:root{--navy:#07111f;--ink:#102033;--muted:#587087;--line:#d9e4ed;--blue:#1677ff}*{box-sizing:border-box}body{margin:0;background:#f4f7fa;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.68}main{width:min(760px,calc(100% - 34px));margin:38px auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(26px,6vw,58px);box-shadow:0 25px 75px rgba(7,17,31,.09)}.back{display:inline-block;color:#0b65cc;text-decoration:none;font-weight:750;margin-bottom:30px}h1{font-size:clamp(2.5rem,7vw,4.4rem);line-height:1;letter-spacing:-.055em;margin:0 0 10px}h2{font-size:1.25rem;margin:32px 0 8px}p,li{color:var(--muted)}a{color:#0b65cc}.updated{font-size:.85rem;color:#587087}ul{padding-left:20px}@media(max-width:560px){main{margin:14px auto;border-radius:18px}}