diff --git a/components/canvas/RealtimeCanvasDialog.tsx b/components/canvas/RealtimeCanvasDialog.tsx
index 0d3278395..19bc01314 100644
--- a/components/canvas/RealtimeCanvasDialog.tsx
+++ b/components/canvas/RealtimeCanvasDialog.tsx
@@ -2254,13 +2254,13 @@ export function RealtimeCanvasDialog({
           </DialogHeader>
         )}
         <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">
+          <div className="pointer-events-auto rounded-[24px] border border-black/10 bg-white/98 shadow-[0_12px_36px_rgba(15,23,42,0.1)]">
+            <div className="flex items-center gap-2 overflow-x-auto px-2 py-2 [-ms-overflow-style:none] [scrollbar-width:none] [&::-webkit-scrollbar]:hidden">
+              <div className="flex h-10 shrink-0 items-center gap-2 rounded-full border border-black/10 bg-zinc-50 px-3">
                 <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",
+                    "flex items-center gap-1.5 rounded-full px-2 py-1 text-xs font-medium",
                     statusBadge.className
                   )}
                 >
@@ -2281,12 +2281,12 @@ export function RealtimeCanvasDialog({
                 </span>
               </div>
 
-              <div className="flex flex-wrap items-center gap-1 rounded-full border border-black/10 bg-white px-1.5 py-1">
+              <div className="flex h-10 shrink-0 items-center gap-0.5 rounded-full border border-black/10 bg-white px-1">
                 <Button
                   type="button"
                   size="sm"
                   variant="ghost"
-                  className="h-9 rounded-full px-3 text-xs"
+                  className="h-8 rounded-full px-2.5 text-xs"
                   onClick={() => void saveCurrentProject()}
                 >
                   <Save className="mr-1.5 h-3.5 w-3.5" />
@@ -2296,7 +2296,7 @@ export function RealtimeCanvasDialog({
                   type="button"
                   size="sm"
                   variant="ghost"
-                  className="h-9 rounded-full px-3 text-xs"
+                  className="h-8 rounded-full px-2.5 text-xs"
                   onClick={() => {
                     refreshSavedProjects();
                     setProjectPanelOpen((openState) => !openState);
@@ -2309,7 +2309,7 @@ export function RealtimeCanvasDialog({
                   type="button"
                   size="sm"
                   variant="ghost"
-                  className="h-9 rounded-full px-3 text-xs"
+                  className="h-8 rounded-full px-2.5 text-xs"
                   onClick={startBlankProject}
                 >
                   <Plus className="mr-1.5 h-3.5 w-3.5" />
@@ -2320,7 +2320,7 @@ export function RealtimeCanvasDialog({
                     type="button"
                     size="icon"
                     variant="ghost"
-                    className="h-9 w-9 rounded-full"
+                    className="h-8 w-8 rounded-full"
                     onClick={() => onOpenChange(false)}
                     title="返回画布"
                   >
@@ -2329,12 +2329,12 @@ export function RealtimeCanvasDialog({
                 ) : null}
               </div>
 
-              <div className="flex flex-wrap items-center gap-1 rounded-full border border-black/10 bg-white px-1.5 py-1">
+              <div className="flex h-10 shrink-0 items-center gap-0.5 rounded-full border border-black/10 bg-white px-1">
                 <Button
                   size="icon"
                   variant="ghost"
                   className={cn(
-                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    "h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100",
                     brushMode === "brush" && "bg-black text-white hover:bg-black"
                   )}
                   onClick={() => setBrushMode("brush")}
@@ -2346,7 +2346,7 @@ export function RealtimeCanvasDialog({
                   size="icon"
                   variant="ghost"
                   className={cn(
-                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    "h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100",
                     brushMode === "eraser" && "bg-black text-white hover:bg-black"
                   )}
                   onClick={() => setBrushMode("eraser")}
@@ -2358,7 +2358,7 @@ export function RealtimeCanvasDialog({
                   size="icon"
                   variant="ghost"
                   className={cn(
-                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    "h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100",
                     brushMode === "rect" && "bg-black text-white hover:bg-black"
                   )}
                   onClick={() => setBrushMode("rect")}
@@ -2370,7 +2370,7 @@ export function RealtimeCanvasDialog({
                   size="icon"
                   variant="ghost"
                   className={cn(
-                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    "h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100",
                     brushMode === "circle" && "bg-black text-white hover:bg-black"
                   )}
                   onClick={() => setBrushMode("circle")}
@@ -2382,7 +2382,7 @@ export function RealtimeCanvasDialog({
                   size="icon"
                   variant="ghost"
                   className={cn(
-                    "h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100",
+                    "h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100",
                     brushMode === "line" && "bg-black text-white hover:bg-black"
                   )}
                   onClick={() => setBrushMode("line")}
@@ -2392,10 +2392,10 @@ export function RealtimeCanvasDialog({
                 </Button>
               </div>
 
-              <div className="flex flex-wrap items-center gap-2 rounded-full border border-black/10 bg-zinc-50 px-3 py-2">
+              <div className="flex h-10 shrink-0 items-center gap-2 rounded-full border border-black/10 bg-zinc-50 px-3">
                 <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"
+                  className="flex h-8 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"
                 >
@@ -2416,7 +2416,7 @@ export function RealtimeCanvasDialog({
                 <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">
+                <div className="flex w-[210px] items-center gap-3 rounded-full border border-black/10 bg-white px-3 py-1.5">
                   <span className="whitespace-nowrap text-xs font-medium text-zinc-600">
                     粗细 {brushSize}
                   </span>
@@ -2429,7 +2429,7 @@ export function RealtimeCanvasDialog({
                     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">
+                <div className="flex h-8 items-center gap-1 rounded-full border border-black/10 bg-white px-2">
                   {CANVAS_BACKGROUND_PRESETS.map((color) => (
                     <button
                       key={color}
@@ -2446,11 +2446,11 @@ export function RealtimeCanvasDialog({
                 </div>
               </div>
 
-              <div className="flex flex-wrap items-center gap-1 rounded-full border border-black/10 bg-white px-1.5 py-1">
+              <div className="flex h-10 shrink-0 items-center gap-0.5 rounded-full border border-black/10 bg-white px-1">
                 <Button
                   size="icon"
                   variant="ghost"
-                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  className="h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100"
                   onClick={() => uploadInputRef.current?.click()}
                   title="上传图片"
                 >
@@ -2459,7 +2459,7 @@ export function RealtimeCanvasDialog({
                 <Button
                   size="icon"
                   variant="ghost"
-                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  className="h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100"
                   onClick={clearSketch}
                   title="清空"
                 >
@@ -2468,7 +2468,7 @@ export function RealtimeCanvasDialog({
                 <Button
                   size="icon"
                   variant="ghost"
-                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  className="h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100"
                   onClick={undo}
                   disabled={!canUndo}
                   title="撤销"
@@ -2478,7 +2478,7 @@ export function RealtimeCanvasDialog({
                 <Button
                   size="icon"
                   variant="ghost"
-                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  className="h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100"
                   onClick={redo}
                   disabled={!canRedo}
                   title="重做"
@@ -2488,7 +2488,7 @@ export function RealtimeCanvasDialog({
                 <Button
                   size="icon"
                   variant="ghost"
-                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  className="h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100"
                   onClick={handleDownloadCanvas}
                   title="保存图片"
                 >
@@ -2497,7 +2497,7 @@ export function RealtimeCanvasDialog({
                 <Button
                   size="icon"
                   variant="ghost"
-                  className="h-10 w-10 rounded-full text-zinc-600 hover:bg-zinc-100"
+                  className="h-8 w-8 rounded-full text-zinc-600 hover:bg-zinc-100"
                   onClick={forceReconnect}
                   title="重连"
                 >
@@ -2505,48 +2505,11 @@ export function RealtimeCanvasDialog({
                 </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-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="absolute left-4 top-20 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>
@@ -2900,6 +2863,45 @@ export function RealtimeCanvasDialog({
           className="hidden"
           onChange={handleSketchUpload}
         />
+        <div className="absolute bottom-5 left-1/2 z-20 w-[min(760px,calc(100vw-2rem))] -translate-x-1/2 pointer-events-none">
+          <div className="pointer-events-auto flex items-center gap-2 rounded-[22px] border border-black/10 bg-white/96 px-2 py-2 shadow-[0_12px_40px_rgba(15,23,42,0.12)]">
+            <div className="flex h-9 w-9 shrink-0 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-9 flex-1 border-0 bg-transparent px-1 text-sm shadow-none focus-visible:ring-0"
+            />
+            <span className="hidden whitespace-nowrap text-xs text-zinc-500 xl:inline">
+              {statusMessage}
+            </span>
+            <Button
+              size="sm"
+              className="h-9 shrink-0 rounded-full 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-9 shrink-0 rounded-full px-4 font-medium"
+              onClick={handleApplyToCanvas}
+              disabled={!previewUrl}
+            >
+              <Send className="mr-1.5 h-4 w-4" />
+              发送到画布
+            </Button>
+          </div>
+        </div>
     </>
   );