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var(--border);border-radius:var(--radius-sm);background:var(--bg-subtle)}.toc-wrapper[data-astro-cid-7lhpzjcp] summary[data-astro-cid-7lhpzjcp]{padding:12px 16px;font-size:.85rem;font-weight:600;color:var(--text);cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}.toc-wrapper[data-astro-cid-7lhpzjcp] summary[data-astro-cid-7lhpzjcp]::-webkit-details-marker{display:none}.toc-wrapper[data-astro-cid-7lhpzjcp] summary[data-astro-cid-7lhpzjcp]:after{content:"▾";font-size:.75rem;color:var(--text-tertiary);transition:transform .2s}.toc-wrapper[data-astro-cid-7lhpzjcp][open] summary[data-astro-cid-7lhpzjcp]:after{transform:rotate(180deg)}.toc-list[data-astro-cid-7lhpzjcp]{padding:0 16px 14px;list-style:none;display:flex;flex-direction:column;gap:6px}.toc-list[data-astro-cid-7lhpzjcp] a[data-astro-cid-7lhpzjcp]{font-size:.84rem;color:var(--text-secondary);padding:4px 10px;border-radius:6px;transition:all 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28px;background:var(--brand);color:#fff;border-radius:var(--radius-pill);font-weight:700;font-size:.95rem;transition:all .2s;box-shadow:0 4px 12px #ff6f0f29}.solver-cta-btn[data-astro-cid-ggkecnxq]:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 6px 16px #ff6f0f38}.topic-hero[data-astro-cid-bub7cl3e]{padding:32px 0 0}.breadcrumbs[data-astro-cid-bub7cl3e]{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-tertiary);margin-bottom:16px}.breadcrumbs[data-astro-cid-bub7cl3e] a[data-astro-cid-bub7cl3e]{color:var(--text-secondary)}.breadcrumbs[data-astro-cid-bub7cl3e] a[data-astro-cid-bub7cl3e]:hover{color:var(--brand)}.breadcrumbs[data-astro-cid-bub7cl3e] 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dd[data-astro-cid-bub7cl3e]{margin:0;color:var(--text-secondary);line-height:1.7}@media(max-width:768px){h1[data-astro-cid-bub7cl3e]{font-size:1.75rem}}.widget-wrapper[data-astro-cid-urfruqnv]{margin:32px 0;border:1px solid var(--border);border-radius:var(--radius);padding:20px;overflow:hidden}.inline-cta[data-astro-cid-og5vuuoo]{margin:36px 0;padding:24px 28px;background:linear-gradient(135deg,var(--brand-light),#fff5eb);border:1px solid var(--brand-subtle);border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:20px}.inline-cta-text[data-astro-cid-og5vuuoo] h3[data-astro-cid-og5vuuoo]{font-family:var(--font-heading);font-size:1.05rem;font-weight:700;margin:0 0 4px}.inline-cta-text[data-astro-cid-og5vuuoo] p[data-astro-cid-og5vuuoo]{font-size:.85rem;color:var(--text-secondary);margin:0}.btn-cta[data-astro-cid-og5vuuoo]{display:inline-flex;align-items:center;gap:6px;padding:12px 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