:root{font-family:system-ui,sans-serif;color:#261e31;background:#f8f6fb;font-size:16px;line-height:1.7}body{margin:0;padding:28px 18px}main{max-width:780px;margin:auto;background:#fff;border:1px solid #e4deeb;border-radius:18px;padding:clamp(20px,5vw,48px)}h1{font-size:2rem;line-height:1.2}h2{font-size:1.2rem;margin-top:30px}a{color:#63378b}small{color:#665b73}li{margin-bottom:8px}nav{display:flex;gap:20px;flex-wrap:wrap}