:root{
  --bg:#f6f7fb; --surface:#ffffff; --ink:#0d1222; --muted:#4f5769; --line:#e3e6ee; --accent:#2f4fe6; --hero:#0b0f1e; --hero-ink:#f3f5ff;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0a0d17; --surface:#121728; --ink:#eef1fa; --muted:#a3abc3; --line:#232a40; --accent:#8ea0ff; --hero:#05070f; }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Heebo",system-ui,sans-serif;font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
h1,h2{font-family:"Rubik","Heebo",sans-serif;line-height:1.25}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;inset-inline-start:16px;top:-60px;background:#fff;color:#0b0f1e;padding:10px 16px;border-radius:10px;font-weight:700;z-index:100;text-decoration:none}
.skip:focus{top:10px}
.bar{background:var(--hero);border-bottom:1px solid rgba(255,255,255,.06)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-family:"Rubik",sans-serif;font-weight:800;font-size:20px;color:var(--hero-ink);text-decoration:none}
.brand span{color:#8ea0ff}
.bar a.back{color:var(--hero-ink);font-size:15px}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
main{padding:48px 0 24px}
h1{font-size:clamp(30px,5vw,42px);margin:0 0 8px}
.updated{color:var(--muted);margin:0 0 32px}
h2{font-size:22px;margin:36px 0 10px}
p,li{margin:0 0 12px}
ul{padding-inline-start:22px;margin:0 0 12px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:20px 0}
footer{padding:32px 0 48px;color:var(--muted);font-size:15px;border-top:1px solid var(--line);margin-top:40px}
footer nav a{color:var(--muted);margin-inline-end:18px}
@media (max-width:420px){ .wrap{padding:0 16px} }
@media (prefers-reduced-motion: reduce){ *{scroll-behavior:auto!important;transition:none!important;animation:none!important} }