.knowledge-graph-card{margin-top:24px;overflow:hidden;border:1px solid #dfe1da;border-radius:16px;background:radial-gradient(circle at 50% 46%,rgba(35,105,87,.07),transparent 34%),#fff;box-shadow:0 1px 2px rgba(28,33,27,.04),0 14px 38px rgba(28,33,27,.05)}.knowledge-graph-card>header{padding:22px 24px 16px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.knowledge-graph-card>header span{display:flex;align-items:center;gap:7px;color:#3d7566;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.knowledge-graph-card h2{margin:8px 0 4px;font:400 21px/1.3 Georgia,Songti SC,serif}.knowledge-graph-card p{margin:0;color:#70756e;font-size:12px}.graph-legend{flex:0 0 auto;display:flex;align-items:center;gap:7px;color:#777d76;font-size:11px}.graph-legend i{width:8px;height:8px;margin-left:8px;border-radius:50%}.graph-legend i.person{background:#c96849}.graph-legend i.organization{background:#2b7563}.graph-legend i.topic{background:#5b72a4}.knowledge-graph-scroll{overflow-x:auto;border-top:1px solid #eeeeea}.knowledge-graph-stage{position:relative;min-width:760px;height:410px}.knowledge-graph-stage svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.knowledge-graph-stage line{stroke:#b9c0b9;vector-effect:non-scaling-stroke;transition:stroke .18s ease,opacity .18s ease,stroke-width .18s ease}.knowledge-graph-stage line.highlighted{stroke:#236957;opacity:1}.knowledge-graph-stage line.dimmed{opacity:.14}.graph-node{position:absolute;z-index:1;transform:translate(-50%,-50%);padding:7px;border:1px solid;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:rgba(255,255,255,.94);box-shadow:0 5px 18px rgba(30,36,30,.09);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.graph-node:hover{z-index:2;transform:translate(-50%,-50%) scale(1.08);box-shadow:0 8px 25px rgba(30,36,30,.14)}.graph-node strong{max-width:100%;overflow:hidden;line-height:1.15;text-align:center;text-overflow:ellipsis;white-space:nowrap}.graph-node small{opacity:.68;font-size:9px}@media (max-width:700px){.knowledge-graph-card>header{padding:18px;align-items:flex-start;flex-direction:column;gap:12px}.graph-legend{flex-wrap:wrap}.knowledge-graph-stage{height:360px}}.graph-header-actions{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:12px}.graph-fullscreen-button{min-height:36px;padding:0 11px;border:1px solid #d8dad3;border-radius:9px;display:inline-flex;align-items:center;gap:6px;color:#4d554f;background:white;font-size:11px;cursor:pointer}.knowledge-graph-card.fullscreen{position:fixed;z-index:250;inset:0;margin:0;border:0;border-radius:0;display:flex;flex-direction:column}.knowledge-graph-card.fullscreen .knowledge-graph-scroll{flex:1 1}.knowledge-graph-card.fullscreen .knowledge-graph-stage{height:calc(100vh - 145px);min-height:560px}.graph-node{width:150px;height:72px;padding:0;border:0;border-radius:0;display:block;background:transparent;box-shadow:none;transition:none}.graph-node:hover{transform:translate(-50%,-50%);box-shadow:none}.graph-node-dot{position:absolute;left:50%;top:50%;border:1px solid;border-radius:50%;display:block;background:currentColor;box-shadow:0 0 0 3px rgba(255,255,255,.96),0 5px 18px rgba(30,36,30,.16);transform:translate(-50%,-50%);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}.graph-node:hover .graph-node-dot{transform:translate(-50%,-50%) scale(1.22);box-shadow:0 0 0 4px rgba(255,255,255,.98),0 8px 25px rgba(30,36,30,.22);filter:brightness(1.08)}.graph-node strong{position:absolute;left:0;top:calc(50% + 15px);width:100%;max-width:none;font-size:11px;line-height:1.25}.graph-node.selected .graph-node-dot{transform:translate(-50%,-50%) scale(1.18);box-shadow:0 0 0 4px #fff,0 0 0 7px currentColor,0 10px 28px rgba(30,36,30,.22)}.graph-node.selected strong{font-weight:800}@media (max-width:700px){.graph-header-actions{width:100%;align-items:flex-start}.graph-fullscreen-button{align-self:flex-end}.knowledge-graph-card.fullscreen .knowledge-graph-stage{height:calc(100svh - 220px)}}