## ADDED Requirements

### Requirement: Admin Asset Card Carrier Status Label

The admin asset information view SHALL label `gateway_extend` as `运营商状态` within the card information section.

#### Scenario: Show carrier status label in card information

- **GIVEN** 用户正在查看后台“资产信息”中的卡资产详情
- **WHEN** 页面渲染“卡信息”区域中的 `gateway_extend`
- **THEN** 字段标签 MUST 显示为 `运营商状态`
- **AND** 字段值 MUST 继续直接展示上游返回的 `gateway_extend`
- **AND** 当 `gateway_extend` 为空时，页面 MUST 显示稳定的占位内容
