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var(--line);box-shadow:var(--shadow);overflow-wrap:anywhere;border-radius:18px;align-self:start;padding:22px}.bh-demo>small{letter-spacing:.1em;color:var(--muted);font-size:9px}.bh-demo-image{background:var(--accent-soft);min-height:150px;color:var(--accent);border-radius:12px;place-items:center;gap:8px;margin-top:16px;padding:20px;font-size:11px;display:grid}.bh-demo h3{margin:20px 0 10px;font-size:22px}.bh-demo .primary-button{white-space:normal;overflow-wrap:anywhere;max-width:100%;height:auto;min-height:42px}.bh-demo-status{min-height:36px;font-size:11px!important}.bh-bottom{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;margin:24px 0;display:grid}.bh-checklist,.bh-faq{background:var(--surface);border:1px solid var(--line);border-radius:18px;min-width:0;padding:24px}.bh-checklist>p{color:var(--muted);font-size:12px}.bh-checklist progress{width:100%;accent-color:var(--accent);margin-bottom:8px}.bh-checklist>b{color:var(--muted);margin-bottom:15px;font-size:12px;display:block}.bh-checklist label{cursor:pointer;align-items:flex-start;gap:10px;padding:9px 0;font-size:13px;line-height:1.6;display:flex}.bh-checklist input{accent-color:var(--accent);margin-top:4px}.bh-faq details{border-bottom:1px solid var(--line);padding:14px 0}.bh-faq summary{cursor:pointer;font-size:13px;font-weight:600;line-height:1.6}.bh-faq p{color:var(--muted);font-size:13px}.bh-sr-only{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}@media (max-width:1000px){.bh-layout{grid-template-columns:210px minmax(0,1fr)}.bh-basics{grid-template-columns:repeat(2,minmax(0,1fr))}.bh-hero{grid-template-columns:1fr}.bh-map{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:700px){.bh-layout,.bh-practice,.bh-bottom{grid-template-columns:minmax(0,1fr)}.bh-hero,.bh-practice{gap:20px;padding:20px}.bh-lesson{padding:20px}.bh-topics{padding-bottom:10px;display:flex;overflow-x:auto}.bh-topics>p{display:none}.bh-topics button{border-color:var(--line);background:var(--surface);flex-shrink:0;min-width:190px;max-width:220px}.bh-hero-actions>*,.bh-lesson-actions>*{justify-content:center;width:100%}.bh-search{padding:8px 12px}.bh-search input{font-size:13px}.bh-map{padding:14px}.bh-map>div{font-size:11px}.bh-basics{gap:8px}.bh-basics article{padding:13px}}
