*{box-sizing:border-box}body{margin:0;background:#f6f8fb;color:#19263a;font:16px/1.7 system-ui,-apple-system,Segoe UI,sans-serif}header{background:#112a47;color:white;padding:28px max(24px,calc((100vw - 920px)/2))}header a{color:white;text-decoration:none;font-weight:700;letter-spacing:.02em}main{max-width:920px;margin:45px auto;background:white;padding:48px 55px;border:1px solid #e5eaf0;border-radius:16px;box-shadow:0 8px 30px #15294309}h1{font-size:2.2rem;line-height:1.2}h2{font-size:1.2rem;margin-top:30px;color:#12375e}a{color:#1467a6}nav a{margin-right:22px}footer{max-width:920px;margin:25px auto 50px;padding:0 20px;color:#596779;font-size:14px}.note{background:#fff8e8;border-left:4px solid #dfad3b;padding:12px 18px}@media(max-width:650px){main{margin:15px;padding:25px 20px;border-radius:8px}header{padding:22px}h1{font-size:1.75rem}}