*{box-sizing:border-box}body{margin:0;font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a1a;background:#fff}
.top{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid #e6e6e6;flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:#111}nav a{margin-right:14px;color:#333;text-decoration:none;font-size:14px}
nav a:hover{text-decoration:underline}main{max-width:760px;margin:0 auto;padding:24px 20px 60px}
h1{font-size:1.9rem;line-height:1.2;margin:12px 0 10px}h2{font-size:1.25rem;margin:28px 0 8px}
.lead{font-size:1.05rem;color:#333}.crumb{font-size:.85rem;color:#666}.crumb a{color:#666}
ul,ol{padding-left:22px}li{margin:4px 0}a{color:#0b57d0}details{border:1px solid #e6e6e6;border-radius:8px;padding:10px 14px;margin:8px 0}
summary{cursor:pointer;font-weight:600}footer{border-top:1px solid #e6e6e6;padding:20px;font-size:13px;color:#666;text-align:center}
.cta{display:inline-block;background:#0b57d0;color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;margin-top:8px}
.rel{columns:2;column-gap:24px}@media(max-width:640px){.rel{columns:1}}