:root{--ground:#F8F9FB;--sheet:#D7E3F3;--ink:#1A2233;--secondary:#4A5568;--blue:#1F3F8C;--red:#C8312F;--seam:#D3DAE5}
@media (prefers-color-scheme:dark){:root{--ground:#10182A;--sheet:#1A2B4C;--ink:#EEF2F8;--secondary:#AEB8CA;--blue:#9DB8F2;--seam:#2A3753}}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font:17px/1.55 -apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif}
.edge{height:8px;background:repeating-linear-gradient(135deg,var(--red) 0 10px,var(--ground) 10px 14px,#1F3F8C 14px 24px,var(--ground) 24px 28px)}
main{max-width:680px;margin:0 auto;padding:40px 20px 64px}
h1{font-size:32px;line-height:1.2;margin:0 0 6px}
h2{font-size:20px;margin:36px 0 8px}
p,li{color:var(--ink)} .quiet{color:var(--secondary)}
a{color:var(--blue)}
nav{display:flex;gap:16px;margin-bottom:28px;font-size:15px}
.lang{border-top:1px solid var(--seam);margin-top:48px;padding-top:8px}