:root{--bg:#fff;--fg:#0b1220;--muted:#6b7280;--border:#e5e7eb;--card:#fff;--shadow:0 10px 30px rgba(0,0,0,.08);--accent:#0ea5e9;--accent2:#22c55e}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}a{color:inherit;text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:24px}.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;background:hsla(0,0%,100%,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10}.nav a{margin-right:10px;padding:8px 10px;border-radius:10px;transition:all .15s ease}.nav a:hover{background:#f3f4f6}.nav a.active{background:#0b1220;color:#fff;border:1px solid #0b1220}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.footer{padding:24px 20px;border-top:1px solid var(--border);color:var(--muted);text-align:center;margin-top:40px}.btn{display:inline-block;padding:12px 16px;border-radius:12px;border:1px solid #0b1220;background:#0b1220;color:#fff;transition:transform .1s ease,box-shadow .15s ease;box-shadow:0 6px 16px rgba(11,18,32,.15)}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,18,32,.2)}.btn.ghost{background:#fff;color:#0b1220}.btn.accent{background:linear-gradient(135deg,var(--accent),#60a5fa);border-color:transparent}.badge{font-size:12px;color:#0b1220;background:#e6f6ff;border:1px solid #bfe8ff;padding:4px 8px;border-radius:999px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:18px;gap:18px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.hero{text-align:center;padding:64px 20px;background:radial-gradient(1200px 400px at 50% -50%,rgba(14,165,233,.18),transparent 60%),radial-gradient(1200px 500px at 80% -30%,rgba(34,197,94,.16),transparent 60%);border-bottom:1px solid var(--border)}.hero h1{font-size:44px;margin:0;letter-spacing:-.5px}.hero p.tag{font-size:18px;color:#334155;margin:12px 0 18px}.form{display:grid;grid-gap:14px;gap:14px}.form .row{display:grid;grid-gap:6px;gap:6px}.form label{font-weight:600}.input,.textarea{padding:10px 12px;border:1px solid var(--border);border-radius:12px;width:100%}.ok{color:#16a34a}.err,.ok{margin-top:6px}.err{color:#dc2626}.subtle{font-size:12px;color:var(--muted)}.table{width:100%;border-collapse:collapse;margin-top:12px}.table td,.table th{padding:10px 12px;border:1px solid var(--border);text-align:left}.table th{background:#f8fafc}.price-good{color:var(--accent2);font-weight:700}note{display:block;color:#4b5563;font-size:12px;margin-top:8px}