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var(--color-border)}.article-section:last-of-type{border-bottom:none;padding-bottom:0}.article-section-title{font-size:1.5rem;font-weight:600;color:var(--color-text-primary);margin:0 0 var(--spacing-xs) 0;line-height:1.4}.article-text{font-size:1.0625rem;line-height:1.8;color:var(--color-text-secondary);margin:0}.article-list{display:flex;flex-direction:column;gap:var(--spacing-md);margin:var(--spacing-md) 0;padding-left:var(--spacing-lg)}.article-list ol{list-style:decimal;padding-left:var(--spacing-xl)}.article-list ul{list-style:disc}.article-list li{font-size:1.0625rem;line-height:1.8;color:var(--color-text-secondary);margin-bottom:.5rem}.article-list li:last-child{margin-bottom:0}.article-list li strong{color:var(--color-text-primary);font-weight:600}@media (max-width:768px){.calculator-article{padding:var(--spacing-lg) 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