diff --git a/web/static/dev.html b/web/static/dev.html
index b6db3f3..6d6dfa1 100644
--- a/web/static/dev.html
+++ b/web/static/dev.html
@@ -98,6 +98,16 @@
   }
   .pane-head .label { font-weight: 600; font-size: 13px; white-space: nowrap; flex-shrink: 0; }
   .pane-head .spacer { flex: 1; }
+  /* 对话顶栏按钮:语义化常态上色 — 完成 绿/导出 蓝/废弃 橙/删除 红 */
+  #btn-done        { color: #27ae60; border-color: #a9dfbf; }
+  #btn-export      { color: #2980b9; border-color: #aed6f1; }
+  #btn-abandon     { color: #e67e22; border-color: #f5cba7; }
+  #btn-delete-task { color: #c0392b; border-color: #f5b7b1; }
+  #btn-done:hover:not(:disabled)        { background: #e9f7ef; }
+  #btn-export:hover:not(:disabled)      { background: #ebf5fb; }
+  #btn-abandon:hover:not(:disabled)     { background: #fef5e7; }
+  #btn-delete-task:hover:not(:disabled) { background: #fdedec; }
+  #pane-mid > .pane-head > button.small:disabled { opacity: 0.4; cursor: not-allowed; }
 
   /* ───── floating dropdown menu ───── */
   /* 单例:position: fixed 逃出 pane overflow 裁剪;右上角触发,向下展开 */
@@ -428,7 +438,7 @@
     <div class="pane-head">
       <span class="label">对话</span>
       <span class="spacer"></span>
-      <button id="btn-export" class="small" disabled>导出 docx</button>
+      <button id="btn-export" class="small" disabled>导出对话记录</button>
       <button id="btn-done" class="small" disabled>完成</button>
       <button id="btn-abandon" class="small danger" disabled>废弃</button>
       <button id="btn-delete-task" class="small danger" disabled title="硬删除:清 DB 行 + messages,FS 文件不动">删除</button>
@@ -846,7 +856,7 @@ function taskMenuItems(t) {
       onclick: () => setTaskStatus(t.task_id, "completed", t.name || "(未命名)") },
     { act: "abandon",  label: "废弃",       cls: "act-abandon",  disabled: !isActive,
       onclick: () => setTaskStatus(t.task_id, "abandoned", t.name || "(未命名)") },
-    { act: "export",   label: "导出 docx",  cls: "act-export",   disabled: !hasMsg,
+    { act: "export",   label: "导出对话记录",  cls: "act-export",   disabled: !hasMsg,
       onclick: () => exportTask(t.task_id) },
     { act: "delete",   label: "删除",       cls: "act-delete",
       onclick: () => deleteTask(t.task_id, t.name || "(未命名)", t.n_messages || 0) },