.guide-article{max-width:720px;margin:0 auto;padding:2rem 1.5rem 4rem}.guide-article h1{font-size:2rem;font-weight:700;line-height:1.25;margin-bottom:1.5rem;color:var(--text-primary, #1a1a1a)}.guide-article h2{font-size:1.5rem;font-weight:600;line-height:1.3;margin-top:3rem;margin-bottom:1rem;color:var(--text-primary, #1a1a1a)}.guide-article h3{font-size:1.2rem;font-weight:600;line-height:1.35;margin-top:2rem;margin-bottom:.75rem;color:var(--text-primary, #1a1a1a)}.guide-article p{font-size:1.05rem;line-height:1.75;margin-bottom:1.25rem;color:var(--text-secondary, #333)}.guide-article .lead{font-size:1.15rem;line-height:1.7;color:var(--text-primary, #1a1a1a);margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-light, #e5e5e5)}.guide-article ul,.guide-article ol{margin-bottom:1.5rem;padding-left:1.5rem}.guide-article li{font-size:1.05rem;line-height:1.7;margin-bottom:.5rem;color:var(--text-secondary, #333)}.guide-article table{width:100%;border-collapse:collapse;margin:1.5rem 0 2rem;font-size:.95rem}.guide-article th{background:var(--bg-warm, #faf5f0);font-weight:600;text-align:left;padding:.75rem 1rem;border-bottom:2px solid var(--border-medium, #ddd)}.guide-article td{padding:.75rem 1rem;border-bottom:1px solid var(--border-light, #e5e5e5)}.guide-article strong{font-weight:600;color:var(--text-primary, #1a1a1a)}.guide-article a{color:var(--brand-primary, #c5582a);text-decoration:underline}.guide-article a[class*=bg-brand]{color:#fff;text-decoration:none}.calculator-cta{background:var(--bg-warm, #faf5f0);border:1px solid var(--border-light, #e5e5e5);border-radius:12px;padding:1.5rem;margin-bottom:2.5rem;text-align:center}.calculator-cta p{font-size:1rem;margin-bottom:.75rem;color:var(--text-secondary, #555)}.calculator-cta a{display:inline-block;background:var(--brand-primary, #c5582a);color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;text-decoration:none}.affiliate-box{border:1px solid var(--border-light, #e5e5e5);border-radius:12px;padding:1.5rem;margin:2.5rem 0}.affiliate-box .affiliate-label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--brand-primary, #c5582a);margin-bottom:.75rem}.affiliate-box .affiliate-title{font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.affiliate-box .affiliate-desc{font-size:.95rem;color:var(--text-secondary, #555);line-height:1.6;margin-bottom:1rem}.affiliate-box .affiliate-disclaimer{font-size:.8rem;color:var(--text-muted, #888);margin-top:.75rem}.faq-section{margin-top:3rem;border-top:1px solid var(--border-light, #e5e5e5);padding-top:2rem}.faq-item{border-bottom:1px solid var(--border-light, #e5e5e5);padding:1rem 0}.faq-question{font-weight:600;font-size:1.05rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-answer{font-size:1rem;line-height:1.7;padding-top:.75rem;color:var(--text-secondary, #333)}.related-articles{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border-light, #e5e5e5)}.related-articles h2{font-size:1.3rem;font-weight:700;margin-top:0;margin-bottom:1.25rem;color:var(--text-primary, #1a1a1a)}.related-grid{display:grid;grid-template-columns:1fr;gap:.75rem}.related-card{display:flex;flex-direction:column;gap:.25rem;padding:1rem 1.15rem;border:1px solid var(--border-light, #e5e5e5);border-radius:10px;text-decoration:none;transition:border-color .15s,box-shadow .15s}.related-card:hover{border-color:var(--brand-primary, #c5582a);box-shadow:0 2px 8px #c5582a1a}.related-card-tag{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--brand-primary, #c5582a)}.related-card-title{font-size:.95rem;font-weight:600;line-height:1.35;color:var(--text-primary, #1a1a1a)}.related-card-desc{font-size:.85rem;line-height:1.5;color:var(--text-secondary, #555)}.related-card--cross{border-style:dashed}.related-nav{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--border-light, #e5e5e5)}.related-nav-link{display:inline-flex;align-items:center;gap:.4rem;font-size:.9rem;font-weight:500;color:var(--text-secondary, #555);text-decoration:none;transition:color .15s}.related-nav-link:hover{color:var(--brand-primary, #c5582a)}.related-nav-calc{color:var(--brand-primary, #c5582a);font-weight:600}@media (min-width: 480px){.related-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.guide-article{padding:1.5rem 1rem 3rem}.guide-article h1{font-size:1.6rem}.guide-article h2{font-size:1.3rem;margin-top:2.5rem}.guide-article h3{font-size:1.1rem}.guide-article p,.guide-article li{font-size:1rem}.guide-article table{font-size:.85rem}.guide-article th,.guide-article td{padding:.5rem .75rem}}