on the methodical lines of Victorian Christianity

She seemed to have what she most wanted in the world lying at her feet, and she was dreadfully uncertain in her more reflective moments whether she really wanted to stretch out her hand and take it. It was all very like some situation in an Arabian Nights tale or a story of Pagan Hellas, and consequently the more puzzling and disconcerting to a girl brought up on the methodical lines of Victorian Christianity.

Could anyone explain the bold part?