fix(upload): style fixes

CHANGELOG.en-US.md

@@ -6,6 +6,8 @@
 
 - Fix `DialogReactive` props are readonly.
 - Fix `n-tree` replace `leafOnly` prop to `checkStrategy` prop in single check.
+- Fix `n-upload`'s trigger is compressed in `image-card` mode when it's the only item in the row.
+- Fix `n-upload-dragger` has no border transition.
 
 ## 2.19.0 (2021-09-19)
 

CHANGELOG.zh-CN.md

@@ -4,8 +4,10 @@
 
 ### Fixes
 
-- 修复 `DialogReactive` 属性只读。
+- 修复 `DialogReactive` 属性只读
 - 修复 `n-tree` 的 `checkStrategy` 属性单选替换 `leafOnly` 属性
+- 修复 `n-upload` 在 `image-card` 模式下触发区域作为一行唯一元素时被压缩
+- 修复 `n-upload-dragger` 边框缺乏过渡
 
 ## 2.19.0 (2021-09-19)
 

src/upload/src/styles/index.cssr.ts

@@ -24,7 +24,7 @@ export default c([
     padding: 24px;
     opacity: 1;
     transition:
-      opacity: .3s var(--bezier),
+      opacity .3s var(--bezier),
       border-color .3s var(--bezier),
       background-color .3s var(--bezier);
     background-color: var(--dragger-color);
@@ -48,7 +48,10 @@ export default c([
       opacity: var(--item-disabled-opacity);
       cursor: not-allowed;
     `),
-    cM('image-card', [
+    cM('image-card', `
+      width: 96px;
+      height: 96px;
+    `, [
       cB('upload-dragger', `
         padding: 0;
         height: 100%;