diff --git a/.memory/worklog.json b/.memory/worklog.json
index 0a1a3b0..9b053fb 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1,19 +1,5 @@
 {
   "entries": [
-    {
-      "files_changed": 1,
-      "hash": "8e3b365",
-      "message": "auto-save 2026-05-12 22:36 (~1)",
-      "ts": "2026-05-12T22:36:36+08:00",
-      "type": "commit"
-    },
-    {
-      "files_changed": 1,
-      "hash": "2009c43",
-      "message": "auto-save 2026-05-12 22:41 (~1)",
-      "ts": "2026-05-12T22:42:07+08:00",
-      "type": "commit"
-    },
     {
       "files_changed": 1,
       "hash": "9279e55",
@@ -3331,6 +3317,19 @@
       "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 2026-05-14 09:13 (~1)",
       "files_changed": 1
+    },
+    {
+      "ts": "2026-05-14T09:19:35+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-14 09:19 (~2)",
+      "hash": "1ac55e5",
+      "files_changed": 2
+    },
+    {
+      "ts": "2026-05-14T01:20:31Z",
+      "type": "session-heartbeat",
+      "message": "Claude 会话活跃 · 最近命令：claude · 1 项未提交变更 · 最近提交：auto-save 2026-05-14 09:19 (~2)",
+      "files_changed": 1
     }
   ]
 }
diff --git a/web/components/lightbox.tsx b/web/components/lightbox.tsx
index d6efb3f..fd3de51 100644
--- a/web/components/lightbox.tsx
+++ b/web/components/lightbox.tsx
@@ -696,7 +696,7 @@ export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, o
       } : {
         top: 80,
         right: 16,
-        width: 740,
+        width: isProductTab ? "min(1280px, calc(100vw - 32px))" : 740,
         maxHeight: "calc(100vh - 96px)",
         boxShadow: "0 40px 100px -20px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.05)",
         animation: "drawer-in 0.24s cubic-bezier(0.32, 0.72, 0, 1)",
@@ -930,118 +930,237 @@ export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, o
                 </span>
               </div>
               <div className="mb-2 rounded-md border border-white/10 bg-black/25 px-2 py-1.5 text-[10px] leading-relaxed text-white/50">
-                每行一条镜头：产品图、白底人物图、人物图上的产品区域、场景图和描述词一一对应。
+                6 条视频镜头从上到下排列；每条都能直接看到产品图、白底人物、融合区域、场景、描述和秒数。
               </div>
-              <div className="mb-3 space-y-1.5">
+              <div className="space-y-2">
                 {fusionShots.map((shot, i) => {
                   const active = i === activeFusionShot
+                  const productUrl = shot.product_image ? resolveImageRefUrl(jobId, shot.product_image) : ""
+                  const personUrl = shot.person_image ? resolveImageRefUrl(jobId, shot.person_image) : ""
+                  const sceneUrl = shot.scene_image ? resolveImageRefUrl(jobId, shot.scene_image) : ""
                   const ready = !!(shot.product_image && shot.person_image && shot.product_region && shot.scene_image && shot.action_text?.trim())
+                  const busy = fusionGenerating === i || fusionGenerating === "all"
+                  const pasteIntoSlot = (slot: "product_image" | "person_image" | "scene_image", label: string) => {
+                    setActiveFusionShot(i)
+                    if (clipboard) {
+                      assignFusionImage(slot, clipboard, i)
+                      toast.success(`已粘贴到镜头 ${i + 1}「${label}」：${clipboard.label || "剪贴板图片"}`)
+                      return
+                    }
+                    setFusionUploadTarget(slot)
+                    toast.message(`镜头 ${i + 1} 已选中「${label}」槽位，现在可 Cmd+V 粘贴系统图片`)
+                  }
+                  const imageSlot = (slot: "product_image" | "scene_image", label: string, url: string) => {
+                    const ref = shot[slot]
+                    return (
+                      <div className="overflow-hidden rounded-md border border-white/10 bg-black/24">
+                        <div className="relative aspect-square bg-white">
+                          {url ? (
+                            <button
+                              type="button"
+                              onClick={() => setActiveFusionShot(i)}
+                              className="absolute inset-0 cursor-pointer"
+                              title={`选中镜头 ${i + 1}`}
+                            >
+                              <img src={url} alt={label} className="h-full w-full object-contain" draggable={false} />
+                            </button>
+                          ) : (
+                            <button
+                              type="button"
+                              onClick={() => openFusionUpload(slot, i)}
+                              className="absolute inset-0 flex flex-col items-center justify-center gap-1 text-[9.5px] text-black/35 hover:text-black/65"
+                            >
+                              <Upload className="h-3.5 w-3.5" />
+                              上传
+                            </button>
+                          )}
+                        </div>
+                        <div className="border-t border-white/10 px-1 py-1">
+                          <div className="mb-1 truncate text-[8.5px] text-white/42">{ref?.label || label}</div>
+                          <div className="grid grid-cols-2 gap-1">
+                            <button
+                              type="button"
+                              onClick={() => pasteIntoSlot(slot, label)}
+                              className={`rounded px-1 py-0.5 text-[8.5px] transition ${
+                                clipboard ? "bg-violet-500/60 text-white hover:bg-violet-400/70" : "bg-white/10 text-white/58 hover:bg-white/18 hover:text-white"
+                              }`}
+                            >
+                              粘贴
+                            </button>
+                            <button
+                              type="button"
+                              onClick={() => openFusionUpload(slot, i)}
+                              className="rounded bg-white/10 px-1 py-0.5 text-[8.5px] text-white/65 transition hover:bg-white/18 hover:text-white"
+                            >
+                              上传
+                            </button>
+                          </div>
+                        </div>
+                      </div>
+                    )
+                  }
                   return (
-                    <button
+                    <div
                       key={shot.id}
-                      type="button"
-                      onClick={() => setActiveFusionShot(i)}
-                      className={`grid w-full grid-cols-[40px_1fr_1fr_54px] items-center gap-1.5 rounded-md border px-2 py-1.5 text-left transition ${
+                      className={`rounded-lg border p-2 transition ${
                         active
-                          ? "border-amber-300/70 bg-amber-500/18 text-white"
-                          : "border-white/10 bg-black/22 text-white/55 hover:border-amber-300/35 hover:text-white"
+                          ? "border-amber-300/70 bg-amber-500/16 shadow-[0_0_0_1px_rgba(251,191,36,0.14)]"
+                          : "border-white/10 bg-black/20 hover:border-amber-300/35"
                       }`}
                     >
-                      <span className="font-mono text-[10px]">#{i + 1}</span>
-                      <span className="truncate text-[10px]">{shot.product_image?.label || "产品图空"}</span>
-                      <span className="truncate text-[10px]">{shot.scene_image?.label || "场景图空"}</span>
-                      <span className={`rounded px-1 py-0.5 text-center text-[9px] ${ready ? "bg-emerald-400/80 text-black" : "bg-white/10 text-white/45"}`}>
-                        {ready ? "就绪" : "待补"}
-                      </span>
-                    </button>
-                  )
-                })}
-              </div>
-              <div className="grid grid-cols-3 gap-2">
-                {([
-                  ["product_image", "产品图", currentFusionProductUrl],
-                  ["person_image", "白底人物图", currentFusionPersonUrl],
-                  ["scene_image", "场景图", currentFusionSceneUrl],
-                ] as const).map(([slot, label, url]) => (
-                  <div key={slot} className="overflow-hidden rounded-md border border-white/10 bg-black/25">
-                    <div className="relative bg-white" style={{ aspectRatio: "1/1" }}>
-                      {url ? (
-                        <img src={url} alt={label} className="absolute inset-0 h-full w-full object-contain" />
-                      ) : (
-                        <button
-                          type="button"
-                          onClick={() => openFusionUpload(slot)}
-                          className="absolute inset-0 flex flex-col items-center justify-center gap-1 text-[10px] text-black/35 hover:text-black/65"
-                        >
-                          <Upload className="h-4 w-4" />
-                          上传/粘贴
-                        </button>
-                      )}
-                    </div>
-                    <div className="flex items-center justify-between gap-1 border-t border-white/10 px-1.5 py-1">
-                      <span className="truncate text-[9.5px] text-white/55">{label}</span>
-                      <div className="flex items-center gap-1">
-                        <button
-                          type="button"
-                          onClick={() => {
-                            if (clipboard) {
-                              assignFusionImage(slot, clipboard)
-                              toast.success(`已粘贴到「${label}」：${clipboard.label || "剪贴板图片"}`)
-                              return
-                            }
-                            setFusionUploadTarget(slot)
-                            toast.message(`应用剪贴板为空；已选中「${label}」槽位，现在可 Cmd+V 粘贴系统图片`)
-                          }}
-                          className={`rounded px-1.5 py-0.5 text-[9px] hover:bg-white/18 hover:text-white ${
-                            clipboard ? "bg-violet-500/60 text-white" : "bg-white/10 text-white/60"
-                          }`}
-                          title={clipboard ? `粘贴应用剪贴板：${clipboard.label || "图片"}` : "应用剪贴板为空；可先点槽位后 Cmd+V 粘贴系统图片"}
-                        >
-                          粘贴
-                        </button>
-                        <button
-                          type="button"
-                          onClick={() => openFusionUpload(slot)}
-                          className="rounded bg-white/10 px-1.5 py-0.5 text-[9px] text-white/70 hover:bg-white/18 hover:text-white"
-                        >
-                          上传
-                        </button>
+                      <div className="grid grid-cols-[34px_82px_112px_82px_minmax(150px,1fr)_78px] items-start gap-2">
+                        <div className="flex flex-col items-center gap-1 pt-1">
+                          <button
+                            type="button"
+                            onClick={() => setActiveFusionShot(i)}
+                            className={`h-8 w-8 rounded-md border text-[10px] font-mono transition ${
+                              active
+                                ? "border-amber-200/70 bg-amber-300/20 text-amber-50"
+                                : "border-white/10 bg-white/7 text-white/48 hover:border-amber-300/35 hover:text-white"
+                            }`}
+                            title={`切到镜头 ${i + 1}`}
+                          >
+                            {String(i + 1).padStart(2, "0")}
+                          </button>
+                          <span className={`rounded px-1 py-0.5 text-[8.5px] ${ready ? "bg-emerald-400/80 text-black" : "bg-white/10 text-white/45"}`}>
+                            {ready ? "就绪" : "待补"}
+                          </span>
+                        </div>
+
+                        {imageSlot("product_image", "产品图", productUrl)}
+
+                        <div className="overflow-hidden rounded-md border border-white/10 bg-black/24">
+                          <div
+                            ref={active ? fusionPersonWrapRef : undefined}
+                            onMouseDown={personUrl ? (ev) => {
+                              setActiveFusionShot(i)
+                              if (active) onFusionRegionDown(ev)
+                            } : undefined}
+                            onMouseMove={active ? onFusionRegionMove : undefined}
+                            onMouseUp={active ? onFusionRegionUp : undefined}
+                            onMouseLeave={active ? onFusionRegionUp : undefined}
+                            className={`relative aspect-[4/5] bg-white ${
+                              personUrl ? (active ? "cursor-crosshair" : "cursor-pointer") : ""
+                            }`}
+                            title={personUrl ? (active ? "拖动画出产品融合区域" : "点击后编辑此镜头区域") : "上传白底人物图"}
+                          >
+                            {personUrl ? (
+                              <>
+                                <img src={personUrl} alt="白底人物图" className="h-full w-full select-none object-contain" draggable={false} />
+                                {!active && (
+                                  <div className="absolute inset-x-1 bottom-1 rounded bg-black/55 px-1 py-0.5 text-center text-[8px] text-white/75">
+                                    点此编辑区域
+                                  </div>
+                                )}
+                              </>
+                            ) : (
+                              <button
+                                type="button"
+                                onClick={() => openFusionUpload("person_image", i)}
+                                className="absolute inset-0 flex flex-col items-center justify-center gap-1 text-[9.5px] text-black/35 hover:text-black/65"
+                              >
+                                <Upload className="h-3.5 w-3.5" />
+                                白底人物
+                              </button>
+                            )}
+                            {[shot.product_region, active ? fusionDraftRegion : null].filter(Boolean).map((region, regionIdx) => region && (
+                              <div
+                                key={regionIdx}
+                                className={`absolute pointer-events-none border-2 ${regionIdx === 0 ? "border-amber-300 bg-amber-300/10" : "border-dashed border-cyan-300"}`}
+                                style={{
+                                  left: `${region.x * 100}%`,
+                                  top: `${region.y * 100}%`,
+                                  width: `${region.w * 100}%`,
+                                  height: `${region.h * 100}%`,
+                                }}
+                              />
+                            ))}
+                          </div>
+                          <div className="border-t border-white/10 px-1 py-1">
+                            <div className="mb-1 truncate text-[8.5px] text-white/42">
+                              {shot.person_image?.label || (shot.product_region ? "人物图 · 已画区域" : "白底人物图")}
+                            </div>
+                            <div className="grid grid-cols-2 gap-1">
+                              <button
+                                type="button"
+                                onClick={() => pasteIntoSlot("person_image", "白底人物图")}
+                                className={`rounded px-1 py-0.5 text-[8.5px] transition ${
+                                  clipboard ? "bg-violet-500/60 text-white hover:bg-violet-400/70" : "bg-white/10 text-white/58 hover:bg-white/18 hover:text-white"
+                                }`}
+                              >
+                                粘贴
+                              </button>
+                              <button
+                                type="button"
+                                onClick={() => openFusionUpload("person_image", i)}
+                                className="rounded bg-white/10 px-1 py-0.5 text-[8.5px] text-white/65 transition hover:bg-white/18 hover:text-white"
+                              >
+                                上传
+                              </button>
+                            </div>
+                          </div>
+                        </div>
+
+                        {imageSlot("scene_image", "场景图", sceneUrl)}
+
+                        <label className="block">
+                          <div className="mb-1 flex items-center justify-between gap-2">
+                            <span className="text-[9px] text-white/38">描述词 · 人在干什么</span>
+                            <span className="text-[8.5px] text-white/30">#{i + 1}</span>
+                          </div>
+                          <textarea
+                            value={shot.action_text ?? ""}
+                            onFocus={() => setActiveFusionShot(i)}
+                            onChange={(e) => updateFusionShot(i, { action_text: e.target.value })}
+                            onBlur={(e) => {
+                              const next = fusionShots.map((item, idx) => (idx === i ? { ...item, action_text: e.currentTarget.value } : item))
+                              void persistFusionShots(next)
+                            }}
+                            placeholder="描述这个镜头里人物和产品的动作、位置、节奏。"
+                            className="h-[92px] w-full resize-none rounded-md border border-white/10 bg-black/35 px-2 py-1.5 text-[10px] leading-relaxed text-white/75 outline-none placeholder:text-white/25 focus:border-amber-300/45"
+                          />
+                        </label>
+
+                        <div className="flex flex-col gap-1.5">
+                          <select
+                            value={shot.duration ?? 5}
+                            onFocus={() => setActiveFusionShot(i)}
+                            onChange={(e) => updateFusionShot(i, { duration: Number(e.target.value) }, true)}
+                            className="h-7 w-full rounded-md border border-white/10 bg-black/35 px-1.5 text-[10px] text-white/75 outline-none focus:border-amber-300/45"
+                            title="视频秒数"
+                          >
+                            {FUSION_DURATIONS.map((seconds) => (
+                              <option key={seconds} value={seconds}>{seconds}s</option>
+                            ))}
+                          </select>
+                          <button
+                            type="button"
+                            onClick={() => {
+                              setActiveFusionShot(i)
+                              void runFusionVideo(i)
+                            }}
+                            disabled={!!fusionGenerating || !onGenerateProductFusionVideo}
+                            className="inline-flex h-9 items-center justify-center gap-1 rounded-md bg-amber-500/75 px-1.5 text-[10px] font-medium text-white transition hover:bg-amber-400 disabled:cursor-not-allowed disabled:opacity-40"
+                          >
+                            {busy ? <Loader2 className="h-3 w-3 animate-spin" /> : <Play className="h-3 w-3" />}
+                            生成
+                          </button>
+                          <button
+                            type="button"
+                            onClick={() => setActiveFusionShot(i)}
+                            className={`h-7 rounded-md border px-1.5 text-[9px] transition ${
+                              active
+                                ? "border-amber-300/55 bg-amber-500/18 text-amber-50"
+                                : "border-white/10 bg-white/7 text-white/50 hover:border-amber-300/35 hover:text-white"
+                            }`}
+                          >
+                            {active ? "当前" : "编辑"}
+                          </button>
+                        </div>
                       </div>
                     </div>
-                  </div>
-                ))}
-              </div>
-              <div className="mt-3 rounded-lg border border-white/10 bg-black/30 p-2">
-                <div className="mb-2 flex items-center justify-between gap-2">
-                  <div className="text-[11px] font-semibold text-white">产品区域 · 在人物图上画框</div>
-                  <span className="text-[9px] text-white/35">产品只在框内融合</span>
-                </div>
-                <div
-                  ref={fusionPersonWrapRef}
-                  onMouseDown={onFusionRegionDown}
-                  onMouseMove={onFusionRegionMove}
-                  onMouseUp={onFusionRegionUp}
-                  onMouseLeave={onFusionRegionUp}
-                  className={`relative overflow-hidden rounded-md border border-white/10 bg-white ${currentFusionPersonUrl ? "cursor-crosshair" : ""}`}
-                >
-                  {currentFusionPersonUrl ? (
-                    <img src={currentFusionPersonUrl} alt="fusion person" className="block w-full select-none object-contain" draggable={false} />
-                  ) : (
-                    <div className="flex h-64 items-center justify-center text-[11px] text-black/35">先上传白底人物图</div>
-                  )}
-                  {[currentFusionShot?.product_region, fusionDraftRegion].filter(Boolean).map((region, i) => region && (
-                    <div
-                      key={i}
-                      className={`absolute pointer-events-none border-2 ${i === 0 ? "border-amber-300 bg-amber-300/10" : "border-dashed border-cyan-300"}`}
-                      style={{
-                        left: `${region.x * 100}%`,
-                        top: `${region.y * 100}%`,
-                        width: `${region.w * 100}%`,
-                        height: `${region.h * 100}%`,
-                      }}
-                    />
-                  ))}
-                </div>
+                  )
+                })}
               </div>
             </section>
           ) : (
@@ -1412,7 +1531,7 @@ export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, o
             <>
               <section className="rounded-lg border border-amber-300/18 bg-amber-500/[0.08] p-2.5 text-[10.5px] leading-relaxed text-white/58">
                 <div className="mb-2 flex items-center justify-between gap-2">
-                  <div className="text-[12px] font-semibold text-white">镜头 {activeFusionShot + 1} 设置</div>
+                  <div className="text-[12px] font-semibold text-white">产品融合辅助</div>
                   <span className="text-[9px] text-white/40">{fusionSaving ? "保存中" : "自动保存"}</span>
                 </div>
                 <div className="mb-2 grid grid-cols-2 gap-1.5">
@@ -1425,46 +1544,29 @@ export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, o
                     <div className="text-white/80">Seedance</div>
                   </div>
                 </div>
-                <label className="mb-2 block">
-                  <span className="mb-1 block text-[9px] text-white/35">视频秒数</span>
-                  <select
-                    value={currentFusionShot?.duration ?? 5}
-                    onChange={(e) => updateFusionShot(activeFusionShot, { duration: Number(e.target.value) }, true)}
-                    className="h-8 w-full rounded-md border border-white/10 bg-black/35 px-2 text-[11px] text-white/75 outline-none"
-                  >
-                    {FUSION_DURATIONS.map((seconds) => (
-                      <option key={seconds} value={seconds}>{seconds} 秒</option>
-                    ))}
-                  </select>
-                </label>
-                <label className="mb-2 block">
+                <div className="mb-2 rounded-md border border-white/10 bg-black/25 px-2 py-1.5">
                   <div className="mb-1 flex items-center justify-between gap-2">
-                    <span className="text-[9px] text-white/35">描述词 · 人在干什么</span>
-                    <button
-                      type="button"
-                      onClick={draftFusionDescriptions}
-                      className="rounded bg-white/10 px-1.5 py-0.5 text-[9.5px] text-white/60 hover:bg-white/18 hover:text-white"
-                    >
-                      AI 草拟 6 条
-                    </button>
+                    <span className="font-mono text-[10px] text-amber-100">当前镜头 {activeFusionShot + 1}</span>
+                    <span className="text-[9px] text-white/38">{currentFusionShot?.duration ?? 5}s</span>
                   </div>
-                  <textarea
-                    value={currentFusionShot?.action_text ?? ""}
-                    onChange={(e) => updateFusionShot(activeFusionShot, { action_text: e.target.value })}
-                    onBlur={() => void persistFusionShots(fusionShots)}
-                    placeholder="例如：人物把 SKG 颈部按摩仪戴到脖子上，手部轻轻调整两侧机身，场景是办公桌前。"
-                    className="h-24 w-full resize-none rounded-md border border-white/10 bg-black/35 px-2 py-1.5 text-[10px] leading-relaxed text-white/75 outline-none placeholder:text-white/25"
-                  />
-                </label>
+                  <div className="grid grid-cols-2 gap-x-2 gap-y-1 text-[9.5px]">
+                    <span className={currentFusionShot?.product_image ? "text-emerald-200/80" : "text-white/35"}>产品图</span>
+                    <span className={currentFusionShot?.person_image ? "text-emerald-200/80" : "text-white/35"}>白底人物</span>
+                    <span className={currentFusionShot?.product_region ? "text-emerald-200/80" : "text-white/35"}>产品区域</span>
+                    <span className={currentFusionShot?.scene_image ? "text-emerald-200/80" : "text-white/35"}>场景图</span>
+                  </div>
+                  <div className={`mt-1 truncate text-[9.5px] ${currentFusionShot?.action_text?.trim() ? "text-white/58" : "text-white/32"}`}>
+                    {currentFusionShot?.action_text?.trim() || "描述词未填写"}
+                  </div>
+                </div>
                 <div className="grid grid-cols-2 gap-1.5">
                   <button
                     type="button"
-                    onClick={() => void runFusionVideo(activeFusionShot)}
-                    disabled={!!fusionGenerating || !onGenerateProductFusionVideo}
-                    className="rounded-md bg-amber-500/75 px-2 py-1.5 text-[11px] font-medium text-white transition hover:bg-amber-400 disabled:cursor-not-allowed disabled:opacity-40 inline-flex items-center justify-center gap-1"
+                    onClick={draftFusionDescriptions}
+                    className="rounded-md bg-white/10 px-2 py-1.5 text-[11px] font-medium text-white/75 transition hover:bg-white/18 hover:text-white inline-flex items-center justify-center gap-1"
                   >
-                    {fusionGenerating === activeFusionShot ? <Loader2 className="h-3 w-3 animate-spin" /> : <Play className="h-3 w-3" />}
-                    生成本条
+                    <Sparkles className="h-3 w-3" />
+                    AI 草拟 6 条
                   </button>
                   <button
                     type="button"
@@ -1481,8 +1583,8 @@ export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, o
                 jobId={jobId}
                 compact
                 buttonLabel="选用"
-                title="当前镜头产品图"
-                onPick={(ref) => assignFusionImage("product_image", ref)}
+                title={`镜头 ${activeFusionShot + 1} 产品图`}
+                onPick={(ref) => assignFusionImage("product_image", ref, activeFusionShot)}
               />
             </>
           )}