fix: 题卡编辑样式错误

card/assets/styles/card-design.scss

@@ -442,9 +442,7 @@
   }
   .control-left {
     padding: 20px 0 20px 20px;
-    white-space: nowrap;
-    overflow-y: hidden;
-    overflow-x: auto;
+    height: auto;
     flex-grow: 2;
   }
 }

card/modules/free/components/CardFreeDesign.vue

@@ -1,17 +1,15 @@
 <template>
   <div class="card-design card-free-design">
     <div class="design-header">
-      <div class="design-header-cont box-justify">
-        <el-button
-          class="btn-help"
-          icon="el-icon-question"
-          type="text"
-          @click="showHelp"
-        ></el-button>
-        <div class="design-back" @click="toExit">
-          <i class="el-icon-d-arrow-left" title="退出"></i>
-          返回
-        </div>
+      <el-button
+        class="btn-help"
+        icon="el-icon-question"
+        type="text"
+        @click="showHelp"
+      ></el-button>
+      <div class="design-back" @click="toExit">
+        <i class="el-icon-d-arrow-left" title="退出"></i>
+        返回
       </div>
     </div>