feat: add mobile search panel

src/i18n.tsx

@@ -21,7 +21,16 @@ const zhDict: Dict = {
   popular: "热门资料",
   search: "搜索",
   searchPlaceholder: "搜索资料...",
+  searchPanelPlaceholder: "搜索 PPT、影片、海报、公告、教程、文...",
   searchNow: "立即搜索资料",
+  searchSubmit: "搜索",
+  cancel: "取消",
+  clear: "清除",
+  searchPanelHint: "支持搜索 标题・分类・标签・简介・文件类型・正文",
+  currentTags: "现有标签",
+  noTagsAvailable: "暂无可选择的标签。",
+  tagPostsTitle: "#{{tag}} 相关资料",
+  noTagPosts: "暂时找不到带有此标签的资料。",
   viewAll: "查看全部",
   heroTitle: "ARK 官方数据库",
   heroSub:
@@ -138,7 +147,17 @@ const enDict: Dict = {
   popular: "Popular",
   search: "Search",
   searchPlaceholder: "Search resources...",
+  searchPanelPlaceholder: "Search PPT, videos, posters, news, guides...",
   searchNow: "Search now",
+  searchSubmit: "Search",
+  cancel: "Cancel",
+  clear: "Clear",
+  searchPanelHint:
+    "Search supports title, category, tags, summary, file type, and body text.",
+  currentTags: "Available tags",
+  noTagsAvailable: "No tags available yet.",
+  tagPostsTitle: "#{{tag}} related posts",
+  noTagPosts: "No posts with this tag yet.",
   viewAll: "View all",
   heroTitle: "ARK Official Library",
   heroSub: