feat(frontend):自定义数据集UI样式调整

frontend/src/views/dataset/add/AddCustom.vue

@@ -31,7 +31,7 @@
       <el-col class="panel-height" style="flex: 1;overflow: hidden;">
         <el-card class="box-card dataPreview" shadow="never">
           <div slot="header" class="clearfix">
-            <span>{{ $t('dataset.data_preview') }}</span>
+            <span style="font-size: 16px;">{{ $t('dataset.data_preview') }}</span>
           </div>
           <ux-grid
             ref="plxTable"
@@ -266,7 +266,7 @@ export default {
   }
 
   .dataPreview>>>.el-card__header{
-    padding: 6px 8px;
+    padding: 0 8px 12px;
   }
 
   .dataPreview>>>.el-card__body{

frontend/src/views/dataset/common/DatasetCustomField.vue

@@ -4,9 +4,9 @@
       <span class="table-name">{{ table.name }}</span>
     </el-row>
     <el-divider />
-    <el-checkbox v-model="checkAll" :disabled="!(fields.length > 0)" :indeterminate="isIndeterminate" @change="handleCheckAllChange">{{ $t('dataset.check_all') }}</el-checkbox>
+    <el-checkbox v-model="checkAll" :disabled="!(fields.length > 0)" :indeterminate="isIndeterminate" style="font-weight: 400;" @change="handleCheckAllChange">{{ $t('dataset.check_all') }}</el-checkbox>
     <el-checkbox-group v-model="checkedFields" @change="handleCheckedFieldsChange">
-      <el-checkbox v-for="f in fields" :key="f.id" :label="f.id" style="display: block;margin-top: 4px;width: 100%;">
+      <el-checkbox v-for="f in fields" :key="f.id" :label="f.id" style="display: block;margin-top: 4px;width: 100%;font-weight: 400;">
         <span style="display: flex;flex-direction: row;flex: 1;">
           <span>
             <span v-if="f.deType === 0">