/* ── Article page styles ─────────────────────────────────────── */
.article-hero { padding: calc(68px + 36px) 0 40px; border-bottom: 1px solid var(--surface-border); position: relative; overflow: hidden; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(11,95,255,0.05) 0%, transparent 65%); pointer-events: none; }
.article-breadcrumb { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 20px; }
.article-breadcrumb a { color: var(--text-muted); text-decoration: none; transition: color var(--trans); }
.article-breadcrumb a:hover { color: var(--accent-color); }
.article-breadcrumb svg { width: 10px; height: 10px; stroke: currentColor; fill: none; stroke-width: 2; opacity: 0.4; }
.article-header-grid { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.article-title { font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; line-height: 1.1; letter-spacing: 0.01em; margin: 14px 0 16px; }
.article-meta-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.article-meta-item { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
.article-meta-item svg { width: 11px; height: 11px; stroke: currentColor; fill: none; stroke-width: 2; opacity: 0.6; }
.article-meta-sep { color: var(--text-muted); opacity: 0.3; }
.article-intro { font-size: 1.05rem; font-weight: 300; color: var(--text-dim); line-height: 1.75; border-left: 2px solid var(--accent-color); padding-left: 16px; }
.article-info-box { background: var(--secondary-bg); border: 1px solid var(--surface-border); border-radius: var(--radius-lg); padding: 20px 22px; position: sticky; top: calc(68px + 16px); }
.info-box-title { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); border-bottom: 1px solid var(--surface-border); padding-bottom: 10px; margin-bottom: 14px; display: flex; align-items: center; gap: 7px; }
.info-box-title svg { width: 12px; height: 12px; stroke: var(--accent-dim); fill: none; stroke-width: 2; }
.toc-list { display: flex; flex-direction: column; gap: 2px; }
.toc-link { font-family: var(--font-body); font-size: 0.82rem; color: var(--text-dim); text-decoration: none; padding: 6px 8px; border-radius: var(--radius-sm); transition: color var(--trans), background var(--trans); display: flex; align-items: center; gap: 8px; border-left: 2px solid transparent; line-height: 1.3; }
.toc-link:hover { color: var(--accent-color); background: rgba(11,95,255,0.05); border-left-color: rgba(11,95,255,0.3); }
.toc-link.active { color: var(--accent-color); border-left-color: var(--accent-color); }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; padding: 48px 0 var(--section-gap); }
.article-body { min-width: 0; }
.article-body h2 { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; letter-spacing: 0.01em; line-height: 1.2; margin: 40px 0 14px; padding-top: 8px; border-top: 1px solid var(--surface-border); scroll-margin-top: calc(68px + 20px); }
.article-body h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.article-body h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; margin: 28px 0 10px; scroll-margin-top: calc(68px + 20px); }
.article-body p { font-size: 0.95rem; color: var(--text-dim); line-height: 1.8; margin-bottom: 16px; }
.article-body strong { color: var(--text-color); font-weight: 600; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 0; display: flex; flex-direction: column; gap: 8px; list-style: none; }
.article-body ul li, .article-body ol li { font-size: 0.93rem; color: var(--text-dim); line-height: 1.7; padding-left: 20px; position: relative; }
.article-body ul li::before { content: '›'; position: absolute; left: 0; color: var(--accent-color); font-weight: 700; font-size: 1rem; }
.article-body ol { counter-reset: ol-counter; }
.article-body ol li { counter-increment: ol-counter; }
.article-body ol li::before { content: counter(ol-counter) '.'; position: absolute; left: 0; font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-dim); font-weight: 500; top: 3px; }
.article-body blockquote { background: linear-gradient(135deg, rgba(11,95,255,0.05), rgba(11,95,255,0.03)); border-left: 3px solid var(--accent-color); border-radius: 0 var(--radius) var(--radius) 0; padding: 18px 20px; margin: 24px 0; }
.article-body blockquote p { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; color: var(--text-color); line-height: 1.5; margin: 0; font-style: italic; }
.callout { background: rgba(11,95,255,0.06); border: 1px solid rgba(11,95,255,0.2); border-radius: var(--radius); padding: 16px 18px; margin: 24px 0; display: flex; gap: 12px; align-items: flex-start; }
.callout-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.callout-text { font-size: 0.88rem; color: var(--text-dim); line-height: 1.65; }
.callout-text strong { color: var(--accent-color); }
.callout.callout-warning { background: rgba(217,119,6,0.06); border-color: rgba(217,119,6,0.25); }
.callout.callout-warning .callout-text strong { color: #d97706; }
.callout.callout-danger { background: rgba(220,38,38,0.06); border-color: rgba(220,38,38,0.25); }
.callout.callout-danger .callout-text strong { color: #dc2626; }
.key-points { background: var(--secondary-bg); border: 1px solid var(--surface-border); border-radius: var(--radius-lg); padding: 20px 22px; margin: 28px 0; position: relative; overflow: hidden; }
.key-points::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 2px; background: var(--grad-main); }
.key-points-title { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-dim); margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.key-points-title::before { content: ''; width: 18px; height: 2px; background: var(--orange); display: inline-block; opacity: 1; }
.key-points ul { margin: 0; }
.article-divider { border: none; border-top: 1px solid var(--surface-border); margin: 36px 0; }
.article-sidebar { display: flex; flex-direction: column; gap: 16px; }
.report-widget { background: linear-gradient(135deg, rgba(220,38,38,0.07), rgba(239,68,68,0.04)); border: 1px solid rgba(220,38,38,0.25); border-radius: var(--radius-lg); padding: 20px 22px; position: relative; overflow: hidden; }
.report-widget::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, #dc2626, #d97706); }
.report-widget-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.report-widget-desc { font-size: 0.8rem; color: var(--text-dim); line-height: 1.55; margin-bottom: 14px; }
.report-widget-btns { display: flex; flex-direction: column; gap: 8px; }
.share-widget { background: var(--secondary-bg); border: 1px solid var(--surface-border); border-radius: var(--radius-lg); padding: 18px 20px; }
.share-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
.share-btn { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 6px 12px; border-radius: 100px; border: 1px solid var(--surface-border); color: var(--text-muted); text-decoration: none; transition: all var(--trans); cursor: pointer; background: none; }
.share-btn:hover { border-color: var(--accent-dim); color: var(--accent-color); background: rgba(11,95,255,0.05); }
.related-section { padding: 48px 0 var(--section-gap); border-top: 1px solid var(--surface-border); }
@media (max-width: 900px) {
  .article-header-grid { grid-template-columns: 1fr; gap: 24px; }
  .article-info-box { position: static; }
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar { flex-direction: row; flex-wrap: wrap; }
  .article-sidebar > * { flex: 1; min-width: 240px; }
}
@media (max-width: 600px) {
  .article-title { font-size: 1.7rem; }
  .article-body h2 { font-size: 1.3rem; }
}