feat: 为AI听力考试功能添加外部链接并支持新标签页打开

src/App.vue

@@ -7,7 +7,8 @@ const features = ref([
     title: 'AI听力考试音频生成', 
     desc: '基于先进TTS技术，根据文本快速合成全真模拟的英语听力考试音频。', 
     class: 'card-1', 
-    icon: 'audio' 
+    icon: 'audio',
+    url: 'https://jz5k88k7vv.coze.site'
   },
   { 
     id: 2, 
@@ -70,7 +71,7 @@ onMounted(() => {
   </header>
 
   <main class="grid-container">
-    <a v-for="feature in features" :key="feature.id" href="#" class="feature-card" :class="feature.class">
+    <a v-for="feature in features" :key="feature.id" :href="feature.url || '#'" :target="feature.url ? '_blank' : '_self'" class="feature-card" :class="feature.class">
       
       <div class="icon-wrapper">
         <!-- Audio Icon (Headphones) -->