:root{--primary:#0B57D0;--surface:#FFFFFF;--s2:#F0F4F9;--ink:#1F1F1F;--ink2:#444746;--line:#C4C7C5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--primary:#A8C7FA;--surface:#131314;--s2:#1E1F20;--ink:#E3E3E3;--ink2:#C4C7C5;--line:#444746;color-scheme:dark}}
:root[data-theme="dark"]{--primary:#A8C7FA;--surface:#131314;--s2:#1E1F20;--ink:#E3E3E3;--ink2:#C4C7C5;--line:#444746;color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--surface);color:var(--ink);font:400 16px/1.65 "Roboto",Arial,system-ui,sans-serif}
.w{max-width:760px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line)}
header .w{display:flex;align-items:center;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:500 18px "Roboto",Arial,sans-serif}
main{padding-block:32px 48px}
h1{font:400 clamp(28px,5vw,40px)/1.2 "Roboto",Arial,sans-serif;margin:0 0 4px;text-wrap:balance}
h2{font:500 20px/1.3 "Roboto",Arial,sans-serif;margin:32px 0 8px}
p,ul,ol{margin:0 0 12px}
ul,ol{padding-left:22px}
li{margin-bottom:6px}
a{color:var(--primary)}
.upd{color:var(--ink2);font-size:14px}
.back{margin-top:40px}
footer{background:var(--s2);color:var(--ink2);font-size:14px;padding-block:24px}