.v2-steps-list{display:flex;flex-direction:column;gap:.75rem}.v2-step-card{background:#18181b;border:1px solid var(--color-border);border-radius:.75rem;padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.35rem}.v2-step-card.is-answer{border-color:color-mix(in srgb,var(--topic-accent) 50%,var(--color-border));background:color-mix(in srgb,var(--topic-accent) 6%,#18181b)}.v2-step-n{font-size:.68rem;font-weight:900;text-transform:uppercase;letter-spacing:.12em;color:var(--topic-accent);margin:0}.v2-step-title{font-size:.92rem;font-weight:700;color:var(--color-text);margin:0}.v2-step-eq{font-size:.95rem;font-family:ui-monospace,monospace;color:var(--color-text-secondary);margin:0;white-space:pre-wrap;line-height:1.6}.v2-step-eq strong,.v2-step-eq .accent{color:var(--topic-accent);font-weight:800}.v2-step-note{font-size:.8rem;color:var(--color-text-muted);margin:.25rem 0 0;line-height:1.4;font-style:italic}.step-table{border-collapse:collapse;margin-top:.25rem;font-size:.82rem;font-family:ui-monospace,monospace}.step-table td{padding:.2rem .6rem .2rem 0;color:var(--color-text-secondary)}.v3-grid[data-astro-cid-jfp2dkxe]{display:grid;grid-template-columns:1fr 1fr;gap:1.75rem;align-items:start}@media(max-width:860px){.v3-grid[data-astro-cid-jfp2dkxe]{grid-template-columns:1fr}}.v3-left[data-astro-cid-jfp2dkxe],.v3-right[data-astro-cid-jfp2dkxe]{display:flex;flex-direction:column;gap:.5rem}.v2-steps-heading[data-astro-cid-jfp2dkxe]{font-size:.68rem;font-weight:900;text-transform:uppercase;letter-spacing:.15em;color:var(--color-text-muted, #71717a);margin:0 0 .5rem;line-height:1.3}.mode-tabs[data-astro-cid-jfp2dkxe]{display:flex;background:var(--color-bg-main);border:1px solid var(--color-border);border-radius:.625rem;padding:.25rem;gap:.25rem}.mode-tab[data-astro-cid-jfp2dkxe]{flex:1;background:none;border:none;border-radius:.4rem;padding:.5rem .35rem;font-size:.78rem;font-weight:700;color:var(--color-text-muted);cursor:pointer;transition:all .15s}.mode-tab[data-astro-cid-jfp2dkxe]:hover{color:var(--color-text)}.mode-tab[data-astro-cid-jfp2dkxe].active{background:var(--topic-accent);color:#000}.ratio-preview-card[data-astro-cid-jfp2dkxe]{background:color-mix(in srgb,var(--topic-accent) 5%,transparent);border:1px solid color-mix(in srgb,var(--topic-accent) 20%,transparent);border-radius:.875rem;padding:1.25rem;display:flex;flex-direction:column;align-items:center;gap:.75rem}.ratio-preview[data-astro-cid-jfp2dkxe]{width:100%;height:130px;display:flex;align-items:center;justify-content:center}.ratio-rect[data-astro-cid-jfp2dkxe]{background:var(--topic-accent);border-radius:5px;display:flex;align-items:center;justify-content:center;transition:width .25s ease,height .25s ease;min-width:8px;min-height:8px}.ratio-rect-label[data-astro-cid-jfp2dkxe]{font-size:.85rem;font-weight:900;color:#000;font-family:ui-monospace,monospace;user-select:none}.ratio-name-tag[data-astro-cid-jfp2dkxe]{font-size:.75rem;font-weight:700;color:var(--topic-accent);text-transform:uppercase;letter-spacing:.08em}.result-boxes[data-astro-cid-jfp2dkxe]{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem}.result-box[data-astro-cid-jfp2dkxe]{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:.625rem;padding:.75rem 1rem;display:flex;flex-direction:column;gap:.15rem}.result-box[data-astro-cid-jfp2dkxe].highlight{border-color:var(--topic-accent);background:color-mix(in srgb,var(--topic-accent) 8%,transparent)}.rb-label[data-astro-cid-jfp2dkxe]{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--color-text-muted)}.rb-val[data-astro-cid-jfp2dkxe]{font-size:1.3rem;font-weight:900;color:var(--topic-accent);font-family:ui-monospace,monospace;line-height:1.1}.rb-sub[data-astro-cid-jfp2dkxe]{font-size:.7rem;color:var(--color-text-muted);font-family:ui-monospace,monospace}.ratios-grid[data-astro-cid-jfp2dkxe]{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}.ratio-card[data-astro-cid-jfp2dkxe]{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:.625rem;padding:.625rem .5rem;display:flex;flex-direction:column;align-items:center;gap:.25rem;cursor:pointer;transition:border-color .15s,background .15s;text-align:center}.ratio-card[data-astro-cid-jfp2dkxe]:hover{border-color:var(--topic-accent);background:color-mix(in srgb,var(--topic-accent) 5%,transparent)}.ratio-vis-wrap[data-astro-cid-jfp2dkxe]{height:38px;display:flex;align-items:center;justify-content:center}.ratio-vis[data-astro-cid-jfp2dkxe]{background:color-mix(in srgb,var(--topic-accent) 35%,transparent);border:1.5px solid var(--topic-accent);border-radius:3px}.ratio-card-label[data-astro-cid-jfp2dkxe]{font-size:.85rem;font-weight:800;color:var(--topic-accent);font-family:ui-monospace,monospace}.ratio-card-name[data-astro-cid-jfp2dkxe]{font-size:.7rem;font-weight:600;color:var(--color-text)}.ratio-card-desc[data-astro-cid-jfp2dkxe]{font-size:.62rem;color:var(--color-text-muted);line-height:1.3}.related-grid[data-astro-cid-jfp2dkxe]{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}@media(max-width:640px){.related-grid[data-astro-cid-jfp2dkxe]{grid-template-columns:1fr}}