.tool-header[data-astro-cid-ppcnz2hr]{margin-bottom:2rem}.calc-container[data-astro-cid-ppcnz2hr]{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.unit-toggle[data-astro-cid-ppcnz2hr]{display:flex;gap:.5rem;justify-content:center;margin-bottom:.5rem}.unit-btn[data-astro-cid-ppcnz2hr]{padding:.5rem 1.25rem;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg);color:var(--color-text);cursor:pointer;font-weight:500;transition:all .2s ease}.unit-btn[data-astro-cid-ppcnz2hr].active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.unit-btn[data-astro-cid-ppcnz2hr]:hover:not(.active){background:var(--color-bg-hover, #f6f8fa)}.input-card[data-astro-cid-ppcnz2hr]{border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;background:var(--color-bg)}.input-card[data-astro-cid-ppcnz2hr] h3[data-astro-cid-ppcnz2hr]{margin:0 0 1rem;font-size:1.1rem;color:var(--color-text)}.input-grid[data-astro-cid-ppcnz2hr]{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem}.input-group[data-astro-cid-ppcnz2hr]{display:flex;flex-direction:column;gap:.4rem}.input-group[data-astro-cid-ppcnz2hr] label[data-astro-cid-ppcnz2hr]{font-size:.85rem;font-weight:600;color:var(--color-secondary)}.number-input[data-astro-cid-ppcnz2hr],.select-input[data-astro-cid-ppcnz2hr]{padding:.6rem .8rem;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg);color:var(--color-text);font-size:1rem;width:100%}.number-input[data-astro-cid-ppcnz2hr]:focus,.select-input[data-astro-cid-ppcnz2hr]:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.hint[data-astro-cid-ppcnz2hr]{font-size:.75rem;color:var(--color-secondary)}.button-group[data-astro-cid-ppcnz2hr]{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.btn-primary[data-astro-cid-ppcnz2hr]{padding:.75rem 2rem;border-radius:10px;border:none;background:var(--color-primary);color:#fff;font-weight:600;font-size:1rem;cursor:pointer;transition:opacity .2s ease}.btn-primary[data-astro-cid-ppcnz2hr]:hover{opacity:.9}.btn-secondary[data-astro-cid-ppcnz2hr]{padding:.75rem 2rem;border-radius:10px;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease}.btn-secondary[data-astro-cid-ppcnz2hr]:hover{background:var(--color-bg-hover, #f6f8fa)}.result-card[data-astro-cid-ppcnz2hr]{border:1px solid var(--color-primary);border-radius:12px;padding:1.5rem;background:var(--color-bg)}.result-card[data-astro-cid-ppcnz2hr] h2[data-astro-cid-ppcnz2hr]{margin:0 0 1rem;font-size:1.2rem;color:var(--color-text);text-align:center}.result-grid[data-astro-cid-ppcnz2hr]{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.result-item[data-astro-cid-ppcnz2hr]{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1rem;border-radius:10px;background:#f6f8fa}.result-item[data-astro-cid-ppcnz2hr].highlight{background:var(--color-primary);color:#fff}.result-item[data-astro-cid-ppcnz2hr].highlight .result-label[data-astro-cid-ppcnz2hr]{color:#ffffffd9}.result-label[data-astro-cid-ppcnz2hr]{font-size:.8rem;color:var(--color-secondary);text-align:center}.result-value[data-astro-cid-ppcnz2hr]{font-size:1.5rem;font-weight:700;text-align:center}.info-card[data-astro-cid-ppcnz2hr]{border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;background:var(--color-bg);margin-bottom:1.5rem}.info-card[data-astro-cid-ppcnz2hr] h3[data-astro-cid-ppcnz2hr]{margin:0 0 1rem;font-size:1.1rem;color:var(--color-text)}.tip-list[data-astro-cid-ppcnz2hr]{list-style:none;padding:0;margin:0}.tip-list[data-astro-cid-ppcnz2hr] li[data-astro-cid-ppcnz2hr]{padding:.5rem 0 .5rem 1.5rem;position:relative;color:var(--color-secondary);line-height:1.6}.tip-list[data-astro-cid-ppcnz2hr] li[data-astro-cid-ppcnz2hr]:before{content:"💡";position:absolute;left:0}.info-section[data-astro-cid-ppcnz2hr]{margin-bottom:2rem}.info-section[data-astro-cid-ppcnz2hr] h2[data-astro-cid-ppcnz2hr]{font-size:1.3rem;margin-bottom:1rem;color:var(--color-text)}.info-section[data-astro-cid-ppcnz2hr] p[data-astro-cid-ppcnz2hr]{line-height:1.7;color:var(--color-secondary)}.feature-list[data-astro-cid-ppcnz2hr]{list-style:none;padding:0;margin:0}.feature-list[data-astro-cid-ppcnz2hr] li[data-astro-cid-ppcnz2hr]{padding:.5rem 0 .5rem 1.5rem;position:relative;color:var(--color-secondary);line-height:1.6}.feature-list[data-astro-cid-ppcnz2hr] li[data-astro-cid-ppcnz2hr]:before{content:"✓";position:absolute;left:0;color:var(--color-primary);font-weight:700}.faq-list[data-astro-cid-ppcnz2hr]{display:flex;flex-direction:column;gap:.5rem}.faq-item[data-astro-cid-ppcnz2hr]{border:1px solid var(--color-border);border-radius:8px;overflow:hidden}.faq-item[data-astro-cid-ppcnz2hr] summary[data-astro-cid-ppcnz2hr]{padding:1rem 1.25rem;cursor:pointer;font-weight:600;font-size:.95rem;color:var(--color-text);list-style:none;display:flex;align-items:center;gap:.5rem}.faq-item[data-astro-cid-ppcnz2hr] summary[data-astro-cid-ppcnz2hr]::-webkit-details-marker{display:none}.faq-item[data-astro-cid-ppcnz2hr] summary[data-astro-cid-ppcnz2hr]:before{content:"+";font-size:1.2rem;color:var(--color-primary);min-width:20px}.faq-item[data-astro-cid-ppcnz2hr][open] summary[data-astro-cid-ppcnz2hr]:before{content:"−"}.faq-item[data-astro-cid-ppcnz2hr] p[data-astro-cid-ppcnz2hr]{padding:0 1.25rem 1rem;margin:0;color:var(--color-secondary);line-height:1.7;font-size:.9rem}@media(prefers-color-scheme:dark){.result-item[data-astro-cid-ppcnz2hr]{background:#161b22}.unit-btn[data-astro-cid-ppcnz2hr]:hover:not(.active){background:#1c2128}}@media(max-width:600px){.input-grid[data-astro-cid-ppcnz2hr],.result-grid[data-astro-cid-ppcnz2hr]{grid-template-columns:1fr}}