:root{color-scheme:light;font-family:system-ui,-apple-system,sans-serif;color:#15334b;background:#eef3f6}*{box-sizing:border-box}body{margin:0}header{background:#0b263e;color:#fff;padding:24px max(24px,calc((100vw - 920px)/2));border-bottom:5px solid #ffd55b}header a{color:#fff;text-decoration:none;display:flex;align-items:center;gap:16px;font-weight:800}header img{width:54px;height:54px;border-radius:12px}main{max-width:920px;margin:32px auto;padding:32px 40px;background:#fff;border:1px solid #d3dfe8;border-radius:16px}nav{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}nav a{padding:9px 13px;background:#e8f1f8;border-radius:8px;text-decoration:none;color:#0d4e78}a{color:#126094;overflow-wrap:anywhere}h1{font-size:clamp(26px,5vw,38px);margin:12px 0}h2{font-size:21px;margin-top:30px}p{line-height:1.9}small{color:#567081}footer{border-top:1px solid #d3dfe8;margin-top:30px;padding-top:20px}a:focus-visible{outline:3px solid #db9e00;outline-offset:3px}@media(max-width:600px){main{margin:16px 12px;padding:22px}header{padding:16px 22px}}