:root{--navy:#0b1e33;--blue:#1f6ed4;--muted:#5b6778;--line:#dbe4ee;--bg:#f7f9fc}*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;color:var(--navy);background:var(--bg);line-height:1.7}header,footer{background:var(--navy);color:#fff}nav,.wrap{max-width:960px;margin:auto;padding:20px}nav{display:flex;gap:20px;align-items:center;flex-wrap:wrap}nav a,footer a{color:#fff}.brand{font-size:1.25rem;font-weight:700;margin-right:auto}main{max-width:960px;margin:40px auto;background:#fff;padding:clamp(24px,5vw,56px);border:1px solid var(--line);border-radius:18px}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.15}h2{margin-top:2rem}p,li{color:#344256}.note{padding:18px;border-left:4px solid var(--blue);background:#eef5ff}.meta{color:var(--muted);font-size:.95rem}a{color:#145cb8}footer{margin-top:48px}.links{display:flex;gap:18px;flex-wrap:wrap}