.opa-fe{font-family:system-ui,sans-serif;max-width:960px;margin:0 auto}
.opa-fe-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:16px 0}
.opa-fe-card{border:1px solid #e5e7eb;border-radius:14px;padding:18px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.opa-fe-card.call{border-top:4px solid #22c55e}.opa-fe-card.put{border-top:4px solid #ef4444}.opa-fe-card.no_trade{border-top:4px solid #9ca3af}
.opa-fe-badge{display:inline-block;padding:3px 12px;border-radius:20px;font-size:11px;font-weight:800;margin-bottom:8px}
.opa-fe-badge.call{background:#22c55e;color:#fff}.opa-fe-badge.put{background:#ef4444;color:#fff}.opa-fe-badge.no_trade{background:#9ca3af;color:#fff}
.opa-fe-row{display:flex;justify-content:space-between;font-size:12px;padding:4px 0;border-bottom:1px solid #f3f4f6}
.opa-fe-disc{font-size:11px;color:#9ca3af;border:1px solid #e5e7eb;border-radius:8px;padding:10px;margin-top:16px}