◇ Just read — no move neededThe flexible corner
士角炮 — the corner cannon — slides the right cannon to f2, beside the advisor's corner. From there it does everything and promises nothing: it can swing to the centre, support a wing pawn storm, or simply stay and guard. The middle file stays changeable (中路可变) — Red keeps every plan alive and chooses only after Black commits. Steady, flexible, and very hard to read.