/* Scoped static technical comparison. Original manufacturer photos; ADEO vector diagrams. */
.network-visual-guide{margin:30px 0 45px;scroll-margin-top:120px;--nvg-pe:#258363;--nvg-n:#2575ad}
.nvg-intro{padding:29px;background:#102b37;color:#fff;border-top:4px solid var(--yellow)}
.nvg-intro>.number{font-size:10px;letter-spacing:1px;color:var(--yellow);font-weight:700}
.nvg-intro h2{font-size:clamp(25px,3vw,34px);line-height:1.25;letter-spacing:-.8px;margin:14px 0}
.nvg-intro>p{font-size:15px;line-height:1.85;color:#d1dfe1;margin:0;max-width:760px}
.network-visual-guide .nvg-jumps{position:static;inset:auto;display:flex;flex-wrap:wrap;gap:8px;margin:23px 0 0;width:auto;padding:0;font-size:12px}
.nvg-jumps a{background:#ffffff0d;border:1px solid #6f858c;padding:9px 13px;min-height:40px;display:inline-flex;align-items:center;color:#fff;line-height:1.5}
.nvg-jumps a:hover{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.nvg-legend{display:flex;flex-wrap:wrap;gap:14px 20px;padding:18px 0;font-size:11px;color:#536a72;line-height:1.5}
.nvg-legend>span{display:flex;align-items:center;gap:8px}.nvg-legend i{width:20px;height:3px;background:var(--navy);display:block}
.nvg-legend .nvg-key-neutral{background:var(--nvg-n)}.nvg-legend .nvg-key-pe{background:var(--nvg-pe)}.nvg-legend .nvg-key-resistor{height:9px;background:var(--yellow);border:1px solid #8d6c0b}
.nvg-comparison{margin:8px 0 30px;scroll-margin-top:120px}.nvg-comparison>h3{font-size:24px;letter-spacing:-.5px;margin:0 0 10px}.nvg-table-hint{font-size:12px;color:#5d7077;line-height:1.6;margin:0 0 12px}
.nvg-table-scroll{overflow:auto;border:1px solid #d9e1dc;border-top:3px solid var(--yellow)}
.nvg-table-scroll table{border-collapse:collapse;text-align:left;background:#fff;width:100%;min-width:790px;font-size:12px;line-height:1.75}
.nvg-table-scroll caption{text-align:left;padding:15px 17px;background:#eef3ee;font-size:13px;font-weight:700}
.nvg-table-scroll :is(th,td){padding:13px 14px;border:1px solid #e0e7e2;vertical-align:top}.nvg-table-scroll thead th{background:var(--navy);color:#fff;font-weight:600}
.nvg-table-scroll tbody th{background:#f2f5ef;white-space:nowrap;min-width:70px}.nvg-table-scroll tbody th a{text-decoration:underline;text-underline-offset:4px}
.nvg-case{background:#fff;border:1px solid #d6e1dc;border-top:3px solid var(--yellow);padding:25px;margin:22px 0;scroll-margin-top:120px;min-width:0}
.nvg-case-heading{display:flex;align-items:center;gap:17px}.nvg-case-number{font-size:28px;line-height:1;font-weight:700;color:#9aaaab;border-right:1px solid #d8e1dd;padding-right:17px}
.nvg-code{font-size:10px;letter-spacing:1.1px;font-weight:700;color:#657a7d}.nvg-case h3{font-size:24px;line-height:1.3;letter-spacing:-.6px;margin:5px 0 0}
.nvg-case-intro{font-size:14px;line-height:1.85;color:#526b74;margin:18px 0}
.nvg-principle{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:23px;align-items:center;background:#f6f8f4;border:1px solid #e1e7df;padding:18px}
.nvg-diagram{margin:0;min-width:0}.nvg-diagram-labels{display:flex;justify-content:space-between;gap:20px;font-size:11px;font-weight:700;padding:0 6px;color:#38535f}
.nvg-diagram svg{width:100%;height:auto;display:block;overflow:visible}.nvg-diagram figcaption{font-size:10px;line-height:1.7;color:#61757b;margin:7px 0 0}
.nvg-equipment{fill:#fff;stroke:#9bafb2;stroke-width:2}.nvg-source-symbol{fill:#244654;font-size:34px;text-anchor:middle;font-weight:500}.nvg-motor{stroke:#adc0bf;stroke-width:2;fill:#f5f8f3}.nvg-motor-label{fill:#4b6870;text-anchor:middle;font-size:26px}
.nvg-live{fill:none;stroke:#243f4d;stroke-width:3}.nvg-neutral{fill:none;stroke:var(--nvg-n);stroke-width:3}.nvg-neutral-node{fill:var(--nvg-n)}.nvg-pe{fill:none;stroke:var(--nvg-pe);stroke-width:3;stroke-linecap:round}
.nvg-wire-label{fill:#4a626c;font-size:26px;font-weight:600}.nvg-neutral-label{fill:var(--nvg-n);font-size:26px;font-weight:600}.nvg-pe-label{fill:var(--nvg-pe);font-size:26px;font-weight:600}
.nvg-resistor{fill:var(--yellow);stroke:#94700c;stroke-width:2}.nvg-impedance{fill:#fff;stroke:#8d9fa2;stroke-width:2;stroke-dasharray:5 4}.nvg-optional{fill:none;stroke:#8d9fa2;stroke-width:2;stroke-dasharray:5 4}
.nvg-device-label{fill:#795d0b;font-size:27px;font-weight:700}.nvg-soil{fill:#dfe7da}.nvg-body-mark{fill:none;stroke:#7c999f;stroke-width:2}
.nvg-reading>div+div{border-top:1px solid #d9e2da;padding-top:14px;margin-top:14px}.nvg-reading span{font-size:10px;letter-spacing:.6px;font-weight:700;text-transform:uppercase;color:#62797c}.nvg-reading p{font-size:12px;line-height:1.8;margin:7px 0 0;color:#385460}
.nvg-case-notes{padding:0 0 14px;border-bottom:1px solid #e0e7e0}.nvg-case-notes p{font-size:11px;line-height:1.8;color:#66797e;margin:13px 0 0}
.nvg-models-heading{font-size:16px;line-height:1.5;margin:21px 0 8px}.nvg-model-context{font-size:12px;line-height:1.8;color:#607780;margin:0 0 17px}
.nvg-models{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.nvg-model{min-width:0;border:1px solid #dce5df;background:#fff;transition:border-color .15s}.nvg-model:hover{border-color:#9aab9e}
.nvg-model>a{display:flex;flex-direction:column;height:100%}.nvg-model-image{height:145px;padding:17px;background:#fff;border-bottom:1px solid #e8ede7}.nvg-model-image img{display:block;width:100%;height:100%;object-fit:contain}
.nvg-model-copy{padding:18px;display:flex;flex-direction:column;flex:1}.nvg-role{font-size:10px;font-weight:700;color:#6c7e7e;line-height:1.7}.nvg-model h4{font-size:18px;line-height:1.4;letter-spacing:-.4px;margin:9px 0}
.nvg-model p{font-size:12px;line-height:1.85;color:#49636e;margin:0 0 12px}.nvg-model small{font-size:10px;line-height:1.8;display:block;color:#6a797a;border-top:1px solid #e4e9e1;padding-top:11px;margin:0 0 16px}
.nvg-model-link{display:flex;justify-content:space-between;gap:12px;font-size:11px;font-weight:700;line-height:1.7;margin-top:auto}.nvg-model-link>span{color:#956b00}
.nvg-distributor{background:#102b37;color:#fff;border-top:3px solid var(--yellow);padding:27px;margin:30px 0 20px}.nvg-distributor .number{color:var(--yellow);letter-spacing:.9px;font-size:10px;font-weight:700}
.nvg-distributor h3{font-size:25px;line-height:1.3;margin:13px 0}.nvg-distributor p{font-size:14px;line-height:1.85;color:#c6d8d9;margin:0 0 21px}.nvg-distributor .button{font-size:12px;padding:13px 17px;min-height:44px}
.nvg-footnotes p{font-size:11px;line-height:1.85;color:#657a7e;margin:10px 0}.nvg-sources{margin:17px 0 0;border-top:1px solid #d7e1da;padding:12px 0}.nvg-sources summary{font-size:12px;font-weight:700;line-height:1.7;cursor:pointer;min-height:40px;align-content:center}.nvg-sources ul{columns:2;padding-left:19px}.nvg-sources li{font-size:11px;line-height:1.8;margin:8px 0;break-inside:avoid;overflow-wrap:anywhere}.nvg-sources a{text-decoration:underline;text-underline-offset:3px}
.network-visual-guide :is(a,summary,[tabindex]):focus-visible{outline:3px solid #916700;outline-offset:4px}
@media(max-width:1100px){.nvg-principle{grid-template-columns:minmax(0,1fr)}.nvg-diagram{max-width:620px;width:100%;margin:auto}.nvg-reading{display:grid;grid-template-columns:1fr 1fr;gap:20px}.nvg-reading>div+div{border:0;padding:0;margin:0}.nvg-diagram-labels{font-size:12px}}
@media(max-width:580px){.network-visual-guide{margin-top:23px}.nvg-intro{padding:23px 20px}.nvg-intro h2{font-size:27px}.nvg-intro>p{font-size:14px}.nvg-case{padding:18px;margin:18px 0}.nvg-case h3{font-size:22px}.nvg-case-number{font-size:23px;padding-right:12px}.nvg-case-heading{gap:12px}.nvg-case-intro{font-size:13px}.nvg-principle{padding:12px;gap:17px}.nvg-reading{grid-template-columns:minmax(0,1fr);gap:13px}.nvg-reading>div+div{border-top:1px solid #d9e2da;padding-top:13px}.nvg-models{grid-template-columns:minmax(0,1fr)}.nvg-model-image{height:155px}.nvg-model-copy{padding:17px}.nvg-model h4{font-size:21px}.nvg-model p{font-size:13px}.nvg-model small{font-size:11px}.nvg-model-link{font-size:12px;min-height:30px}.nvg-case-notes p{font-size:11px}.nvg-sources ul{columns:1}.nvg-distributor{padding:23px 20px}.nvg-distributor h3{font-size:24px}.nvg-jumps a{min-height:44px}.nvg-table-scroll table{font-size:12px}.nvg-legend{gap:11px 14px}.nvg-diagram-labels{font-size:11px}}
@media(prefers-reduced-motion:reduce){.nvg-model{transition:none}}