.course-map{--paper:#f6f7f8;--surface:#fff;--ink:#202d35;--muted:#5c6b77;--line:#dce2e6;--soft:#edf1f4;--accent:#285b82;--prior:#32698f;--concurrent:#147b80;--exclusion:#ac4547;--recommend:#7958a0;--avoid:#98601f;--content:#65747f;--radius:10px;--space:16px;--font:Inter, "Segoe UI", "Microsoft YaHei", sans-serif;background:var(--paper);min-height:100vh;color:var(--ink);font:15px/1.65 var(--font);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;scrollbar-color:var(--muted) var(--soft);scrollbar-width:thin;padding:0 clamp(16px,3vw,52px)}.course-map[data-theme=dark]{--paper:#151c22;--surface:#1d262e;--ink:#e9eff4;--muted:#acbac6;--line:#3c4a57;--soft:#25323d;--accent:#90bfdf;--prior:#83b9e0;--concurrent:#6dc9c5;--exclusion:#f39392;--recommend:#c5a6e8;--avoid:#e3b26f;--content:#a2b5c4;--lightningcss-light: 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330px;align-items:start;gap:20px;display:grid}.course-map .exploration{min-width:0}.course-map .map-frame{background:var(--surface);border:1px solid var(--line);border-radius:14px;position:relative;overflow:hidden}.course-map .map-caption{color:var(--muted);letter-spacing:.025em;justify-content:space-between;gap:12px;padding:16px 18px 0;font-size:10px;display:flex}.course-map .network{aspect-ratio:1550/1320;touch-action:none;cursor:grab;-webkit-user-select:none;user-select:none;width:100%;display:block}.course-map .network:active{cursor:grabbing}.course-map .region rect{fill:var(--paper);stroke:var(--line);stroke-width:1px}.course-map .region text{fill:var(--muted);letter-spacing:.06em;font-size:18px;font-weight:600}.course-map .region tspan{font-size:14px;font-weight:400}.course-map .edge{fill:none;stroke:currentColor;stroke-width:1.7px;opacity:.65}.course-map .edge-hit{fill:none;stroke:#0000;stroke-width:15px;cursor:pointer}.course-map .connection:hover 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.course-node.selected rect{fill:var(--ink);stroke:var(--ink)}.course-map .course-node.selected text{fill:var(--surface)}.course-map .course-node.uncertain rect{stroke-dasharray:4 3;fill:var(--soft)}.course-map .course-node.uncertain.selected rect{fill:var(--ink)}.course-map .course-node circle{fill:var(--avoid)}.course-map .course-node.associated rect{stroke:var(--accent);stroke-dasharray:2 3}.course-map .map-controls{flex-wrap:wrap;align-items:center;gap:4px;margin:0 14px 10px;display:flex}.course-map .map-controls button{justify-content:center;align-items:center;min-width:36px;min-height:36px;padding:7px;font-size:11px;display:flex}.course-map .pan-buttons{gap:4px;margin-left:auto;display:flex}.course-map .map-footnote{color:var(--muted);padding:0 16px 15px;font-size:10px}.course-map .reading-key{color:var(--muted);align-items:start;gap:18px;padding:18px 4px;font-size:11px;display:flex}.course-map .reading-key strong{white-space:nowrap;color:var(--ink);font-weight:600}.course-map .welcome-pane,.course-map .details-pane{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}.course-map .welcome-pane h2{letter-spacing:-.025em;margin:13px 0 18px;font-size:25px;font-weight:500;line-height:1.3}.course-map .welcome-pane>p{color:var(--muted);font-size:13px}.course-map .examples{margin:28px 0}.course-map .examples button{text-align:left;border:0;border-top:1px solid var(--line);background:0 0;border-radius:0;grid-template-columns:1fr auto;gap:3px;width:100%;padding:14px 0;display:grid}.course-map .examples code{color:var(--accent);font-size:12px}.course-map .examples span{grid-column:1;font-size:11px}.course-map .examples svg{color:var(--muted);grid-area:1/2/3;align-self:center}.course-map .evidence-note{background:var(--soft);border-radius:8px;padding:16px;font-size:11px}.course-map .evidence-note p{color:var(--muted);margin-top:8px}.course-map .details-pane{max-height:calc(100vh - 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a{overflow-wrap:anywhere;align-items:center;gap:7px;font-size:11px;display:inline-flex}.course-map blockquote{color:var(--muted);border-left:2px solid var(--line);margin:12px 0 0;padding-left:12px;font-size:11px;line-height:1.7}.course-map .historical{font-size:10px}.course-map .uncertainty{background:var(--soft);border-radius:7px;margin:8px 0;padding:12px}.course-map .related-row{text-align:left;flex-wrap:wrap;align-items:center;gap:4px 8px;width:100%;margin:7px 0;display:flex}.course-map .related-row span{color:var(--muted);font-size:10px}.course-map .relationship-list{background:var(--surface);border:1px solid var(--line);border-radius:14px;max-height:850px;padding:24px;overflow:auto}.course-map .relationship-list h2{margin-bottom:18px;font-size:19px;font-weight:500}.course-map .relationship-list article{border-top:1px solid var(--line);padding:17px 0}.course-map .list-course{text-align:left;background:0 0;border:0;flex-wrap:wrap;gap:10px;width:100%;padding:4px 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rect{stroke:var(--accent);stroke-width:3px}.course-map ::-webkit-scrollbar{width:10px;height:10px}.course-map ::-webkit-scrollbar-track{background:var(--soft)}.course-map ::-webkit-scrollbar-thumb{background:var(--muted);border:2px solid var(--soft);border-radius:8px}.course-map ::-webkit-scrollbar-thumb:hover{background:var(--ink)}.course-map ::-webkit-scrollbar-thumb:active{background:var(--accent)}@media (forced-colors:active){.course-map *{scrollbar-color:auto}.course-map .course-node rect,.course-map .edge{stroke:canvastext}.course-map .course-node text{fill:canvastext}.course-map .course-node.selected rect{fill:highlight}.course-map .course-node.selected text{fill:highlighttext}}.course-map .edge-label{paint-order:stroke;stroke:var(--surface);stroke-width:4px;stroke-linejoin:round;pointer-events:none;font-size:12px}