@font-face{font-family:YouyiDisplay;src:url('/fonts/SmileySans-Oblique.ttf.woff2')}@font-face{font-family:YouyiSans;src:url('/fonts/FrexSansGB-Regular.woff2')}*{box-sizing:border-box}html{scroll-behavior:smooth}body{--paper:#faf8f1;--surface:#fffdf8;--ink:#363d3c;--muted:#68716c;--line:#dfdfd5;--accent:#b44e43;--soft:#f3e4db;margin:0;background:var(--paper);color:var(--ink);font:14px/1.65 YouyiSans,'PingFang SC',sans-serif}button,input,select{font:inherit;color:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{border:0;background:none}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid #607e6a;outline-offset:3px}::selection{background:#e9cd94;color:#333b37}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}.skip{position:absolute;top:-80px;left:24px;z-index:30;background:var(--surface);padding:12px}.skip:focus{top:10px}.site-header{max-width:1680px;margin:auto;display:flex;align-items:center;padding:24px 38px;gap:42px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:8px;flex-wrap:wrap;width:150px;line-height:1}.brand>span{font:28px YouyiDisplay,sans-serif;white-space:nowrap}.brand svg{width:19px;height:19px;fill:#c85b62;stroke:none}.brand small{width:100%;font-size:11px;letter-spacing:.12em;color:var(--muted);margin-top:1px}.site-header nav{display:flex;gap:30px;font-size:13px}.site-header nav a{position:relative;padding:10px 0}.site-header nav a[aria-current]{color:var(--accent)}.site-header nav a[aria-current]:after{content:'';position:absolute;bottom:2px;left:0;right:0;height:2px;background:var(--accent)}.research-link{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:12px;color:var(--muted)}.research-link svg{width:14px;height:14px}main{max-width:1680px;margin:0 auto;padding:0 28px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:29px 10px 26px}.page-heading h1{font:34px/1.3 YouyiDisplay,sans-serif;margin:0;font-weight:400}.page-heading p{margin:7px 0 0;color:var(--muted);font-size:13px}.search{width:320px;display:flex;align-items:center;gap:11px;border:1px solid var(--line);background:var(--surface);padding:12px 14px;border-radius:11px}.search svg{width:17px;height:17px;color:var(--accent)}.search input{border:0;outline:none;background:none;min-width:0;width:100%;font-size:13px;caret-color:var(--accent)}.search input::placeholder{color:var(--muted)}.search kbd{font:12px YouyiSans;padding:0 5px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}.workspace{display:grid;grid-template-columns:186px minmax(0,1fr) 306px;min-height:680px;height:calc(100vh - 254px);max-height:920px;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden}.topic-nav{overflow:auto;scrollbar-width:thin;scrollbar-color:#c8cfc2 transparent;padding:22px 18px;border-right:1px solid var(--line)}.index-head{display:flex;justify-content:space-between;align-items:center;margin:0 0 19px}.index-head h2{font-size:13px;font-weight:500;margin:0}.text-button{font-size:12px;color:var(--accent);padding:5px;min-height:32px}.topic-nav details{margin-bottom:6px}.topic-nav summary{display:flex;align-items:center;gap:6px;list-style:none;cursor:pointer;min-height:47px;color:#515c56;font-size:12px;line-height:1.6}.topic-nav summary::-webkit-details-marker{display:none}.topic-nav summary:before{content:'';border:solid #7f8981;border-width:0 1px 1px 0;width:5px;height:5px;transform:rotate(-45deg);margin-right:4px;flex-shrink:0}.topic-nav details[open] summary:before{transform:rotate(45deg)}.topic-nav summary .domain-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.topic-nav summary small{margin-left:auto;color:#68716c;font-size:11px}.topic-children{padding:0 0 9px 10px}.topic-children button{display:flex;align-items:center;width:100%;text-align:left;padding:9px 7px;border-radius:6px;font-size:11px;min-height:37px;gap:5px;color:#68716c}.topic-children button:hover{background:#f3f3eb;color:#363d3c}.topic-children button[aria-pressed=true]{background:#efe4d9;color:#9d453a}.topic-children button small{margin-left:auto;font-size:11px}.index-foot{margin-top:24px;padding-top:19px;border-top:1px solid var(--line)}.mini-heart{font:15px YouyiDisplay;color:var(--accent)}.index-foot p{font-size:11px;line-height:1.8;color:var(--muted);margin:9px 0}.scene-panel{position:relative;min-width:0;min-height:0;overflow:hidden;background:#f3f2e9;--map-ink:#4b5b52;--map-muted:#637267;--map-surface:rgba(255,253,247,.94);--map-line:#d3d8cb;color:var(--map-ink)}.scene-panel.night{background:#17242b;--map-ink:#e4ecde;--map-muted:#afc2b8;--map-surface:rgba(33,49,55,.96);--map-line:#526a6d}.scene-top{position:absolute;top:19px;left:20px;right:20px;display:flex;align-items:center;justify-content:space-between;z-index:5;pointer-events:none}.scene-top>*{pointer-events:auto}.view-tabs{display:flex;padding:4px;background:var(--map-surface);border:1px solid var(--map-line);border-radius:9px;gap:2px}.view-tabs button{font-size:12px;padding:7px 14px;border-radius:6px;color:var(--map-muted)}.view-tabs button[aria-pressed=true]{background:#dfe7d8;color:#334d3c}.night .view-tabs button[aria-pressed=true]{background:#425b59;color:#f0f3df}.scene-actions{display:flex;gap:7px}.icon-button{display:grid;place-items:center;width:37px;height:37px;border:1px solid var(--map-line);border-radius:9px;background:var(--map-surface);color:var(--map-ink)}.icon-button svg{width:17px;height:17px}.icon-button:hover{border-color:var(--map-ink)}.scene-caption{position:absolute;left:24px;top:82px;z-index:5;display:flex;flex-wrap:wrap;align-items:center;gap:10px;pointer-events:none}.scene-caption>span{font-size:12px;color:var(--map-muted)}.scene-caption button{font-size:11px;color:var(--map-ink);border-bottom:1px solid var(--map-line);padding:3px 0;pointer-events:auto}#graph{position:absolute;inset:0}#graph canvas{display:block;outline-offset:-4px!important}#mapStatus{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:13px;color:var(--map-muted);text-align:center;max-width:260px}.hover-tip{position:absolute;z-index:6;pointer-events:none;background:var(--map-surface);border:1px solid var(--map-line);padding:12px 14px;max-width:250px;border-radius:10px;box-shadow:0 8px 22px rgba(25,42,29,.10)}.hover-tip span{display:block;color:var(--map-muted);font-size:11px}.hover-tip strong{display:block;font-size:13px;font-weight:500;margin:3px 0}.hover-tip small{display:block;color:var(--map-muted);font-size:11px}.scene-bottom{position:absolute;left:22px;right:18px;bottom:43px;display:flex;align-items:center;justify-content:space-between;gap:8px;z-index:5;pointer-events:none}.scene-bottom>*{pointer-events:auto}.legend{display:flex;gap:12px;font-size:11px;color:var(--map-muted);align-items:center}.legend span{display:flex;align-items:center;gap:5px}.legend i{display:inline-block;border-radius:50%;background:#a98468}.legend-domain{width:10px;height:10px}.legend-topic{width:6px;height:6px}.legend-article{width:3px;height:3px}.map-controls{display:flex;padding:3px;background:var(--map-surface);border:1px solid var(--map-line);border-radius:9px;gap:2px}.map-controls button{min-width:31px;height:33px;display:flex;align-items:center;justify-content:center;gap:5px;border-radius:6px;color:var(--map-ink);font-size:11px}.map-controls button:hover{background:rgba(125,145,118,.15)}.map-controls svg{width:14px;height:14px}.map-controls #motionToggle{padding:0 8px;margin-right:3px;border-right:1px solid var(--map-line);border-radius:0}.interaction-hint{position:absolute;left:24px;right:20px;bottom:12px;margin:0;font-size:11px;color:var(--map-muted);pointer-events:none}.article-panel{padding:26px 23px;min-width:0;overflow:auto;border-left:1px solid var(--line);scrollbar-width:thin;scrollbar-color:#c8cfc2 transparent}.panel-head .color-mark{width:28px;height:4px;display:block;background:var(--accent);border-radius:5px;margin-bottom:21px}.panel-head h2{font:26px/1.35 YouyiDisplay;margin:0;font-weight:400}.panel-head p{font-size:12px;line-height:1.8;color:var(--muted);margin:11px 0 20px}.suggestions{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px}.suggestions button{border:1px solid #d7ddcd;padding:7px 11px;border-radius:30px;font-size:11px;color:#4c6755;background:#f5f7ed}.suggestions button:hover{background:#e4ecd9}.results-heading{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;padding-bottom:8px;border-bottom:1px solid var(--line);min-height:34px}.article-row{display:block;width:100%;text-align:left;padding:17px 0;border-bottom:1px solid var(--line);color:var(--ink)}.article-row:hover .article-title{color:var(--accent)}.article-row .article-title{font-size:14px;line-height:1.8;display:block;font-weight:400}.article-meta{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);margin-top:6px}.readable-dot{width:5px;height:5px;border-radius:50%;background:#6e8c68}.article-row.selected .article-title{color:var(--accent)}.related-heading{font-size:11px;color:var(--muted);margin:24px 0 2px;font-weight:400}.empty-message{font-size:13px;color:var(--muted);padding:30px 0}.page-footer{display:flex;justify-content:space-between;gap:20px;padding:17px 8px 25px;color:var(--muted);font-size:11px}.page-footer p{margin:0}.mobile-topics{display:none}.reader-panel{grid-column:2/-1;overflow:auto;padding:20px 36px 55px;scrollbar-width:thin;scrollbar-color:#c8cfc2 transparent}.workspace.reading .scene-panel,.workspace.reading .article-panel{display:none}.reader-toolbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:15px;font-size:11px;color:var(--muted)}.reader-toolbar button{display:flex;align-items:center;gap:8px;padding:10px 0;color:var(--accent);font-size:12px}.reader-toolbar svg{width:17px;height:17px}#readerContent{max-width:720px;margin:34px auto 0}#readerContent h2{font:33px/1.5 YouyiDisplay;margin:15px 0;font-weight:400;text-wrap:balance}#readerContent .reader-meta{font-size:11px;color:var(--muted);margin-bottom:20px}#readerContent .original-note{font-size:12px;color:#68716c;padding:14px 0;border-block:1px solid var(--line)}#readerContent .body{font-size:16px;line-height:2;overflow-wrap:anywhere}#readerContent .body p{white-space:pre-wrap;margin:1.5em 0}#readerContent .body h3{font-size:22px;margin:1.6em 0 .7em}#readerContent .reader-tags{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0}#readerContent .reader-tags button{border:1px solid var(--line);border-radius:25px;padding:7px 13px;color:var(--accent);font-size:12px}#readerContent .next-articles{margin-top:35px;border-top:1px solid var(--line);padding-top:16px}#readerContent .next-articles h3{font:23px YouyiDisplay;font-weight:400}.workspace.list-mode .scene-panel{display:none}.workspace.list-mode .article-panel{grid-column:2/-1;display:block;padding:30px 38px}.workspace.list-mode #articleList{display:grid;grid-template-columns:1fr 1fr;column-gap:40px}.workspace.list-mode .suggestions{max-width:500px}.workspace.list-mode.reading .article-panel{display:none}.workspace.expanded{grid-template-columns:1fr}.workspace.expanded .topic-nav,.workspace.expanded .article-panel{display:none}.workspace.expanded .scene-panel{grid-column:1/-1}.workspace.expanded.reading .reader-panel{grid-column:1/-1}@media(min-width:1600px){.workspace{grid-template-columns:212px minmax(0,1fr) 338px}.article-panel{padding:28px}}@media(max-width:1120px){.workspace{grid-template-columns:160px minmax(0,1fr) 270px}.topic-nav{padding:20px 12px}.article-panel{padding:24px 18px}.legend{display:none}.scene-bottom{justify-content:flex-end}.interaction-hint{font-size:11px}.topic-nav summary{font-size:11px}.page-heading h1{font-size:30px}}@media(max-width:850px){main{padding:0 16px}.site-header{padding:18px 24px;gap:26px}.site-header nav{gap:20px}.research-link{font-size:0;gap:0}.research-link svg{width:19px;height:19px}.workspace{grid-template-columns:minmax(0,1fr) 270px}.topic-nav{display:none}.mobile-topics{display:flex;align-items:center;gap:10px;margin:0 0 15px;color:var(--muted);font-size:12px}.mobile-topics select{border:1px solid var(--line);padding:8px 12px;border-radius:8px;background:var(--surface);flex:1;min-width:0}.reader-panel{grid-column:1/-1}.workspace.list-mode .article-panel{grid-column:1/-1}.page-heading{padding:25px 5px 20px}.search{width:280px}}@media(max-width:620px){.site-header{padding:17px 20px;gap:16px}.brand{width:123px}.brand>span{font-size:25px}.brand svg{width:16px}.site-header nav{margin-left:auto;gap:18px;font-size:12px}.site-header nav a:first-child{display:none}.research-link{display:none}main{padding:0 12px}.page-heading{display:block;padding:23px 7px 20px}.page-heading h1{font-size:30px}.page-heading p{font-size:12px;margin-top:5px}.search{margin-top:19px;width:100%;padding:11px 13px}.search input{font-size:13px}.search kbd{display:none}.mobile-topics{padding:0 6px;gap:10px}.workspace{display:flex;flex-direction:column;height:auto;max-height:none;min-height:0;border-radius:14px}.scene-panel{height:470px;flex-shrink:0}.scene-top{top:14px;left:13px;right:13px}.scene-caption{top:76px;left:17px}.scene-actions{gap:5px}.icon-button{width:40px;height:40px}.scene-bottom{bottom:40px;right:12px;left:12px}.map-controls button{height:38px;min-width:35px}.map-controls #motionToggle{font-size:11px}.interaction-hint{left:17px;font-size:11px;bottom:13px}.article-panel{border-left:0;border-top:1px solid var(--line);padding:25px 22px;overflow:visible}.panel-head .color-mark{margin-bottom:15px}.panel-head h2{font-size:27px}.panel-head p{font-size:13px}.suggestions button{font-size:12px;min-height:41px}.article-title{font-size:15px!important}.article-meta{font-size:11px}.article-row{padding:18px 0}.results-heading{font-size:11px}.page-footer{display:block;font-size:11px;padding:16px 7px 24px}.page-footer p+p{margin-top:4px}.reader-panel{padding:17px 22px 38px;overflow:visible}.reader-toolbar>span{display:none}#readerContent{margin-top:24px}#readerContent h2{font-size:28px}.workspace.list-mode .article-panel{padding:26px 22px}.workspace.list-mode #articleList{display:block}.workspace.expanded .scene-panel{height:72vh}.workspace.reading .topic-nav{display:none}.reader-panel .reader-toolbar button{min-height:44px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.map-return{display:block;min-height:44px;padding:7px 0 15px;color:var(--accent);font-size:13px;margin-bottom:18px;border-bottom:1px solid var(--line);text-align:left}

#graphLabels{position:absolute;inset:0;pointer-events:none;z-index:3;overflow:hidden}.graph-label{position:absolute;left:0;top:0;visibility:hidden;max-width:145px;width:max-content;line-height:1.55;font-size:12px;color:var(--map-ink);text-align:center;pointer-events:none;background:var(--map-surface);padding:1px 4px;border-radius:3px;will-change:transform}.graph-label.article-label{max-width:158px;font-size:11px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.scene-panel.night .graph-label{background:rgba(23,36,43,.88)}

.index-foot p,.page-footer,.interaction-hint{font-size:12px}

@media(max-width:620px){.map-controls button{min-width:44px;height:44px}.icon-button{width:44px;height:44px}.view-tabs button{min-height:40px}.mobile-topics select{min-height:44px}.search{min-height:46px}.site-header nav a{min-height:44px;display:flex;align-items:center}.interaction-hint{font-size:11px}}

/* Keep navigation and graph metadata legible at their displayed size. */
.topic-children button,.topic-children button small,.topic-nav summary small,.legend,.graph-label.article-label{font-size:12px}

/* Semantic zoom: topic labels keep their place as article titles appear. */
.graph-label{border:1px solid transparent;padding:3px 6px;font-size:12px;line-height:1.55;cursor:pointer;min-height:26px}
.graph-label.featured-label{font-size:14px;font-weight:600;max-width:172px;border-color:var(--map-line);padding:5px 9px;border-radius:6px}
.graph-label.article-label{font-size:12px;max-width:176px}
.graph-label:hover,.graph-label:focus-visible{border-color:var(--map-ink);background:var(--map-surface)}
.suggestions button{display:flex;align-items:center;gap:7px;font-size:12px;padding:8px 11px}
.suggestions small{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.detail-level{padding-left:10px;border-left:1px solid var(--map-line);font-size:11px!important}
#zoomReadout{display:grid;place-items:center;min-width:43px;font-size:11px;font-variant-numeric:tabular-nums;color:var(--map-muted)}
@media(max-width:620px){.graph-label.featured-label{font-size:13px}.graph-label{min-height:30px}.map-controls #motionToggle{padding:0 5px}.map-controls button{min-width:44px}.detail-level{font-size:11px!important;padding-left:7px}.scene-caption{gap:7px}}

.scene-caption{background:var(--map-surface);padding:3px 7px;border-radius:4px;max-width:calc(100% - 40px)}
.legend{background:var(--map-surface);padding:4px 6px;border-radius:4px}

@media(max-width:620px){.interaction-hint{font-size:12px}}

/* The starfield surface: a local visual system, independent of the live website. */
body{--paper:#070d18;--surface:#0b1523;--ink:#e4efff;--muted:#9cafc7;--line:#203047;--accent:#9cddff;--soft:#142a3d;background:var(--paper);color:var(--ink)}
::selection{background:#31566f;color:#fff}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible{outline-color:#9cddff}
.site-header{padding:18px 30px;max-width:none;gap:42px;border-bottom-color:#17263b}.brand>span{font-size:25px}.brand svg{fill:#acdfff}.brand small{font-size:11px;color:#94a8c0;letter-spacing:.1em}.site-header nav{font-size:13px}.site-header nav a[aria-current]:after{height:1px;background:#9cddff}.research-link{color:#9cafc7}
main{max-width:1900px;padding:0 24px}.page-heading{padding:22px 6px 23px;align-items:center}.page-heading h1{font:30px/1.25 YouyiSans,sans-serif;font-weight:400;letter-spacing:.02em}.page-heading p{color:#91a5bf;font-size:13px}.search{border-color:#293b51;background:#0c1727;border-radius:6px;padding:11px 14px}.search svg{color:#a4dbf8}.search input{color:#e9f1fa}.search input::placeholder{color:#9dafc4}.search kbd{color:#9dafc4;border-color:#2b4058}
.workspace{grid-template-columns:182px minmax(0,1fr) 300px;min-height:670px;height:calc(100vh - 220px);max-height:1100px;background:#070d18;border:1px solid #1b2c42;border-radius:8px}.topic-nav{background:#0a1422;border-color:#1c2d42;padding:23px 16px;scrollbar-color:#344b65 transparent}.index-head h2{color:#e0ebf8;font-size:13px}.text-button{color:#a4dfff}.topic-nav summary{color:#b8c8da;font-size:12px}.topic-nav summary:before{border-color:#8196b0}.topic-nav summary small,.topic-children button,.topic-children button small{color:#a0b2c8;font-size:12px}.topic-children button{border-radius:3px;padding:9px 6px}.topic-children button:hover{background:#15273b;color:#e9f6ff}.topic-children button[aria-pressed=true]{background:#173147;color:#d5f3ff}.topic-nav summary .domain-dot{width:5px;height:5px}.index-foot{border-color:#26394e}.mini-heart{color:#afdbf1}.index-foot p{font-size:12px;color:#8ca2bc;line-height:1.9}
.scene-panel,.scene-panel.night{background:#070d18;--map-ink:#e5f3ff;--map-muted:#a1b5cd;--map-surface:rgba(10,22,37,.96);--map-line:#2b425c}.scene-top{top:18px;left:18px;right:18px}.view-tabs{border-color:#2b4058;background:#0c1929;border-radius:5px;padding:3px}.view-tabs button{border-radius:3px;color:#9eb2c9;font-size:12px}.view-tabs button[aria-pressed=true],.night .view-tabs button[aria-pressed=true]{background:#1c3a50;color:#e4f6ff}.icon-button{border-color:#2a4057;border-radius:5px;background:#0b1828;color:#b8d9ef}.icon-button:hover{background:#173449;border-color:#78abc9}.scene-caption{top:82px;left:19px;background:rgba(7,13,24,.9);border-radius:3px;padding:4px 7px;gap:9px}.scene-caption>span{color:#acc1d8;font-size:12px}.scene-caption button{color:#cbeaff}.detail-level{border-color:#3a5068;font-size:11px!important;color:#93abc2!important}
.graph-label{background:rgba(7,13,24,.68);border:1px solid transparent;border-radius:3px;color:#dcefff;text-shadow:0 2px 4px #03070c;padding:3px 6px;font:12px/1.6 YouyiSans,sans-serif;font-weight:400;max-width:170px;min-height:27px}.graph-label.featured-label{color:#eff8ff;font-size:14px;font-weight:500;border-color:transparent;background:rgba(7,13,24,.65);padding:5px 7px;max-width:180px}.graph-label.article-label{max-width:172px;font-size:13px;line-height:1.65}.graph-label.primary-label{font-size:23px!important;line-height:1.5!important;max-width:265px;white-space:normal;color:#ecfaff;letter-spacing:.01em;background:rgba(7,13,24,.75);padding:6px 10px;border:0}.graph-label:hover,.graph-label:focus-visible{background:#102d42;border-color:#70a7c9;color:#fff}.hover-tip{border:1px solid #3e5c76;background:#0c1b2b;border-radius:6px;box-shadow:none;padding:13px 16px}.hover-tip span,.hover-tip small{color:#9db5ce;font-size:12px}.hover-tip strong{color:#ebf6ff;font-size:14px;line-height:1.6}
.scene-bottom{left:18px;right:18px;bottom:42px}.legend{color:#a0b8cd;background:rgba(7,13,24,.86);padding:5px;font-size:12px;gap:15px}.legend i{background:#b4e9ff}.legend-topic{width:7px;height:7px;box-shadow:0 0 7px #74cfff}.legend-article{width:3px;height:3px}.map-controls{border-color:#2a4057;background:#0b1828;border-radius:5px;padding:3px}.map-controls button{font-size:12px;color:#bcd9ee}.map-controls button:hover{background:#173449}.map-controls #motionToggle{border-color:#2d435a}.interaction-hint{color:#9bb0c8;font-size:12px;background:rgba(7,13,24,.86);width:fit-content;max-width:calc(100% - 40px);padding:2px 0}.map-return{color:#a4dfff;border-color:#2a4057}
.article-panel{background:#0b1523;border-color:#1c2e43;padding:27px 23px;scrollbar-color:#344b65 transparent}.panel-head .color-mark{height:2px;width:28px;border-radius:0;margin-bottom:18px}.panel-head h2{font:25px/1.5 YouyiSans,sans-serif;color:#edf5ff;font-weight:400}.panel-head p{font-size:13px;color:#9db2ca;line-height:1.9}.suggestions{gap:7px}.suggestions button{background:#101f30;border:1px solid #2b4056;color:#c2deed;border-radius:4px;padding:8px 10px;font-size:12px}.suggestions button:hover{border-color:#6d99b3;background:#18364b}.suggestions small{color:#8eabc2}.results-heading{border-color:#273a50;color:#a1b6cc;font-size:12px}.article-row{border-color:#223348;padding:16px 0}.article-row .article-title{color:#dbe8f6;font-size:14px;font-weight:400;line-height:1.9}.article-row:hover .article-title{color:#a5e5ff}.article-meta{font-size:11px;color:#8fa6c0}.readable-dot{background:#8bdfcf}.related-heading{font-size:12px;color:#9cb4cc;line-height:1.8}.empty-message{color:#b3c8dd}.page-footer{font-size:11px;color:#7f98b3;padding:13px 7px 20px}
.reader-panel{background:#0c1727;color:#dce9f7}.reader-toolbar{border-color:#2b4057;color:#9ab1c9}.reader-toolbar button{color:#a4dfff}#readerContent h2{font:31px/1.55 YouyiSans,sans-serif;letter-spacing:0;font-weight:400}#readerContent .reader-meta{color:#93acc7}#readerContent .original-note{border-color:#2b4057;color:#9db2c9;font-size:13px}#readerContent .body{font-size:17px;line-height:2.1;color:#d3e0ef}#readerContent .body h3{font-size:21px;color:#eaf6ff}#readerContent .reader-tags button{color:#b3e6ff;background:#122a3e;border-color:#33536d;border-radius:4px}#readerContent .next-articles{border-color:#2b4057}#readerContent .next-articles h3{font-family:YouyiSans;font-size:22px}.reader-panel .article-row{border-color:#2b4057}
.mobile-topics{color:#a1b7cc}.mobile-topics select{color:#dcefff;background:#101f31;border-color:#2c4259;border-radius:5px}
@media(min-width:1600px){.workspace{grid-template-columns:195px minmax(0,1fr) 322px}}
@media(max-width:1120px){.workspace{grid-template-columns:155px minmax(0,1fr) 270px}.topic-nav{padding:20px 12px}.article-panel{padding:23px 18px}.page-heading h1{font-size:28px}.legend{display:none}}
@media(max-width:850px){.workspace{grid-template-columns:minmax(0,1fr) 270px}.topic-nav{display:none}.site-header{padding:16px 22px;gap:24px}.page-heading{padding:23px 3px}.mobile-topics select{min-height:44px}}
@media(max-width:620px){body{font-size:14px}.site-header{padding:15px 18px;gap:14px}.brand>span{font-size:23px}.site-header nav{font-size:12px;gap:15px}main{padding:0 10px}.page-heading{padding:22px 7px 20px}.page-heading h1{font-size:27px}.page-heading p{font-size:12px}.workspace{display:flex;height:auto;min-height:0;max-height:none;border-radius:6px}.scene-panel{height:545px}.scene-top{top:13px;left:12px;right:12px}.scene-caption{top:77px;left:12px;max-width:calc(100% - 24px)}.icon-button{width:44px;height:44px}.article-panel{padding:25px 22px;border-top:1px solid #24374c}.graph-label.featured-label{font-size:13px}.graph-label.primary-label{font-size:21px!important}.graph-label.article-label{font-size:12px;max-width:135px;line-height:1.6}.map-controls button{min-width:44px;height:44px}.map-controls #motionToggle{padding:0 4px;font-size:11px}.interaction-hint{font-size:11px}.scene-bottom{left:12px;right:12px;bottom:42px}.reader-panel{padding:18px 22px 38px}#readerContent h2{font-size:27px}#readerContent .body{font-size:16px}.page-footer{font-size:11px;color:#8ca3bd}.workspace.expanded .scene-panel{height:80vh}.scene-actions{gap:6px}}

.page-footer{font-size:12px}@media(max-width:620px){.interaction-hint,.page-footer{font-size:12px}}

:root{color-scheme:dark;scrollbar-color:#304a65 #070d18;scrollbar-width:thin}html{background:#070d18}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#070d18}::-webkit-scrollbar-thumb{background:#304a65;border-radius:6px}

/* One navigation surface includes stars and their HTML labels. */
#mapSurface{position:absolute;inset:0;touch-action:none;user-select:none}

/* These nine palette values come from the site's reader-theme.js. The map stays dark. */
:root{background:var(--reader-paper,#fff9ef);scrollbar-color:var(--reader-line,#e6d7c5) var(--reader-paper,#fff9ef)}
body{--paper:var(--reader-paper);--surface:var(--reader-sheet);--ink:var(--reader-ink);--muted:var(--reader-soft);--line:var(--reader-line);--accent:var(--reader-accent);--soft:var(--reader-tint);background:var(--paper);color:var(--ink)}
::selection{background:var(--reader-tint);color:var(--reader-ink)}
::-webkit-scrollbar-track{background:var(--reader-paper)}::-webkit-scrollbar-thumb{background:var(--reader-line)}
.site-header{border-color:var(--line)}.brand svg{fill:var(--accent)}.brand small,.research-link,.page-heading p{color:var(--muted)}.site-header nav a[aria-current]:after{background:var(--accent)}
.search{background:var(--surface);border-color:var(--line)}.search svg{color:var(--accent)}.search input{color:var(--ink);caret-color:var(--accent)}.search input::placeholder,.search kbd{color:var(--muted)}.search kbd{border-color:var(--line)}
.workspace{background:var(--surface);border-color:var(--line)}.topic-nav{background:var(--reader-sidebar);border-color:var(--line);scrollbar-color:var(--line) transparent}.index-head h2{color:var(--ink)}.text-button{color:var(--accent)}.topic-nav summary{color:var(--ink)}.topic-nav summary:before{border-color:var(--muted)}.topic-nav summary small,.topic-children button,.topic-children button small{color:var(--muted)}.topic-children button:hover,.topic-children button[aria-pressed=true]{background:var(--reader-tint);color:var(--accent)}.index-foot{border-color:var(--line)}.mini-heart{color:var(--accent)}.index-foot p{color:var(--muted)}
.article-panel{background:var(--surface);border-color:var(--line);scrollbar-color:var(--line) transparent}.panel-head h2{color:var(--ink)}.panel-head p{color:var(--muted)}.suggestions button{background:var(--surface);border-color:var(--line);color:var(--accent)}.suggestions button:hover{background:var(--reader-tint);border-color:var(--accent)}.suggestions small{color:var(--muted)}.results-heading{border-color:var(--line);color:var(--muted)}.article-row,.reader-panel .article-row{border-color:var(--line)}.article-row .article-title{color:var(--ink)}.article-row:hover .article-title{color:var(--accent)}.article-meta,.related-heading,.empty-message,.page-footer{color:var(--muted)}.readable-dot{background:var(--accent)}.map-return{color:var(--accent);border-color:var(--line)}
.reader-panel{background:var(--surface);color:var(--ink);scrollbar-color:var(--line) transparent}.reader-toolbar{border-color:var(--line);color:var(--muted)}.reader-toolbar button{color:var(--accent)}#readerContent h2,#readerContent .body,#readerContent .body h3{color:var(--ink)}#readerContent .reader-meta{color:var(--muted)}#readerContent .original-note{color:var(--muted);border-color:var(--line)}#readerContent .reader-tags button{color:var(--accent);background:var(--reader-tint);border-color:var(--line)}#readerContent .next-articles{border-color:var(--line)}
.mobile-topics{color:var(--muted)}.mobile-topics select{color:var(--ink);background:var(--surface);border-color:var(--line)}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-color:var(--accent)}
/* Bright, palette-related map accents keep contrast against the deep sky. */
.scene-panel{color-scheme:dark;--map-ink:#e5f3ff;--map-muted:#a1b5cd;--map-surface:rgba(10,22,37,.96);--map-line:#2b425c;background:#070d18}
.scene-panel :focus-visible{outline-color:var(--star-accent)}.scene-panel .view-tabs button[aria-pressed=true]{color:var(--star-accent);background:color-mix(in srgb,var(--star-accent) 17%,#0b1828)}.scene-panel .icon-button:hover,.scene-panel .map-controls button:hover{background:color-mix(in srgb,var(--star-accent) 15%,#0b1828);border-color:var(--star-accent)}.scene-panel .graph-label:hover,.scene-panel .graph-label:focus-visible{border-color:var(--star-accent);background:#102536}.scene-panel .icon-button,.scene-panel .map-controls{border-color:color-mix(in srgb,var(--star-accent) 35%,#0b1828)}.scene-panel #backToAll{color:var(--star-accent)}
.appearance{position:relative;flex-shrink:0}.appearance summary{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--line);border-radius:6px;background:var(--surface);list-style:none;cursor:pointer;font-size:12px;min-height:40px}.appearance summary::-webkit-details-marker{display:none}.appearance summary svg{width:16px;height:16px;color:var(--accent)}#appearanceName{color:var(--muted);padding-left:8px;border-left:1px solid var(--line)}.appearance summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.appearance-panel{position:absolute;top:calc(100% + 10px);right:0;z-index:60;width:min(350px,calc(100vw - 28px));max-height:75vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:19px;color:var(--ink);box-shadow:0 12px 30px #0002}.appearance-panel fieldset{border:0;padding:0;margin:0 0 18px;min-width:0}.appearance-panel legend{font-size:12px;color:var(--muted);margin-bottom:10px}.appearance-modes{display:flex;gap:6px}.appearance-modes button{flex:1;border:1px solid var(--line);border-radius:4px;min-height:38px;padding:7px 8px;font-size:12px}.appearance-modes button[aria-pressed=true]{color:var(--accent);border-color:var(--accent);background:var(--reader-tint)}.appearance-note{font-size:12px;line-height:1.8;color:var(--muted);margin:0 0 14px}.appearance-note:last-child{margin-bottom:0}.palette-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.palette-choice{padding:5px;border:2px solid var(--line);border-radius:6px;text-align:left;min-width:0}.palette-choice[aria-pressed=true]{border-color:var(--accent);background:var(--reader-tint)}.palette-choice:hover{border-color:var(--accent)}.palette-preview{display:flex;flex-direction:column;justify-content:center;gap:10px;min-height:61px;padding:9px 7px;border:1px solid;border-radius:3px}.palette-preview strong{font:12px YouyiSans;white-space:nowrap}.palette-preview i{display:block;width:26px;height:3px}.palette-name{display:block;padding:6px 2px 1px;font-size:12px;color:var(--ink)}
@media(max-width:1120px){.site-header{gap:23px}.research-link{margin-left:auto;font-size:0;gap:0}.research-link svg{width:17px;height:17px}}
@media(max-width:620px){.site-header{flex-wrap:wrap;gap:0 10px}.site-header .brand{order:0}.appearance{order:1;margin-left:auto}.appearance summary{min-height:44px;padding:8px 9px;gap:6px}.site-header nav{order:2;flex:1 0 100%;margin:7px 0 -10px;gap:25px;justify-content:flex-start}.site-header nav a{min-height:44px}.appearance-panel{right:0;top:calc(100% + 7px)}.appearance-modes button{min-height:44px}.article-panel{border-top-color:var(--line)}}
#readerContent .body strong{font-weight:700}#readerContent .body ol,#readerContent .body ul{padding-left:1.5em;margin:1.3em 0}#readerContent .body li{padding-left:.25em;margin:.65em 0}#readerContent .body h4{font-size:19px;margin:1.6em 0 .6em}#readerContent .body blockquote{margin:1.3em 0;padding:12px 18px;background:var(--reader-tint);border-left:1px solid var(--reader-line)}#readerContent .body a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.retry-article{padding:10px 18px;border:1px solid var(--line);border-radius:5px;color:var(--accent);background:var(--reader-tint)}

@media(max-width:620px){.site-header nav{gap:20px}.site-header nav a:first-child{display:flex}.site-header nav a{white-space:nowrap}}

/* Public navigation must stay complete on narrow screens; the heart uses the homepage fixed color. */
.site-header .brand{width:170px;flex-shrink:0}.site-header .site-nav{flex-wrap:wrap;gap:0 24px}.site-header .site-nav a{min-height:44px;display:inline-flex;align-items:center;white-space:nowrap}
@media(max-width:760px){.site-header{flex-wrap:wrap;gap:0 12px}.site-header .brand{order:0}.site-header .appearance{order:1;margin-left:auto}.site-header .site-nav{order:2;flex-basis:100%;gap:0 18px;margin:7px 0 0}}

.site-header a{padding-inline:8px;border-radius:8px}.site-header a:hover{background:var(--reader-tint)}
a[href],button:not(:disabled),summary,a[href] *,button:not(:disabled) *,summary *{cursor:pointer}