居家办公 went mainstream during the 2020-2022 COVID lockdowns, when whole cities (Shanghai, Wuhan) shifted to remote work overnight. Post-pandemic, most Chinese companies have rolled back fully remote arrangements — hybrid (混合办公, hùnhé bàngōng) is more common now than in the West.
usage
居家 (jūjiā, 'stay at home') + 办公 (bàngōng, 'do office work'). Synonym: 在家办公 (zài jiā bàngōng) — same meaning, slightly more colloquial. Distinguish from 远程办公 (yuǎnchéng bàngōng, 'remote work' generally, including coworking).