:root{--ink:#17191E;--muted:#5B6270;--blue:#1E4FD8;--line:#E4E7EC;--bg:#fff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
header{background:linear-gradient(135deg,#0F2A78,#1E4FD8);color:#fff;padding:32px 16px}
header .w,main{max-width:760px;margin:0 auto}header img{width:56px;height:56px;vertical-align:middle;margin-right:12px}
header h1{display:inline;font-size:24px;margin:0;vertical-align:middle}main{padding:24px 16px 64px}
h2{font-size:20px;margin:32px 0 8px}a{color:var(--blue)}p,li{color:var(--ink)}.muted{color:var(--muted)}
nav a{margin-right:16px}footer{border-top:1px solid var(--line);padding:16px;text-align:center;color:var(--muted);font-size:14px}