@media (max-width: 700px) {
  .route-table td:nth-child(2)::before { content: "时间"; }
  .route-table td:nth-child(3)::before { content: "票价"; }
  .route-table td:nth-child(4)::before { content: "类型"; }
  .route-table-panel .mini-table td:nth-child(2)::before { content: "航程 · "; }
  .route-table-panel .mini-table td:nth-child(3)::before { content: "票价 · "; }
}