:root{--bg:#fff;--fg:#111;--muted:#666;--accent:#0f6fff;--card:#f5f7fb}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1024px;margin:0 auto;padding:24px}
.nav{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
.brand{font-weight:700;letter-spacing:.3px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 14px;border-radius:8px;font-weight:600}
.btn:hover{opacity:.9;text-decoration:none}
.hero{padding:48px 0}.hero h1{margin:0 0 8px 0;font-size:34px}.hero p{margin:0 0 20px 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card{background:var(--card);padding:16px;border-radius:12px;border:1px solid #e5e8f0;display:flex;flex-direction:column;gap:8px}
.card h3{margin:0}
.footer{margin-top:48px;padding:24px 0;color:var(--muted);font-size:14px;border-top:1px solid #eee}
.small{font-size:13px;color:var(--muted)}