.bf-ai-card{margin:1.4rem 0;padding:1.35rem 1.45rem;border:1px solid rgba(20,57,102,.18);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(7,36,75,.06)}
.bf-ai-card h2{margin-top:0;color:#0b315f}.bf-ai-card.tone-blue{border-left:6px solid #1f70bd}.bf-ai-card.tone-violet{border-left:6px solid #7658b8}.bf-ai-card.tone-green{border-left:6px solid #2d8a62}.bf-ai-card.tone-red{border-left:6px solid #c65656}.bf-ai-card.tone-gold{border-left:6px solid #c9952f}.bf-ai-card.tone-teal{border-left:6px solid #2c8f92}.bf-ai-card .ds-source-at-use{background:#eef5fb;padding:.85rem 1rem;border-radius:12px}.bf-ai-card ul{padding-left:1.3rem}.bf-ai-card li{margin:.35rem 0}
.bf-documentary-figure img{max-width:100%;height:auto}.bf-formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#071d3d;color:white;border-radius:12px;padding:1rem 1.1rem;overflow:auto}.bf-abc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.bf-abc>div{padding:1rem;border-radius:14px;background:#f7f9fc;border:1px solid #dce5ef}.bf-abc strong{display:block;color:#0a376d;margin-bottom:.4rem}@media(max-width:760px){.bf-abc{grid-template-columns:1fr}.bf-ai-card{padding:1.05rem}.bf-page-hero h1{font-size:clamp(1.8rem,8vw,2.5rem)}}