.nv{max-width:72ch}.nv-h{letter-spacing:-.01em;margin:36px 0 12px;scroll-margin-top:88px;font-size:1.4rem;font-weight:800}.nv-h:first-child{margin-top:8px}.nv-p{color:hsl(var(--foreground) / .9);margin:0 0 14px;font-size:1.05rem;line-height:1.8}.nv-formula{margin:18px 0;overflow-x:auto}.nv-callout{border:1px solid hsl(var(--primary) / .3);background:hsl(var(--primary) / .06);border-radius:14px;gap:12px;margin:18px 0;padding:14px 16px;font-size:15.5px;line-height:1.7;display:flex}.nv-callout>svg{width:18px;height:18px;color:hsl(var(--primary));flex:none;margin-top:3px}.nv-callout[data-tone=tip]{background:#05966912;border-color:#05966959}.nv-callout[data-tone=tip]>svg{color:#059669}.nv-callout[data-tone=warning]{background:#d9770614;border-color:#d9770666}.nv-callout[data-tone=warning]>svg{color:#d97706}.nv-example{border:1px solid hsl(var(--border));background:hsl(var(--card));border-radius:16px;margin:20px 0;padding:16px 18px;font-size:1.02rem;line-height:1.75}.nv-example-label{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--primary));align-items:center;gap:6px;margin-bottom:6px;font-size:12.5px;font-weight:800;display:flex}.nv-example-label>svg{width:14px;height:14px}.nv-solution,.nv-answer{margin-top:10px}.nv-solution>summary,.nv-answer>summary{cursor:pointer;min-height:44px;color:hsl(var(--primary));border-radius:10px;align-items:center;padding:0 10px;font-size:14px;font-weight:700;display:inline-flex}.nv-solution>summary:hover,.nv-answer>summary:hover{background:hsl(var(--primary) / .08)}.nv-solution>summary:focus-visible,.nv-answer>summary:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}.nv-solution[open]{border-left:3px solid #05966999;padding-left:12px}.nvb-list{margin-top:10px}.nvb{border-top:1px solid hsl(var(--border));grid-template-columns:52px minmax(0,1fr);gap:14px;padding:18px 0;display:grid}.nvb:first-child{border-top:0}.nvb-no{background:hsl(var(--primary) / .1);height:30px;font:800 12px var(--font-geist-mono), ui-monospace, monospace;color:hsl(var(--primary));border-radius:9px;place-items:center;display:grid}.nvb-h{letter-spacing:-.01em;margin:3px 0 0;scroll-margin-top:88px;font-size:15.5px;font-weight:800}.nvb-p{max-width:66ch;color:hsl(var(--foreground) / .92);margin:6px 0 0;font-size:15.5px;line-height:1.7}.nvb-h+.nvb-p,.nvb>div>.nvb-p:first-child{margin-top:6px}.nvb-f{background:hsl(var(--primary) / .08);border-radius:12px;margin-top:10px;padding:14px 16px;overflow-x:auto}.qb .nvb-f .katex-block-wrapper{background:0 0!important;margin:0!important;padding:0!important}.nvb-call{background:hsl(var(--primary) / .08);border-radius:14px;gap:12px;margin-top:14px;padding:14px 16px;font-size:14.5px;line-height:1.65;display:flex}.nvb-call b{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--primary));margin-bottom:3px;font-size:12px;font-weight:800;display:block}.nvb-call[data-tone=tip]{background:#f59e0b1f}.nvb-call[data-tone=tip] b{color:#9c6210}.nvb-call[data-tone=warning]{background:#e11d4817}.nvb-call[data-tone=warning] b{color:#c02656}.dark .nvb-call[data-tone=tip] b{color:#f4b860}.dark .nvb-call[data-tone=warning] b{color:#ff7fa3}.sd-ico.nvb-call-ico{border-radius:9px;width:30px;height:30px}.sd-ico.nvb-call-ico>svg{width:16px;height:16px}.nvb-ex{border:1px dashed hsl(var(--border));background:hsl(var(--muted) / .3);border-radius:12px;margin-top:10px;padding:14px 16px}.nvb-exq{font-size:14.5px;font-weight:700;line-height:1.6}.nvb-steps{color:hsl(var(--muted-foreground));gap:4px;margin:8px 0 0 18px;padding:0;font-size:14px;list-style:decimal;display:grid}.nvb-steps li:last-child{color:#047857;font-weight:800}.dark .nvb-steps li:last-child{color:#4ade9b}.nvb .nv-solution[open]{border-left:0;padding-left:0}@media (max-width:639px){.nvb{grid-template-columns:40px minmax(0,1fr);gap:10px}.nvb-p{font-size:15px}}.nvb-call[data-tone=before],.nv-before{background:#7c3aed17}.nvb-call[data-tone=before] b{color:#6d28d9}.dark .nvb-call[data-tone=before] b{color:#c4a7ff}.nv-check{background:#0ea5e90f;border:1px dashed #0ea5e973;border-radius:16px;margin:16px 0;padding:14px 16px;font-size:1rem;line-height:1.7}.nv-check .nv-example-label{color:#0369a1}.dark .nv-check .nv-example-label{color:#7dd3fc}.nv-use{text-align:left;color:hsl(var(--muted-foreground));align-items:flex-start;gap:8px;margin:8px 0 0;font-size:13.5px;line-height:1.6;display:flex}.nv-use>svg{color:#d97706;flex:none;width:15px;height:15px;margin-top:3px}.nv-use b{color:hsl(var(--foreground))}