Under Article 16 of the Interim Measures (Order No. 42), what is the strict rule regarding cruising or soliciting passengers offline (巡游揽客) by online ride-hailing vehicles?

1. Online ride-hailing vehicles may cruise freely and pick up street-hail passengers as long as they activate an offline fare timer
2. Online ride-hailing vehicles must NOT cruise streets to solicit passengers or queue in dedicated taxi waiting lanes at airports and railway stations (不得巡游揽客，不得在机场、火车站等排队候客区域揽客)
3. Online ride-hailing vehicles may pick up street passengers during severe rainstorms or peak rush hours without app dispatch
4. Online ride-hailing vehicles can pick up offline passengers if the passenger offers cash tips exceeding RMB 50