diff --git a/components/canvas/RealtimeCanvasDialog.tsx b/components/canvas/RealtimeCanvasDialog.tsx
index dc3c1eb28..0d3278395 100644
--- a/components/canvas/RealtimeCanvasDialog.tsx
+++ b/components/canvas/RealtimeCanvasDialog.tsx
@@ -2253,65 +2253,300 @@ export function RealtimeCanvasDialog({
             <DialogDescription>左侧绘制草图，右侧实时预览。</DialogDescription>
           </DialogHeader>
         )}
-        {standalone ? (
-          <Button
-            type="button"
-            variant="ghost"
-            size="icon"
-            className="absolute right-4 top-4 z-[60] h-9 w-9 rounded-full bg-background/85 shadow-sm"
-            onClick={() => onOpenChange(false)}
-            title="返回画布"
-          >
-            <X className="h-5 w-5" />
-          </Button>
-        ) : null}
-        {/* Top Header - Minimal */}
-        <div className="absolute left-0 right-0 top-0 z-50 flex h-14 items-center justify-start px-6 bg-gradient-to-b from-black/20 to-transparent pointer-events-none">
-          <div className="pointer-events-auto flex items-center gap-3 rounded-full bg-background/95 backdrop-blur-sm px-4 py-1.5 border border-border/50 shadow-sm">
-            <span className="font-semibold text-sm">Realtime Canvas</span>
-            <div className="h-4 w-[1px] bg-border" />
-            <span className={cn("flex items-center gap-1.5 text-xs font-medium", statusBadge.className, "bg-transparent p-0")}>
-              <div className={cn("h-2 w-2 rounded-full", status === "live" ? "bg-emerald-500 animate-pulse" : status === "error" ? "bg-rose-500" : "bg-zinc-400")} />
-              {statusBadge.label}
-            </span>
-            <div className="h-4 w-[1px] bg-border" />
-            <Button
-              type="button"
-              size="sm"
-              variant="ghost"
-              className="h-8 rounded-full px-3 text-xs"
-              onClick={() => void saveCurrentProject()}
-            >
-              <Save className="mr-1.5 h-3.5 w-3.5" />
-              保存项目
-            </Button>
-            <Button
-              type="button"
-              size="sm"
-              variant="ghost"
-              className="h-8 rounded-full px-3 text-xs"
-              onClick={() => {
-                refreshSavedProjects();
-                setProjectPanelOpen((openState) => !openState);
-              }}
-            >
-              <FolderOpen className="mr-1.5 h-3.5 w-3.5" />
-              项目列表
-            </Button>
-            <Button
-              type="button"
-              size="sm"
-              variant="ghost"
-              className="h-8 rounded-full px-3 text-xs"
-              onClick={startBlankProject}
-            >
-              <Plus className="mr-1.5 h-3.5 w-3.5" />
-              新建空白
-            </Button>
+        <div className="absolute left-4 right-4 top-4 z-50 pointer-events-none">
+          <div className="pointer-events-auto rounded-[28px] border border-black/10 bg-white/96 shadow-[0_22px_70px_rgba(15,23,42,0.14)] backdrop-blur-sm">
+            <div className="flex flex-wrap items-center gap-2 px-3 py-3">
+              <div className="flex items-center gap-3 rounded-full border border-black/10 bg-zinc-50 px-4 py-2">
+                <span className="text-sm font-semibold text-zinc-900">Realtime Canvas</span>
+                <span
+                  className={cn(
+                    "flex items-center gap-1.5 rounded-full px-2.5 py-1 text-xs font-medium",
+                    statusBadge.className
+                  )}
+                >
+                  <span
+                    className={cn(
+                      "h-2 w-2 rounded-full",
+                      status === "live"
+                        ? "bg-emerald-500 animate-pulse"
+                        : status === "error"
+                          ? "bg-rose-500"
+                          : "bg-zinc-400"
+                    )}
+                  />
+                  {statusBadge.label}
+                </span>
+                <span className="hidden text-xs text-zinc-500 sm:inline">
+                  延迟 {adaptiveThrottleMs}ms
+                </span>
+              </div>
+
+              <div className="flex flex-wrap items-center gap-1 rounded-full border border-black/10 bg-white px-1.5 py-1">
+                <Button
+                  type="button"
+                  size="sm"
+                  variant="ghost"
+                  className="h-9 rounded-full px-3 text-xs"
+                  onClick={() => void saveCurrentProject()}
+                >
+                  <Save className="mr-1.5 h-3.5 w-3.5" />
+                  保存项目
+                </Button>
+                <Button
+                  type="button"
+                  size="sm"
+                  variant="ghost"
+                  className="h-9 rounded-full px-3 text-xs"
+                  onClick={() => {
+                    refreshSavedProjects();
+                    setProjectPanelOpen((openState) => !openState);
+                  }}
+                >
+                  <FolderOpen className="mr-1.5 h-3.5 w-3.5" />
+                  项目列表
+                </Button>
+                <Button
+                  type="button"
+                  size="sm"
+                  variant="ghost"
+                  className="h-9 rounded-full px-3 text-xs"
+                  onClick={startBlankProject}
+                >
+                  <Plus className="mr-1.5 h-3.5 w-3.5" />
+                  新建空白
+                </Button>
+                {standalone ? (
+                  <Button
+                    type="button"
+                    size="icon"
+                    variant="ghost"
+                    className="h-9 w-9 rounded-full"
+                    onClick={() => onOpenChange(false)}
+                    title="返回画布"
+                  >
+                    <X className="h-4 w-4" />
+                  </Button>
+                ) : null}
+              </div>
+
+              <div className="flex flex-wrap items-center gap-1 rounded-full border border-black/10 bg-white px-1.5 py-1">
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className={cn(
+                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    brushMode === "brush" && "bg-black text-white hover:bg-black"
+                  )}
+                  onClick={() => setBrushMode("brush")}
+                  title="画笔"
+                >
+                  <Paintbrush className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className={cn(
+                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    brushMode === "eraser" && "bg-black text-white hover:bg-black"
+                  )}
+                  onClick={() => setBrushMode("eraser")}
+                  title="橡皮"
+                >
+                  <Eraser className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className={cn(
+                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    brushMode === "rect" && "bg-black text-white hover:bg-black"
+                  )}
+                  onClick={() => setBrushMode("rect")}
+                  title="矩形"
+                >
+                  <Square className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className={cn(
+                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    brushMode === "circle" && "bg-black text-white hover:bg-black"
+                  )}
+                  onClick={() => setBrushMode("circle")}
+                  title="圆形"
+                >
+                  <CircleIcon className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className={cn(
+                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    brushMode === "line" && "bg-black text-white hover:bg-black"
+                  )}
+                  onClick={() => setBrushMode("line")}
+                  title="直线"
+                >
+                  <Slash className="h-5 w-5" />
+                </Button>
+              </div>
+
+              <div className="flex flex-wrap items-center gap-2 rounded-full border border-black/10 bg-zinc-50 px-3 py-2">
+                <button
+                  type="button"
+                  className="flex h-10 items-center gap-2 rounded-full border border-black/10 bg-white px-3 text-xs font-medium text-zinc-700 transition hover:bg-zinc-50"
+                  onClick={() => colorInputRef.current?.click()}
+                  title="选择画笔颜色"
+                >
+                  <span
+                    className="h-5 w-5 rounded-full border border-black/15 shadow-inner"
+                    style={{ backgroundColor: brushColor }}
+                  />
+                  颜色
+                </button>
+                <input
+                  ref={colorInputRef}
+                  type="color"
+                  value={brushColor}
+                  onChange={(event) => setBrushColor(event.target.value)}
+                  className="sr-only"
+                  title="自定义颜色"
+                />
+                <span className="min-w-[64px] text-[11px] uppercase tracking-wide text-zinc-500">
+                  {brushColor}
+                </span>
+                <div className="flex min-w-[210px] flex-1 items-center gap-3 rounded-full border border-black/10 bg-white px-3 py-2">
+                  <span className="whitespace-nowrap text-xs font-medium text-zinc-600">
+                    粗细 {brushSize}
+                  </span>
+                  <Slider
+                    value={[brushSize]}
+                    min={2}
+                    max={50}
+                    step={1}
+                    onValueChange={([val]) => setBrushSize(val)}
+                    className="min-w-[140px] flex-1 [&>span:first-child]:h-2.5 [&>span:first-child]:bg-zinc-200 [&>span:first-child]:shadow-inner [&>span:first-child>span]:bg-sky-500 [&>span:last-child]:h-5 [&>span:last-child]:w-5 [&>span:last-child]:border-2 [&>span:last-child]:border-sky-500 [&>span:last-child]:bg-white"
+                  />
+                </div>
+                <div className="flex items-center gap-1 rounded-full border border-black/10 bg-white px-2 py-2">
+                  {CANVAS_BACKGROUND_PRESETS.map((color) => (
+                    <button
+                      key={color}
+                      type="button"
+                      className={cn(
+                        "h-5 w-5 rounded-full border border-black/15 transition-all",
+                        canvasBackground === color && "scale-110 ring-2 ring-black/20"
+                      )}
+                      style={{ backgroundColor: color }}
+                      onClick={() => handleCanvasBackgroundChange(color)}
+                      title="画布底色"
+                    />
+                  ))}
+                </div>
+              </div>
+
+              <div className="flex flex-wrap items-center gap-1 rounded-full border border-black/10 bg-white px-1.5 py-1">
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  onClick={() => uploadInputRef.current?.click()}
+                  title="上传图片"
+                >
+                  <Upload className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  onClick={clearSketch}
+                  title="清空"
+                >
+                  <Trash2 className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  onClick={undo}
+                  disabled={!canUndo}
+                  title="撤销"
+                >
+                  <Undo2 className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  onClick={redo}
+                  disabled={!canRedo}
+                  title="重做"
+                >
+                  <Redo2 className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  onClick={handleDownloadCanvas}
+                  title="保存图片"
+                >
+                  <Download className="h-5 w-5" />
+                </Button>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  onClick={forceReconnect}
+                  title="重连"
+                >
+                  <RefreshCw className="h-5 w-5" />
+                </Button>
+              </div>
+
+              <div className="flex min-w-[280px] flex-1 flex-wrap items-center gap-2 rounded-[22px] border border-black/10 bg-zinc-50 px-2 py-2">
+                <div className="flex h-10 w-10 items-center justify-center rounded-full bg-primary/10 text-primary">
+                  <Sparkles className="h-4 w-4" />
+                </div>
+                <Input
+                  value={prompt}
+                  onChange={(e) => setPrompt(e.target.value)}
+                  onBlur={() => scheduleFlush(true, false)}
+                  placeholder="输入指令，基于当前画布实时生成"
+                  className="h-10 min-w-[180px] flex-1 border-0 bg-transparent px-2 text-sm shadow-none focus-visible:ring-0"
+                />
+                <Button
+                  size="sm"
+                  className="h-10 rounded-xl px-4 font-medium"
+                  onClick={triggerGenerate}
+                  disabled={status === "connecting"}
+                >
+                  {status === "connecting" ? (
+                    <Loader2 className="h-4 w-4 animate-spin" />
+                  ) : (
+                    "生成"
+                  )}
+                </Button>
+                <Button
+                  size="sm"
+                  variant="outline"
+                  className="h-10 rounded-xl px-4 font-medium"
+                  onClick={handleApplyToCanvas}
+                  disabled={!previewUrl}
+                >
+                  <Send className="mr-1.5 h-4 w-4" />
+                  发送到画布
+                </Button>
+                <span className="ml-auto text-xs text-zinc-500">
+                  {statusMessage}
+                </span>
+              </div>
+            </div>
           </div>
         </div>
         {projectPanelOpen ? (
-          <div className="absolute left-6 top-16 z-40 w-[22rem] max-w-[calc(100vw-2rem)] rounded-[24px] border border-black/10 bg-white/95 p-4 shadow-2xl backdrop-blur-xl">
+          <div className="absolute left-4 top-28 z-40 w-[22rem] max-w-[calc(100vw-2rem)] rounded-[24px] border border-black/10 bg-white/95 p-4 shadow-2xl backdrop-blur-xl">
             <div className="flex items-center justify-between">
               <div>
                 <div className="text-sm font-semibold text-zinc-900">项目列表</div>
@@ -2450,7 +2685,7 @@ export function RealtimeCanvasDialog({
                     />
                 </div>
              </div>
-             <div className="absolute right-4 top-20 bottom-32 z-10 flex w-[min(16rem,42vw)] flex-col rounded-[22px] border border-black/10 bg-white/92 p-3 shadow-xl backdrop-blur-xl">
+             <div className="absolute left-3 top-28 bottom-4 z-10 flex w-[11.75rem] max-w-[38vw] flex-col rounded-[20px] border border-black/10 bg-white/96 p-3 shadow-xl">
                 <div className="flex items-center justify-between border-b border-black/10 pb-3">
                   <div className="flex items-center gap-2 text-sm font-semibold text-zinc-900">
                     <Layers3 className="h-4 w-4" />
@@ -2597,6 +2832,7 @@ export function RealtimeCanvasDialog({
                             scheduleFlush(true);
                           }
                         }}
+                        className="flex-1 [&>span:first-child]:h-2.5 [&>span:first-child]:bg-zinc-200 [&>span:first-child]:shadow-inner [&>span:first-child>span]:bg-sky-500 [&>span:last-child]:h-5 [&>span:last-child]:w-5 [&>span:last-child]:border-2 [&>span:last-child]:border-sky-500 [&>span:last-child]:bg-white"
                       />
                       <Button
                         type="button"
@@ -2656,254 +2892,14 @@ export function RealtimeCanvasDialog({
           </div>
         </div>
 
-        {/* Floating Toolbar - Top (Lovart-like) */}
-        <div className="absolute left-1/2 top-[72px] z-20 -translate-x-1/2 pointer-events-none">
-          <div className="pointer-events-auto flex items-center gap-1 rounded-[30px] border border-black/10 bg-white/90 p-2 shadow-xl backdrop-blur-xl">
-            <Button
-              size="icon"
-              variant="ghost"
-              className={cn(
-                "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
-                brushMode === "brush" && "bg-black text-white hover:bg-black"
-              )}
-              onClick={() => setBrushMode("brush")}
-              title="画笔"
-            >
-              <Paintbrush className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className={cn(
-                "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
-                brushMode === "eraser" && "bg-black text-white hover:bg-black"
-              )}
-              onClick={() => setBrushMode("eraser")}
-              title="橡皮"
-            >
-              <Eraser className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className={cn(
-                "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
-                brushMode === "rect" && "bg-black text-white hover:bg-black"
-              )}
-              onClick={() => setBrushMode("rect")}
-              title="矩形"
-            >
-              <Square className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className={cn(
-                "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
-                brushMode === "circle" && "bg-black text-white hover:bg-black"
-              )}
-              onClick={() => setBrushMode("circle")}
-              title="圆形"
-            >
-              <CircleIcon className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className={cn(
-                "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
-                brushMode === "line" && "bg-black text-white hover:bg-black"
-              )}
-              onClick={() => setBrushMode("line")}
-              title="直线"
-            >
-              <Slash className="h-5 w-5" />
-            </Button>
-
-            <div className="mx-1 h-7 w-px bg-black/10" />
-
-            <div className="flex items-center gap-2 px-1">
-              <button
-                type="button"
-                className="flex h-10 items-center gap-2 rounded-full border border-black/10 bg-white px-3 text-xs font-medium text-zinc-700 transition hover:bg-zinc-50"
-                onClick={() => colorInputRef.current?.click()}
-                title="选择画笔颜色"
-              >
-                <span
-                  className="h-5 w-5 rounded-full border border-black/15 shadow-inner"
-                  style={{ backgroundColor: brushColor }}
-                />
-                颜色
-              </button>
-              <input
-                ref={colorInputRef}
-                type="color"
-                value={brushColor}
-                onChange={(event) => setBrushColor(event.target.value)}
-                className="sr-only"
-                title="自定义颜色"
-              />
-              <span className="min-w-[58px] text-[11px] uppercase tracking-wide text-zinc-400">
-                {brushColor}
-              </span>
-            </div>
-
-            <div className="mx-1 h-7 w-px bg-black/10" />
-
-            <div className="flex min-w-[132px] items-center gap-2 px-1">
-              <span className="whitespace-nowrap text-xs font-medium text-zinc-600">
-                粗细 {brushSize}
-              </span>
-              <Slider
-                value={[brushSize]}
-                min={2}
-                max={50}
-                step={1}
-                onValueChange={([val]) => setBrushSize(val)}
-              />
-            </div>
-
-            <div className="mx-1 h-7 w-px bg-black/10" />
-
-            <div className="flex items-center gap-1">
-              {CANVAS_BACKGROUND_PRESETS.map((color) => (
-                <button
-                  key={color}
-                  type="button"
-                  className={cn(
-                    "h-4 w-4 rounded border border-black/15 transition-all",
-                    canvasBackground === color && "scale-110 ring-2 ring-black/20"
-                  )}
-                  style={{ backgroundColor: color }}
-                  onClick={() => handleCanvasBackgroundChange(color)}
-                  title="画布底色"
-                />
-              ))}
-            </div>
-
-            <div className="mx-1 h-7 w-px bg-black/10" />
-
-            <Button
-              size="icon"
-              variant="ghost"
-              className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
-              onClick={() => uploadInputRef.current?.click()}
-              title="上传图片"
-            >
-              <Upload className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
-              onClick={clearSketch}
-              title="清空"
-            >
-              <Trash2 className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
-              onClick={undo}
-              disabled={!canUndo}
-              title="撤销"
-            >
-              <Undo2 className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
-              onClick={redo}
-              disabled={!canRedo}
-              title="重做"
-            >
-              <Redo2 className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
-              onClick={triggerGenerate}
-              disabled={status === "connecting"}
-              title="生成"
-            >
-              {status === "connecting" ? (
-                <Loader2 className="h-5 w-5 animate-spin" />
-              ) : (
-                <Sparkles className="h-5 w-5" />
-              )}
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
-              onClick={handleDownloadCanvas}
-              title="保存"
-            >
-              <Download className="h-5 w-5" />
-            </Button>
-            <Button
-              size="icon"
-              variant="ghost"
-              className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
-              onClick={forceReconnect}
-              title="重连"
-            >
-              <RefreshCw className="h-5 w-5" />
-            </Button>
-          </div>
-          <input
-            ref={uploadInputRef}
-            type="file"
-            accept="image/*"
-            multiple
-            className="hidden"
-            onChange={handleSketchUpload}
-          />
-        </div>
-
-        {/* Floating Toolbar - Bottom (Prompt) */}
-        <div className="absolute bottom-8 left-1/2 -translate-x-1/2 w-full max-w-2xl px-4 z-20 pointer-events-none">
-           <div className="pointer-events-auto flex flex-col gap-2 p-1.5 bg-background/80 backdrop-blur-xl border border-border/50 shadow-2xl rounded-[24px]">
-              <div className="flex items-center gap-2 pl-2 pr-1.5 py-1">
-                 <div className="flex h-8 w-8 items-center justify-center rounded-full bg-primary/10 text-primary">
-                    <Sparkles className="h-4 w-4" />
-                 </div>
-                 <Input
-                    value={prompt}
-                    onChange={(e) => setPrompt(e.target.value)}
-                    onBlur={() => scheduleFlush(true, false)}
-                    placeholder="Describe what you want to create..."
-                    className="flex-1 h-10 border-0 bg-transparent focus-visible:ring-0 px-2 text-base shadow-none"
-                 />
-                 <Button 
-                    size="sm" 
-                    className="h-9 rounded-xl px-4 font-medium"
-                    onClick={triggerGenerate}
-                    disabled={status === 'connecting'}
-                 >
-                    {status === 'connecting' ? <Loader2 className="h-4 w-4 animate-spin" /> : 'Generate'}
-                 </Button>
-                 <Button
-                    size="sm"
-                    variant="outline"
-                    className="h-9 rounded-xl px-4 font-medium"
-                    onClick={handleApplyToCanvas}
-                    disabled={!previewUrl}
-                 >
-                    <Send className="h-4 w-4 mr-1.5" />
-                    发送到画布
-                 </Button>
-              </div>
-           </div>
-           <div className="text-center mt-2">
-              <span className="text-[10px] text-white/50 bg-black/40 px-3 py-1 rounded-full backdrop-blur-sm">
-                 {statusMessage} • Latency: {adaptiveThrottleMs}ms
-              </span>
-           </div>
-        </div>
+        <input
+          ref={uploadInputRef}
+          type="file"
+          accept="image/*"
+          multiple
+          className="hidden"
+          onChange={handleSketchUpload}
+        />
     </>
   );