@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/be-vietnam-pro-400.woff2') format('woff2')}@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/be-vietnam-pro-500.woff2') format('woff2')}@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/be-vietnam-pro-600.woff2') format('woff2')}@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/source-serif-4-600.woff2') format('woff2')}@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/source-serif-4-700.woff2') format('woff2')}:root{--font-heading:'Source Serif 4',Georgia,serif;--font-body:'Be Vietnam Pro',system-ui,sans-serif;--text:#1a1a1a;--text-muted:#68635d;--bg:#f5f3f0;--surface:#fff;--border:#d9d5ce;--border-light:#e8e5df;--primary:#1e3a5f;--primary-dark:#152b47;--accent:#2e7d32;--accent-bg:#f0faf3;--green:#1a7f37;--green-bg:#f0faf3;--green-border:#bfe5cb;--green-text:#15803d;--radius:2px;--max-width:840px}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}.skip-link{position:absolute;top:-100%;left:0;background:var(--primary);color:#fff;padding:0.5rem 1rem;z-index:100;font-size:0.85rem;text-decoration:none}.skip-link:focus{top:0}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}.site-header{background:var(--surface);padding:0 1.5rem;height:60px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.site-header>a{display:inline-flex;align-items:center;text-decoration:none}.site-logo{height:40px;width:auto;display:block}.site-nav{display:flex;gap:1.5rem}.site-nav a{text-decoration:none;color:var(--text-muted);font-size:0.8rem;font-weight:600;letter-spacing:0.04em;text-transform:uppercase}.site-nav a:hover{color:var(--text)}.container{max-width:var(--max-width);margin:0 auto;padding:2.5rem 1.5rem 3rem}.site-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--text-muted);padding:1.5rem;text-align:center;font-size:0.78rem;line-height:1.8}.site-footer a{color:var(--primary);text-decoration:none;font-weight:500}.site-footer a:hover{text-decoration:underline}h1{font-family:var(--font-heading);font-size:2rem;font-weight:700;line-height:1.15;letter-spacing:-0.015em;margin-bottom:0.5rem;color:var(--text)}h2{font-family:var(--font-body);font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-muted);margin:2.25rem 0 0.4rem;padding-bottom:0.35rem;border-bottom:1px solid var(--border-light)}h3{font-size:0.92rem;font-weight:600;margin:1.25rem 0 0.3rem}p{margin-bottom:0.9rem}.subtitle{color:var(--text-muted);font-size:0.95rem;line-height:1.55;margin-bottom:1.75rem}.breadcrumb{font-size:0.75rem;color:var(--text-muted);margin-bottom:1rem}.breadcrumb a{color:var(--primary);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.breadcrumb-sep{margin:0 0.35rem;color:var(--border)}.quick-answer{background:#eff6ff;border:1px solid #bfdbfe;border-left:3px solid #3b82f6;border-radius:2px;padding:0.9rem 1.1rem;margin-bottom:1.25rem;font-size:0.88rem;line-height:1.6;color:var(--text)}.quick-answer strong{color:#1e40af}.calc-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem}.calc-field{margin-bottom:1rem}.calc-field label{display:block;font-weight:600;margin-bottom:0.25rem;font-size:0.84rem;color:var(--text)}.calc-field select,.calc-field input[type="number"]{width:100%;padding:0.5rem 0.65rem;border:1px solid var(--border);border-radius:var(--radius);font-size:0.88rem;font-family:var(--font-body);background:var(--surface);color:var(--text);appearance:none;-webkit-appearance:none}.calc-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2368635d' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 0.65rem center;padding-right:2rem}.calc-field select:focus,.calc-field input[type="number"]:focus{outline:none;border-color:var(--primary)}.calc-field .field-hint{font-size:0.75rem;color:var(--text-muted);margin-top:0.15rem}.calc-checkbox{display:flex;align-items:center;gap:0.45rem}.calc-checkbox input{width:16px;height:16px;accent-color:var(--primary)}.calc-checkbox label{font-weight:500;font-size:0.88rem;margin-bottom:0}.calc-btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:0.55rem 1.4rem;font-size:0.85rem;font-weight:600;font-family:var(--font-body);border-radius:var(--radius);cursor:pointer;margin-top:0.35rem;text-decoration:none;letter-spacing:0.01em}.calc-btn:hover{background:var(--primary-dark);color:#fff}.calc-result{display:none;margin-top:1.25rem;padding:1.25rem;background:var(--green-bg);border:1px solid var(--green-border);border-radius:var(--radius)}.calc-result.visible{display:block}.calc-result>strong{font-size:0.72rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-muted)}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0.5rem;text-align:center;margin-top:0.6rem}.result-item{padding:0.4rem 0}.result-label{font-size:0.62rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted);font-weight:600;margin-bottom:0.1rem}.result-value{font-family:var(--font-heading);font-size:1.65rem;font-weight:700;color:var(--green-text);letter-spacing:-0.02em}.result-value.avg{font-size:2rem}.disclaimer{font-size:0.75rem;color:var(--text-muted);margin-top:0.75rem;padding-top:0.6rem;border-top:1px solid var(--green-border)}.cta-box{background:var(--accent-bg);border:1px solid var(--green-border);border-left:3px solid var(--accent);border-radius:var(--radius);padding:1.25rem;margin:1.5rem 0}.cta-box p{margin-bottom:0.6rem;font-weight:600;font-size:0.95rem;color:var(--text)}.cta-box .calc-btn,.content .cta-box .calc-btn{margin-top:0;background:var(--primary);color:#fff;text-decoration:none}.cta-box .calc-btn:hover,.content .cta-box .calc-btn:hover{background:var(--primary-dark);color:#fff}.content h2{font-family:var(--font-heading);font-size:1.35rem;font-weight:600;text-transform:none;letter-spacing:-0.01em;color:var(--text);border-bottom:none;padding-bottom:0}.content h3{font-size:0.95rem;font-weight:600}.content ul,.content ol{margin:0 0 0.9rem 1.5rem}.content li{margin-bottom:0.3rem}.content p{line-height:1.75}.content a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}.content a:hover{color:var(--primary-dark)}.cost-table{width:100%;border-collapse:collapse;margin:0.75rem 0 1.25rem;font-size:0.86rem}.cost-table th,.cost-table td{padding:0.5rem 0.65rem;text-align:left;border-bottom:1px solid var(--border-light)}.cost-table thead th{background:var(--bg);font-weight:600;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.04em;color:var(--text-muted);border-bottom:1px solid var(--border)}.cost-table tbody tr:last-child td{border-bottom:none}.cost-table tbody td:last-child{font-weight:600;white-space:nowrap}.last-updated{font-size:0.75rem;color:var(--text-muted);margin-bottom:1.25rem}.faq-item{margin-bottom:1.25rem}.faq-item h3{margin-bottom:0.15rem;color:var(--text)}.calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:0.5rem;margin-top:0.4rem;margin-bottom:0.25rem}.calc-card{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);padding:0.75rem 0.9rem;text-decoration:none;color:var(--text)}.calc-card:hover{border-color:var(--primary)}.calc-card h3{margin:0 0 0.1rem;font-size:0.86rem;font-weight:600;color:var(--primary)}.calc-card p{margin:0;font-size:0.76rem;color:var(--text-muted);line-height:1.4}.embed-cta{margin-top:0.75rem;text-align:center}.embed-cta button{font-size:0.75rem;color:var(--text-muted);background:none;border:none;cursor:pointer;text-decoration:underline;text-underline-offset:2px;font-family:var(--font-body)}.embed-cta button:hover{color:var(--text)}.embed-box{margin-top:0.5rem;padding:1rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}.embed-label{font-size:0.78rem;font-weight:600;color:var(--text-muted);margin-bottom:0.4rem}.embed-code{width:100%;font-family:monospace;font-size:0.75rem;padding:0.5rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);resize:none;margin-bottom:0.5rem}.embed-copy{font-size:0.78rem;padding:0.4rem 1rem}.ad-slot{display:none}@media (max-width:600px){h1{font-size:1.5rem}.content h2{font-size:1.15rem}.site-logo{height:34px}.site-header{height:52px}.container{padding:1.5rem 1rem}.calc-wrap{padding:1rem}.result-grid{grid-template-columns:1fr}.result-value{font-size:1.3rem}.result-value.avg{font-size:1.5rem}.calc-grid{grid-template-columns:1fr}}@media print{.site-header,.site-footer,.site-nav,.ad-slot,.cta-box,.calc-wrap,.embed-cta,.embed-box,.skip-link,.calc-grid{display:none}.calc-result.visible{display:block;border:1px solid #000}body{background:#fff;color:#000}.container{max-width:100%;padding:0}a{color:#000;text-decoration:underline}.quick-answer{border-left-color:#000;background:#f5f5f5}}