diff --git a/components/canvas/model3d/Model3DViewer.tsx b/components/canvas/model3d/Model3DViewer.tsx
index 0c98e2a26..43c6652b8 100644
--- a/components/canvas/model3d/Model3DViewer.tsx
+++ b/components/canvas/model3d/Model3DViewer.tsx
@@ -56,6 +56,7 @@ type Model3DViewerProps = {
   previewImageUrl?: string | null;
   emptyStateTitle?: string;
   settings: Model3DViewerSettings;
+  modelRotation?: [number, number, number];
   layerVisibility?: Record<string, boolean>;
   onLayersChange?: (layers: Model3DLayer[]) => void;
   onStatsChange?: (stats: Model3DStats) => void;
@@ -194,12 +195,14 @@ function collectSceneMeta(scene: Object3D): {
 function ModelScene({
   url,
   settings,
+  modelRotation,
   layerVisibility,
   onLayersChange,
   onStatsChange,
 }: {
   url: string;
   settings: Model3DViewerSettings;
+  modelRotation?: [number, number, number];
   layerVisibility?: Record<string, boolean>;
   onLayersChange?: (layers: Model3DLayer[]) => void;
   onStatsChange?: (stats: Model3DStats) => void;
@@ -266,7 +269,11 @@ function ModelScene({
     }
   }, [meta.meshRefs, settings.wireframe]);
 
-  return <primitive object={scene} scale={1} />;
+  return (
+    <group rotation={modelRotation || [0, 0, 0]}>
+      <primitive object={scene} scale={1} />
+    </group>
+  );
 }
 
 function ViewerCaptureBridge({
@@ -351,6 +358,7 @@ export function Model3DViewer({
   previewImageUrl,
   emptyStateTitle = "准备生成 3D 资产",
   settings,
+  modelRotation,
   layerVisibility,
   onLayersChange,
   onStatsChange,
@@ -458,6 +466,7 @@ export function Model3DViewer({
           <group position={[0, 0, 0]}>
             <ModelScene
               layerVisibility={layerVisibility}
+              modelRotation={modelRotation}
               onLayersChange={onLayersChange}
               onStatsChange={onStatsChange}
               settings={settings}
diff --git a/components/canvas/nodes/World3DNode.tsx b/components/canvas/nodes/World3DNode.tsx
index ecee79eb5..204ecd0cc 100644
--- a/components/canvas/nodes/World3DNode.tsx
+++ b/components/canvas/nodes/World3DNode.tsx
@@ -876,8 +876,10 @@ export function World3DNode({
   return (
     <div
       className={cn(
-        "relative h-full w-full overflow-hidden rounded-xl border bg-card shadow-sm",
-        isSelected && "border-primary"
+        "relative h-full w-full overflow-hidden rounded-none border border-[#dbe2ee] bg-white shadow-[0_0_0_1px_rgba(219,226,238,0.34),0_16px_34px_rgba(22,24,29,0.08)] transition-all dark:border-zinc-800 dark:bg-zinc-950",
+        isSelected
+          ? "border-[#5b76fe] ring-2 ring-[#5b76fe]/14 shadow-[0_0_0_1px_rgba(91,118,254,0.14),0_20px_38px_rgba(91,118,254,0.12)]"
+          : "hover:border-[#cfd9ea]"
       )}
       onMouseEnter={() => setIsHovered(true)}
       onMouseLeave={() => setIsHovered(false)}
diff --git a/components/canvas/world3d/World3DViewer.tsx b/components/canvas/world3d/World3DViewer.tsx
index 7dd2d2e8b..d4bea1cf4 100644
--- a/components/canvas/world3d/World3DViewer.tsx
+++ b/components/canvas/world3d/World3DViewer.tsx
@@ -1540,6 +1540,7 @@ export function World3DViewer({
         <Model3DViewer
           emptyStateTitle={emptyStateTitle}
           layerVisibility={meshLayerVisibility}
+          modelRotation={[Math.PI, 0, 0]}
           modelUrl={meshUrl}
           onLayersChange={onMeshLayersChange}
           onStatsChange={onMeshStatsChange}