:root{--ink:#0f172a;--blue:#2563eb;--border:#e2e8f0}
*{box-sizing:border-box}
body.brn-cards{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff}
.container{width:min(1120px,92%);margin:0 auto}
.card{margin:28px auto;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:0 4px 16px rgba(2,6,23,.06);max-width:1100px;background:#fff}
.card img{display:block;width:100%;height:auto}
.section{padding:8px 0}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:1fr 1fr}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}}
.form-card{padding:18px}
label{font-weight:600}
input,textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:10px}
button.submit{background:var(--blue);color:#fff;border:0;padding:10px 16px;border-radius:10px;font-weight:700}
.notice{margin:10px 0;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:#ecfeff;color:#0f172a}
.footer{padding:28px 0;color: #64748b;border-top:1px solid var(--border)}
.footer a{color:var(--blue);text-decoration:none}