.sentinel-page{max-width:1216px;width:calc(100% - 72px)}
.sentinel-page>.breadcrumb{display:inline-block;margin-bottom:40px;font-size:14px}
.sentinel-intro{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start;margin:0 0 50px}
.sentinel-title-block .eyebrow{margin:0 0 20px;color:var(--muted);font-size:12px;letter-spacing:1.7px}
.sentinel-title-block h1{font:650 clamp(42px,5.7vw,78px)/1.05 Arial,'Helvetica Neue','PingFang SC',sans-serif;letter-spacing:-3px;margin:0 0 23px}
.sentinel-deck{font:400 clamp(23px,2.5vw,32px)/1.35 Georgia,'Songti SC',serif;letter-spacing:-.5px;margin:0 0 26px;max-width:580px}
.sentinel-status{font:14px/1.7 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:0}
.sentinel-intro-copy{padding-top:28px;min-width:0}
.sentinel-intro-copy>p{font:400 23px/1.55 Georgia,'Songti SC',serif;margin:0 0 30px}
.sentinel-primary-links{display:flex;align-items:center;flex-wrap:wrap;gap:14px 25px}
.sentinel-primary-links>.text-link{font-size:14px}
.sentinel-hero-visual{margin:0 0 86px}
.sentinel-hero-visual img{display:block;width:100%;height:auto;border-radius:10px;background:#f6f3ec;animation:sentinel-image-enter .9s ease both}
.sentinel-hero-visual figcaption{font:13px/1.7 Arial,'PingFang SC',sans-serif;color:var(--muted);margin-top:14px}
.sentinel-reader{display:grid;grid-template-columns:185px minmax(0,1fr);gap:80px;align-items:start}
.sentinel-toc{position:sticky;top:118px;font-family:Arial,'PingFang SC',sans-serif;min-width:0}
.sentinel-toc>details>summary{display:none}
.sentinel-toc-title{font-size:14px;font-weight:600;margin:0 0 24px}
.sentinel-toc ol{list-style:none;margin:0;padding:0;display:grid;gap:5px}
.sentinel-toc li{margin:0}
.sentinel-toc a[data-sentinel-section]{display:grid;grid-template-columns:24px minmax(0,1fr);gap:9px;font-size:14px;line-height:1.65;color:var(--muted);text-decoration:none;padding:8px 0;transition:color .2s}
.sentinel-toc a[data-sentinel-section]>span{font-size:12px;color:var(--muted)}
.sentinel-toc a[data-sentinel-section][aria-current=location]{color:var(--ink);font-weight:600}
.sentinel-toc a[data-sentinel-section][aria-current=location]>span{color:var(--accent)}
.sentinel-toc a[data-sentinel-section]:hover{color:var(--ink)}
.sentinel-toc-meta{font-size:13px;line-height:1.9;color:var(--muted);margin:27px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.sentinel-toc-meta a{font-size:13px}
.sentinel-prose{max-width:880px;min-width:0}
.sentinel-section{margin:0 0 86px;scroll-margin-top:120px;min-width:0}
.sentinel-section+.sentinel-section{border-top:1px solid var(--line);padding-top:50px}
.sentinel-section-label{font:12px/1.6 Arial,'PingFang SC',sans-serif;letter-spacing:1.4px;color:var(--muted);margin:0 0 22px}
.sentinel-section>h2{font:600 clamp(27px,2.8vw,38px)/1.17 Arial,'Helvetica Neue','PingFang SC',sans-serif;letter-spacing:-1px;max-width:760px;margin:0 0 27px}
.sentinel-section>p:not(.sentinel-section-label):not(.sentinel-figure-note){font:400 19px/1.75 Georgia,'Songti SC',serif;max-width:720px;margin:0 0 22px}
.sentinel-pullquote{border:0;border-left:2px solid var(--accent);margin:35px 0 10px;padding:4px 0 4px 28px;max-width:690px}
.sentinel-pullquote p{font:400 29px/1.45 Georgia,'Songti SC',serif;letter-spacing:-.4px;margin:0}
.sentinel-process{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:25px 0 26px;margin:30px 0 0;border-top:1px solid var(--line)}
.sentinel-process>li{margin:0;padding:0;min-width:0}
.sentinel-process>li>span{font:12px/1.5 Arial,sans-serif;color:var(--accent)}
.sentinel-process h3{font:600 18px/1.4 Arial,'PingFang SC',sans-serif;margin:13px 0 12px}
.sentinel-process p{font:16px/1.7 Georgia,'Songti SC',serif;margin:0}
.sentinel-disclosure{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:28px 0;background:transparent}
.sentinel-disclosure+.sentinel-disclosure{border-top:0;margin-top:-28px}
.sentinel-disclosure>summary{cursor:pointer;font:600 15px/1.6 Arial,'PingFang SC',sans-serif;padding:17px 0;list-style:none;display:flex;justify-content:space-between;gap:20px}
.sentinel-disclosure>summary::-webkit-details-marker{display:none}
.sentinel-disclosure>summary::after{content:'+';font-size:21px;font-weight:400;line-height:1.15;flex-shrink:0;color:var(--muted)}
.sentinel-disclosure[open]>summary::after{content:'−'}
.sentinel-disclosure[open]>summary{margin-bottom:10px}
.sentinel-disclosure-body{padding-bottom:24px;min-width:0}
.sentinel-disclosure-body>p,.sentinel-disclosure-body li{font:17px/1.85 Georgia,'Songti SC',serif;margin-top:0;margin-bottom:18px;overflow-wrap:anywhere}
.sentinel-disclosure-body .project-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding-left:0;margin-top:25px}
.sentinel-disclosure-body .project-steps p{font-size:16px}
.sentinel-disclosure-body .project-steps h3{font-size:18px}
.sentinel-page .project-result-table{margin:25px 0;background:var(--bg)}
.sentinel-page .project-result-table table{font-size:14px}
.sentinel-page .project-result-table caption{font-size:14px}
.sentinel-chart{margin:34px 0 38px;padding:27px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sentinel-chart>figcaption{font:600 17px/1.5 Arial,'PingFang SC',sans-serif;margin-bottom:25px}
.sentinel-chart-panels{display:grid;grid-template-columns:1fr 1fr;gap:35px}
.sentinel-chart-panel h3{font:14px/1.6 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:0 0 21px}
.sentinel-chart-panel dl{margin:0;display:grid;gap:20px}
.sentinel-chart-row dt{font:14px/1.6 Arial,'PingFang SC',sans-serif;margin-bottom:6px}
.sentinel-chart-row dd{display:grid;grid-template-columns:minmax(0,1fr) 82px;gap:14px;align-items:center;margin:0;font:14px/1.5 Arial,sans-serif;font-variant-numeric:tabular-nums}
.sentinel-chart-row dd>span:last-child{text-align:right}
.sentinel-chart-track{display:block;height:8px;background:var(--soft)}
.chart-bar{display:block;height:100%;background:var(--ink)}
.chart-bar-0{background:var(--accent)}
.chart-bar-2{background:var(--muted)}
.sentinel-figure-note{font:14px/1.75 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:18px 0 0!important;max-width:800px}
.sentinel-film-frame{margin-top:25px;border-radius:6px;background:#eee}
.sentinel-finding{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;margin:30px 0}
.sentinel-finding-value{font:400 50px/1.05 Georgia,serif;letter-spacing:-1.5px}
.sentinel-finding-label{font:14px/1.6 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:9px 0 0}
.sentinel-finding>div:last-child>p:last-child{font:17px/1.7 Georgia,'Songti SC',serif;margin:12px 0 0}
.sentinel-inline-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:25px}
.sentinel-inline-links a{font-size:14px}
.sentinel-figure{display:block;margin:34px 0}
.sentinel-figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:5px;background:white}
.sentinel-figure figcaption{font:14px/1.75 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:13px 0 0}
.sentinel-case-note{margin:32px 0 25px;max-width:720px}
.sentinel-case-note h3{font:600 22px/1.35 Arial,'PingFang SC',sans-serif;letter-spacing:-.35px;margin:0 0 17px}
.sentinel-case-note p{font:18px/1.8 Georgia,'Songti SC',serif;margin:0}
.sentinel-modules{margin:0}
.sentinel-modules>div{padding:20px 0;border-bottom:1px solid var(--line)}
.sentinel-modules dt{font:600 17px/1.5 Arial,'PingFang SC',sans-serif}
.sentinel-modules dd{margin:10px 0 0}
.sentinel-modules dd>p{font:17px/1.75 Georgia,'Songti SC',serif;margin:0 0 8px}
.sentinel-modules .sentinel-module-status{font:14px/1.6 Arial,'PingFang SC',sans-serif;color:var(--muted)}
.sentinel-walkthrough{margin-top:30px}
.sentinel-page .sentinel-scope-note{font:15px/1.75 Arial,'PingFang SC',sans-serif!important;color:var(--muted);border-left:2px solid var(--line);padding-left:20px;max-width:740px}
.sentinel-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;margin:30px 0 36px}
.sentinel-resource-grid h3{font:600 17px/1.5 Arial,'PingFang SC',sans-serif;margin:0 0 18px}
.sentinel-resource-grid a{display:block;font-size:14px;line-height:1.75;margin-bottom:11px}
.sentinel-provenance{margin:32px 0 0;border-top:1px solid var(--line);padding-top:25px;color:var(--muted)}
.sentinel-provenance p{font:13px/1.9 Arial,'PingFang SC',sans-serif;margin:0 0 8px}
.sentinel-provenance a{font-size:13px}
.sentinel-closing{border-top:1px solid var(--line);padding:60px 0 0;margin:0}
.sentinel-closing h2{font:600 clamp(28px,3.7vw,45px)/1.2 Arial,'PingFang SC',sans-serif;letter-spacing:-1px;max-width:860px;margin:20px 0}
.sentinel-closing>p:not(.eyebrow){font:20px/1.7 Georgia,'Songti SC',serif;margin:0 0 25px}
.sentinel-spotlight{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0 55px;padding:32px 0}
.sentinel-spotlight h2{font:600 35px/1.2 Arial,'PingFang SC',sans-serif;letter-spacing:-1px;margin:16px 0 20px}
.sentinel-spotlight p:not(.eyebrow){font:18px/1.8 Georgia,'Songti SC',serif;margin:0 0 24px}
.sentinel-spotlight img{display:block;width:100%;height:auto;border-radius:7px;background:#f6f3ec}
html[lang=zh-CN] .sentinel-intro-copy>p{font-size:22px;line-height:1.85}
html[lang=zh-CN] .sentinel-deck{font-size:29px;line-height:1.6;letter-spacing:0}
html[lang=zh-CN] .sentinel-title-block h1{letter-spacing:0;font-size:76px}
html[lang=zh-CN] .sentinel-section>h2{line-height:1.45;letter-spacing:0;font-size:34px}
html[lang=zh-CN] .sentinel-section>p:not(.sentinel-section-label):not(.sentinel-figure-note){font-size:18px;line-height:1.95}
.sentinel-animated .sentinel-section{transition:opacity .55s ease,transform .55s ease}
.sentinel-animated .sentinel-section:not(.sentinel-visible){opacity:0;transform:translateY(14px)}
@keyframes sentinel-image-enter{from{transform:translateY(8px)}to{transform:translateY(0)}}
@media(max-width:1100px){.sentinel-intro{gap:40px}.sentinel-reader{grid-template-columns:155px minmax(0,1fr);gap:40px}.sentinel-intro-copy>p{font-size:21px}.sentinel-resource-grid{grid-template-columns:1fr 1fr}.sentinel-title-block h1{font-size:61px;letter-spacing:-2px}.sentinel-spotlight{gap:30px}.sentinel-spotlight h2{font-size:30px}}
@media(max-width:800px){.sentinel-intro{grid-template-columns:1fr;gap:25px;margin-bottom:32px}.sentinel-title-block h1{font-size:57px;letter-spacing:-2px}.sentinel-intro-copy{padding-top:0}.sentinel-deck{font-size:26px;margin-bottom:17px}.sentinel-intro-copy>p{font-size:20px;line-height:1.7;margin-bottom:23px}.sentinel-hero-visual{margin-bottom:42px}.sentinel-reader{display:block}.sentinel-toc{position:static;margin-bottom:38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sentinel-toc>details>summary{display:flex;justify-content:space-between;gap:20px;cursor:pointer;font:600 15px/1.6 Arial,'PingFang SC',sans-serif;padding:17px 0;list-style:none}.sentinel-toc>details>summary::after{content:'+';font-size:20px;color:var(--muted)}.sentinel-toc>details[open]>summary::after{content:'−'}.sentinel-toc>details>summary::-webkit-details-marker{display:none}.sentinel-toc-title{display:none}.sentinel-toc ol{grid-template-columns:1fr 1fr;padding:5px 0 16px;gap:4px 22px}.sentinel-toc-meta{display:none}.sentinel-section{margin-bottom:60px}.sentinel-section+.sentinel-section{padding-top:35px}.sentinel-chart-panels{gap:28px}.sentinel-spotlight{grid-template-columns:1fr;padding:25px 0;gap:25px}.sentinel-spotlight h2{max-width:570px}html[lang=zh-CN] .sentinel-title-block h1{font-size:57px}html[lang=zh-CN] .sentinel-intro-copy>p{font-size:19px}}
@media(max-width:560px){.sentinel-page>.breadcrumb{margin-bottom:28px}.sentinel-title-block .eyebrow{font-size:11px;margin-bottom:17px}.sentinel-title-block h1{font-size:42px;letter-spacing:-1.5px;margin-bottom:18px}.sentinel-deck{font-size:25px;line-height:1.45}.sentinel-status{font-size:14px}.sentinel-primary-links{gap:15px 20px}.sentinel-hero-visual figcaption{font-size:12px}.sentinel-hero-visual img{border-radius:6px}.sentinel-process{grid-template-columns:1fr;gap:24px;margin-top:25px}.sentinel-process li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:0 13px}.sentinel-process li>span{padding-top:2px;grid-row:1/3}.sentinel-process h3{font-size:18px;margin:0 0 8px}.sentinel-process p{font-size:16px}.sentinel-section-label{font-size:11px;margin-bottom:18px}.sentinel-section>h2{font-size:29px;line-height:1.2;letter-spacing:-.5px}.sentinel-section>p:not(.sentinel-section-label):not(.sentinel-figure-note){font-size:18px;line-height:1.8}.sentinel-pullquote{padding-left:20px;margin:28px 0 0}.sentinel-pullquote p{font-size:25px}.sentinel-chart-panels{grid-template-columns:1fr;gap:30px}.sentinel-finding{grid-template-columns:1fr;gap:20px}.sentinel-finding-value{font-size:48px}.sentinel-resource-grid{grid-template-columns:1fr;gap:25px}.sentinel-disclosure>summary{font-size:14px}.sentinel-disclosure-body .project-steps{grid-template-columns:1fr}.sentinel-figure figcaption{font-size:13px}.sentinel-closing{padding-top:40px}.sentinel-closing h2{font-size:29px}.sentinel-closing>p:not(.eyebrow){font-size:18px}.sentinel-spotlight h2{font-size:28px}html[lang=zh-CN] .sentinel-title-block h1{font-size:48px}html[lang=zh-CN] .sentinel-deck{font-size:24px}html[lang=zh-CN] .sentinel-section>h2{font-size:27px;line-height:1.5}html[lang=zh-CN] .sentinel-intro-copy>p{font-size:18px}html[lang=zh-CN] .sentinel-section>p:not(.sentinel-section-label):not(.sentinel-figure-note){font-size:17px}}
@media(prefers-reduced-motion:reduce){.sentinel-hero-visual img{animation:none}.sentinel-animated .sentinel-section{transition:none!important;opacity:1!important;transform:none!important}}
@media print{.sentinel-primary-links,.sentinel-toc,.sentinel-film-frame{display:none}.sentinel-reader,.sentinel-intro{display:block}.sentinel-section{opacity:1!important;transform:none!important;break-inside:auto}.sentinel-section h2{break-after:avoid}.sentinel-hero-visual{max-width:650px}.sentinel-disclosure-body{display:block}.sentinel-chart,.sentinel-figure{break-inside:avoid}}
@media(max-width:800px){.sentinel-page{width:100%}}
/* Current evidence is arranged as a readable story, with original records nearby. */
.sentinel-task-chart{margin:34px 0;padding:28px 0;border-block:1px solid var(--line)}
.sentinel-task-chart>figcaption{font:600 17px/1.5 Arial,sans-serif;margin-bottom:22px}
.sentinel-task-chart ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:15px 32px}
.sentinel-task-chart li{display:grid;grid-template-columns:60px minmax(0,1fr) 48px;align-items:center;gap:13px;font:13px/1.5 Arial,sans-serif;font-variant-numeric:tabular-nums}
.sentinel-task-chart strong{text-align:right;font-weight:500}
.sentinel-task-track{height:7px;background:var(--soft)}
.sentinel-task-track>span{display:block;height:100%;background:var(--accent)}
.sentinel-film-pair{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:22px 0 34px}
.sentinel-recording{margin:30px 0}
.sentinel-recording .film-frame{margin:0;background:#171817;aspect-ratio:16/9}
.sentinel-recording video{width:100%;height:100%;object-fit:contain}
.sentinel-recording figcaption{font:13px/1.8 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:15px 0 0}
.sentinel-film-pair .sentinel-recording{margin:0}
.sentinel-media-heading{margin-top:38px!important;font-family:Arial,'PingFang SC',sans-serif!important;font-size:17px!important;font-weight:600}
.sentinel-task-chart .sentinel-figure-note{margin-top:24px!important}
.sentinel-finding>div:last-child>p{font:16px/1.7 Arial,'PingFang SC',sans-serif}
.sentinel-finding-value{font-size:54px}
.sentinel-section>.text-link{font-size:14px;margin-block:0 15px}
@media(max-width:800px){.sentinel-film-pair{gap:20px}.sentinel-toc a[data-sentinel-section]{font-size:13px}}
@media(max-width:560px){.sentinel-film-pair{grid-template-columns:1fr;gap:30px}.sentinel-task-chart ol{grid-template-columns:1fr}.sentinel-task-chart li{grid-template-columns:60px minmax(0,1fr) 48px}.sentinel-finding-value{font-size:48px}.sentinel-recording figcaption{font-size:13px}.sentinel-figure img{border-radius:3px}}