diff --git a/style.css b/style.css
index ba88702..af3a368 100644
--- a/style.css
+++ b/style.css
@@ -1438,6 +1438,101 @@
   flex-wrap: wrap;
 }
 
+/* ==================== Memory Popup (Mobile) ==================== */
+
+.bme-memory-popup-scrim {
+  position: fixed;
+  inset: 0;
+  z-index: 999;
+  background: rgba(0, 0, 0, 0.55);
+  backdrop-filter: blur(2px);
+  -webkit-backdrop-filter: blur(2px);
+  cursor: pointer;
+}
+
+.bme-memory-popup-scrim[hidden] {
+  display: none !important;
+}
+
+.bme-memory-popup {
+  display: none;
+  position: fixed;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%) scale(0.92);
+  width: min(460px, calc(100vw - 24px));
+  max-height: min(82vh, 680px);
+  background: var(--bme-surface, #131316);
+  border: 1px solid var(--bme-border);
+  border-radius: 14px;
+  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.65);
+  z-index: 1000;
+  overflow-y: auto;
+  padding: 18px;
+  opacity: 0;
+  visibility: hidden;
+  pointer-events: none;
+  transition: transform 0.18s ease, opacity 0.18s ease, visibility 0.18s ease;
+}
+
+.bme-memory-popup.open {
+  display: block;
+  transform: translate(-50%, -50%) scale(1);
+  opacity: 1;
+  visibility: visible;
+  pointer-events: auto;
+}
+
+.bme-memory-popup__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  margin-bottom: 10px;
+}
+
+.bme-memory-popup__title {
+  font-size: 16px;
+  font-weight: 700;
+  color: var(--bme-on-surface);
+  margin: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.bme-memory-popup__actions {
+  display: flex;
+  align-items: center;
+  gap: 2px;
+  flex-shrink: 0;
+}
+
+.bme-memory-popup__badges {
+  display: flex;
+  gap: 6px;
+  flex-wrap: wrap;
+  margin-bottom: 12px;
+}
+
+.bme-memory-popup__body {
+  font-size: 12px;
+  color: var(--bme-on-surface);
+}
+
+.bme-memory-popup::-webkit-scrollbar {
+  width: 4px;
+}
+
+.bme-memory-popup::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+.bme-memory-popup::-webkit-scrollbar-thumb {
+  background: var(--bme-surface-highest);
+  border-radius: 2px;
+}
+
 /* ==================== Injection Preview ==================== */
 
 .bme-injection-token-bar {
@@ -7063,11 +7158,11 @@
     width: 100%;
     max-width: none;
     border-right: none;
-    border-bottom: 1px solid var(--bme-border);
-    max-height: 40vh;
+    border-bottom: none;
+    max-height: none;
   }
   .bme-memory-detail-panel {
-    padding: 14px;
+    display: none;
   }
   .bme-batch-stages {
     flex-wrap: wrap;
diff --git a/ui/panel.html b/ui/panel.html
index 8b99843..04c0d07 100644
--- a/ui/panel.html
+++ b/ui/panel.html
@@ -2986,6 +2986,26 @@
             <div class="bme-task-section" data-task-section="trace" id="bme-task-trace"></div>
             <div class="bme-task-section" data-task-section="persistence" id="bme-task-persistence"></div>
           </div>
+
+          <div class="bme-memory-popup-scrim" id="bme-memory-popup-scrim" hidden></div>
+          <div class="bme-memory-popup" id="bme-memory-popup">
+            <div class="bme-memory-popup__header">
+              <h3 class="bme-memory-popup__title" id="bme-memory-popup-title">节点详情</h3>
+              <div class="bme-memory-popup__actions">
+                <button class="bme-detail-action-btn" id="bme-memory-popup-save" type="button" title="保存修改">
+                  <i class="fa-solid fa-floppy-disk"></i>
+                </button>
+                <button class="bme-detail-action-btn bme-detail-action-danger" id="bme-memory-popup-delete" type="button" title="删除节点">
+                  <i class="fa-solid fa-trash"></i>
+                </button>
+                <button class="bme-panel-close" id="bme-memory-popup-close" type="button" title="关闭">
+                  <i class="fa-solid fa-xmark"></i>
+                </button>
+              </div>
+            </div>
+            <div class="bme-memory-popup__badges" id="bme-memory-popup-badges"></div>
+            <div class="bme-memory-popup__body" id="bme-memory-popup-body"></div>
+          </div>
         </div>
       </div>
 
diff --git a/ui/panel.js b/ui/panel.js
index 10f2e57..26cbdb9 100644
--- a/ui/panel.js
+++ b/ui/panel.js
@@ -932,6 +932,7 @@ export async function initPanel({
   _bindTabs();
   _bindClose();
   _bindNodeDetailPanel();
+  _bindMemoryPopup();
   _bindResizeHandle();
   _bindPanelResize();
   _bindGraphControls();
@@ -1186,6 +1187,7 @@ export function openPanel() {
 export function closePanel() {
   if (!overlayEl) return;
   overlayEl.classList.remove("active");
+  _closeMemoryPopup();
   _clearScheduledVisibleGraphRefresh();
   lastVisibleGraphRefreshToken = "";
 }
@@ -1246,6 +1248,7 @@ function _switchTab(tabId) {
   }
   currentTabId = next;
   _closeNodeDetailUi();
+  _closeMemoryPopup();
   panelEl?.querySelectorAll(".bme-tab-btn").forEach((btn) => {
     btn.classList.toggle("active", btn.dataset.tab === currentTabId);
   });
@@ -1352,6 +1355,7 @@ function _bindTaskNavigation() {
 
 function _switchTaskSection(sectionId) {
   currentTaskSectionId = sectionId || "pipeline";
+  _closeMemoryPopup();
   _syncTaskSectionState();
   _refreshTaskMonitor();
 }
@@ -1758,7 +1762,12 @@ function _bindTaskMemoryListClick() {
     currentSelectedMemoryNodeId = item.dataset.nodeId || "";
     list.querySelectorAll(".bme-memory-node-item").forEach((n) => n.classList.toggle("selected", n.dataset.nodeId === currentSelectedMemoryNodeId));
     const graph = _getGraph?.();
-    _renderTaskMemoryDetailSelection(graph);
+    if (_isMobile()) {
+      const node = (graph?.nodes || []).find((c) => c.id === currentSelectedMemoryNodeId) || null;
+      if (node) _openMemoryPopup(node, graph);
+    } else {
+      _renderTaskMemoryDetailSelection(graph);
+    }
   });
 }
 
@@ -1832,20 +1841,31 @@ function _renderTaskMemoryDetailPanel(detailEl, node, graph) {
 }
 
 function _saveTaskMemoryDetail() {
-  const detailEl = document.getElementById("bme-task-memory-detail");
-  const bodyEl = detailEl?.querySelector("#bme-task-memory-editor-body");
+  const popupBody = document.getElementById("bme-memory-popup-body");
+  const popupOpen = document.getElementById("bme-memory-popup")?.classList.contains("open");
+  const detailEl = popupOpen ? null : document.getElementById("bme-task-memory-detail");
+  const bodyEl = popupOpen
+    ? popupBody
+    : detailEl?.querySelector("#bme-task-memory-editor-body");
   const nodeId = currentSelectedMemoryNodeId;
   if (!nodeId || !bodyEl) return;
 
-  const collected = _collectNodeDetailEditorUpdates(bodyEl, {
-    idPrefix: "bme-task-detail",
-  });
+  const idPrefix = popupOpen ? "bme-popup-detail" : "bme-task-detail";
+  const collected = _collectNodeDetailEditorUpdates(bodyEl, { idPrefix });
   if (!collected.ok) {
     toastr.error(collected.errorMessage || "保存失败", "ST-BME");
     return;
   }
 
-  _persistNodeDetailEdits(nodeId, collected.updates);
+  _persistNodeDetailEdits(nodeId, collected.updates, {
+    afterSuccess: () => {
+      if (popupOpen) {
+        const graph = _getGraph?.();
+        const refreshedNode = (graph?.nodes || []).find((n) => n.id === nodeId);
+        if (refreshedNode) _openMemoryPopup(refreshedNode, graph);
+      }
+    },
+  });
 }
 
 function _deleteTaskMemoryDetail() {
@@ -1855,10 +1875,57 @@ function _deleteTaskMemoryDetail() {
   _deleteGraphNodeById(nodeId, {
     afterSuccess: () => {
       currentSelectedMemoryNodeId = "";
+      _closeMemoryPopup();
     },
   });
 }
 
+function _openMemoryPopup(node, graph) {
+  const popup = document.getElementById("bme-memory-popup");
+  const scrim = document.getElementById("bme-memory-popup-scrim");
+  const titleEl = document.getElementById("bme-memory-popup-title");
+  const badgesEl = document.getElementById("bme-memory-popup-badges");
+  const bodyEl = document.getElementById("bme-memory-popup-body");
+  if (!popup || !bodyEl) return;
+
+  const displayName = getNodeDisplayName(node);
+  const scopeBadge = buildScopeBadgeText(node.scope);
+  const badges = [
+    node.type ? `<span class="bme-memory-node-item__type ${_getMemoryNodeTypeClass(node.type)}">${_escHtml(_typeLabel(node.type))}</span>` : "",
+    scopeBadge ? `<span class="bme-memory-node-item__type type-default">${_escHtml(scopeBadge)}</span>` : "",
+    node.archived ? '<span class="bme-memory-node-item__type type-default">ARCHIVED</span>' : "",
+  ].filter(Boolean).join("");
+
+  if (titleEl) titleEl.textContent = displayName;
+  if (badgesEl) badgesEl.innerHTML = badges;
+
+  bodyEl.replaceChildren(
+    _buildNodeDetailEditorFragment(node, { idPrefix: "bme-popup-detail" }),
+  );
+
+  scrim?.removeAttribute("hidden");
+  popup.classList.add("open");
+}
+
+function _closeMemoryPopup() {
+  const popup = document.getElementById("bme-memory-popup");
+  const scrim = document.getElementById("bme-memory-popup-scrim");
+  popup?.classList.remove("open");
+  scrim?.setAttribute("hidden", "");
+}
+
+function _bindMemoryPopup() {
+  const closeBtn = document.getElementById("bme-memory-popup-close");
+  const scrim = document.getElementById("bme-memory-popup-scrim");
+  const saveBtn = document.getElementById("bme-memory-popup-save");
+  const deleteBtn = document.getElementById("bme-memory-popup-delete");
+
+  closeBtn?.addEventListener("click", () => _closeMemoryPopup());
+  scrim?.addEventListener("click", () => _closeMemoryPopup());
+  saveBtn?.addEventListener("click", () => _saveTaskMemoryDetail());
+  deleteBtn?.addEventListener("click", () => _deleteTaskMemoryDetail());
+}
+
 // ---------- Injection Preview ----------
 
 function _refreshTaskInjectionPreview() {