Parents not agreeing for marriage, what I should do?

Hi everyone, I met a girl on Shaadi.com about six months ago from same caste. I’m from Delhi, from a middle to slightly above middle-class family, and she’s from Lucknow, from a middle to slightly below middle-class background. We started talking and gradually became very close. She’s from a small-town/village background while I’m from the city, so there were obvious cultural differences — but her nature, simplicity, and dedication really touched me. More than looks or status, I value education, character, and emotional connection, and she had all of that. I’ve always been someone who just wants a partner who listens, understands, and stands by me. My first priority is my parents, then myself, but I’ve always dreamed of a life partner who helps me grow and who I can share everything with. Eventually, she managed to convince her family to visit Delhi for marriage talks. It wasn’t easy for her — she really had to push her parents, saying she’d either marry me or no one else. But when our families met, things didn’t go well. My father didn’t like her appearance — she’s 5'1" while I’m 6 feet tall, and since she’s a gym enthusiast, her body is a bit athletic and firm. He also didn’t like the idea of a long-distance relationship or the difference in family background. Her family, being traditional and not very expressive, didn’t talk much and wanted to finalize everything on the first day, which my family found uncomfortable. There are other differences too — she’s religious, I’m not; she’s vegetarian, I’m non-vegetarian; she’s from a smaller town, I’m from Delhi. Now my father has clearly said he doesn’t like the match. My mother usually agrees with him, while my sister is neutral — she likes the girl but has concerns about their living standards and how her family behaved during the meeting. All this has left me completely torn. I don’t want to go against my family, but I also can’t ignore how I feel about her. She’s truly a beautiful soul — caring, kind, and incredibly loyal. Despite everything, she still says she’ll wait until my parents agree. Honestly, I’ve never cried for anyone before, but I cried for her. She makes me feel valued and supported, even when I’m not at my best. I know people say, “You’ll find someone better,” but what if no one ever loves me like she does? I’m 28, and I’ve seen enough in life to know that people come and go, and no matter how much effort you put in, sometimes it doesn’t work out. But no one has ever loved or fought for me the way she has, and that’s what’s breaking me inside. Now I’m stuck — Should I accept my family’s decision and move on? Should I try to convince them to reconsider? Or should I give her time and see how things unfold naturally? We both love each other deeply, but my family’s concerns about background, distance, lifestyle, and appearance have created a big roadblock. I feel helpless and emotionally exhausted. Any honest advice or perspective would really mean a lot right now. Thanks for reading.