:root{--paper:#f6f4ed;--panel:#fbfaf6;--ink:#28362f;--muted:#7a8077;--line:#dedfd4;--green:#315e50;--orange:#d77842;--blue:#658294;--purple:#8a799e}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button,select,input{font:inherit}button,select{border:1px solid var(--line);background:var(--panel);border-radius:5px;padding:8px 12px;color:var(--ink)}button,a,select,input{touch-action:manipulation}button{cursor:pointer}button:hover,a:hover{color:var(--orange)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--orange);outline-offset:3px}button:disabled{opacity:.35;cursor:default}.masthead{height:64px;padding:0 3vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.masthead>a:first-child{font:italic 30px Georgia;color:var(--green)}.masthead>a:first-child span{font:13px -apple-system,BlinkMacSystemFont,sans-serif;margin-left:12px;color:var(--ink)}.prototype,.eyebrow{font:10px ui-monospace,monospace;letter-spacing:2px;color:#997458}.masthead>a:last-child{font-size:12px}main{max-width:1840px;margin:auto;padding:0 3vw}.intro{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:32px 0 24px}.intro h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-weight:500;font-size:34px;letter-spacing:1px;margin:9px 0 12px}.intro p:last-child{font-size:12px;color:var(--muted);line-height:1.8;margin:0;max-width:770px}.reading-key{display:flex;gap:10px;align-items:center;white-space:nowrap;font-size:11px;color:var(--muted)}.reading-key span{display:flex;align-items:center;gap:5px}.reading-key b{font-size:10px;font-weight:400}.reading-key i{display:inline-block;width:8px;height:8px}.person-key{border-radius:50%;background:var(--green)}.carrier-key{background:var(--blue)}.replay{border:1px solid var(--line);border-radius:8px;background:var(--panel);overflow:hidden}.controls{min-height:68px;display:flex;align-items:center;gap:16px;padding:12px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}.cursor-label{display:flex;align-items:baseline;gap:10px;margin-right:auto}.cursor-label>span{font-size:10px;color:var(--orange)}.cursor-label strong{font:27px Georgia;color:var(--green)}.cursor-label small{font-size:10px;color:var(--muted)}.window-label{font-size:11px;color:var(--muted);display:flex;gap:8px;align-items:center}select,button{font-size:11px}.play-controls{display:flex;gap:6px}.primary{background:var(--ink);color:white;border-color:var(--ink);min-width:100px}.primary:hover{color:white;background:var(--green)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 330px}.canvas-column{min-width:0;border-right:1px solid var(--line)}.axis-help{display:flex;justify-content:space-between;gap:12px;padding:13px 16px;font-size:10px;color:var(--muted)}.orange{color:var(--orange)}.chart-scroll{overflow-x:auto}#chart{min-width:880px}#chart svg{display:block;width:100%;height:auto}.grid-line{stroke:#e4e5dd;stroke-width:1}.year-text{font:10px ui-monospace,monospace;fill:#7a8077}.year-text.selected{fill:var(--orange);font-weight:700}.svg-heading{font:600 12px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;fill:var(--ink)}.svg-sub{font:9px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;fill:#899085}.svg-label{font:11px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;fill:#5b685f}.svg-label.active{fill:var(--green);font-weight:650}.svg-label.focus{fill:var(--orange);font-weight:650}.rail{stroke:#d5dace;stroke-width:1.5}.rail.active{stroke:#9cb1a2;stroke-width:2}.event-link{stroke:var(--orange);stroke-width:1.2;stroke-dasharray:3 3;opacity:.7}.time-cursor{stroke:var(--orange);stroke-width:1;opacity:.32}.svg-click{cursor:pointer}.svg-click:hover circle,.svg-click:hover rect{stroke:var(--orange);stroke-width:2}.svg-click:focus{outline:none}.svg-click:focus-visible>rect:first-child{stroke:var(--orange);stroke-width:2}.row-dot{fill:#799486;stroke:var(--panel);stroke-width:2}.carrier-dot{fill:var(--blue)}.current-dot{fill:var(--orange);stroke:var(--panel);stroke-width:2}.selected-band{fill:#d778420c}.scrubber{display:flex;align-items:center;gap:12px;padding:14px 20px;border-top:1px solid var(--line);font:10px ui-monospace,monospace}.scrubber input{flex:1;accent-color:var(--orange);min-width:70px}.scrubber output{color:var(--orange)}.legend-note{font-size:10px;line-height:1.8;color:var(--muted);padding:0 20px 16px}#context{background:#f1f0e9;padding:20px;min-width:0}.context-meta{display:flex;justify-content:space-between;font:10px ui-monospace,monospace;color:var(--orange);padding-bottom:14px;border-bottom:1px solid var(--line)}#context h2{font-family:"Songti SC",serif;font-size:24px;line-height:1.5;font-weight:600;margin:18px 0 14px}#context .story-copy{font-size:13px;line-height:1.9;color:#525e54}#context h3{font-size:11px;font-weight:600;margin:21px 0 10px}.role-list{display:flex;flex-direction:column;gap:5px}.role-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;border-bottom:1px solid #e3e3da;padding:7px 0}.role-row button{background:none;border:0;padding:0;font-size:12px;text-align:left}.role-row small{font-size:10px;color:var(--muted);text-align:right;max-width:140px}.entity-kind{display:inline-block;margin-right:6px;font:9px ui-monospace,monospace;color:var(--green)}.fact-label{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}.money{font:24px Georgia;margin:15px 0;color:var(--green)}.money small{display:block;font:10px -apple-system,BlinkMacSystemFont,sans-serif;margin-top:5px;line-height:1.7}.qualifications{font-size:11px;line-height:1.8;color:var(--muted);padding:10px 0;border-top:1px solid var(--line);margin-top:16px}.qualifications summary{cursor:pointer}.evidence-image{display:block;margin-top:12px;border:1px solid var(--line);background:white}.evidence-image img{display:block;width:100%;max-height:160px;object-fit:contain;object-position:top}.evidence-image span{display:block;padding:7px 9px;color:#778074;font-size:9px}.source-links{display:flex;gap:10px;flex-wrap:wrap;font-size:10px;line-height:1.7;color:var(--green);margin-top:10px}.full-record{display:inline-block;margin:14px 0 0;font-size:11px;border-bottom:1px solid #9aa99d;padding-bottom:4px}.year-list{margin-top:22px;border-top:1px solid var(--line);padding-top:1px}.year-event{width:100%;display:block;text-align:left;background:none;border:0;border-radius:0;border-bottom:1px solid var(--line);padding:10px 0;line-height:1.65}.year-event.active{color:var(--orange)}.year-event small{display:block;font-size:9px;color:var(--muted);margin-bottom:3px}.track-note{font-size:11px;line-height:1.8;color:var(--muted)}.back-event{margin-bottom:8px}.afterword{display:grid;grid-template-columns:1fr 1fr;gap:9vw;padding:30px 0 34px}.afterword h2{font:22px "Songti SC",serif}.afterword p{font-size:12px;color:var(--muted);line-height:1.9;max-width:600px}.afterword a{font-size:11px;color:var(--green)}footer{padding:22px 3vw;display:flex;justify-content:space-between;border-top:1px solid var(--line);font-size:10px;letter-spacing:1px;color:var(--muted)}.loading{padding:35px;color:var(--muted)}@media(min-width:1600px){.workspace{grid-template-columns:minmax(0,1fr) 370px}.intro{padding-top:38px}#context{padding:24px}}@media(max-width:1100px){.reading-key{display:none}.workspace{grid-template-columns:minmax(0,1fr) 290px}.controls{gap:10px}.cursor-label small{display:none}#context{padding:16px}.window-label{font-size:0}}
.mobile-chart-nav,#mobile-dock{display:none}
#mobile-detail{border:0;padding:0;background:var(--paper);color:var(--ink);max-width:none;width:100%;max-height:88dvh;height:88dvh;margin:auto 0 0;position:fixed;inset:auto 0 0;border-radius:18px 18px 0 0;box-shadow:0 -10px 60px #17231d33;overflow:hidden}
#mobile-detail::backdrop{background:#1d292966}
.sheet-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px;border-bottom:1px solid var(--line);height:66px;background:var(--paper)}
.sheet-header span{font-size:12px;color:var(--muted)}.sheet-header button{min-height:44px;font-size:14px}
#sheet-content{height:calc(100% - 66px);overflow-y:auto;overscroll-behavior-y:contain;padding-bottom:env(safe-area-inset-bottom)}
@media(max-width:760px){
 body{padding-bottom:calc(136px + env(safe-area-inset-bottom))}
 main{padding:0 12px}.masthead{padding:0 16px;height:56px;gap:12px}.masthead .prototype{display:none}.masthead>a:first-child span{font-size:11px;margin-left:7px}.masthead>a:last-child{font-size:11px;white-space:nowrap;display:flex;align-items:center;min-height:44px}
 .intro{padding:18px 0}.intro .eyebrow{display:none}.intro h1{font-size:24px;line-height:1.45;letter-spacing:0;margin:0 0 9px}.intro p:last-child{font-size:12px;line-height:1.75}.workspace{grid-template-columns:minmax(0,1fr)}.canvas-column{border-right:0;min-width:0}.replay{overflow:visible;border-radius:8px}
 .controls{display:grid;grid-template-columns:90px minmax(0,1fr);padding:10px 12px 4px;gap:4px 8px}.cursor-label{min-width:0;display:flex;gap:4px;flex-direction:column;margin:0}.cursor-label>span{font-size:10px}.cursor-label strong{font-size:25px}.cursor-label small{display:none}.window-label{min-width:0;margin:0;justify-content:flex-end;font-size:0}.window-label select{width:100%;max-width:300px;font-size:16px;padding:10px 7px;min-height:44px}
 .controls .scrubber{grid-column:1/-1;padding:8px 0;border:0;gap:8px;min-height:50px}.scrubber input{min-height:32px;width:100%;min-width:0}.scrubber output{font-size:12px}.scrubber>span{font-size:10px}
 .axis-help{font-size:10px;display:block;line-height:1.8;padding:9px 12px}.axis-help #focus-label{display:none}
 .mobile-chart-nav{display:block;position:sticky;top:0;z-index:5;padding:4px 10px 6px;background:#fbfaf6f5;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);border-top:1px solid var(--line)}
 .mobile-year-nav{display:flex;align-items:center;justify-content:space-between;gap:8px}.mobile-year-nav button{width:44px;height:44px;font-size:22px;border:0;background:transparent}.mobile-year-nav span{font-size:11px;color:#637064;white-space:nowrap}.layer-jumps{display:grid;grid-template-columns:1fr 1fr 1.5fr 1.25fr;gap:4px}.layer-jumps button{min-height:44px;font-size:12px;padding:8px 2px;white-space:nowrap}.layer-jumps #tracks{font-size:11px;background:#eaf0e7;border-color:#d5dfd1}
 .chart-scroll{overflow:visible;max-height:none}#chart{min-width:0;width:100%}#chart svg{width:100%;height:auto}.svg-label{font-size:12px}.year-text{font-size:12px}.svg-heading{font-size:13px}.svg-sub{font-size:10px}#chart g[id^="layer-"]{scroll-margin-top:110px}.event-link{opacity:.5}.legend-note{font-size:11px;line-height:1.8;padding:12px;border-top:1px solid var(--line)}
 #mobile-dock{display:block;position:fixed;z-index:20;bottom:0;left:0;right:0;padding:0 max(10px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(10px,env(safe-area-inset-left));background:#f8f7f0f5;backdrop-filter:blur(16px);border-top:1px solid #d5d8cc;box-shadow:0 -5px 24px #27382d0a}
 #open-detail{display:flex;align-items:center;justify-content:space-between;width:100%;gap:12px;min-height:68px;border:0;background:transparent;padding:10px 3px;text-align:left}#open-detail>span{min-width:0;flex:1}#dock-date{display:block;font:10px ui-monospace,monospace;color:#9a6a47;margin-bottom:5px}#dock-title{display:block;font-size:13px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#open-detail>b{font-size:11px;font-weight:500;color:var(--green);white-space:nowrap}
 #mobile-playback .play-controls{display:grid;grid-template-columns:62px 44px 44px minmax(90px,1fr) 52px;gap:5px;margin:0;padding-bottom:10px}#mobile-playback button,#mobile-playback select{font-size:13px;min-height:44px;padding:6px 4px}#mobile-playback .primary{min-width:0}#mobile-playback select{font-size:16px}#mobile-playback #restart{font-size:11px}
 #context{border:0;background:var(--paper);padding:18px}.context-meta{font-size:11px;line-height:1.6;gap:8px}#context h2{font-size:23px;line-height:1.5}#context .story-copy{font-size:15px;line-height:1.9}#context h3{font-size:14px;margin-top:24px}.fact-label{font-size:10px}.track-note{font-size:14px;line-height:1.85}.role-row{align-items:center;gap:10px;padding:6px 0;min-height:48px}.role-row button{min-height:44px;font-size:14px;line-height:1.5;overflow-wrap:anywhere;max-width:65%}.role-row small{font-size:12px;line-height:1.6;max-width:42%}.entity-kind{font-size:10px}.qualifications{font-size:13px}.qualifications summary{min-height:44px;padding:12px 0}.year-event{font-size:14px;padding:14px 0;min-height:48px}.year-event small{font-size:12px}.full-record,.source-links a{font-size:13px;min-height:44px;display:flex;align-items:center;line-height:1.7}.evidence-image img{max-height:280px}.evidence-image span{font-size:11px;line-height:1.6}.back-event{min-height:44px;font-size:13px}.money small{font-size:12px;line-height:1.8}
 .afterword{grid-template-columns:1fr;gap:16px;padding:24px 4px}.afterword p{font-size:12px}.afterword a{display:inline-flex;min-height:44px;align-items:center;font-size:12px}footer{font-size:9px;line-height:1.7;gap:16px;flex-direction:column;padding:16px}
}
@media(max-width:360px){.controls{grid-template-columns:65px minmax(0,1fr)}.window-label select{font-size:16px}.intro h1{font-size:22px}.masthead>a:first-child span{font-size:10px}.layer-jumps button{font-size:11px}.mobile-year-nav span{font-size:10px}#mobile-playback .play-controls{grid-template-columns:52px 44px 44px minmax(80px,1fr) 48px;gap:4px}.svg-label{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
/* Functional categories and reading priority share the existing time axis. */
.reading-tools{padding:16px 18px 12px;border-bottom:1px solid var(--line)}#focus-filters{display:flex;gap:7px;flex-wrap:wrap}#focus-filters button{border-left:3px solid var(--role-color,var(--green));min-height:40px;font-size:12px}#focus-filters small{font-size:10px;margin-left:7px;opacity:.65}#focus-filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}#focus-note{font-size:12px;color:var(--muted);line-height:1.8;margin:10px 0 6px}.reading-policy{font-size:11px;color:var(--muted);line-height:1.8;max-width:900px}.reading-policy summary{cursor:pointer;padding:7px 0}.reading-policy p{margin:8px 0}#reading-current{padding:18px 22px;border-bottom:1px solid var(--line);background:#f1f2e9}.reading-year{display:flex;justify-content:space-between;align-items:center;gap:12px}.reading-year>span{font-size:12px;color:var(--green)}.reading-year button{font-size:11px;background:transparent;border:0}#reading-current h2{font-size:19px;line-height:1.6;font-weight:550;margin:9px 0}#reading-current>p{font-size:13px;color:#647063;line-height:1.85;max-width:970px;margin:8px 0 12px}.reading-people{display:flex;flex-wrap:wrap;gap:6px}.reading-people button{padding:6px 10px;font-size:11px}.reading-people button.key{border-color:#9daf99;color:var(--green);font-weight:600}.reading-people button.support{color:#7e837a;background:transparent}.track-summary{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:12px 18px 0;color:#6c786b;font-size:11px}.svg-label.key-person{font-weight:650;fill:#354e40}.svg-label.support-person{fill:#899085;font-weight:400}.person-functions{font:9px -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;fill:#8a8f83}.role-group{font:600 10px -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}.priority-badge{font-size:11px;display:inline-block;border:1px solid #d4dacb;border-radius:4px;padding:5px 8px;color:#788074}.priority-badge.key{color:var(--green);border-color:#a4b49d}.function-tags{display:flex;flex-wrap:wrap;gap:5px;margin:10px 0}.function-tag{font-size:10px;padding:4px 7px;border-left:2px solid var(--role-color,#9aaa8f);background:#e6eade;color:#64705c}.role-caption{display:block;font-size:9px;color:#8b9184;font-weight:400;margin:4px 0 0 15px}
@media(max-width:760px){.reading-tools{padding:12px}.reading-tools #focus-filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}#focus-filters button{flex-shrink:0;min-height:44px;font-size:13px}#focus-note{font-size:12px;line-height:1.8}.reading-policy{font-size:12px}.reading-policy summary{min-height:44px;padding:12px 0}#reading-current{padding:14px 13px}.reading-year button{min-height:44px;padding:6px 0}.reading-year>span{font-size:12px}#reading-current h2{font-size:17px;margin:5px 0 8px}#reading-current>p{font-size:13px}.reading-people button{min-height:44px;font-size:12px;padding:6px 8px}.track-summary{padding:12px;font-size:11px;line-height:1.6}.layer-jumps{grid-template-columns:1fr 1fr 1.3fr 1.7fr}.layer-jumps #tracks{white-space:normal;line-height:1.4}.role-group{font-size:11px}.person-functions{font-size:9px}.role-caption{font-size:11px;line-height:1.6}.function-tag{font-size:12px}.priority-badge{font-size:12px}.reading-tools{min-width:0}#focus-filters{max-width:100%}}
@media(max-width:760px){.intro{padding:14px 0}.intro p:last-child{display:none}.intro h1{margin-bottom:0;font-size:22px}.reading-tools{padding:8px 12px}.reading-policy summary{min-height:36px;padding:8px 0}#reading-current{padding:9px 13px 12px}.reading-year button{min-height:36px}.reading-people{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.reading-people button{flex-shrink:0}#reading-current>p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:12px;margin:5px 0 10px}.track-summary{padding:8px 12px}.axis-help{display:none}#focus-note{font-size:11px;margin:5px 0}.reading-year>span{font-size:11px}#reading-current h2{font-size:16px}}