.article-hero{padding:58px 0 34px;background:#fff;border-bottom:1px solid var(--line)}.article-shell{max-width:850px;margin:auto;padding:0 24px}.article-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.03;letter-spacing:-.04em;margin:16px 0}.article-hero p{font-size:19px;line-height:1.55;color:var(--muted)}.article-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px}.article-body{padding:44px 0 70px;background:#fff}.article-body h2{font-size:30px;letter-spacing:-.025em;margin:42px 0 14px}.article-body h3{font-size:21px;margin-top:28px}.article-body p,.article-body li{font-size:17px;line-height:1.7;color:#344856}.article-body ul{padding-left:24px}.article-callout{margin:30px 0;padding:22px;border-left:4px solid var(--accent);background:#f0f8f5;border-radius:0 12px 12px 0}.article-callout strong{display:block;margin-bottom:7px}.article-trade-cta{margin:42px 0;padding:28px;border-radius:16px;background:#0b1720;color:#f5fafc}.article-trade-cta p{color:#afc0ca}.article-trade-cta a{display:inline-flex;margin-top:8px;padding:12px 16px;border-radius:9px;background:#54d5a8;color:#07130e;text-decoration:none;font-weight:800}.article-back{display:inline-flex;margin-bottom:20px;color:var(--accent);text-decoration:none;font-weight:700}.article-not-found{padding:100px 24px;text-align:center}