:root{font-family:system-ui,-apple-system,sans-serif;color:#18221d;background:#fff}*{box-sizing:border-box}body{line-height:1.65;max-width:880px;margin:0 auto;padding:32px 20px 64px}nav{display:flex;gap:10px 18px;flex-wrap:wrap;margin-bottom:32px}a{color:#0f7a4d}h1,h2{color:#0f7a4d;line-height:1.25}h1{font-size:clamp(1.8rem,6vw,2.5rem)}h2{margin-top:28px;font-size:1.25rem}.box{background:#f4f8f5;border-left:4px solid #0f7a4d;padding:16px;border-radius:10px}.warning{background:#fff8e8;border-color:#d18a00}small{color:#66706a}li{margin:.4rem 0}@media(max-width:480px){body{padding:22px 16px 48px}nav{font-size:.9rem}}