光标离开时校验必填字段

components/plate-input/plate-input.wxss

@@ -2,9 +2,9 @@
 
 .plate-container {
   flex: 1;
-  position: relative;
   display: flex;
   align-items: center;
+  overflow: hidden;
 }
 
 /* 车牌格子区域 */
@@ -17,6 +17,8 @@
   padding: 8rpx 16rpx;
   height: 72rpx;
   flex: 1;
+  min-width: 0;
+  overflow: hidden;
 }
 
 .plate-cell {
@@ -72,14 +74,11 @@
 
 /* 清除按钮 */
 .plate-clear {
-  position: absolute;
-  right: -60rpx;
-  top: 50%;
-  transform: translateY(-50%);
+  flex-shrink: 0;
   font-size: 24rpx;
   color: #ff4d4f;
   padding: 8rpx 12rpx;
-  flex-shrink: 0;
+  margin-left: 12rpx;
 }
 
 /* 弹窗遮罩 */