diff --git a/platform/frontend/index.html b/platform/frontend/index.html
index e63e61a..757d36e 100644
--- a/platform/frontend/index.html
+++ b/platform/frontend/index.html
@@ -89,9 +89,9 @@
               </div>
             </div>
           </div>
-          <div v-if="currentPage === 'topics'" style="width: calc(100vw - 160px); max-width: calc(100vw - 160px); overflow-x: auto;">
-            <div class="flex justify-between items-center mb-6"><h2 class="text-2xl font-bold text-gray-800">📋 选题管理</h2></div>
-            <div class="card mb-6" style="display: inline-block; min-width: fit-content;"><div class="flex flex-wrap gap-2 items-center">
+          <div v-if="currentPage === 'topics'" style="width: calc(100vw - 160px); max-width: calc(100vw - 160px); padding: 0 20px; box-sizing: border-box; overflow-x: auto;">
+            <div class="flex justify-between items-center mb-6" style="max-width: 100%;"><h2 class="text-2xl font-bold text-gray-800">📋 选题管理</h2></div>
+            <div class="card mb-6" style="display: inline-block; min-width: fit-content; max-width: 100%;"><div class="flex flex-wrap gap-2 items-center">
               <el-button type="primary" size="small" @click="refreshAll">🔄 批量刷新</el-button>
               <el-button type="success" size="small" @click="triggerGenerateSelected" :disabled="selectedTopicIds.length === 0">▶ 批量创作</el-button>
               <el-button type="warning" size="small" @click="triggerOptimizeSelected" :disabled="selectedTopicIds.length === 0">🔍 批量优化</el-button>