style(workPage): 调整问答和选择题组件的内边距

将questionsAndAnswers.vue和choiceQuestion.vue组件的顶部内边距从50px增加到70px，以改善页面布局和视觉平衡

src/components/pages/workPage/components/choiceQuestion.vue

@@ -200,7 +200,7 @@ export default {
   /* justify-content: center; */
   flex-direction: column;
   box-sizing: border-box;
-  padding: 50px 10%;
+  padding: 70px 10%;
   overflow: auto;
   position: relative;
 }

src/components/pages/workPage/components/questionsAndAnswers.vue

@@ -238,7 +238,7 @@ export default {
   /* justify-content: center; */
   flex-direction: column;
   box-sizing: border-box;
-  padding: 50px 10%;
+  padding: 70px 10%;
   overflow: auto;
 }