.stage81-practical{margin:2rem auto;padding:clamp(1.2rem,3vw,2rem);border:1px solid #d8e9df;border-radius:18px;background:#f4faf6;color:#193b30;max-width:1100px;line-height:1.85}.stage81-practical h2{font-size:clamp(1.25rem,2.2vw,1.7rem);line-height:1.4;margin:0 0 .8rem}.stage81-practical a{display:inline-block;margin:.4rem 0;color:#126b4d;font-weight:700;text-underline-offset:4px}.stage81-note{font-size:.9rem;color:#53665d}@media(max-width:600px){.stage81-practical{margin:1.2rem .5rem;padding:1.2rem}}