:root{--bg:#F6F7FB;--surface:#FFFFFF;--outline:#D9DEEA;--ink:#111827;--muted:#5B6478;--primary:#1F3A8A;--accent:#E0A400}
@media (prefers-color-scheme:dark){:root{--bg:#0E1320;--surface:#161C2C;--outline:#2C3550;--ink:#F2F4FA;--muted:#A3ACC2;--primary:#8FA8FF;--accent:#F5C542}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 20px 64px}
.stripe{display:flex;height:3px;width:72px;margin-bottom:24px}.stripe i{flex:1}
.stripe i:nth-child(1){background:#000}.stripe i:nth-child(2){background:#DD0000}.stripe i:nth-child(3){background:#FFCE00}
h1{font-size:32px;line-height:1.2;margin:0 0 8px}
h2{font-size:21px;margin:32px 0 8px}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:15px}
a{color:var(--primary)}
nav{display:flex;gap:16px;flex-wrap:wrap;margin:0 0 32px;font-size:15px}
.card{background:var(--surface);border:1px solid var(--outline);border-radius:20px;padding:20px 24px;margin:16px 0}
footer{margin-top:48px;font-size:14px;color:var(--muted)}