:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#172554;background:#f8fafc}*{box-sizing:border-box}body{margin:0;line-height:1.65}header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,6vw,96px);background:#fff;border-bottom:1px solid #dbeafe;box-shadow:0 2px 12px #0f172a0d}.brand{font-weight:800;font-size:1.2rem;color:#172554;text-decoration:none}.back{color:#1d4ed8;font-weight:650;text-decoration:none}main{width:min(800px,calc(100% - 40px));margin:48px auto 64px;background:#fff;border:1px solid #dbeafe;border-radius:20px;padding:clamp(28px,6vw,64px);box-shadow:0 16px 48px #0f172a0b}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.1;margin:8px 0;color:#172554}.eyebrow{margin:0;color:#2563eb;font-size:.75rem;font-weight:800;letter-spacing:.12em}.updated{color:#64748b;font-size:.92rem;margin:0 0 34px}section{padding:22px 0;border-top:1px solid #e2e8f0}h2{font-size:1.15rem;margin:0 0 8px;color:#1e3a8a}p{margin:0;color:#334155}a{color:#1d4ed8}a:focus-visible{outline:3px solid #60a5fa;outline-offset:3px;border-radius:4px}.note{margin-top:30px;padding:16px;border-radius:12px;background:#eff6ff;color:#334155;font-size:.92rem}footer{padding:28px 20px;text-align:center;color:#64748b;background:#fff;border-top:1px solid #e2e8f0;font-size:.9rem}@media(max-width:560px){header{height:68px}main{margin:24px auto 40px}}