:root{--bg:#f8fafc;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--card:#fff;--accent:#1d4ed8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}main{width:min(1120px,calc(100% - 32px));margin:32px auto}.topbar{border-bottom:1px solid var(--line);background:hsla(0,0%,100%,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;justify-content:space-between;gap:16px;padding:16px max(16px,calc((100vw - 1120px) / 2));position:-webkit-sticky;position:sticky;top:0;z-index:10}.brand{font-weight:900}nav{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted)}.hero{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 20px 60px rgba(15,23,42,.08)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:18px;gap:18px;margin-top:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px}.card h3{margin:0 0 10px}.muted{color:var(--muted)}.content{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px;line-height:1.75}.content img{max-width:100%;height:auto}footer{width:min(1120px,calc(100% - 32px));margin:60px auto 32px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}