:root{--text:#0f1b3d;--muted:#64708a;--line:#dfe5ef;--primary:#1f57e7;--surface:#f7f9fc}
    *{box-sizing:border-box} body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);line-height:1.65;background:#fff}
    a{color:var(--primary)} .container{width:min(calc(100% - 40px),920px);margin:0 auto}.top{padding:24px 0;border-bottom:1px solid var(--line)}
    .brand{font-weight:900;text-decoration:none;color:var(--text);font-size:22px}.brand span{color:var(--primary)} main{padding:44px 0 64px}h1{font-size:clamp(30px,5vw,44px);line-height:1.1;margin:0 0 14px}h2{margin:34px 0 10px;font-size:22px}p,li{color:#34405d}.lead{font-size:17px;color:var(--muted)}.note{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}footer{padding:22px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}