diff --git a/static/src/components/sidebar/ConversationSidebar.vue b/static/src/components/sidebar/ConversationSidebar.vue
index 35f661d7..0a523f82 100644
--- a/static/src/components/sidebar/ConversationSidebar.vue
+++ b/static/src/components/sidebar/ConversationSidebar.vue
@@ -289,37 +289,39 @@
                             >
                               <span aria-hidden="true"></span>
                             </button>
-                            <div
-                              v-if="shouldShowActionMenu(conv.id)"
-                              class="conversation-actions-menu conversation-actions-menu--fixed"
-                              :class="{ open: openActionMenuId === conv.id }"
-                              :style="{
-                                top: actionMenuPosition.top + 'px',
-                                right: actionMenuPosition.right + 'px'
-                              }"
-                            >
-                              <button
-                                type="button"
-                                @click="
-                                  openActionMenuId = null;
-                                  $emit('duplicate', conv.id);
-                                "
+                            <Teleport to="body">
+                              <div
+                                v-if="shouldShowActionMenu(conv.id)"
+                                class="conversation-actions-menu conversation-actions-menu--fixed"
+                                :class="{ open: openActionMenuId === conv.id }"
+                                :style="{
+                                  top: actionMenuPosition.top + 'px',
+                                  right: actionMenuPosition.right + 'px'
+                                }"
                               >
-                                <span class="icon icon-sm" :style="iconStyle('copy')" aria-hidden="true"></span>
-                                <span>复制</span>
-                              </button>
-                              <button
-                                type="button"
-                                class="danger"
-                                @click="
-                                  openActionMenuId = null;
-                                  $emit('delete', { id: conv.id, workspaceId: String(ws.workspace_id || '') });
-                                "
-                              >
-                                <span class="icon icon-sm" :style="iconStyle('trash')" aria-hidden="true"></span>
-                                <span>删除</span>
-                              </button>
-                            </div>
+                                <button
+                                  type="button"
+                                  @click="
+                                    openActionMenuId = null;
+                                    $emit('duplicate', conv.id);
+                                  "
+                                >
+                                  <span class="icon icon-sm" :style="iconStyle('copy')" aria-hidden="true"></span>
+                                  <span>复制</span>
+                                </button>
+                                <button
+                                  type="button"
+                                  class="danger"
+                                  @click="
+                                    openActionMenuId = null;
+                                    $emit('delete', { id: conv.id, workspaceId: String(ws.workspace_id || '') });
+                                  "
+                                >
+                                  <span class="icon icon-sm" :style="iconStyle('trash')" aria-hidden="true"></span>
+                                  <span>删除</span>
+                                </button>
+                              </div>
+                            </Teleport>
                           </div>
                         </div>
                       </transition-group>
@@ -407,37 +409,39 @@
                         >
                           <span aria-hidden="true"></span>
                         </button>
-                        <div
-                          v-if="shouldShowActionMenu(conv.id)"
-                          class="conversation-actions-menu conversation-actions-menu--fixed"
-                          :class="{ open: openActionMenuId === conv.id }"
-                          :style="{
-                            top: actionMenuPosition.top + 'px',
-                            right: actionMenuPosition.right + 'px'
-                          }"
-                        >
-                          <button
-                            type="button"
-                            @click="
-                              openActionMenuId = null;
-                              $emit('duplicate', conv.id);
-                            "
+                        <Teleport to="body">
+                          <div
+                            v-if="shouldShowActionMenu(conv.id)"
+                            class="conversation-actions-menu conversation-actions-menu--fixed"
+                            :class="{ open: openActionMenuId === conv.id }"
+                            :style="{
+                              top: actionMenuPosition.top + 'px',
+                              right: actionMenuPosition.right + 'px'
+                            }"
                           >
-                            <span class="icon icon-sm" :style="iconStyle('copy')" aria-hidden="true"></span>
-                            <span>复制</span>
-                          </button>
-                          <button
-                            type="button"
-                            class="danger"
-                            @click="
-                              openActionMenuId = null;
-                              $emit('delete', { id: conv.id, workspaceId: String(group.workspace_id || '') });
-                            "
-                          >
-                            <span class="icon icon-sm" :style="iconStyle('trash')" aria-hidden="true"></span>
-                            <span>删除</span>
-                          </button>
-                        </div>
+                            <button
+                              type="button"
+                              @click="
+                                openActionMenuId = null;
+                                $emit('duplicate', conv.id);
+                              "
+                            >
+                              <span class="icon icon-sm" :style="iconStyle('copy')" aria-hidden="true"></span>
+                              <span>复制</span>
+                            </button>
+                            <button
+                              type="button"
+                              class="danger"
+                              @click="
+                                openActionMenuId = null;
+                                $emit('delete', { id: conv.id, workspaceId: String(group.workspace_id || '') });
+                              "
+                            >
+                              <span class="icon icon-sm" :style="iconStyle('trash')" aria-hidden="true"></span>
+                              <span>删除</span>
+                            </button>
+                          </div>
+                        </Teleport>
                       </div>
                     </div>
                   </div>
@@ -511,37 +515,39 @@
                 >
                   <span aria-hidden="true"></span>
                 </button>
-                            <div
-                              v-if="!isConversationActive(conv.id) && !isConversationCompleted(conv.id) && openActionMenuId === conv.id"
-                              class="conversation-actions-menu conversation-actions-menu--fixed"
-                              :class="{ open: openActionMenuId === conv.id }"
-                              :style="{
-                                top: actionMenuPosition.top + 'px',
-                                right: actionMenuPosition.right + 'px'
-                              }"
-                            >
-                              <button
-                                type="button"
-                                @click="
-                                  openActionMenuId = null;
-                                  $emit('duplicate', conv.id);
-                                "
+                            <Teleport to="body">
+                              <div
+                                v-if="!isConversationActive(conv.id) && !isConversationCompleted(conv.id) && openActionMenuId === conv.id"
+                                class="conversation-actions-menu conversation-actions-menu--fixed"
+                                :class="{ open: openActionMenuId === conv.id }"
+                                :style="{
+                                  top: actionMenuPosition.top + 'px',
+                                  right: actionMenuPosition.right + 'px'
+                                }"
                               >
-                                <span class="icon icon-sm" :style="iconStyle('copy')" aria-hidden="true"></span>
-                                <span>复制</span>
-                              </button>
-                              <button
-                                type="button"
-                                class="danger"
-                                @click="
-                                  openActionMenuId = null;
-                                  $emit('delete', conv.id);
-                                "
-                              >
-                                <span class="icon icon-sm" :style="iconStyle('trash')" aria-hidden="true"></span>
-                                <span>删除</span>
-                              </button>
-                            </div>
+                                <button
+                                  type="button"
+                                  @click="
+                                    openActionMenuId = null;
+                                    $emit('duplicate', conv.id);
+                                  "
+                                >
+                                  <span class="icon icon-sm" :style="iconStyle('copy')" aria-hidden="true"></span>
+                                  <span>复制</span>
+                                </button>
+                                <button
+                                  type="button"
+                                  class="danger"
+                                  @click="
+                                    openActionMenuId = null;
+                                    $emit('delete', conv.id);
+                                  "
+                                >
+                                  <span class="icon icon-sm" :style="iconStyle('trash')" aria-hidden="true"></span>
+                                  <span>删除</span>
+                                </button>
+                              </div>
+                            </Teleport>
               </div>
             </div>
           </transition-group>
diff --git a/static/src/styles/components/sidebar/_conversation.scss b/static/src/styles/components/sidebar/_conversation.scss
index 2779c09a..bb919ecf 100644
--- a/static/src/styles/components/sidebar/_conversation.scss
+++ b/static/src/styles/components/sidebar/_conversation.scss
@@ -542,7 +542,9 @@ body[data-theme='dark'] .conversation-sidebar .conversation-item.active:focus-wi
     11px 0 0 currentColor;
 }
 
-.conversation-sidebar .conversation-actions-menu {
+/* 菜单通过 Teleport 挂载到 body（脱离移动端面板的 transform 包含块与 overflow 裁切），
+   因此样式选择器不能挂在 .conversation-sidebar 下 */
+.conversation-actions-menu {
   z-index: 140;
   width: max-content;
   min-width: 92px;
@@ -559,24 +561,25 @@ body[data-theme='dark'] .conversation-sidebar .conversation-item.active:focus-wi
     transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
 }
 
-.conversation-sidebar .conversation-actions-menu--absolute {
+.conversation-actions-menu--absolute {
   position: absolute;
   right: 0;
   top: calc(100% + 6px);
 }
 
-.conversation-sidebar .conversation-actions-menu--fixed {
+.conversation-actions-menu--fixed {
   position: fixed;
-  z-index: 1000;
+  /* 需高于移动端面板遮罩 .mobile-panel-overlay（z-index: 2000） */
+  z-index: 2300;
 }
 
-.conversation-sidebar .conversation-actions-menu.open {
+.conversation-actions-menu.open {
   opacity: 1;
   transform: translateY(0) scale(1);
   pointer-events: auto;
 }
 
-.conversation-sidebar .conversation-actions-menu button {
+.conversation-actions-menu button {
   width: 100%;
   min-width: 80px;
   height: 36px;
@@ -595,11 +598,11 @@ body[data-theme='dark'] .conversation-sidebar .conversation-item.active:focus-wi
   transition: background 140ms ease;
 }
 
-.conversation-sidebar .conversation-actions-menu button:hover {
+.conversation-actions-menu button:hover {
   background: var(--theme-tab-active);
 }
 
-.conversation-sidebar .conversation-actions-menu button.danger {
+.conversation-actions-menu button.danger {
   color: var(--state-danger);
 }
 
@@ -896,6 +899,15 @@ body[data-theme='dark'] .workspace-group-header.search-result-group-header:hover
   background: var(--theme-tab-active);
 }
 
+/* 触摸设备（手机/平板）没有 hover：常显操作入口。
+   否则按钮透明时首次 tap 只会应用 hover 态（按钮显现）并吞掉 click，菜单打不开 */
+@media (hover: none) {
+  .conversation-sidebar .conversation-more-btn,
+  .conversation-sidebar .workspace-group-actions {
+    opacity: 1;
+  }
+}
+
 .workspace-group-children {
   display: grid;
   grid-template-rows: 0fr;