优化

src/components/PreviewGrid.tsx

@@ -91,7 +91,7 @@ export const PaperSettingsPanel: React.FC<PaperSettingsPanelProps> = ({
   const isPs = theme === 'ps';
   const isMobile = theme === 'mobile';
   const fieldClass = isMobile
-    ? 'mobile-field font-mono text-center'
+    ? 'mobile-field font-mono'
     : isPs
       ? 'ps-field font-mono text-center'
       : 'w-full px-2.5 py-1.5 bg-gray-50 border border-gray-100 rounded-lg text-xs text-center font-mono';
@@ -326,20 +326,19 @@ export const PaperSettingsPanel: React.FC<PaperSettingsPanelProps> = ({
                 />
               </div>
             ))}
-            <div>
-              <label className={labelClass}>自动计算边距</label>
+            <div className="col-span-2 flex justify-end -mt-0.5">
               <button
                 type="button"
                 onClick={autoCenterMargins}
                 className={
                   isPs
-                    ? 'ps-btn text-[10px]'
+                    ? 'text-[10px] text-[#777] hover:text-[#31a8ff] transition cursor-pointer'
                     : isMobile
-                      ? 'mobile-secondary-btn w-full'
-                      : 'w-full inline-flex items-center justify-center gap-1 bg-white hover:bg-gray-100 border border-gray-200 text-gray-600 py-1.5 px-3 rounded-lg text-[10px] font-bold cursor-pointer'
+                      ? 'text-xs text-slate-500 hover:text-indigo-600 font-normal py-1 cursor-pointer'
+                      : 'text-[10px] text-gray-500 hover:text-indigo-600 font-normal cursor-pointer'
                 }
               >
-                计算
+                自动计算边距
               </button>
             </div>
           </div>