.article,.blog{padding:2rem 0 5rem}.crumbs{font-size:.88rem;color:var(--color-text-muted)}.crumbs a{color:var(--color-text-secondary);text-decoration:none}.crumbs a:hover{color:var(--color-accent)}.crumbs span[aria-current]{color:var(--color-text-secondary)}.blog__head h1{margin-top:1.5rem;font-size:clamp(3rem,5vw + 1rem,5.5rem);max-width:16ch;line-height:.95}.blog__answer{margin:2.5rem 0 4rem;padding:1.75rem;max-width:52rem;border-left:4px solid var(--color-primary);border-radius:0 var(--radius-lg) var(--radius-lg) 0;background:var(--color-surface-solid)}.blog__answer h2{font-size:clamp(1.7rem,2.6vw,2.3rem);line-height:1.05}.blog__answer p{margin-top:1rem;font-size:1.1rem;color:var(--color-text-secondary)}.blog__list h2{font-size:clamp(2rem,3vw,2.8rem);margin-bottom:1.5rem}.article__wrap{max-width:800px}.article__head{margin-top:1.5rem}.article__section{color:var(--color-primary);font-weight:650;font-size:.95rem}.article__head h1{margin-top:.5rem;font-size:clamp(2.8rem,4.4vw + 1rem,4.8rem);line-height:.97}.article__meta{margin-top:1.25rem;font-size:.92rem;color:var(--color-text-muted)}.article__meta a{color:var(--color-text-secondary)}.article__figure{margin:2rem 0}.article__figure img{width:100%;height:auto}.article__figure img,.article__summary,.article__toc{border-radius:var(--radius-lg);border:1px solid var(--color-border-solid)}.article__summary,.article__toc{margin:2rem 0;padding:1.5rem 1.75rem;background:var(--color-surface-solid)}.article__summary{border-left:4px solid var(--color-primary)}.article__summary h2,.article__toc h2{font-size:1.6rem;letter-spacing:.04em}.article__summary ul,.article__toc ol{margin-top:.75rem;padding-left:1.2rem;display:grid;grid-gap:0;gap:0}.article__summary li::marker{color:var(--color-primary)}.article__toc a{color:var(--color-text-secondary);text-decoration:none;display:block;padding:.45rem 0}.article__toc a:hover{color:var(--color-accent);text-decoration:underline}.article__body{font-size:1.12rem;line-height:1.75}.article__body>*+*,.article__part>*+*{margin-top:1.25rem}.article__body h2{margin-top:3.5rem;font-size:clamp(2.1rem,3vw,2.9rem);line-height:1;scroll-margin-top:90px}.article__body h3{margin-top:2.25rem;font-size:1.7rem;letter-spacing:.03em}.article__body li,.article__body p{color:#d5d8de}.article__body strong{color:var(--color-text-primary)}.article__body a{color:var(--color-accent);text-underline-offset:3px}.article__body ol,.article__body ul{padding-left:1.3rem;display:grid;grid-gap:.5rem;gap:.5rem}.article__body li::marker{color:var(--color-primary)}.article__body blockquote{padding:1.25rem 1.5rem;border-left:4px solid var(--color-accent);background:rgba(244,169,140,.08);border-radius:0 var(--radius-md) var(--radius-md) 0}.article__body .formula{padding:1.1rem 1.4rem;border-radius:var(--radius-md);background:var(--paper);color:var(--ink);font-family:var(--font-mono);font-size:.98rem;line-height:1.6}.article__body .table-wrap{overflow-x:auto;border:1px solid var(--color-border-solid);border-radius:var(--radius-md)}.article__body table{width:100%;border-collapse:collapse;font-size:.95rem;line-height:1.45}.article__body caption{text-align:left;padding:.9rem 1rem .5rem;font-weight:650;color:var(--color-text-primary)}.article__body td,.article__body th{padding:.7rem 1rem;text-align:left;vertical-align:top;border-top:1px solid var(--color-border)}.article__body thead th{color:var(--color-text-muted);font-size:.82rem;font-weight:600}.article__body tbody th{color:var(--color-text-primary);font-weight:600}.article__body td.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.article__body .wa-banner{margin:3rem 0}.article__faq{margin-top:4rem}.article__faq>h2{font-size:clamp(2.1rem,3vw,2.9rem);margin-bottom:.75rem;scroll-margin-top:90px}.article__faq summary h3{font:inherit;letter-spacing:normal;line-height:1.4}.article__related{margin-top:2rem;padding:4rem 0 0;border-top:1px solid var(--color-border)}.article__related h2{font-size:clamp(2rem,3vw,2.6rem);margin-bottom:1.5rem}@media (min-width:900px){.article__related .post-cards{grid-template-columns:repeat(2,1fr)}}.article__body .wa-banner__btn{color:#0b2b1a;text-decoration:none}.article__body .wa-banner p{color:inherit}@media (max-width:640px){.article__body table{min-width:600px}}