TrainTicketsApiResponse

{
    "code": 0,
    "message": "Success",
    "data": [
        {
            "ticketNo": "123456789012345",
            "pdf": "string",
            "qrCodeBase64": "iVBORw0KGgoAAAANSUhEUgAA...",
            "qrCodeText": "TRAIN-TICKET-QR-CONTENT",
            "imageBase64": "/9j/4AAQSkZJRgABAQ...",
            "html": "string",
            "url": "https://tickets.example.com/ticket/123",
            "segmentIndex": 0,
            "returnJourney": false,
            "expiresAt": "2026-07-20T09:00:00+08:00",
            "passengerId": 10001,
            "passengerName": "ZHANG/SAN"
        }
    ]
}