style: adjust ai tab switch gap and clean up code

- reduce gap in AiTabSwitch styles from 40px to 20px
- format component tags in Discovery page for better readability
- update tab label check in isPanoramaGuideTab from "全景攻略" to "测试-2.0"

src/components/AiTabSwitch/styles/index.scss

@@ -7,7 +7,7 @@
   width: 100%;
   height: 50px;
   display: flex;
-  gap: 40px;
+  gap: 20px;
   overflow: hidden;
 }
 

src/pages/Discovery/index.vue

@@ -6,16 +6,9 @@
 
     <scroll-view class="discovery-scroll" scroll-y @scroll="handleContentScroll">
       <view class="discovery-body">
-        <ExploreCards
+        <ExploreCards v-if="discoveryCards.length > 0 && isPanoramaGuideTab" :list="discoveryCards"
-          v-if="discoveryCards.length > 0 && isPanoramaGuideTab"
+          @didSelectItem="handleCardClick" />
-          :list="discoveryCards"
+        <CardSwiper v-else-if="discoveryCards.length > 0" :list="discoveryCards" @didSelectItem="handleCardClick" />
-          @didSelectItem="handleCardClick"
-        />
-        <CardSwiper
-          v-else-if="discoveryCards.length > 0"
-          :list="discoveryCards"
-          @didSelectItem="handleCardClick"
-        />
 
         <QuickQuestions v-if="discoveryQuickQuestions.length > 0" :list="discoveryQuickQuestions"
           @didSelectItem="handleQuickQuestionClick" />
@@ -58,7 +51,7 @@ const discoveryQuickQuestions = ref([]);
 const emit = defineEmits(["content-scroll"]);
 
 const isPanoramaGuideTab = computed(() => {
-  return discoveryTabs.value[activeIndex.value]?.label === "全景攻略";
+  return discoveryTabs.value[activeIndex.value]?.label === "测试-2.0";
 });
 
 const handleContentScroll = (e) => {