:root{--ink:#1c2530;--muted:#5e6a77;--line:#d7dde5;--bg:#f6f8fb;--brand:#25364f;--accent:#1f7a8c}*{box-sizing:border-box}body{color:var(--ink);background:#fff;margin:0;font:16px/1.5 Inter,system-ui,sans-serif}a{color:var(--brand)}.wrap{max-width:1100px;margin:0 auto;padding:0 20px}.row{display:flex}.between{justify-content:space-between}.center{align-items:center}.site-head{border-bottom:1px solid var(--line);background:#fff;padding:14px 0;position:sticky;top:0}.logo{color:var(--brand);font-size:1.25rem;font-weight:800;text-decoration:none}.nav{flex-wrap:wrap;gap:14px;display:flex}.nav a{color:var(--ink);text-decoration:none}.nav a[aria-current=page]{font-weight:700}.hero{padding:44px 0}.hero h1{margin:.1em 0;font-size:clamp(2rem,4vw,3rem)}.lead{color:var(--muted);max-width:75ch;font-size:1.1rem}.grid{gap:20px;display:grid}.g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.card{border:1px solid var(--line);background:#fff;border-radius:12px;padding:18px}.muted{color:var(--muted)}.btn{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:10px;padding:10px 16px;text-decoration:none;display:inline-block}.btn.alt{color:var(--brand);border:1px solid var(--line);background:#fff}.table{border-collapse:collapse;width:100%}.table th,.table td{border-bottom:1px solid var(--line);text-align:left;padding:10px}.field{gap:6px;margin:10px 0;display:grid}.input,select,textarea{border:1px solid #b8c3d1;border-radius:8px;width:100%;padding:10px}.step{display:none}.step.on{display:block}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:7px 10px}.site-foot{border-top:1px solid var(--line);background:var(--bg);margin-top:40px;padding:24px 0}.notice{background:#eef6ff;border:1px solid #cfe3ff;border-radius:10px;padding:12px}