:root{--navy:#1C3F72;--sky:#009FDB;--off:#F7F9FC}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#2b3a55;background:var(--off);line-height:1.75}
header{background:#fff;padding:.5rem 1.5rem;border-bottom:3px solid var(--navy)}
header a{display:inline-block;line-height:0}
header img{height:52px;width:auto;display:block}
main{max-width:820px;margin:0 auto;padding:3rem 1.5rem 4rem}
h1{font-family:Verdana,Arial,sans-serif;color:var(--navy);font-size:1.9rem;margin:0 0 .4rem}
.sub{color:#6b7a90;font-size:.85rem;margin:0 0 2.2rem}
h2{font-family:Verdana,Arial,sans-serif;color:var(--navy);font-size:1.05rem;margin:2.2rem 0 .6rem;padding-left:.8rem;border-left:3px solid var(--sky)}
p,li{font-size:.93rem}
a{color:var(--sky)}
ul{padding-left:1.2rem}
mark{background:#fff3b0;padding:0 .25rem;border-radius:3px}
.back{display:inline-block;margin-top:2.5rem;font-size:.85rem}
footer{text-align:center;font-size:.72rem;color:#8a97ab;padding:0 1rem 2rem}