body{font-family:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;line-height:1.7;color:#1a1a1a;background:#fff;margin:0;padding:0}
main,.container{max-width:760px;margin:0 auto;padding:24px 20px}
h1{font-size:2em;line-height:1.25;margin:1em 0 .5em}
h2{font-size:1.4em;margin:1.2em 0 .4em;line-height:1.3}
h3{font-size:1.15em}
p{margin:.6em 0}
img{max-width:100%;height:auto}
a{color:#1464ac}
ul,ol{padding-left:1.4em}
header.site{padding:20px;background:#f5f7fa;border-bottom:1px solid #e3e8ef}
header.site a{text-decoration:none;color:#1a1a1a;font-weight:600}
article{padding:0 20px 60px}