feat: searchbar集成到header

frontend_nuxt/pages/index.vue

@@ -2,7 +2,7 @@
   <div class="home-page">
     <div v-if="!isMobile" class="search-container">
       <div class="search-title">一切可能，从此刻启航，在此遇见灵感与共鸣</div>
-      <SearchDropdown />
+      <!-- <SearchDropdown /> -->
     </div>
 
     <div class="topic-container">
@@ -379,7 +379,6 @@ onBeforeUnmount(() => {
 /** 供 InfiniteLoadMore 重建用的 key：筛选/Tab 改变即重建内部状态 */
 const ioKey = computed(() => asyncKey.value.join('::'))
 
-
 // 页面选项同步到全局状态
 watch([selectedCategory, selectedTags], ([newCategory, newTags]) => {
   selectedCategoryGlobal.value = newCategory
@@ -544,14 +543,14 @@ watch([selectedCategory, selectedTags], ([newCategory, newTags]) => {
 .header-item.views {
   width: 5%;
   justify-content: flex-end;
-  text-align: right;  
+  text-align: right;
 }
 
 .article-time,
 .header-item.activity {
   width: 10%;
   justify-content: flex-end;
-  text-align: left;  
+  text-align: left;
 }
 
 .article-item-title {