fix img dark

frontend/src/pages/ProductDetail.jsx

@@ -82,20 +82,6 @@ const ProductDetail = () => {
       return { obj: p.model_3d_url };
     }
 
-    // 如果有静态图，且没有特定的 3D 模型 URL，则优先显示静态图，不进入下方的通用 3D 模板匹配
-    if (p.static_image_url) {
-      return null;
-    }
-
-    const text = (p.name + p.description).toLowerCase();
-    
-    if (text.includes('mini')) {
-      return { obj: '/3dmimi/3D_PCB_V3-mini.obj', mtl: '/3dmimi/3D_PCB_V3-mini.mtl' };
-    } else if (text.includes('v2')) {
-      return { obj: '/3dV2/xiaoliangV2.obj', mtl: '/3dV2/xiaoliangV2.mtl' };
-    } else if (text.includes('vision') || text.includes('视觉') || text.includes('camera')) {
-      return { obj: '/3dmodo/xiaoliang1.obj', mtl: '/3dmodo/xiaoliang1.mtl' };
-    }
     return null;
   };
 
@@ -207,8 +193,15 @@ const ProductDetail = () => {
         )}
         
         {product.display_detail_image ? (
-            <div style={{ margin: '60px 0', width: '100%', overflow: 'hidden', borderRadius: 12 }}>
-                <img src={product.display_detail_image} alt="产品详情" style={{ width: '100%', display: 'block' }} />
+            <div style={{ 
+                margin: '60px auto', 
+                maxWidth: '900px', 
+                width: '100%',
+                overflow: 'hidden', 
+                borderRadius: 12,
+                boxShadow: '0 10px 40px rgba(0,0,0,0.5)'
+            }}>
+                <img src={product.display_detail_image} alt="产品详情" style={{ width: '100%', display: 'block', height: 'auto' }} />
             </div>
         ) : (
             <div style={{ margin: '60px 0', height: 800, background: '#111', display: 'flex', alignItems: 'center', justifyContent: 'center', color: '#333', fontSize: 24, border: '1px dashed #333' }}>

frontend/src/pages/ServiceDetail.jsx

@@ -132,16 +132,18 @@ const ServiceDetail = () => {
                 {service.display_detail_image ? (
                     <div style={{ 
                         width: '100%', 
+                        maxWidth: '900px',
+                        margin: '0 auto',
                         background: '#111', 
                         borderRadius: 12, 
                         overflow: 'hidden',
-                        boxShadow: `0 0 30px ${service.color}22`,
+                        boxShadow: `0 10px 40px ${service.color}22`,
                         border: `1px solid ${service.color}33`
                     }}>
                         <img 
                             src={service.display_detail_image} 
                             alt={service.title} 
-                            style={{ width: '100%', display: 'block' }} 
+                            style={{ width: '100%', display: 'block', height: 'auto' }} 
                         />
                     </div>
                 ) : (