.share-calc-wrapper[data-astro-cid-ap3o57pk]{justify-content:center;margin-top:-16px;margin-bottom:24px;display:flex}.share-calc-btn[data-astro-cid-ap3o57pk]{background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text-secondary);cursor:pointer;border-radius:20px;align-items:center;gap:8px;padding:6px 16px;font-size:.85rem;font-weight:500;transition:all .2s;display:inline-flex}.share-calc-btn[data-astro-cid-ap3o57pk]:hover{background:var(--color-bg-hover);color:var(--color-text);border-color:var(--color-primary)}.share-calc-btn[data-astro-cid-ap3o57pk].success{color:var(--color-accent-green);background:#10b9811a;border-color:#10b9814d}.site-header{z-index:100;background-color:var(--color-bg-header);-webkit-backdrop-filter:blur(12px)saturate(180%);border-bottom:1px solid var(--color-border);padding-top:env(safe-area-inset-top,0px);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:1200px;height:64px;margin:0 auto;padding:0 24px;display:flex}.logo{color:var(--color-text);align-items:center;gap:8px;font-size:1.25rem;font-weight:600;text-decoration:none;display:flex}.logo:hover{color:var(--color-text)}.logo-text{letter-spacing:-.02em;font-weight:400}.logo-text b{color:var(--color-primary);font-weight:800}.header-actions{align-items:center;gap:16px;display:flex}.header-link{color:var(--color-text-secondary);align-items:center;gap:4px;font-size:.875rem;font-weight:500;text-decoration:none;display:flex}.header-link:hover{color:var(--color-text)}.breadcrumb{border-bottom:1px solid var(--color-border);padding:16px 0}.breadcrumb .section-container{align-items:center;gap:6px;font-size:.8rem;display:flex}.breadcrumb a{color:var(--color-text-muted);text-decoration:none}.breadcrumb a[aria-current]{color:var(--color-text);font-weight:600}.section-container{max-width:1200px;margin:0 auto;padding:0 24px}.calculator-section{padding:28px 0 48px}.calc-header{text-align:center;margin-bottom:20px}.calc-header h1{letter-spacing:-.03em;margin-bottom:8px;font-size:clamp(1.6rem,3vw,2rem);font-weight:800}.calc-header p{color:var(--color-text-secondary);max-width:820px;margin:0 auto;font-size:1rem}.calc-byline{color:var(--color-text-muted);justify-content:center;align-items:center;gap:8px;margin-top:10px;font-size:.8rem;display:flex}.byline-link{color:var(--color-text-muted);align-items:center;gap:4px;text-decoration:none;transition:color .2s;display:flex}.byline-link:hover{color:var(--color-primary)}.byline-name{font-weight:600}.byline-sep{opacity:.4}.byline-date{color:var(--color-text-muted)}.seo-content{border-top:1px solid var(--color-border);background-color:var(--color-bg-card);padding:48px 0}.seo-content h2{letter-spacing:-.02em;margin-top:40px;margin-bottom:16px;font-size:1.5rem;font-weight:700}.seo-content h2:first-child{margin-top:0}.seo-content h3{margin:32px 0 12px;font-size:1.15rem;font-weight:700}.seo-content p{color:var(--color-text-secondary);max-width:720px;margin-bottom:12px;line-height:1.8}.seo-content ul,.seo-content ol{margin-bottom:16px;padding-left:24px}.seo-content li{color:var(--color-text-secondary);margin-bottom:8px;line-height:1.8}.seo-content a{color:var(--color-primary);text-decoration:none}.seo-content a:hover{text-decoration:underline}.seo-content details{border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;max-width:720px;margin-bottom:8px;padding:16px 20px}.seo-content summary{color:var(--color-text);font-weight:600}.seo-content details p{margin-top:12px}.formula-block{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);max-width:600px;margin:12px 0 16px;padding:16px 20px}.formula-block code{color:var(--color-primary);font-family:SF Mono,Fira Code,monospace;font-size:.9rem}.quick-answer{border-radius:var(--radius-sm);max-width:720px;color:var(--color-text-secondary);background:#0891b20d;border:1px solid #0891b226;margin:0 0 24px;padding:16px 20px;font-size:.85rem;line-height:1.6}.quick-answer strong{color:var(--color-text)}.quick-answer a{color:var(--color-primary)}.table-responsive{margin:16px 0;overflow-x:auto}.table-responsive table{border-collapse:collapse;width:100%;font-size:.85rem}.table-responsive th,.table-responsive td{border:1px solid var(--color-border);text-align:left;padding:10px 14px}.table-responsive th{background:var(--color-bg-card);color:var(--color-text);white-space:nowrap;font-weight:600}.table-responsive td{color:var(--color-text-secondary)}.hub-backlink{margin-top:12px;font-size:.9rem}.hub-backlink a{color:var(--color-primary);font-weight:500;text-decoration:none}.hub-backlink a:hover{text-decoration:underline}@media (width<=640px){.calculator-section{padding:16px 0 32px}.calc-header{text-align:left;margin-bottom:14px}.calc-header h1{font-size:1.5rem}.calc-header p{font-size:.9rem}.header-inner{height:auto;min-height:64px;padding-top:10px;padding-bottom:10px}.logo-text{font-size:1.08rem}.section-container{padding:0 16px}.breadcrumb .section-container{white-space:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px;overflow-x:auto}.breadcrumb .section-container::-webkit-scrollbar{display:none}.breadcrumb a,.site-footer a{align-items:center;min-height:44px;display:inline-flex}.faq-section details summary{align-items:center;min-height:44px;display:flex}}