.kb{max-width:1160px;margin:auto;padding:42px 24px 64px;font-family:system-ui,sans-serif;line-height:1.7}.kb a,.kb-footer a{color:var(--ice);text-underline-offset:4px}.kb a:hover,.kb-footer a:hover{color:var(--fire)}.kb h1,.kb h2,.kb h3{letter-spacing:-.02em;font-family:Inter,system-ui,sans-serif;line-height:1.3}.kb h1{max-width:950px;margin:10px 0 18px;font-size:clamp(30px,3.8vw,46px)}.kb h2{margin:0 0 16px;font-size:26px}.kb h3{margin:0 0 10px;font-size:23px}.kb p{margin:0 0 16px}.kb-kicker{letter-spacing:.025em;color:var(--fire);font-family:Inter,system-ui,sans-serif;font-size:12px}.kb-intro{max-width:800px;color:var(--text-soft);font-size:18px}.kb-stats{color:var(--text-dim);flex-wrap:wrap;gap:24px;margin:22px 0;font-size:14px;display:flex}.kb-stats strong{color:var(--text);font-size:22px}.kb-note{background:var(--hint-warm-bg);border-left:3px solid var(--fire);border-radius:0 8px 8px 0;max-width:900px;margin:24px 0;padding:18px 22px;font-size:14px}.kb-note p:last-child{margin-bottom:0}.kb-breadcrumb{color:var(--text-dim);flex-wrap:wrap;gap:8px;margin-bottom:24px;font-size:13px;display:flex}.kb-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.kb-card{border:1px solid var(--line);background:var(--surface);border-radius:12px;min-width:0;padding:22px}.kb-card>a{margin:8px 0 12px;font-family:Inter,system-ui,sans-serif;font-size:20px;font-weight:700;line-height:1.4;text-decoration:none;display:block}.kb-card p{color:var(--text-dim);margin-bottom:10px;font-size:15px}.kb-tag{letter-spacing:.025em;text-transform:uppercase;color:var(--text-dim);font-size:12px}.kb-count{color:var(--text-dim);font-size:13px}.kb-section{margin:40px 0;scroll-margin-top:180px}.kb-search{grid-template-columns:minmax(0,1fr) 240px;gap:16px;margin:30px 0 14px;display:grid}.kb-search label{color:var(--text-dim);margin-bottom:6px;font-size:13px;display:block}.kb input,.kb select{box-sizing:border-box;width:100%;font:inherit;background:var(--surface);border:1px solid var(--line);min-height:48px;color:var(--text);border-radius:8px;padding:10px 14px}.kb-results{color:var(--text-dim);margin-bottom:20px;font-size:13px}.kb-empty{border:1px dashed var(--line);border-radius:12px;padding:32px}.kb-cause-list{gap:12px;display:grid}.kb-cause-link{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:22px;text-decoration:none;display:block}.kb-cause-link strong{font-family:Inter,system-ui,sans-serif;font-size:21px;display:block}.kb-cause-link span{color:var(--text-dim);margin-top:6px;font-size:14px;display:block}.kb-reading{grid-template-columns:minmax(0,760px) minmax(220px,1fr);align-items:start;gap:52px;display:grid}.kb-body{font-size:16px}.kb-body section{margin:0 0 32px;scroll-margin-top:180px}.kb-body h2{margin-bottom:10px;font-size:27px}.kb-toc{border-left:1px solid var(--line);padding:0 0 0 24px;font-size:14px;position:sticky;top:160px}.kb-toc strong{margin-bottom:12px;display:block}.kb-toc a{margin:8px 0;display:block}.kb-toc small{color:var(--text-dim);margin-top:20px;display:block}.kb-related{flex-wrap:wrap;gap:10px;display:flex}.kb-pill{border:1px solid var(--line);border-radius:8px;align-items:center;min-height:44px;padding:6px 14px;font-size:14px;text-decoration:none;display:inline-flex}.kb-sources{padding-left:22px;font-size:14px}.kb-sources li{margin-bottom:18px}.kb-sources span{color:var(--text-dim);margin-top:5px;font-size:13px;display:block}.kb-footer{border-top:1px solid var(--line);max-width:1160px;color:var(--text-dim);margin:auto;padding:20px 24px 40px;font-family:system-ui,sans-serif;font-size:13px}.kb-footer p{font-size:12px}.kb-reviewed{color:var(--text-dim);margin:16px 0 24px;font-size:12px}@media (max-width:900px){.kb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kb-reading{gap:24px}.kb-toc{top:190px}}@media (max-width:650px){.kb{padding:26px 16px 44px}.kb-grid,.kb-search,.kb-reading{grid-template-columns:1fr}.kb-toc{border-left:0;border-bottom:1px solid var(--line);grid-row:1;padding:0 0 18px;position:static}.kb-toc a{margin:4px 14px 4px 0;display:inline-block}.kb-toc small{margin-top:8px}.kb-section,.kb-body section{scroll-margin-top:140px}.kb-note{padding:16px}.kb-card{padding:18px}}