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#8fc8fa80;border-radius:4px;min-width:0;min-height:54px;display:flex;overflow:hidden}.packet-header[data-astro-cid-w3uls7en],.packet-inner[data-astro-cid-w3uls7en]{flex-direction:column;justify-content:center;gap:3px;min-width:0;padding:8px 12px;display:flex}.packet-header[data-astro-cid-w3uls7en]{color:#dbeeff;background:linear-gradient(145deg,#4386c247,#4386c214);border-right:1px dashed #8fc8fa8f;width:29%}.packet-inner[data-astro-cid-w3uls7en]{background:linear-gradient(145deg,#f0c27c2b,#f0c27c0a);flex:1}.packet-header[data-astro-cid-w3uls7en]>strong[data-astro-cid-w3uls7en],.packet-inner[data-astro-cid-w3uls7en]>strong[data-astro-cid-w3uls7en]{font:600 14px/1.2 var(--mono)}.packet-sample[data-astro-cid-w3uls7en]>p[data-astro-cid-w3uls7en]{color:var(--tunnel-muted);grid-column:2;margin:0;font-size:11px;line-height:1.5}.packet-flow[data-astro-cid-w3uls7en]{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:12px 0 0;padding:0;list-style:none;display:grid}.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]{background:linear-gradient(145deg, #6897b21a, transparent 70%), var(--tunnel-panel);border:1px solid var(--tunnel-line);border-radius:5px;flex-direction:column;align-items:flex-start;min-width:0;min-height:172px;padding:13px;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;position:relative}.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]:after{z-index:1;content:"";background:var(--tunnel-blue);width:11px;height:1px;position:absolute;top:20px;right:-11px}.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]:last-child:after{display:none}.packet-flow[data-astro-cid-w3uls7en] .ownership-step[data-astro-cid-w3uls7en]{background:linear-gradient(145deg, #f0c27c24, transparent 72%), var(--tunnel-panel);border-color:#f0c27c7a}.step-label[data-astro-cid-w3uls7en]{color:var(--tunnel-blue)}.ownership-step[data-astro-cid-w3uls7en] .step-label[data-astro-cid-w3uls7en]{color:var(--tunnel-gold)}.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]>strong[data-astro-cid-w3uls7en]{margin-top:10px;font-size:14px;line-height:1.4}.packet-flow[data-astro-cid-w3uls7en] code[data-astro-cid-w3uls7en]{overflow-wrap:anywhere;color:#deecf5;max-width:100%;font:10px/1.5 var(--mono);background:#03080bc2;border:1px solid #a8c6d829;border-radius:3px;margin-top:8px;padding:4px 6px}.packet-flow[data-astro-cid-w3uls7en] p[data-astro-cid-w3uls7en]{color:var(--tunnel-muted);margin:8px 0 0;font-size:11px;line-height:1.55}.reverse-path[data-astro-cid-w3uls7en]{color:#e5edf2;border:1px solid var(--tunnel-line);background:#070d11b3;border-radius:5px;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 11px;margin-top:11px;padding:12px;font-size:11px;display:flex}.reverse-path[data-astro-cid-w3uls7en]>span[data-astro-cid-w3uls7en]{color:var(--tunnel-blue)}.reverse-path[data-astro-cid-w3uls7en] b[data-astro-cid-w3uls7en]{color:var(--tunnel-gold);font:600 15px/1 var(--mono)}.tunnel-map[data-astro-cid-w3uls7en] figcaption[data-astro-cid-w3uls7en]{color:var(--tunnel-muted);margin-top:12px;font-size:12px;line-height:1.6}@media (hover:hover){.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]:hover{border-color:#8fc8fa99;transform:translateY(-3px);box-shadow:0 13px 28px #0000003d}}@keyframes tunnel-pulse{50%{opacity:.58;box-shadow:0 0 3px #8fc8fa59}}@media (width<=760px){.packet-flow[data-astro-cid-w3uls7en]{grid-template-columns:repeat(2,minmax(0,1fr))}.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]:nth-child(2):after{display:none}}@media (width<=540px){.map-header[data-astro-cid-w3uls7en]{flex-wrap:wrap;align-items:flex-start}.map-header[data-astro-cid-w3uls7en]>div[data-astro-cid-w3uls7en]{flex:calc(100% - 52px)}.map-stamp[data-astro-cid-w3uls7en]{margin-left:50px}.packet-sample[data-astro-cid-w3uls7en]{grid-template-columns:minmax(0,1fr);gap:9px;padding:12px}.packet-sample[data-astro-cid-w3uls7en]>p[data-astro-cid-w3uls7en]{grid-column:1}.packet-header[data-astro-cid-w3uls7en]{width:34%;padding-inline:8px}.packet-header[data-astro-cid-w3uls7en]>span[data-astro-cid-w3uls7en],.packet-inner[data-astro-cid-w3uls7en]>span[data-astro-cid-w3uls7en]{letter-spacing:.03em;font-size:8px}.packet-flow[data-astro-cid-w3uls7en]{grid-template-columns:minmax(0,1fr)}.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]{min-height:unset}.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]:after,.packet-flow[data-astro-cid-w3uls7en]>li[data-astro-cid-w3uls7en]:nth-child(2):after{width:1px;height:11px;display:block;top:auto;bottom:-11px;right:50%}.reverse-path[data-astro-cid-w3uls7en]{justify-content:flex-start}}@media 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