.explore-header{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:25px}.explore-header h1{font-size:clamp(2.1rem,3.7vw,3.6rem);margin:8px 0 12px;color:#163e34}.explore-header p{margin:0;color:#54675c}.exploration-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);gap:22px;align-items:start}.map-workbench{border:1px solid #c4d3c5;background:#fafcf6;border-radius:14px;overflow:hidden;min-width:0;box-shadow:0 10px 35px #173c3010}.map-tabs{display:flex;border-bottom:1px solid #c4d3c5;background:#eff3e9}.map-tabs button{flex:1;padding:16px 10px;font:inherit;font-size:.9rem;font-weight:700;background:transparent;color:#355444;border:0;cursor:pointer}.map-tabs button[aria-pressed=true]{background:#1b493d;color:#fff}.map-tools{display:flex;flex-wrap:wrap;gap:8px;padding:14px 14px 0}.map-tools .button{font-size:.85rem;padding:11px 13px}.map-caption{font-size:.8rem;color:#455e50;line-height:1.5!important;padding:12px 16px;margin:0}.reveal-scroll{height:600px;max-height:70dvh;min-height:360px;overflow:auto;border-block:1px solid #bacfc5;background:#d8ebeb;overscroll-behavior:contain}.reveal-scroll svg{display:block;max-width:none;height:auto;min-width:100%}.map-bottom-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px}.map-bottom-tools>span{font-size:.75rem;color:#52665a}.zoom-controls{display:flex;align-items:center;gap:6px}.zoom-controls button{border:1px solid #b9cdbd;border-radius:6px;background:#fff;min-width:42px;min-height:44px;color:#244b3a;font:inherit;cursor:pointer}.zoom-controls span{min-width:50px;text-align:center;font-size:.78rem}.map-legend{display:flex;flex-wrap:wrap;gap:8px 16px;padding:8px 16px}.map-legend span{font-size:.78rem;color:#274939;display:flex;align-items:center;gap:6px}.legend-line{width:24px;border-top:4px solid #467b67}.legend-line.inferred{border-top:4px dashed #ac752c}.legend-pin{width:12px;height:12px;background:#db873c;border-radius:50%}.hypothesis-toggle{display:flex;align-items:center;gap:9px;padding:10px 16px;font-size:.83rem;cursor:pointer}.hypothesis-toggle input{width:20px;height:20px;accent-color:#285740}.map-footnote{padding:0 16px 16px;font-size:.76rem;line-height:1.6!important;color:#52665a;margin:0}.explore-sidebar{display:grid;gap:16px;min-width:0}.explore-detail,.explore-plan{border:1px solid #d4ddcd;border-radius:12px;padding:24px;background:#fff}.explore-detail{background:#edf2e6;border-top:4px solid #315c47}.explore-detail h2,.explore-plan h2{font-size:1.7rem;margin:8px 0 14px}.explore-detail p{font-size:.94rem;line-height:1.65}.explore-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px}.explore-actions a:not(.button){font-size:.86rem}.plan-title{display:flex;justify-content:space-between;align-items:center;gap:10px}.plan-title span{font-size:.84rem;color:#52665a;white-space:nowrap}.plan-help{font-size:.82rem;color:#546454;margin:8px 0 16px}.plan-empty{border:1px dashed #c3d0b9;border-radius:8px;padding:18px;margin:18px 0;line-height:1.7;background:#f8faf4;font-size:.9rem}.stop-list{list-style:none;padding:0;margin:0 0 18px;max-height:480px;overflow:auto}.stop-list li{padding:12px 0;border-bottom:1px solid #e4eade}.stop-row{display:flex;gap:10px;align-items:center}.visit-check{border:1px solid #9ab397;border-radius:50%;min-width:42px;min-height:42px;background:#fff;font:inherit;color:#2c5340;cursor:pointer}.visit-check.done{background:#1e6549;color:white}.stop-name{border:0;text-align:left;background:transparent;color:#263d31;font:inherit;font-size:.93rem;font-weight:700;padding:0;cursor:pointer}.stop-name small{display:block;font-size:.72rem;font-weight:400;line-height:1.6}.stop-controls{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 0 52px}.stop-controls button{border:0;border-radius:5px;background:#f1f4ec;color:#3b5845;padding:6px 10px;min-height:36px;cursor:pointer;font:inherit;font-size:.75rem}.stop-controls button:disabled{opacity:.3;cursor:default}.sacbe-halo{stroke:#48705b;stroke-width:15;fill:none;stroke-linecap:round}.sacbe-line{stroke:#fffbea;stroke-width:7;fill:none;stroke-linecap:round;cursor:pointer;pointer-events:stroke}.sacbe-line.relation{stroke:#a66619;stroke-width:8;stroke-dasharray:12 14}.sacbe-halo.relation{stroke:#f4d6a3;stroke-width:22;opacity:.7}.sacbe-line.chosen{stroke:#ffb44f;stroke-width:12}.explore-node{cursor:pointer;outline:none}.explore-node circle{fill:#143f34;stroke:#fff8df;stroke-width:4}.explore-node .node-hit{fill:transparent;stroke:none}.explore-node.selected circle:not(.node-hit){fill:#ad6330;stroke:#fff;stroke-width:6}.explore-node.own-mark circle:not(.node-hit){fill:#ad581e}.node-label{font:600 23px system-ui,sans-serif;fill:#11352c;paint-order:stroke;stroke:#faf9e8;stroke-width:6;stroke-linejoin:round}.node-number{font:700 20px system-ui,sans-serif;fill:#fff;stroke:none}.explore-node:focus .node-label,.explore-node:hover .node-label{fill:#a64410;stroke:#fff;stroke-width:8}.sacbe-line:focus{stroke:#ff9a16;stroke-width:15;outline:none}.terrain-label{font:600 18px system-ui,sans-serif;letter-spacing:3px;fill:#6c826f}.ancient-layer{transition:opacity .45s}.road-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.road-card{display:flex;align-items:start;flex-direction:column;text-align:left;padding:22px;border:1px solid #d3dfcb;border-radius:10px;background:#fff;color:#1f4837;cursor:pointer;font:inherit}.road-card:hover{background:#edf3e6;border-color:#7e9b79}.road-card strong{font-size:1rem;line-height:1.45;margin:10px 0}.road-card small{font-size:.78rem;font-weight:400;color:#61705b;line-height:1.6}.road-symbol{color:#38785a;font-size:1.4rem}.road-symbol.relation{color:#a66619;text-decoration:underline dotted}.map-next{display:grid;grid-template-columns:1fr 1fr;gap:30px;border-top:1px solid #d2ddca;margin-top:30px;padding:28px 0}.map-next h2{font-size:1.8rem}.mark-active{background:#9b531f!important;color:white!important}.mark-instruction{padding:10px 16px;background:#fff0d9;margin:0;font-size:.88rem}.map-workbench>#mark-center{margin:10px 16px}.roads-section .citation{margin-top:18px}
@media(min-width:1550px){.reveal-scroll{height:720px}}
@media(max-width:1150px){.exploration-layout{grid-template-columns:minmax(0,1fr)}.explore-sidebar{grid-template-columns:1fr 1fr}.reveal-scroll{height:650px}.road-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.explore-header{align-items:start;flex-direction:column;gap:14px}.explore-header h1{font-size:2.25rem}.explore-header h1 br{display:none}.explore-header p{font-size:.9rem}.explore-header>.button{font-size:.82rem}.explore-sidebar{grid-template-columns:1fr}.reveal-scroll{min-height:330px;height:520px;max-height:65dvh}.map-tabs button{font-size:.8rem;padding:14px 8px}.map-bottom-tools{flex-wrap:wrap}.map-bottom-tools>span{display:none}.road-cards{grid-template-columns:1fr}.explore-detail,.explore-plan{padding:20px}.map-next{grid-template-columns:1fr}.node-label{font-size:29px;stroke-width:8}.node-number{font-size:22px}.explore-node circle:not(.node-hit){stroke-width:5;r:18}.explore-node.selected circle:not(.node-hit){r:22}.map-caption{font-size:.8rem}.map-footnote{font-size:.78rem}.map-tools{padding:12px 10px 0}.map-tools .button{font-size:.8rem}.stop-controls button{min-height:44px}.map-legend{gap:12px}.roads-section .section-head{display:block}.roads-section .section-head h2{font-size:1.7rem}}
@media print{.exploration-layout,.map-next{display:block}.reveal-scroll{height:auto;max-height:none;overflow:visible}.map-tools,.map-tabs,.map-bottom-tools,.stop-controls,#suggest-local,.explore-actions{display:none}.explore-sidebar{display:block}.stop-list{max-height:none}.explore-plan{break-inside:avoid}}

/* Keep the working map in the first viewport. */
.explore-header h1{font-size:clamp(2rem,3vw,2.7rem);margin:6px 0 8px}.explore-header{margin-bottom:20px}.explore-node .node-label{font-size:25px}.plan-help,.stop-name small,.stop-controls button,.map-footnote,.road-card small{font-size:max(.8rem,14px)}
@media(max-width:650px){.explore-header{gap:10px}.explore-header h1{font-size:2rem}.explore-node .node-label{font-size:36px}.explore-node .node-hit{r:30}.map-legend span{font-size:14px}}