feat:变量列表样式

src/views/components/View.vue

@@ -505,7 +505,7 @@
               <div class="form-item mt-16 flex between middle">
                 <div>
                 <a @click="showAddData()"> + 新建变量</a>
-                <a style="margin-left: 8px;" @click="clearData()"> × 清空列表</a>
+                <a class="ml-16" @click="clearData()"> × 清空列表</a>
                 </div>
                 <div class="form-item flex">
                   <!-- <div class="form-item flex"> -->
@@ -559,7 +559,7 @@
                     </t-select>
                     <div class="flex middle"  v-if="dataDialog.datasetType === 2">
                       <t-button
-                        class="shrink-0"
+                        class="shrink-0 ml-24"
                         style="width: 90px; height: 30px"
                         @click="importDataset"
                       >