优化比例

src/components/exam/ExamAddonPanel.tsx

@@ -1127,8 +1127,8 @@ export const ExamAddonPanel = ({ client, onGoToSign }: ExamAddonPanelProps) => {
       </div>
 
       {/* 加项网格 */}
-      <div className='overflow-y-auto overflow-x-hidden max-h-[366px]'>
-        <div className='grid grid-cols-5 gap-3 min-h-[142px]'>
+      <div className='overflow-y-auto overflow-x-hidden max-h-[clamp(248px,calc(100vh-520px),366px)]'>
+        <div className='grid grid-cols-5 gap-2'>
           {addonError && (
             <div className='col-span-5 text-xs text-amber-600'>{addonError}</div>
           )}
@@ -1147,7 +1147,7 @@ export const ExamAddonPanel = ({ client, onGoToSign }: ExamAddonPanelProps) => {
             return (
               <div
                 key={id}
-                className='border rounded-lg p-3 cursor-pointer transition-all flex flex-col relative'
+                className='border rounded-lg p-3 cursor-pointer transition-all flex flex-col relative h-[120px] overflow-hidden'
                 onClick={() => toggleSelect(id)}
               >
                 {/* 无折扣标签图片 - 浮动在右上角（当 is_enjoy_discount 为 0 或 null 时显示） */}