polish: 扫描线微调 4→3rpx

Co-Authored-By: Claude <noreply@anthropic.com>

haha-admin-mp/src/pages/replenish/home.vue

@@ -206,5 +206,5 @@ onShow(async () => { await loadData(); });
   &::before { content: ''; position: absolute; top: 0; left: 0; width: 14rpx; height: 14rpx; border-top: 4rpx solid $text-color-primary; border-left: 4rpx solid $text-color-primary; border-radius: 4rpx 0 0 0; }
   &::after { content: ''; position: absolute; bottom: 0; right: 0; width: 14rpx; height: 14rpx; border-bottom: 4rpx solid $text-color-primary; border-right: 4rpx solid $text-color-primary; border-radius: 0 0 4rpx 0; }
 }
-.scan-beam { position: absolute; top: 50%; left: 14rpx; right: 14rpx; height: 4rpx; background: $text-color-primary; border-radius: 2rpx; transform: translateY(-50%); opacity: 0.85; }
+.scan-beam { position: absolute; top: 50%; left: 14rpx; right: 14rpx; height: 3rpx; background: $text-color-primary; border-radius: 2rpx; transform: translateY(-50%); opacity: 0.85; }
 </style>