.content-section[data-astro-cid-7brflda4]{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;margin-bottom:24px}.content-section[data-astro-cid-7brflda4] h2[data-astro-cid-7brflda4]{font-size:1.3rem;font-weight:700;margin-bottom:16px;color:var(--text)}.content-section[data-astro-cid-7brflda4] h3[data-astro-cid-7brflda4]{font-size:1.1rem;font-weight:600;margin:20px 0 12px;color:var(--text)}.content-section[data-astro-cid-7brflda4] p[data-astro-cid-7brflda4]{color:var(--text-secondary);line-height:1.7;margin-bottom:12px}.content-section[data-astro-cid-7brflda4] ul[data-astro-cid-7brflda4]{color:var(--text-secondary);line-height:1.7;margin:12px 0;padding-left:24px}.content-section[data-astro-cid-7brflda4] li[data-astro-cid-7brflda4]{margin-bottom:8px}.faq-item[data-astro-cid-7brflda4]{border-bottom:1px solid var(--border);padding:20px 0}.faq-item[data-astro-cid-7brflda4]:first-of-type{padding-top:0}.faq-item[data-astro-cid-7brflda4]:last-of-type{border-bottom:none;padding-bottom:0}.faq-question[data-astro-cid-7brflda4]{font-weight:600;font-size:1rem;color:var(--text);margin-bottom:8px;display:flex;align-items:flex-start;gap:10px}.faq-question[data-astro-cid-7brflda4]:before{content:"Q";background:var(--primary);color:#fff;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:4px;flex-shrink:0}.faq-answer[data-astro-cid-7brflda4]{color:var(--text-secondary);line-height:1.7;padding-left:32px}.related-tools[data-astro-cid-7brflda4]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:16px}.related-tool-link[data-astro-cid-7brflda4]{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text);text-decoration:none;font-weight:500;font-size:.9rem;transition:all var(--transition)}.related-tool-link[data-astro-cid-7brflda4]:hover{border-color:var(--primary);background:var(--surface);transform:translate(4px)}.related-tool-link[data-astro-cid-7brflda4] svg[data-astro-cid-7brflda4]{width:18px;height:18px;color:var(--primary);flex-shrink:0}.sum-card[data-astro-cid-7brflda4]{position:fixed;bottom:-200px;left:50%;transform:translate(-50%);z-index:1000;background:var(--surface);border:1px solid var(--border);border-top:3px solid var(--primary);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:16px 20px 14px;min-width:320px;max-width:600px;width:90vw;box-shadow:0 -8px 32px #00000026;transition:bottom .35s cubic-bezier(.34,1.56,.64,1);display:flex;flex-direction:column;gap:8px}.sum-card[data-astro-cid-7brflda4].visible{bottom:0}.sum-card-header[data-astro-cid-7brflda4]{display:flex;align-items:center;justify-content:space-between;gap:8px}.sum-card-label[data-astro-cid-7brflda4]{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--primary)}.sum-card-close[data-astro-cid-7brflda4]{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1rem;padding:0 4px;line-height:1;transition:color var(--transition)}.sum-card-close[data-astro-cid-7brflda4]:hover{color:var(--text)}.sum-card-total[data-astro-cid-7brflda4]{font-size:2rem;font-weight:800;color:var(--text);letter-spacing:-.02em;line-height:1}.sum-card-equation[data-astro-cid-7brflda4]{font-family:JetBrains Mono,monospace;font-size:.78rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sum-card-copy[data-astro-cid-7brflda4]{align-self:flex-start;margin-top:4px;padding:6px 18px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:opacity var(--transition)}.sum-card-copy[data-astro-cid-7brflda4]:hover{opacity:.85}.checkbox-group[data-astro-cid-7brflda4]{display:flex;align-items:center;gap:8px;background:var(--bg-subtle);padding:6px 12px;border-radius:var(--radius-sm);border:1px solid var(--border)}.checkbox-group[data-astro-cid-7brflda4] input[data-astro-cid-7brflda4][type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--primary)}.checkbox-group[data-astro-cid-7brflda4] label[data-astro-cid-7brflda4]{font-size:.85rem;font-weight:500;color:var(--text-secondary);cursor:pointer;user-select:none}.example-code[data-astro-cid-7brflda4]{background:var(--bg-subtle);padding:16px;border-radius:var(--radius-sm);border:1px solid var(--border);overflow-x:auto;font-family:JetBrains Mono,monospace;font-size:.9rem}