.history-atlas{--history-header-space:96px;color-scheme:light;--history-bg:#edf3f7;--history-surface:#fbfdfe;--history-panel:#edf4f8;--history-text:#20374a;--history-text-secondary:#345a77;--history-muted:#708a9b;--history-border:#dce5ec;--history-border-strong:#8aaabb;--history-accent:#318c99;--history-active:#2d6c89;--history-on-accent:#fff;--history-hover:#d8e8f1;--history-grid:#e5edf2;--history-grid-major:#c9d9e4;--history-scroll:#a0b6c7;--history-ocean:#f0f6f8;--history-graticule:#d7e5eb;--history-land:#dce7e9;--history-coast:#b6cbd2;--history-map-label:#819ca8;--history-extent:#528796;--history-extent-fill:#a7cbd01a;--history-point:#ae6349;--history-point-ring:#fff8ef;--history-point-label:#805842;--history-node:#ffffffde;--history-band-border:#ffffff60;--history-shadow:#15324c26;--history-note:#f8fbfcdd;--history-warning-bg:#fff8eb;--history-warning-text:#8f744d;--history-warning-border:#e9dfc9;--history-backdrop:rgba(16,37,54,.36);--history-lane-strength:100%}:root:not([data-theme=light]) .history-atlas{color-scheme:dark;--history-bg:#0b1420;--history-surface:#142232;--history-panel:#182b3e;--history-text:#dceaf6;--history-text-secondary:#b8d0e3;--history-muted:#93b2c9;--history-border:#293e53;--history-border-strong:#537895;--history-accent:#70c8d4;--history-active:#356d8b;--history-on-accent:#fff;--history-hover:#243f56;--history-grid:#1c3042;--history-grid-major:#2b455c;--history-scroll:#496b87;--history-ocean:#0f1e2d;--history-graticule:#243e53;--history-land:#243c4d;--history-coast:#4b6d80;--history-map-label:#8baabd;--history-extent:#6bafbd;--history-extent-fill:#70c8d410;--history-point:#efa780;--history-point-ring:#172a3a;--history-point-label:#f1c3a3;--history-node:#142232ed;--history-band-border:#ffffff30;--history-shadow:#00000070;--history-note:#142232dd;--history-warning-bg:#352d22;--history-warning-text:#e6c996;--history-warning-border:#665035;--history-backdrop:rgba(0,8,16,.65);--history-lane-strength:65%}@media(max-width:639px){.history-atlas{--history-header-space:80px}}.history-atlas *{box-sizing:border-box}.history-atlas{font-family:PingFang SC,Microsoft YaHei,sans-serif;margin:0;-webkit-font-smoothing:antialiased;font-size:13px}.history-atlas a,.history-atlas button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.history-atlas button{cursor:pointer}.history-atlas a{color:inherit;text-decoration:none}.history-atlas [tabindex]:focus-visible,.history-atlas a:focus-visible,.history-atlas button:focus-visible{outline:2px solid var(--history-accent);outline-offset:3px}.history-atlas ::-moz-selection{background:var(--history-hover)}.history-atlas ::selection{background:var(--history-hover)}.history-atlas .atlas-app{display:flex;flex-direction:column;height:calc(100dvh - var(--history-header-space) - 12px);margin:auto;max-width:2400px;min-height:600px;overflow:hidden;padding:0 14px}.history-atlas .atlas-header{align-items:center;border-bottom:1px solid var(--history-border);display:flex;flex-shrink:0;height:64px;justify-content:space-between;padding:0 9px}.history-atlas .atlas-brand{align-items:center;display:flex;font:600 20px Songti SC,STSong,serif;gap:11px;letter-spacing:2px}.history-atlas .brand-mark{background:var(--history-panel);border:1px solid var(--history-border-strong);color:var(--history-text-secondary);display:grid;font-size:23px;height:34px;place-items:center;width:32px}.history-atlas .atlas-brand small{display:block;font:7px Arial,sans-serif;letter-spacing:1.9px;margin-top:5px}.history-atlas .project-title{color:var(--history-muted);font-size:12px;letter-spacing:1.5px}.history-atlas .project-title>span{color:var(--history-text-secondary);font:13px Courier New,monospace;letter-spacing:1px;margin-left:23px}.history-atlas .read-guide{color:var(--history-muted)!important;font-size:11px!important;gap:7px!important}.history-atlas .atlas-toolbar{align-items:center;display:flex;flex-shrink:0;gap:20px;height:54px;padding:0 8px}.history-atlas .atlas-search{align-items:center;color:var(--history-muted);display:flex;flex:1;gap:8px;max-width:300px;min-width:160px}.history-atlas .atlas-search input{background:transparent;border:0!important;box-shadow:none!important;font-size:11px;height:32px;padding:0}.history-atlas .toolbar-filters{align-items:center;display:flex;gap:18px}.history-atlas .toolbar-filters label{align-items:center;color:var(--history-muted);cursor:pointer;display:flex;font-size:11px;gap:7px}.history-atlas .atlas-toolbar select{background:var(--history-panel);border-radius:4px;font-size:11px;height:29px}.history-atlas .toolbar-divider{background:var(--history-border);height:20px;width:1px}.history-atlas .year-navigation{align-items:center;display:flex;gap:3px}.history-atlas .year-navigation select{color:var(--history-text-secondary);font:12px Courier New,monospace;font-weight:600;min-width:90px}.history-atlas .zoom-controls{align-items:center;display:flex;gap:3px;margin-left:auto}.history-atlas .zoom-controls>span{color:var(--history-muted);font:11px Courier New,PingFang SC,monospace;text-align:center;width:76px}.history-atlas .overview-button{color:var(--history-muted)!important;font-size:10px!important;margin-left:5px}.history-atlas .map-deck{display:grid;flex-shrink:0;gap:12px;grid-template-columns:1.15fr 1fr;height:clamp(190px,25vh,280px)}.history-atlas .map-panel{background:var(--history-surface);border:1px solid var(--history-border);border-radius:5px;display:flex;flex-direction:column;min-width:0;overflow:hidden;position:relative}.history-atlas .map-title{align-items:center;display:flex;flex-shrink:0;height:36px;justify-content:space-between;padding:0 13px}.history-atlas .map-title>span{align-items:center;display:flex;font-size:11px;font-weight:600;gap:7px;letter-spacing:1px}.history-atlas .map-title small{align-items:center;color:var(--history-muted);display:flex;font:8px Courier New,monospace;gap:7px;letter-spacing:.6px}.history-atlas .map-title small i{background:var(--history-accent);border-radius:50%;height:3px;width:3px}.history-atlas .geo-map{background:var(--history-ocean);display:block;flex:1;min-height:0;width:100%}.history-atlas .graticule{fill:none;stroke:var(--history-graticule);stroke-width:.4;vector-effect:non-scaling-stroke}.history-atlas .land-mass{fill:var(--history-land);stroke:var(--history-coast);stroke-width:.6;vector-effect:non-scaling-stroke}.history-atlas .region-label{fill:var(--history-map-label);font-size:5px;letter-spacing:1px;text-anchor:middle}.history-atlas .china-extent{fill:var(--history-extent-fill);stroke:var(--history-extent);stroke-dasharray:3 3;stroke-width:1;vector-effect:non-scaling-stroke}.history-atlas .extent-label{fill:var(--history-map-label);font-size:3.5px}.history-atlas .china-region-label{fill:var(--history-map-label);font:600 4px Songti SC,serif;letter-spacing:2px}.history-atlas .sea-label{font-size:2px;letter-spacing:.6px;writing-mode:vertical-rl}.history-atlas .reference-city,.history-atlas .sea-label{fill:var(--history-map-label)}.history-atlas .reference-city text{font-size:1.65px}.history-atlas .map-point{cursor:pointer;outline:none}.history-atlas .map-point:focus .point-halo,.history-atlas .map-point:hover .point-halo{opacity:.65}.history-atlas .point-halo{fill:var(--history-point);opacity:.18}.history-atlas .point-core{fill:var(--history-point);stroke:var(--history-point-ring);stroke-width:1;vector-effect:non-scaling-stroke}.history-atlas .point-label{fill:var(--history-point-label);paint-order:stroke;pointer-events:none;stroke:var(--history-surface);stroke-linejoin:round;stroke-width:2;vector-effect:non-scaling-stroke}.history-atlas .map-bottom{align-items:center;color:var(--history-muted);display:flex;flex-shrink:0;font-size:8px;height:24px;justify-content:space-between;padding:0 12px}.history-atlas .map-bottom>span{align-items:center;display:flex;gap:5px}.history-atlas .map-bottom i{background:var(--history-point);border-radius:50%;height:4px;width:4px}.history-atlas .map-bottom a:hover{text-decoration:underline}.history-atlas .year-brief{background:var(--history-surface);border:1px solid var(--history-border);border-radius:5px;display:flex;flex-direction:column;overflow:auto;padding:17px 16px 12px}.history-atlas .section-kicker{color:var(--history-muted);font-size:8px;letter-spacing:1.5px}.history-atlas .focus-year{color:var(--history-text-secondary);font:45px/1.1 Georgia,serif;letter-spacing:-1px;margin:10px 0}.history-atlas .focus-year>span{color:var(--history-muted);font:10px PingFang SC,sans-serif;letter-spacing:0;margin-left:7px}.history-atlas .focus-description{color:var(--history-text-secondary);font-size:11px;line-height:1.8;margin:0 0 10px}.history-atlas .focus-stats{color:var(--history-muted);display:flex;font-size:9px;gap:14px}.history-atlas .focus-stats strong{color:var(--history-text-secondary);font:14px Georgia,serif}.history-atlas .focus-tip{border-top:1px solid var(--history-border);color:var(--history-muted);font-size:9px;line-height:1.9;margin:10px 0 0;padding-top:9px}.history-atlas .map-locations{align-items:center;color:var(--history-point-label);display:flex;font-size:9px;gap:4px;line-height:1.6;margin:8px 0 0}.history-atlas .map-locations svg{flex-shrink:0}.history-atlas .map-caption{align-items:center;color:var(--history-muted);display:flex;flex-shrink:0;font-size:9px;gap:10px;height:29px;justify-content:space-between;padding:0 3px}.history-atlas .map-caption>span{align-items:center;display:flex;gap:5px}.history-atlas .map-caption>span:last-child{color:var(--history-muted);letter-spacing:.5px}.history-atlas .chronology{background:var(--history-surface);border:1px solid var(--history-border);border-radius:5px;flex:1;min-height:220px;overflow:hidden}.history-atlas .canvas-scroll{height:100%;outline-offset:-3px!important;overflow:auto;overscroll-behavior-x:contain;position:relative;scrollbar-color:var(--history-scroll) var(--history-panel);scrollbar-width:thin}.history-atlas .canvas-inner{background:var(--history-surface);min-height:100%;position:relative}.history-atlas .time-ruler{background:var(--history-surface);box-shadow:0 1px 0 var(--history-border);display:grid;grid-template-columns:var(--label-width) 1fr;height:62px;position:sticky;top:0;z-index:30}.history-atlas .ruler-label{background:var(--history-panel);border-right:1px solid var(--history-border);display:flex;flex-direction:column;justify-content:center;left:0;padding:0 14px;position:sticky;z-index:35}.history-atlas .ruler-label>span{font-size:11px;font-weight:600;letter-spacing:1px}.history-atlas .ruler-label>small{color:var(--history-muted);font:8px Courier New,PingFang SC,monospace;letter-spacing:.6px;margin-top:6px}.history-atlas .ruler-track{background:var(--history-surface);cursor:crosshair;position:relative}.history-atlas .year-tick{background:transparent;border:0;height:37px;padding:0;position:absolute;top:0;transform:translate(-13px);width:26px;z-index:2}.history-atlas .year-tick:first-child{text-align:left;transform:none;width:29px}.history-atlas .year-tick>i{background:var(--history-border-strong);display:block;height:6px;left:50%;position:absolute;top:0;width:1px}.history-atlas .year-tick:first-child>i{left:0}.history-atlas .year-tick.major>i{background:var(--history-border-strong);height:12px}.history-atlas .year-tick>span{color:var(--history-muted);font:10px Courier New,monospace;left:50%;position:absolute;top:15px;transform:translate(-50%)}.history-atlas .year-tick:first-child>span{left:3px;transform:none}.history-atlas .year-tick.major>span{color:var(--history-text-secondary);font-weight:600}.history-atlas .year-tick.focused>span{background:var(--history-active);border-radius:3px;color:var(--history-on-accent);padding:3px 6px;top:12px}.history-atlas .year-tick.focused>i{background:var(--history-active);height:12px;width:2px}.history-atlas .era-ribbon{border-top:1px solid var(--history-border);height:22px;left:0;position:absolute;right:0;top:40px}.history-atlas .era-ribbon>button{background:var(--history-panel);border-right:1px solid var(--history-border);color:var(--history-muted);font-size:9px;height:21px;letter-spacing:1px;overflow:hidden;padding:0 8px;position:absolute;text-overflow:ellipsis;top:0;white-space:nowrap}.history-atlas .era-ribbon>button:hover{background:var(--history-hover);color:var(--history-text-secondary)}.history-atlas .subject-row{border-bottom:1px solid var(--history-grid);display:grid;grid-template-columns:var(--label-width) 1fr;height:108px;position:relative}.history-atlas .subject-row:last-child{border-bottom:0}.history-atlas .subject-label{background:var(--history-panel);border-right:1px solid var(--history-border);box-shadow:1px 0 0 var(--history-border);left:0;padding:13px;position:sticky;z-index:15}.history-atlas .subject-label:before{background:var(--lane-color);bottom:12px;content:"";left:0;position:absolute;top:12px;width:2px}.history-atlas .lane-index{color:color-mix(in srgb,var(--lane-color) var(--history-lane-strength),var(--history-text));display:flex;font:9px Courier New,monospace;justify-content:space-between;letter-spacing:1px}.history-atlas .lane-index small{color:var(--history-muted);font-size:8px;letter-spacing:0}.history-atlas .subject-label h2{font-size:14px;font-weight:600;letter-spacing:1px;line-height:1.4;margin:6px 0 4px}.history-atlas .subject-label p{color:var(--history-muted);font-size:9px;line-height:1.7;margin:0;max-width:140px}.history-atlas .subject-track{background-color:var(--history-surface);background-image:linear-gradient(to right,var(--history-grid) 1px,transparent 1px),linear-gradient(to right,var(--history-grid-major) 1px,transparent 1px);background-size:var(--year-width) 100%,calc(var(--year-width)*5) 100%;overflow:hidden;position:relative}.history-atlas .track-baseline{background:var(--lane-color);height:1px;left:0;opacity:.32;position:absolute;right:0;top:79px}.history-atlas .focus-line{background:var(--history-border-strong);bottom:0;opacity:.35;pointer-events:none;position:absolute;top:0;width:1px;z-index:1}.history-atlas .focus-line:before{background:var(--history-accent);content:"";height:4px;left:-2px;position:absolute;top:0;width:5px}.history-atlas .event-node{align-items:center;background:var(--history-node);border:1px solid transparent;border-radius:3px;color:var(--history-text-secondary);display:flex;font-size:10px;gap:5px;height:21px;padding:1px 4px 1px 1px;position:absolute;text-align:left;transition:background .15s,border-color .15s;z-index:5}.history-atlas .event-node>i{background:var(--lane-color);flex-shrink:0;height:5px;width:5px}.history-atlas .event-node>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-atlas .event-node>b{background:var(--history-panel);border-radius:3px;color:var(--history-muted);flex-shrink:0;font:9px Courier New,monospace;padding:2px 3px}.history-atlas .event-node>em{color:var(--history-muted);font-size:7px;font-style:normal;white-space:nowrap}.history-atlas .event-node.is-selected,.history-atlas .event-node:hover{background:var(--history-hover);border-color:var(--history-border-strong);color:var(--history-text);z-index:7}.history-atlas .event-node.is-selected{box-shadow:0 1px 7px var(--history-shadow)}.history-atlas .event-pin{background:var(--lane-color);height:7px;opacity:.55;pointer-events:none;position:absolute;top:73px;width:2px}.history-atlas .period-bands{height:14px;left:0;position:absolute;right:0;top:84px}.history-atlas .period-band{background:var(--lane-color);border-left:1px solid var(--history-band-border);color:var(--history-on-accent);font-size:8px;height:13px;line-height:13px;overflow:hidden;padding:0 7px;position:absolute;text-align:left;text-overflow:ellipsis;top:0;white-space:nowrap}.history-atlas .period-band.subtle{background:color-mix(in srgb,var(--lane-color) 15%,var(--history-surface));border:1px solid color-mix(in srgb,var(--lane-color) 30%,var(--history-surface));color:color-mix(in srgb,var(--lane-color) var(--history-lane-strength),var(--history-text));line-height:11px}.history-atlas .period-band:hover{filter:brightness(.9)}.history-atlas .atlas-status{align-items:center;color:var(--history-muted);display:flex;flex-shrink:0;font-size:9px;gap:12px;height:32px;justify-content:space-between;padding:0 3px}.history-atlas .atlas-status>span:first-child{align-items:center;display:flex;gap:6px}.history-atlas .atlas-status i{background:var(--history-accent);border-radius:50%;height:4px;width:4px}.history-atlas .atlas-status b{color:var(--history-border);font-weight:400;margin:0 7px}.history-atlas .atlas-status button{color:var(--history-muted)!important;font-size:9px!important;height:22px!important}.history-atlas .event-detail{background:var(--history-surface)!important;gap:0!important;max-width:520px!important;overflow-y:auto!important;padding:45px 32px 35px!important;width:min(100%,520px)!important}.history-atlas .detail-eyebrow{color:var(--history-muted);font:10px Courier New,PingFang SC,monospace;letter-spacing:1px;margin-bottom:20px}.history-atlas .detail-title{color:var(--history-text)!important;font:600 27px/1.55 Songti SC,STSong,serif!important;letter-spacing:.5px}.history-atlas .detail-summary{color:var(--history-muted)!important;font-size:13px!important;line-height:1.95!important;margin:17px 0!important}.history-atlas .detail-tags{border-bottom:1px solid var(--history-border);display:flex;flex-wrap:wrap;gap:8px;padding-bottom:23px}.history-atlas .detail-tags>span{background:var(--history-panel);border-radius:3px;font-size:10px;padding:4px 7px}.history-atlas .event-detail section{margin-top:25px}.history-atlas .event-detail h3{color:var(--history-text-secondary);font-size:12px;font-weight:600;letter-spacing:1px;margin:0 0 10px}.history-atlas .event-detail section p{color:var(--history-muted);font-size:12px;line-height:2;margin:0}.history-atlas .small-note{color:var(--history-muted)!important;font-size:10px!important;margin-top:8px!important}.history-atlas .related-events{display:flex;flex-direction:column;margin-top:8px}.history-atlas .related-events button{border-bottom:1px solid var(--history-border);border-radius:0!important;gap:12px!important;height:auto!important;justify-content:flex-start!important;padding:12px 5px!important;text-align:left;white-space:normal!important}.history-atlas .related-events span{color:var(--history-muted);flex-shrink:0;font:10px Courier New,monospace;width:88px}.history-atlas .related-events strong{flex:1;font-size:12px;font-weight:400;line-height:1.8}.history-atlas .related-events svg{color:var(--history-muted);flex-shrink:0}.history-atlas .source-link{align-items:center;color:var(--history-accent);display:flex;font-size:11px;gap:5px;line-height:1.8}.history-atlas .source-link svg{flex-shrink:0}.history-atlas .source-link:hover{text-decoration:underline}.history-atlas .reading-guide{gap:12px!important;max-height:85dvh!important;max-width:min(720px,calc(100% - 32px))!important;padding:30px!important}.history-atlas .reading-guide [data-slot=dialog-title]{color:var(--history-text);font-size:21px;letter-spacing:1px;line-height:1.5}.history-atlas .reading-guide [data-slot=dialog-description]{color:var(--history-muted);font-size:11px}.history-atlas .guide-body{min-height:0;overflow-y:auto;padding-right:8px}.history-atlas .guide-body section{margin:22px 0}.history-atlas .guide-body h3{color:var(--history-text-secondary);font-size:13px;font-weight:600;margin-bottom:10px}.history-atlas .guide-body p{color:var(--history-muted);font-size:12px;line-height:1.95;margin:10px 0}@media(min-height:1050px){.history-atlas .subject-row{height:calc(16.66667dvh - 87.5px);min-height:108px}.history-atlas .track-baseline{top:calc(100% - 29px)}.history-atlas .event-pin{top:calc(100% - 35px)}.history-atlas .period-bands{top:calc(100% - 24px)}}@media(max-width:1100px){.history-atlas .atlas-toolbar,.history-atlas .toolbar-filters{gap:10px}.history-atlas .map-deck{grid-template-columns:1.15fr 1fr}.history-atlas .map-title small{font-size:7px;letter-spacing:0}.history-atlas .project-title{font-size:10px}.history-atlas .project-title>span{margin-left:12px}.history-atlas .year-brief{padding:14px 12px}.history-atlas .focus-year{font-size:38px}.history-atlas .atlas-status>span:nth-child(2){display:none}.history-atlas .atlas-search{max-width:210px}.history-atlas .atlas-toolbar select{font-size:10px}.history-atlas .zoom-controls>span{font-size:10px;width:66px}}@media(max-width:760px){.history-atlas .atlas-app{min-height:700px;padding:0 8px}.history-atlas .atlas-header{height:57px;padding:0 3px}.history-atlas .atlas-brand{font-size:18px}.history-atlas .project-title{display:none}.history-atlas .read-guide{font-size:10px!important}.history-atlas .atlas-toolbar{flex-wrap:wrap;gap:8px;height:auto;min-height:88px;padding:8px 3px}.history-atlas .atlas-search{flex:1;max-width:none;min-width:150px}.history-atlas .toolbar-filters{margin-left:auto}.history-atlas .toolbar-filters label{font-size:10px}.history-atlas .toolbar-divider{display:none}.history-atlas .year-navigation{order:3}.history-atlas .zoom-controls{margin-left:auto;order:4}.history-atlas .map-deck{gap:7px;grid-template-columns:1fr 1fr;height:190px}.history-atlas .year-brief{display:none}.history-atlas .map-title{height:33px;padding:0 8px}.history-atlas .map-title>span{font-size:10px;gap:4px}.history-atlas .map-title small{display:none}.history-atlas .map-bottom{font-size:7px;height:22px;padding:0 6px}.history-atlas .map-caption{font-size:8px;height:29px;line-height:1.5}.history-atlas .map-caption>span:last-child{display:none}.history-atlas .chronology{min-height:260px}.history-atlas .time-ruler{height:59px}.history-atlas .subject-label{padding:13px 11px}.history-atlas .atlas-status{font-size:8px}.history-atlas .atlas-status>span:first-child{line-height:1.5;max-width:75%}.history-atlas .event-detail{padding:48px 24px 30px!important}.history-atlas .reading-guide{padding:24px!important}.history-atlas .atlas-toolbar .overview-button{font-size:10px!important}}.history-atlas .empty-timeline{align-items:center;background:var(--history-warning-bg);border:1px solid var(--history-warning-border);border-radius:4px;color:var(--history-warning-text);display:flex;flex-shrink:0;font-size:11px;gap:9px;margin-bottom:8px;padding:8px 12px}.history-atlas .empty-timeline button{font-size:11px;height:24px;margin-left:auto;padding:0}.history-atlas .map-point:focus-visible .point-core{stroke:var(--history-text-secondary);stroke-width:2}@media(prefers-reduced-motion:reduce){.history-atlas *,.history-atlas :after,.history-atlas :before{animation:none!important;scroll-behavior:auto!important;transition:none!important}}.history-atlas .event-hover{background:var(--history-surface);border:1px solid var(--history-border);border-radius:10px;box-shadow:0 12px 40px var(--history-shadow);color:var(--history-text);font-size:13px;line-height:1.7;max-height:min(560px,calc(100dvh - 32px),var(--available-height,560px));overflow-y:auto;overscroll-behavior:contain;padding:18px;width:min(420px,calc(100vw - 24px))}.history-atlas .hover-group-heading{border-bottom:1px solid var(--history-border);color:var(--history-muted);font-size:11px;padding-bottom:12px}.history-atlas .hover-event+.hover-event{border-top:1px solid var(--history-border);margin-top:18px;padding-top:18px}.history-atlas .hover-event-meta{font-size:11px;font-weight:600}.history-atlas .hover-event-meta span{color:var(--history-muted);font-weight:400}.history-atlas .hover-event h3{font-size:18px;font-weight:650;line-height:1.5;margin:7px 0 10px}.history-atlas .hover-event h4{color:var(--history-muted);font-size:11px;font-weight:500;margin:12px 0 3px}.history-atlas .hover-event p{margin:0}.history-atlas .hover-summary{font-weight:500}.history-atlas .hover-event-footer{border-top:1px solid var(--history-border);color:var(--history-accent);display:flex;font-size:11px;gap:12px;justify-content:space-between;margin-top:16px;padding-top:10px}.history-atlas .hover-event-footer button{cursor:pointer}.history-atlas .hover-event-footer a:hover,.history-atlas .hover-event-footer button:hover{text-decoration:underline}.history-atlas .header-actions{align-items:center;display:flex;gap:18px}.history-atlas .header-status{align-items:center;color:var(--history-muted);display:flex;font-size:9px;gap:6px}.history-atlas .header-status i{background:var(--history-accent);border-radius:50%;height:4px;width:4px}.history-atlas .atlas-brand{align-items:flex-start;flex-direction:column;gap:3px;white-space:nowrap}.history-atlas .atlas-brand small{color:var(--history-muted);font:11px/1.45 PingFang SC,Microsoft YaHei,sans-serif;letter-spacing:0;margin-top:2px}.history-atlas .timeline-switch{align-items:center;color:var(--history-muted);cursor:pointer;display:flex;font-size:10px;gap:7px;white-space:nowrap}.history-atlas .canvas-inner,.history-atlas .chronology{background:var(--history-panel)}.history-atlas .canvas-inner{display:grid;grid-template-rows:62px repeat(6,minmax(108px,1fr));height:100%;min-height:710px}.history-atlas .subject-row{height:auto;min-height:108px}.history-atlas .map-bottom,.history-atlas .map-title{display:none}.history-atlas .map-panel{border:0;border-radius:0}.history-atlas .geo-map{height:100%}.history-atlas .map-note{background:var(--history-note);bottom:6px;color:var(--history-muted);font-size:8px;line-height:1.4;padding:2px 5px;pointer-events:none;position:absolute;right:8px;white-space:nowrap}@media(max-width:760px){.history-atlas .map-note{bottom:4px;font-size:6px;padding:1px 3px;right:4px}.history-atlas .header-actions{gap:7px}.history-atlas .header-status{display:none}.history-atlas .atlas-brand{font-size:14px;letter-spacing:0}.history-atlas .atlas-brand small{font-size:9px}.history-atlas .timeline-switch{font-size:8px;gap:4px}.history-atlas .read-guide{font-size:9px!important}}.history-atlas{background:var(--history-bg);color:var(--history-text);min-height:100dvh;padding:var(--history-header-space) 0 12px}.history-atlas .event-hover{position:fixed;z-index:80}.history-atlas .event-hover section{margin-top:12px}.history-atlas .event-hover h2{font-size:18px;font-weight:650;line-height:1.5;margin:7px 0 10px}.history-atlas .event-hover h3{color:var(--history-muted);font-size:11px;margin:12px 0 3px}.history-atlas .event-hover .detail-eyebrow{margin-bottom:8px}.history-atlas dialog{background:var(--history-surface);border:1px solid var(--history-border);color:var(--history-text)}.history-atlas dialog::backdrop{background:var(--history-backdrop)}.history-atlas .event-detail{border-radius:0;height:100dvh;inset:0 0 0 auto;margin:0;max-height:100dvh;position:fixed}.history-atlas .reading-guide{border-radius:10px;margin:auto;overflow-y:auto;position:fixed;width:720px}.history-atlas .reading-guide h2{color:var(--history-text);font-size:21px;font-weight:600;padding-right:24px}.history-atlas .reading-guide>p{color:var(--history-muted);font-size:11px;margin-top:8px}.history-atlas .atlas-close{color:var(--history-muted);font-size:26px;height:32px;position:absolute;right:14px;top:10px;width:32px}.history-atlas .related-events button{align-items:center;display:flex}.history-atlas .atlas-back{color:var(--history-muted);font-size:11px;white-space:nowrap}.history-atlas .atlas-toolbar{height:auto;min-height:46px;padding-block:8px}.history-atlas .atlas-toolbar input[type=search]{min-width:0;width:100%}.history-atlas .year-navigation button{padding:5px 8px}.history-atlas button:disabled{cursor:default;opacity:.35}.history-atlas input[type=checkbox]{accent-color:var(--history-accent)}.history-atlas input[role=switch]{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--history-scroll);border-radius:12px;cursor:pointer;height:17px;position:relative;width:30px}.history-atlas input[role=switch]:after{background:var(--history-surface);border-radius:50%;content:"";height:13px;left:2px;position:absolute;top:2px;transition:transform .15s;width:13px}.history-atlas input[role=switch]:checked{background:var(--history-accent)}.history-atlas input[role=switch]:checked:after{transform:translate(13px)}.history-atlas input:focus-visible,.history-atlas select:focus-visible{outline:2px solid var(--history-accent);outline-offset:3px}.history-atlas .result-count{color:var(--history-muted);font-size:10px;margin-left:auto;white-space:nowrap}@media(max-width:760px){.history-atlas .atlas-header{flex-wrap:wrap;gap:8px;height:auto;min-height:90px;padding:10px 3px}.history-atlas .atlas-brand{white-space:normal}.history-atlas .header-actions{justify-content:space-between;width:100%}.history-atlas .atlas-toolbar{gap:6px}.history-atlas .toolbar-filters{gap:8px}.history-atlas .atlas-search{flex-basis:100%}.history-atlas .year-navigation{order:0}.history-atlas .result-count{display:none}}