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var(--article-signal);background:#071c37;height:470px;margin:0;position:relative;overflow:hidden}.knowledge-article--longform .article-hero-media:after{content:"";background:linear-gradient(#0000 58%,#001a3c7a);position:absolute;inset:0}.knowledge-article--longform .article-hero-media img{object-fit:cover;width:100%;height:100%}.knowledge-article--longform .article-hero-media figcaption{z-index:1;color:#fff;font-size:12px;font-weight:700;position:absolute;bottom:15px;right:18px}.knowledge-article--longform .article-layout{grid-template-columns:210px minmax(0,760px);justify-content:center;gap:86px;padding-top:82px;padding-bottom:104px;display:grid}.knowledge-article--longform .article-toc{position:relative}.knowledge-article--longform .article-toc-inner{border-block:1px solid var(--line);flex-direction:column;padding:21px 0;display:flex;position:sticky;top:112px}.knowledge-article--longform .article-toc 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