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10px;font-size:1.2rem;background:var(--surface-muted-alt);border:none}.sidebar-block__body{padding:16px;border-top:1px solid var(--border-muted)}.sidebar-block__title{display:inline-flex;align-items:center;gap:8px}.sidebar-block__icon{width:18px;height:18px;color:var(--accent);flex-shrink:0}.sidebar-block--collapsible .sidebar-block__toggle{width:100%;margin:0;text-align:left;display:flex;align-items:center;justify-content:space-between;cursor:pointer;color:var(--text-strong)}.sidebar-block--collapsible .sidebar-block__toggle:after{content:"+";font-size:1.4rem;line-height:1}.sidebar-block--collapsible .sidebar-block__body{display:none}.sidebar-block--collapsible.is-open .sidebar-block__toggle:after{content:"-"}.sidebar-block--collapsible.is-open .sidebar-block__body{display:block}@media(min-width:768px){.sidebar-block--collapsible .sidebar-block__body{display:block}.sidebar-block--collapsible .sidebar-block__toggle{cursor:default}.sidebar-block--collapsible 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var(--border-neutral);background:var(--surface-overlay-strong)}.word-example__content{margin-top:0;margin-bottom:10px}.word-example__source{font-style:italic;color:var(--text-disabled)}.article-content img{display:block;max-width:100%;height:auto;margin:16px 0}.article-content .yellow-bg,.article-content .white-bg,.article-content .grey-bg{padding:4px 10px;border-radius:4px}.article-content .colors li{margin-bottom:10px}.article-content .yellow-bg{background:var(--surface-highlight-yellow)}.article-content .white-bg{background:var(--surface-highlight-white);border:1px solid var(--border-neutral-strong)}.article-content .grey-bg{background:var(--surface-highlight-grey);color:var(--text-on-highlight)}