.rf-lead{font-size:1.05rem;line-height:1.7;color:#425467}
.rf-primer{margin-top:1.6rem;padding:clamp(1.2rem,3vw,1.8rem);background:#f4f7f8;border:1px solid #cddae2;border-radius:1.1rem}
.rf-primer h3{margin:0 0 .6rem;color:#0c2848;font-size:1.45rem;line-height:1.2}.rf-primer h4{margin:1.35rem 0 .65rem;color:#0c2848;font-size:1.07rem}
.rf-primer-purpose{margin:0;color:#354d61;line-height:1.75}.rf-steps{counter-reset:rf-step;display:grid;gap:.7rem;margin:0;padding:0;list-style:none}
.rf-steps li{counter-increment:rf-step;display:grid;grid-template-columns:2rem 1fr;gap:.15rem .9rem;padding:1rem;background:#fff;border:1px solid #dce5e9;border-radius:.8rem}
.rf-steps li::before{content:counter(rf-step);grid-row:span 2;display:grid;place-items:center;align-self:start;width:2rem;height:2rem;border-radius:50%;background:#f6c945;color:#0c2848;font-size:.82rem;font-weight:850}
.rf-steps strong{color:#0c2848;font-size:.98rem}.rf-steps span{color:#41576a;font-size:.94rem;line-height:1.64}
.rf-example{margin-top:1rem;padding:1.15rem 1.3rem;color:#eaf1f7;background:#0c2848;border-radius:.9rem}.rf-example h4{margin:0 0 .55rem;color:#f6c945}
.rf-example p{margin:0;color:#eaf1f7;line-height:1.75}.rf-meaning{margin:1rem 0 0;color:#354d61;line-height:1.7}.rf-meaning strong{color:#0c2848}
.rf-rule-summary{margin:1.3rem 0;padding:1.2rem 1.4rem;background:#0c2848;color:#e8f0f5;border-left:4px solid #f6c945;border-radius:.65rem;line-height:1.65}
.rf-rule-summary strong{color:#f6c945}
.rf-legend{display:flex;flex-wrap:wrap;gap:.75rem 1.2rem;padding:.8rem 1.2rem;border-top:1px solid rgba(255,255,255,.14);color:#d7e4ef;background:#08192d;font-size:.85rem}
.rf-legend span{display:inline-flex;align-items:center;gap:.45rem}
.rf-legend i{width:13px;height:3px;background:#f6c945;display:inline-block}
.rf-legend .btc{background:#55adf7}.rf-legend .mix{background:#a4c8c6}.rf-legend .stop{background:#e45b6b}
.rf-chart{min-height:360px;background:#08192d}.rf-chart.compact{min-height:290px}
.rf-chart .chart-state{min-height:inherit;display:grid;place-items:center;padding:1.5rem;color:#d7e4ef;text-align:center}
.rf-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.rf-caption{margin:1rem 0 0;color:#617285;font-size:.86rem;line-height:1.6}
.rf-note{padding:1.25rem 1.4rem;background:#e8eef2;border:1px solid #cad7df;border-radius:.75rem;color:#354d61;line-height:1.7}
.rf-table{width:100%;border-collapse:collapse;background:#fff}.rf-table th,.rf-table td{padding:.85rem 1rem;border-bottom:1px solid #dce4e9;text-align:start;font-size:.87rem}.rf-table th{color:#43586b;background:#e7edf1}.rf-table tr:last-child td{border:0}.rf-table td:last-child{font-weight:750}
@media(max-width:760px){.rf-compare{grid-template-columns:1fr}.rf-chart{min-height:310px}.rf-chart.compact{min-height:260px}.rf-table th,.rf-table td{padding:.65rem .55rem;font-size:.78rem}}