transport from Beijing Airpot to City Inn Hotel

Do you refer to the City Inn Hotel near Happy Valley? Are you arriving at 2:00am. or pm.? If you will arrival at 14:00, you can take shuttle bus line 1 to Panjiayuan Station, then take a taxi to reach your hotel directly.
If you will get to the airport at 02:00 am, you can take the shuttle us line 2 to reach Peking Train Station and then take a taxi to reach your hotel.