:root{--bg:#0b0d11;--panel:#151922;--text:#f6f7fb;--muted:#aeb6c5;--line:#2d3442}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.72}a{color:#fff}.wrap{width:min(900px,calc(100% - 36px));margin:auto}.header{border-bottom:1px solid var(--line);background:#0b0d11}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-size:20px}.mark{width:34px;height:34px;border:2px solid #fff;border-radius:50%;display:grid;place-items:center}.back{color:var(--muted);font-weight:700;text-decoration:none}.back:hover{color:#fff}main{padding:70px 0 90px}h1{font-size:clamp(40px,7vw,64px);line-height:1.04;letter-spacing:-.05em;margin:0 0 12px}h2{font-size:26px;margin:38px 0 10px}p,li{color:#c3cad7}.updated{color:var(--muted);margin-bottom:38px}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;margin:28px 0}.email{font-size:clamp(20px,4vw,30px);font-weight:900}.footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:13px}.footer a{color:var(--muted);margin-right:16px}@media(max-width:600px){.wrap{width:calc(100% - 24px)}main{padding:50px 0 70px}.nav{min-height:60px}}