/* Langhui brand system: training data for AI and robotics. */
.lh-brand-proof{background:#fff;border-bottom:1px solid #e2e8f0}.lh-brand-proof__grid{max-width:1180px;margin:0 auto;padding:36px 20px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.lh-brand-proof article{padding:22px;border:1px solid #e2e8f0;border-radius:14px;background:#f8fafc}.lh-brand-proof h2{font-size:17px;line-height:1.35;color:#102a4c;margin:0 0 8px}.lh-brand-proof p{font-size:14px;line-height:1.75;color:#475569;margin:0}.lh-brand-proof__eyebrow{color:#b42318;font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}@media(max-width:720px){.lh-brand-proof__grid{grid-template-columns:1fr;padding:24px 20px;gap:12px}}