style: 统一输入框和选择器宽度为240px并优化卡片布局

- 将多处输入框和选择器的宽度从200px调整为240px
- 优化卡片布局结构，添加分割卡片提升可读性
- 移除部分冗余的刷新按钮和样式代码
- 调整日期选择器等表单元素的宽度为240px

seller/src/views/distribution/distributionGoods.vue

@@ -4,11 +4,13 @@
       <Row @keydown.enter.native="handleSearch">
         <Form ref="searchForm" :model="searchForm" inline :label-width="70" class="search-form">
           <Form-item label="商品名称" prop="goodsName">
-            <Input type="text" v-model="searchForm.goodsName" placeholder="请输入商品名称" clearable style="width: 200px"/>
+            <Input type="text" v-model="searchForm.goodsName" placeholder="请输入商品名称" clearable style="width: 240px"/>
           </Form-item>
           <Button @click="handleSearch" type="primary" class="search-btn">搜索</Button>
         </Form>
       </Row>
+      </Card>
+    <Card>
       <Row class="operation padding-row">
         <Button @click="add" type="primary">添加</Button>
       </Row>