.net-hero{padding:48px 0 12px}
.net-hero h1{font-size:clamp(28px,3.2vw,40px);line-height:1.3;letter-spacing:-.8px;font-weight:600;margin:12px 0 14px}
.net-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:24px;border:1px solid var(--line);background:var(--surface)}.net-stats .stat{border-bottom:0!important;border-right:1px solid var(--line)!important}.net-stats .stat:last-child{border-right:0!important}
.net-controls-panel{padding-top:18px}
.net-controls{align-items:end}
.small-btn{padding:6px 12px;font-size:12.5px}
.preset-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:4px 2px 0}
.preset-row .chip{font-size:12.5px;padding:5px 12px}
.net-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:14px;align-items:start;padding-top:10px}
.net-graph-panel{position:sticky;top:76px}
.net-graph-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.net-graph-head h3{margin:0}
.net-tools{display:flex;gap:8px}
.net-hint{margin:8px 0 10px}
.graph-wrap{position:relative;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  background:radial-gradient(circle at 1px 1px,var(--line) 1px,transparent 0) 0 0/22px 22px,var(--paper)}
#graph{display:block;width:100%;height:680px;cursor:grab}
#graph:active{cursor:grabbing}
.graph-tooltip{position:absolute;pointer-events:none;background:var(--surface);border:1px solid var(--line-strong);color:var(--ink);
  border-radius:10px;padding:8px 11px;font-size:12.5px;line-height:1.6;max-width:280px;z-index:5;box-shadow:var(--shadow)}
.net-legend{margin-top:12px}
.selected-info{margin-top:12px;border:1px dashed var(--line-strong);border-radius:6px;padding:12px 14px;color:var(--muted);
  font-size:13.5px;line-height:1.7;background:var(--surface-2)}
.selected-info b{color:var(--ink)}
.net-results-panel{max-height:calc(100vh - 96px);display:flex;flex-direction:column;position:sticky;top:76px}
.net-results-panel h3{margin:0 0 10px}
.breakdown{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.breakdown .bd{font-size:11.5px;border:1px solid var(--line);border-radius:999px;padding:3px 9px;color:var(--muted)}
.breakdown .bd b{color:var(--ink)}
.net-results{overflow:auto;display:grid;gap:10px;padding-right:4px}
.net-item{border:1px solid var(--line);border-radius:6px;padding:12px 13px;background:var(--paper)}
.net-item:hover{border-color:var(--line-strong)}
.net-item h4{margin:6px 0 5px;font-size:14.5px;line-height:1.55}
.net-item h4 a{color:var(--ink);text-decoration:none}
.net-item h4 a:hover{color:var(--accent-text);text-decoration:underline}
.net-item p{margin:0;color:var(--muted);font-size:12.8px;line-height:1.65}
.net-item .card-foot{margin-top:9px}
.db-group{margin-bottom:22px}
.db-group h3{margin:0 0 10px;font-size:17px;color:var(--accent-text)}
.db-table{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.db-cell{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:14px}
.db-cell h4{margin:0 0 5px;font-size:15.5px}
.db-cell p{margin:0 0 10px;color:var(--muted);font-size:12.8px;line-height:1.65;min-height:42px}
.db-actions{display:flex;gap:8px;flex-wrap:wrap}
.db-actions .btn{padding:6px 12px;font-size:12.5px}
@media (max-width:1080px){
  .net-stats .stat{border-right:0!important;border-bottom:1px solid var(--line)!important}
  .net-layout{grid-template-columns:1fr}
  .net-graph-panel,.net-results-panel{position:static;max-height:none}
  .net-stats{grid-template-columns:repeat(2,1fr)}
  .db-table{grid-template-columns:repeat(2,1fr)}
  #graph{height:560px}
}
@media (max-width:640px){
  .net-stats,.db-table{grid-template-columns:1fr}
  .net-hero h1{font-size:29px}
  #graph{height:480px}
}

/* 合并站点共享导航位于工具栏上方。 */
.topbar{position:static}
.network-skip{position:fixed;left:12px;top:-100px;z-index:9999;background:var(--accent);color:var(--accent-ink);padding:12px 18px}
.network-skip:focus{top:12px}
.net-graph-head h2,.net-results-panel h2{margin:0;font-size:18px}
.net-results-panel h2{margin-bottom:10px;line-height:1.5}
.net-graph-panel,.net-results-panel{top:86px}
.node-picker{min-width:180px;max-width:100%}
.node-picker select{max-width:280px;width:100%}
#graph{touch-action:none}
.graph-tooltip{max-width:min(280px,calc(100% - 16px))}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.card-top{flex-wrap:wrap}
.net-controls{display:flex;flex-wrap:wrap}
.net-controls>*{min-width:0}
@media(max-width:1080px){.net-graph-panel,.net-results-panel{position:static}}
@media(max-width:640px){.net-graph-head{align-items:flex-start;flex-wrap:wrap}.net-tools{flex-wrap:wrap}.node-picker,.node-picker select{max-width:100%;width:100%}.net-hero{padding-top:24px}.net-item h4{overflow-wrap:anywhere}}