💄 美化下载列表和我的收藏样式

src/features/collection/Collections.tsx

@@ -9,7 +9,7 @@ const Collections: Component = () => {
 
   return (
     <div class="p-6 w-full h-full">
-      <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+      <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4 pb-6">
         {collections().map((collection) => (
           <Card
             class="cursor-pointer hover:bg-accent/50 transition-colors"

src/features/downloads/Downloads.tsx

@@ -14,7 +14,7 @@ const Downloads: Component = () => {
           <TabsTrigger value="completed">已完成 ({completedDownloads().length})</TabsTrigger>
         </TabsList>
         <TabsContent value="active" class="mt-6">
-          <div class="flex flex-col gap-4">
+          <div class="flex flex-col gap-4 pb-6">
             <For each={activeDownloads()}>
               {(download) => <DownloadCard download={download} />}
             </For>