Looking for Stories Set in a Bygone Era!!!!! 求年代文！！！！！

I only remember that the heroine (I forget whether she transmigrated or was reborn) had university professor parents and three siblings. She was the oldest. The whole family was reported and sent down to the countryside. Her parents then cut ties with her in a newspaper announcement and used their connections to get her to take her younger brother to the countryside. It was where her parents had been sent down...