.duo-banner{margin:0 auto;max-width:1280px}.duo-grid{align-items:stretch;display:grid;gap:14px;grid-template-columns:minmax(240px,320px) 1fr}.duo-banner .card{background:#f5f7fb;border-radius:16px;box-shadow:0 6px 18px rgba(0,0,0,.06);margin:0;overflow:hidden;width:100%}.duo-banner .card img{display:block;height:100%;object-fit:cover;width:100%}:root{--card-h:clamp(180px,22vw,230px)}.duo-banner .left,.duo-banner .right{height:340px}@media (max-width:900px){.duo-grid{grid-template-columns:minmax(200px,260px) 1fr}:root{--card-h:clamp(160px,26vw,210px)}}@media (max-width:520px){.duo-grid{grid-template-columns:1fr}.duo-banner .left,.duo-banner .right{height:auto}.duo-banner .left{aspect-ratio:4/3}}