diff --git a/.memory/worklog.json b/.memory/worklog.json
index 28011a5..b2e34dc 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -2182,6 +2182,19 @@
       "message": "auto-save 2026-05-13 19:12 (~3)",
       "hash": "61a4bec",
       "files_changed": 3
+    },
+    {
+      "ts": "2026-05-13T19:17:48+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-13 19:17 (~4)",
+      "hash": "fda2980",
+      "files_changed": 4
+    },
+    {
+      "ts": "2026-05-13T11:19:29Z",
+      "type": "session-heartbeat",
+      "message": "Codex 会话活跃 · 最近命令：codex · 1 项未提交变更 · 最近提交：auto-save 2026-05-13 19:17 (~4)",
+      "files_changed": 1
     }
   ]
 }
diff --git a/docs/source-analysis.html b/docs/source-analysis.html
index 2a746dd..5eab037 100644
--- a/docs/source-analysis.html
+++ b/docs/source-analysis.html
@@ -837,8 +837,8 @@ api/main.py
             </header>
             <div class="body">
               <p><strong>问题：</strong>关键帧详情 / 元素提取面板固定在左侧 drawer，和 ReactFlow 无限画布割裂，也不会跟随画布缩放。</p>
-              <p><strong>改动：</strong>移除主页面隐藏渲染的 <code>Dashboard</code> drawer 承载方式，改为在 <code>KeyframeNode</code> 内部挂载 <code>FrameLightbox</code>，作为画布上的工作面板。</p>
-              <p><strong>影响：</strong><code>web/app/page.tsx</code>、<code>web/components/nodes/index.tsx</code>；点关键帧后面板会跟随 ReactFlow 平移和缩放。</p>
+              <p><strong>改动：</strong>移除主页面隐藏渲染的 <code>Dashboard</code> drawer 承载方式，新增独立 <code>keyframePanel</code> ReactFlow 节点来挂载 <code>FrameLightbox</code>。</p>
+              <p><strong>影响：</strong><code>web/app/page.tsx</code>、<code>web/components/nodes/index.tsx</code>；点关键帧后面板默认出现在流程左侧空白画布里，不遮挡 Input / Keyframe 主节点；标题栏可拖动，跟随 ReactFlow 平移和缩放。再次点击关键帧缩略图会把面板找回到默认位置，并自动把视野拉到“关键帧 + 面板”。</p>
             </div>
           </article>
           <article class="change">
diff --git a/web/app/page.tsx b/web/app/page.tsx
index 5d01f9f..5f321d4 100644
--- a/web/app/page.tsx
+++ b/web/app/page.tsx
@@ -9,7 +9,7 @@ import {
 import { Toaster, toast } from "sonner"
 import {
   InputNode, KeyframeNode, ASRNode,
-  TranslateNode, RewriteNode, StoryboardNode, VideoGenNode, ComposeNode,
+  TranslateNode, RewriteNode, StoryboardNode, VideoGenNode, ComposeNode, KeyframePanelNode,
   type NodeData,
 } from "@/components/nodes"
 import { ThemeToggle } from "@/components/theme-toggle"
@@ -27,8 +27,11 @@ const NODE_TYPES = {
   storyboard: StoryboardNode,
   videogen: VideoGenNode,
   compose: ComposeNode,
+  keyframePanel: KeyframePanelNode,
 }
 
+const KEYFRAME_PANEL_ID = "keyframe-detail-panel"
+
 // 合并 input + download + split 为一个节点
 // 分叉：上路 input → keyframe → storyboard → videogen ↘
 //       下路 input → asr → translate → rewrite ──────→ storyboard / compose
@@ -64,10 +67,12 @@ export default function Home() {
   const [analyzing, setAnalyzing] = useState(false)
   const [selectedFrames, setSelectedFrames] = useState<Set<number>>(new Set())
   const [expandedFrame, setExpandedFrame] = useState<number | null>(null)
+  const [framePanelResetNonce, setFramePanelResetNonce] = useState(0)
   const [videoLightboxOpen, setVideoLightboxOpen] = useState(false)
   const [storyboardFrame, setStoryboardFrame] = useState<number | null>(null)
   const [workbenchOpen, setWorkbenchOpen] = useState(false)
   const [clipboard, setClipboard] = useState<ImageRef | null>(null)
+  const flowRef = useRef<any>(null)
 
   // 把 setJob(prev=>...) 翻译成 setJobs 里更新当前 active
   const setJob = useCallback((updater: Job | ((prev: Job | null) => Job | null) | null) => {
@@ -163,6 +168,11 @@ export default function Home() {
     })
   }, [])
 
+  const handleOpenFramePanel = useCallback((idx: number) => {
+    setExpandedFrame(idx)
+    setFramePanelResetNonce((n) => n + 1)
+  }, [])
+
   const handleDeleteFrame = useCallback(async (idx: number) => {
     if (!activeJobId) return
     try {
@@ -276,6 +286,7 @@ export default function Home() {
     onAnalyze: handleAnalyze,
     onToggleFrame: handleToggleFrame,
     onExpandFrame: setExpandedFrame,
+    onOpenFramePanel: handleOpenFramePanel,
     onCloseExpandedFrame: () => setExpandedFrame(null),
     onAddManualFrame: handleAddManualFrame,
     onOpenVideoLightbox: () => setVideoLightboxOpen(true),
@@ -289,7 +300,7 @@ export default function Home() {
       setWorkbenchOpen(true)
     },
     onCopyImage: handleCopyImage,
-  }), [job, jobs, activeJobId, submitting, analyzing, selectedFrames, expandedFrame, handleSubmit, handleUpload, handleAnalyze, handleToggleFrame, handleAddManualFrame, handleSwitchJob, setJob, handleDeleteFrame, handleDeleteGenerated, handleCopyImage])
+  }), [job, jobs, activeJobId, submitting, analyzing, selectedFrames, expandedFrame, handleSubmit, handleUpload, handleAnalyze, handleToggleFrame, handleOpenFramePanel, handleAddManualFrame, handleSwitchJob, setJob, handleDeleteFrame, handleDeleteGenerated, handleCopyImage])
 
   // 用 useNodesState 让 ReactFlow 自己管位置（避免轮询时重置 drag）
   const [nodes, setNodes, onNodesChange] = useNodesState<Node>(
@@ -312,6 +323,61 @@ export default function Home() {
     setNodes((prev) => prev.map((n) => ({ ...n, data: nodeData })))
   }, [nodeData, setNodes])
 
+  // 关键帧详情面板是独立 ReactFlow 节点：可拖动、跟随画布缩放。
+  // 再次点击任意关键帧缩略图时，重新放回关键帧节点左侧附近，避免拖丢后找不到。
+  const panelResetHandledRef = useRef(0)
+  useEffect(() => {
+    if (!job || expandedFrame === null) {
+      setNodes((prev) => prev.filter((n) => n.id !== KEYFRAME_PANEL_ID))
+      return
+    }
+
+    const shouldReset = panelResetHandledRef.current !== framePanelResetNonce
+    panelResetHandledRef.current = framePanelResetNonce
+    setNodes((prev) => {
+      const keyframeNode = prev.find((n) => n.id === "keyframe")
+      const inputNode = prev.find((n) => n.id === "input")
+      const defaultPosition = {
+        x: (inputNode?.position.x ?? 40) - 820,
+        y: (keyframeNode?.position.y ?? 60),
+      }
+      const exists = prev.some((n) => n.id === KEYFRAME_PANEL_ID)
+      if (exists) {
+        return prev.map((n) => n.id === KEYFRAME_PANEL_ID
+          ? {
+              ...n,
+              data: nodeData,
+              position: shouldReset ? defaultPosition : n.position,
+              draggable: true,
+              dragHandle: ".keyframe-panel-drag",
+            }
+          : n,
+        )
+      }
+      return [
+        ...prev,
+        {
+          id: KEYFRAME_PANEL_ID,
+          type: "keyframePanel",
+          position: defaultPosition,
+          data: nodeData,
+          draggable: true,
+          dragHandle: ".keyframe-panel-drag",
+          selectable: true,
+        },
+      ]
+    })
+    if (shouldReset) {
+      window.setTimeout(() => {
+        flowRef.current?.fitView?.({
+          nodes: [{ id: KEYFRAME_PANEL_ID }, { id: "keyframe" }],
+          padding: 0.18,
+          duration: 260,
+        })
+      }, 0)
+    }
+  }, [job?.id, expandedFrame, framePanelResetNonce, nodeData, setNodes])
+
   // 边的 animated 状态跟 Job 进度联动
   useEffect(() => {
     const doneOf: Record<string, boolean> = {
@@ -351,6 +417,7 @@ export default function Home() {
           <ReactFlow
             nodes={nodes}
             edges={edges}
+            onInit={(instance) => { flowRef.current = instance }}
             onNodesChange={onNodesChange}
             onEdgesChange={onEdgesChange}
             nodeTypes={NODE_TYPES}
diff --git a/web/components/nodes/index.tsx b/web/components/nodes/index.tsx
index b2f084b..ee5b52b 100644
--- a/web/components/nodes/index.tsx
+++ b/web/components/nodes/index.tsx
@@ -22,6 +22,7 @@ export interface NodeData {
   onAnalyze: () => void
   onToggleFrame: (idx: number) => void
   onExpandFrame: (idx: number) => void
+  onOpenFramePanel?: (idx: number) => void  // 打开/找回画布内关键帧详情面板
   onCloseExpandedFrame: () => void
   onAddManualFrame: (t: number) => void
   onOpenVideoLightbox: () => void
@@ -375,8 +376,11 @@ export function KeyframeNode({ data, selected }: any) {
                 }}
               >
               <button
-                onClick={(e) => { e.stopPropagation(); d.onExpandFrame(f.index) }}
-                title={`第 ${f.index + 1} 张 · ${f.timestamp.toFixed(1)}s · hover 看大图 · 点击精细调整`}
+                onClick={(e) => {
+                  e.stopPropagation()
+                  ;(d.onOpenFramePanel ?? d.onExpandFrame)(f.index)
+                }}
+                title={`第 ${f.index + 1} 张 · ${f.timestamp.toFixed(1)}s · hover 看大图 · 点击打开 / 找回详情面板`}
                 className="absolute inset-0 w-full h-full"
               >
                 <img
@@ -496,34 +500,56 @@ export function KeyframeNode({ data, selected }: any) {
         )}
       </NodeShell>
 
-      {/* 关键帧详情 / 元素提取：作为无限画布上的工作面板，跟随 ReactFlow 缩放和平移 */}
-      {d.job && d.expandedFrame !== null && (
-        <div
-          className="nodrag nowheel absolute z-[120]"
-          style={{
-            left: 0,
-            top: "calc(100% + 18px)",
-            width: 760,
-            height: 720,
-          }}
-          onPointerDown={(e) => e.stopPropagation()}
-          onWheel={(e) => e.stopPropagation()}
-        >
-          <FrameLightbox
-            embedded
-            jobId={d.job.id}
-            frames={d.job.frames}
-            activeIndex={d.expandedFrame}
-            selected={d.selectedFrames}
-            onClose={d.onCloseExpandedFrame}
-            onChange={d.onExpandFrame}
-            onToggleSelect={d.onToggleFrame}
-            onJobUpdate={d.onJobUpdate}
-            onCopyImage={d.onCopyImage}
-          />
-        </div>
-      )}
+    </div>
+  )
+}
 
+/* ============================================================
+   4b. KeyframePanelNode — 画布内可移动详情面板
+   ============================================================ */
+export function KeyframePanelNode({ data }: any) {
+  const d: NodeData = data
+  if (!d.job || d.expandedFrame === null) return null
+  const active = d.job.frames.find((f) => f.index === d.expandedFrame)
+  return (
+    <div
+      className="rounded-2xl border border-white/15 bg-black/70 shadow-2xl overflow-hidden"
+      style={{ width: 760, height: 746, boxShadow: "0 30px 80px -20px rgba(0,0,0,0.75), 0 0 0 1px rgba(255,255,255,0.05)" }}
+    >
+      <div className="keyframe-panel-drag flex h-7 cursor-move items-center justify-between bg-gradient-to-r from-orange-500 to-red-500 px-3 text-white">
+        <div className="flex min-w-0 items-center gap-2">
+          <ImageIcon className="h-3.5 w-3.5 shrink-0" />
+          <span className="truncate text-[12px] font-semibold">关键帧详情 · 元素提取</span>
+          <span className="shrink-0 text-[10px] font-mono text-white/65">
+            {active ? `分镜 ${active.index + 1} · ${active.timestamp.toFixed(2)}s` : "未选分镜"}
+          </span>
+        </div>
+        <div className="flex items-center gap-2">
+          <span className="text-[10px] text-white/60">拖动标题栏移动 · 再点缩略图可找回</span>
+          <button
+            type="button"
+            onClick={(e) => { e.stopPropagation(); d.onCloseExpandedFrame() }}
+            className="nodrag h-5 w-5 rounded bg-white/10 text-white/80 hover:bg-white/20 hover:text-white inline-flex items-center justify-center"
+            title="关闭"
+          >
+            <X className="h-3 w-3" />
+          </button>
+        </div>
+      </div>
+      <div className="nodrag nowheel h-[719px]" onWheel={(e) => e.stopPropagation()}>
+        <FrameLightbox
+          embedded
+          jobId={d.job.id}
+          frames={d.job.frames}
+          activeIndex={d.expandedFrame}
+          selected={d.selectedFrames}
+          onClose={d.onCloseExpandedFrame}
+          onChange={d.onExpandFrame}
+          onToggleSelect={d.onToggleFrame}
+          onJobUpdate={d.onJobUpdate}
+          onCopyImage={d.onCopyImage}
+        />
+      </div>
     </div>
   )
 }