refactor(Design): 优化问卷题目样式和布局

-调整了多个组件的左图标样式，统一为带编号的标题格式
- 优化了选择题和其他题型的样式，提高了可读性和美观度
-调整了部分颜色和间距，使整体风格更加协调

src/views/Design/components/Questions/Choice.vue

@@ -6,9 +6,7 @@
     label-align="top"
     class="contenteditable-question-title base-select"
   >
-    <template #left-icon>
-      {{ isPreview ? element.title : index + 1 }}
-    </template>
+    <template #left-icon> {{ isPreview ? element.title : index + 1 }}. </template>
     <template #label>
       <contenteditable
         v-model="element.stem"
@@ -77,19 +75,24 @@
               >
                 <template #default>
                   <div class="flex align-center van-cell">
-                    <contenteditable
-                      v-model="it.option"
-                      :className="active ? 'contenteditable-input' : ''"
-                      :active="active"
-                    >
-                      <template #right-icon>
-                        <div v-if="active" class="moverQues">
-                          <van-icon class-prefix="mobilefont" name="option "></van-icon>
-                        </div>
-                      </template>
-                    </contenteditable>
-                    <div v-if="it.is_other">
-                      <input class="other-input" type="text" />
+                    <div class="flex" style="width: 100%; flex-wrap: wrap">
+                      <contenteditable
+                        v-model="it.option"
+                        :className="active ? 'contenteditable-input' : ''"
+                        :active="active"
+                      >
+                        <template #right-icon>
+                          <div v-if="active" class="moverQues">
+                            <van-icon class-prefix="mobilefont" name="option "></van-icon>
+                          </div>
+                        </template>
+                      </contenteditable>
+                      <input
+                        class="other-input"
+                        type="text"
+                        v-if="it.is_other"
+                        style="width: 100%"
+                      />
                     </div>
                   </div>
                 </template>
@@ -164,10 +167,10 @@ const emitValue = () => {
   }
 
   & .other-input {
-    width: 100px;
+    width: 100%;
     height: 20px;
-    margin-left: 20px;
     padding: 3px 5px;
+    margin-top: 10px;
     border: 1px solid #ccc;
     border-radius: 5px;
     outline: none;