:root{--ink:#15161b;--muted:#6f7480;--line:#e6e8ec;--surface:#f6f7f9;--brand:#6757f5;--dark:#111318}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.68;-webkit-font-smoothing:antialiased}a{color:#584bd6;text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(900px,calc(100% - 36px));margin:auto}.nav{min-height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:900;font-size:18px;letter-spacing:-.04em}.brand i{width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-style:normal;font-size:18px}.back{color:#5f646e;font-size:11px;font-weight:800}.back:hover{color:var(--ink);text-decoration:none}main{padding:64px 0 80px}h1{max-width:760px;margin:0 0 12px;font-size:48px;line-height:1.02;letter-spacing:-.055em}h2{margin:38px 0 9px;font-size:24px;line-height:1.15;letter-spacing:-.035em}h3{margin:24px 0 8px;font-size:16px}p,li{font-size:13px;color:#515660}ul,ol{padding-left:21px}.meta{margin-bottom:30px;color:#90949d;font-size:10px}.box{margin:20px 0;padding:17px 18px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.box b{color:var(--ink)}footer{border-top:1px solid var(--line);padding:27px 0 34px;color:#8c919a;font-size:9.5px;line-height:1.6}@media(max-width:600px){main{padding:42px 0 64px}h1{font-size:38px}h2{font-size:22px}.wrap{width:calc(100% - 28px)}}