:root{color-scheme:light dark;--ink:#192033;--muted:#596276;--paper:#f7f8fc;--card:#fff;--accent:#4c43e5;--line:#dfe3ef}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{width:min(960px,calc(100% - 32px));margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:22px 0}.brand{font-weight:800;text-decoration:none;color:var(--ink);letter-spacing:-.02em}.language{display:flex;gap:8px;align-items:center;font-size:.9rem;color:var(--muted)}select{padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}.hero{padding:64px 0 32px;max-width:720px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:.74rem;font-weight:700;color:var(--accent)}h1{font-size:clamp(2rem,6vw,3.7rem);line-height:1.06;letter-spacing:-.045em;margin:.2em 0}h2{margin-top:1.8em;font-size:1.25rem}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 30px}.card,.notice{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}.card h2{margin:0 0 8px}.card p{color:var(--muted);font-size:.96rem}.notice{border-color:#c9c5ff}.links{display:flex;gap:12px;margin:30px 0}.links a{padding:11px 16px;background:var(--accent);border-radius:9px;color:white;text-decoration:none;font-weight:650}.prose{padding:38px 0 70px;max-width:820px}.prose h1{margin-bottom:10px}.prose p,.prose li{max-width:760px}.prose li{margin-bottom:9px}.prose strong{color:var(--ink)}footer{padding:32px 0;color:var(--muted);font-size:.86rem}@media (max-width:700px){.cards{grid-template-columns:1fr}.hero{padding-top:34px}header{align-items:flex-start;gap:12px}.language{flex-direction:column;align-items:flex-end}}
@media (prefers-color-scheme:dark){:root{--ink:#eff1fa;--muted:#bbc0d1;--paper:#151722;--card:#1d2030;--line:#35394d;--accent:#9d96ff}}