.br-units .mk-card{min-height:9.5rem}.br-unit-note{margin:1.5rem 0 0;max-width:52rem;font-size:.82rem;line-height:1.8;color:var(--text-3)}.br-formula-card{padding:1.5rem;border:1px solid var(--border);border-radius:16px;background:var(--panel)}@media (min-width:768px){.br-formula-card{padding:2rem}}.br-formula{margin:0;font-family:var(--mono);font-size:.95rem;line-height:1.9;color:var(--text);overflow-wrap:anywhere}.br-calc-note{margin:.85rem 0 0;font-size:.8rem;line-height:1.8;color:var(--text-3)}.br-example{margin-top:1.5rem;padding-top:1.5rem;border-top:1px dashed var(--border-2)}.br-example-label{margin:0 0 .5rem;font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-3)}.br-example-line{margin:0;font-family:var(--mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:.92rem;line-height:1.95;color:var(--text-2);overflow-wrap:anywhere}.br-example-line strong{color:var(--text);font-weight:700}.br-example-model{display:inline-block;margin-right:.35rem;padding:.1rem .45rem;border:1px solid rgba(96,165,250,.32);border-radius:999px;background:rgba(37,99,235,.12);font-size:.78rem;color:var(--brand-4)}.br-example-hint{margin:.65rem 0 0;font-size:.78rem;line-height:1.75;color:var(--text-3)}.br-example-fallback{margin:1.25rem 0 0;padding-top:1.25rem;border-top:1px dashed var(--border-2);font-size:.84rem;line-height:1.8;color:var(--text-2)}.br-rule{min-height:11rem}.br-rule-num{display:inline-flex;align-items:center;justify-content:center;min-width:2.1rem;height:1.6rem;margin-bottom:.85rem;padding:0 .4rem;border:1px solid rgba(96,165,250,.3);border-radius:999px;background:rgba(37,99,235,.12);font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.04em;color:var(--brand-3)}.br-faq-list{max-width:52rem}.br-cta-section{padding-top:0;padding-bottom:4rem}@media (min-width:768px){.br-cta-section{padding-bottom:6rem}}@media (max-width:639px){.br-rules,.br-units{gap:.85rem}.br-unit-note{margin-top:1.1rem}}