Is marriage to a righteous woman who is not physically attractive acceptable, and what is the extent of the importance of physical attractiveness in marriage?

If you wish to marry, seek a religious woman, for the Prophet, peace and blessings be upon him, said: "Attain the religious woman; may your hands be soiled." There is no objection to seeking beauty if it helps in lowering the gaze, and it is a valid requirement as mentioned in the hadith: "A woman is married for four [reasons]," and beauty was mentioned among them. If you fear mistreating the woman due to lack of attraction to her, then do not marry her.