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.partner-link{border:none;gap:12px;margin-block:0;padding:14px 0}.site-sidebar .partner-link-thumb{width:56px;height:56px}h1,h2,h3,h4{letter-spacing:0;line-height:1.5}main:not(.main-full) h1{border-bottom:1px solid var(--color-border);margin:0 0 20px;padding-bottom:14px;font-size:1.75rem}main:not(.main-full) h2{background:var(--color-bg-soft);border:none;border-radius:0;margin:44px 0 20px;padding:12px 16px;font-size:1.25rem}main:not(.main-full) h3{border-left:5px solid var(--color-border-strong);margin:32px 0 14px;padding:0 0 0 12px;font-size:1.125rem}main:not(.main-full) h2+p,main:not(.main-full) h3+p{margin-top:0}a:hover{opacity:1;color:var(--color-link-hover);text-decoration:underline}.btn,.shop-btn,.btn-quiet,.shop-btn.is-quiet{border-radius:var(--radius-sm)}.article-card-thumb,.hero-banner{border-radius:var(--radius-card)}.toc{border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fafafa;padding:16px 20px}.toc-title{margin:0 0 8px;font-size:1rem;font-weight:700}main:not(.main-full) table{border-collapse:collapse}main:not(.main-full) table th,main:not(.main-full) table td{border:1px solid var(--color-border)}main:not(.main-full) table th{background:var(--color-bg-soft)}.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:none}@supports (backdrop-filter:blur(1px)){.site-header{background:var(--color-surface);-webkit-backdrop-filter:none}}.affiliate-notice{background:var(--color-bg-alt)}main:not(.main-full) .prose table{-webkit-overflow-scrolling:touch;width:100%;max-width:100%;display:block;overflow-x:auto}main:not(.main-full) .prose table th,main:not(.main-full) .prose table td{white-space:normal}@media (width<=640px){.buybar-mobile .shop-btn{background:var(--color-btn-bg);min-width:92px;color:var(--color-btn-fg);flex:1 1 0;padding:10px 8px}.buybar-mobile-price,.buybar-mobile-label{flex:40%;min-width:0}}.guide-hero{margin:0 0 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