.knowledge-network-hero .wrap{max-width:1180px}.knowledge-network-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:900px;margin:24px auto 0}.knowledge-network-stats b{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:92px;border:1px solid #e5e5e5;border-radius:16px;background:#fff;font-size:28px}.knowledge-network-stats small{margin-top:6px;color:#777;font-size:12px;font-weight:500}.knowledge-discovery{background:#fafafa}.knowledge-filter-groups{display:grid;gap:14px}.knowledge-filter-group{display:grid;grid-template-columns:90px 1fr;gap:14px;align-items:start}.knowledge-filter-group>strong{padding-top:8px}.knowledge-filter-group>div{display:flex;flex-wrap:wrap;gap:8px}.knowledge-filter-group a,.knowledge-select-filters a{display:inline-flex;align-items:center;gap:5px;padding:8px 12px;border:1px solid #ddd;border-radius:999px;background:#fff;color:#333;text-decoration:none}.knowledge-filter-group a.active{border-color:#111;background:#111;color:#fff}.knowledge-filter-group small{opacity:.7}.knowledge-select-filters{margin-top:16px}.knowledge-select-filters form{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.knowledge-select-filters select{min-width:220px;padding:11px 12px;border:1px solid #ddd;border-radius:10px;background:#fff}.knowledge-filter-result{margin-top:15px;padding:12px 14px;border-radius:10px;background:#fff;border:1px solid #e5e5e5}.knowledge-network-grid{align-items:stretch}.knowledge-network-card{display:flex;flex-direction:column}.knowledge-network-card p{flex:1}.knowledge-node-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:14px 0}.knowledge-node-stats span{padding:8px 5px;border-radius:9px;background:#f7f7f7;text-align:center;color:#666;font-size:11px}.knowledge-node-stats b{display:block;color:#111;font-size:16px}.knowledge-node-evidence{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.knowledge-node-evidence span{padding:9px 12px;border:1px solid #e3e3e3;border-radius:10px;background:#fafafa;color:#666;font-size:13px}.knowledge-node-evidence b{color:#111;font-size:18px;margin-right:4px}.knowledge-source-note p{margin:0;color:#666;line-height:1.8;font-size:14px}.knowledge-network-links .knowledge-related-grid a{position:relative}.knowledge-network-links .knowledge-related-grid a:after{content:'直接关系';position:absolute;right:14px;top:14px;font-size:10px;color:#777;background:#f4f4f4;border-radius:999px;padding:3px 7px}@media(max-width:900px){.knowledge-network-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-node-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.knowledge-filter-group{grid-template-columns:1fr}.knowledge-filter-group>strong{padding-top:0}.knowledge-select-filters form,.knowledge-select-filters select{width:100%}.knowledge-network-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-network-stats b{min-height:78px;font-size:24px}}