增大打印试卷答题框空间

简答题:
- 行数: 5行 → 8行
- 行高: 25px → 30px

论述题:
- 行数: 5行 → 10行
- 行高: 25px → 35px

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

web/src/pages/ExamPrint.tsx

@@ -288,8 +288,8 @@ const ExamPrint: React.FC = () => {
             </div>
           ) : (
             <div className={styles.answerLines}>
-              {Array.from({ length: 5 }).map((_, i) => (
-                <div key={i} className={styles.answerLine} style={{ height: '25px' }}>
+              {Array.from({ length: 8 }).map((_, i) => (
+                <div key={i} className={styles.answerLine} style={{ height: '30px' }}>
                   &nbsp;
                 </div>
               ))}
@@ -329,8 +329,8 @@ const ExamPrint: React.FC = () => {
             </div>
           ) : (
             <div className={styles.answerLines}>
-              {Array.from({ length: 5 }).map((_, i) => (
-                <div key={i} className={styles.answerLine} style={{ height: '25px' }}>
+              {Array.from({ length: 10 }).map((_, i) => (
+                <div key={i} className={styles.answerLine} style={{ height: '35px' }}>
                   &nbsp;
                 </div>
               ))}