 hover:transform hover:scale-[1.02]">
           <div class="flex flex-col md:flex-row">
@@ -145,7 +146,29 @@ const readMoreText = lang === 'zh' ? '阅读更多' : 'Read More';
           </div>
         </div>
       </article>
-  ))}
+    ))
+  ) : (
+    <div class="flex flex-col items-center justify-center py-20 text-center bg-card/30 backdrop-blur-sm rounded-2xl border border-border p-8 min-h-[300px]">
+      <svg class="w-16 h-16 text-purple-500/70 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253"></path>
+      </svg>
+      <p class="text-xl text-muted-foreground mb-4">
+        {lang === 'zh' ? '暂无博客文章' : 'No blog posts yet'}
+      </p>
+      <p class="text-sm text-muted-foreground/70 mb-6 max-w-md">
+        {lang === 'zh' ? '我们正在努力创作新的内容，请稍后再来查看。' : 'We are working on creating new content. Please check back later.'}
+      </p>
+      <a 
+        href={`/${lang === 'en' ? '' : 'zh/'}`}
+        class="px-4 py-2 bg-purple-500/10 hover:bg-purple-500/20 text-purple-500 rounded-full transition-colors duration-200 flex items-center"
+      >
+        <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18"></path>
+        </svg>
+        {lang === 'zh' ? '返回首页' : 'Back to Home'}
+      </a>
+    </div>
+  )}
 </div>
 
 <style>

src/pages/index.astro

@@ -109,7 +109,7 @@ const pageTitle = t('site.title');
         </div>
 
         <!-- Terminal mockup -->
-        <div class="max-w-4xl mx-auto">
+        <div class="max-w-full mx-auto">
           <div class="bg-gray-900/90 backdrop-blur-sm rounded-lg border border-gray-700/50 shadow-2xl overflow-hidden">
             <!-- Terminal header -->
             <div class="flex items-center justify-between px-4 py-3 bg-gray-800/50 border-b border-gray-700/50">

src/pages/zh/index.astro

@@ -107,10 +107,9 @@ const pageTitle = t('site.title');
             </a>
           </div>
         </div>
-      </Container>
 
         <!-- Terminal mockup -->
-        <div class="max-w-4xl mx-auto">
+        <div class="max-w-full mx-auto">
           <div class="bg-gray-900/90 backdrop-blur-sm rounded-lg border border-gray-700/50 shadow-2xl overflow-hidden">
             <!-- Terminal header -->
             <div class="flex items-center justify-between px-4 py-3 bg-gray-800/50 border-b border-gray-700/50">