*{box-sizing:border-box}
html{color-scheme:light;background:#F0F0F0}
body{margin:0;color:#666666;font:14px -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
main{max-width:1660px;margin:0 auto;padding:20px}
button,input,select{font:inherit}
button{cursor:pointer}
.panel{background:#FFFFFF;border:1px solid #F0F0F0;border-radius:14px}
.mini-label{font-size:11px;letter-spacing:.8px;color:#666666}
.button{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:7px;border:1px solid #F0F0F0;background:#FFFFFF;color:#666666;text-decoration:none;font-weight:500}
.button:hover{background:#F0F0F0}
button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid #666666;outline-offset:3px}
.math-expression{display:inline;white-space:normal}
.question-math{font-size:1.1em;line-height:1.8;vertical-align:middle}
noscript{display:block;padding:24px;color:#666666}
@media(max-width:800px){main{padding:9px}
.panel{border-radius:11px}}
.graph-page .castle-hero,.graph-page .summary-grid{display:none}
.graph-page .academy-tabs{margin-top:8px}
.graph-page .content-layout{display:block}
.learning-network{padding:22px;overflow:hidden}
.network-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}
.network-heading h2{font-size:23px;margin:8px 0}
.network-heading p{font-size:12px;line-height:1.8;color:#666666;margin:0}
.network-heading>.button{flex-shrink:0;font-size:12px;min-height:40px}
.network-toolbar{display:flex;align-items:center;gap:14px;margin:22px 0 12px;flex-wrap:wrap}
.network-stages{display:flex;padding:3px;background:#F0F0F0;border:1px solid #F0F0F0;border-radius:7px;gap:2px}
.network-stages button{border:0;background:none;padding:8px 12px;min-height:36px;color:#666666;font:inherit;font-size:12px;border-radius:5px;cursor:pointer}
.network-stages button.active{background:#FFFFFF;color:#666666;box-shadow:0 1px 5px #666666}
.network-book-label{display:flex;gap:8px;align-items:center;font-size:12px;color:#666666}
.network-book-label select{font:inherit;font-size:12px;border:1px solid #F0F0F0;background:#FFFFFF;border-radius:6px;min-height:40px;padding:8px;max-width:210px;color:#666666}
.network-search{position:relative;flex:1;min-width:190px}
.network-search>input{width:100%;font:inherit;font-size:12px;padding:10px 12px;min-height:40px;border:1px solid #F0F0F0;background:#FFFFFF;border-radius:6px;color:#666666}
.network-results{position:absolute;z-index:8;top:44px;left:0;right:0;background:#FFFFFF;border:1px solid #F0F0F0;border-radius:7px;max-height:360px;overflow:auto;box-shadow:0 8px 25px #666666;padding:6px}
.network-results[hidden]{display:none}
.network-results>p{padding:10px;font-size:12px;color:#666666}
.network-options{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:11px;color:#666666;margin:0 0 12px}
.network-options label{display:flex;gap:5px;align-items:center}
.network-options input{accent-color:#666666}
.network-count{margin-left:auto;font-size:10px;color:#666666}
.network-workspace{display:grid;grid-template-columns:minmax(0,1fr) 275px;border:1px solid #F0F0F0;border-radius:9px;background:#FFFFFF;overflow:hidden;height:660px}
.network-canvas-wrap{position:relative;min-width:0;background:radial-gradient(ellipse at 45% 45%,#F0F0F0 0,#FFFFFF 80%);overflow:hidden}
.network-canvas-wrap canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab;outline-offset:-3px}
.network-inspector{border-left:1px solid #F0F0F0;padding:20px 17px;overflow:auto;min-width:0;background:#666666;font-size:12px;color:#666666;line-height:1.7}
.network-welcome .mini-label{font-size:10px;line-height:1.8}
.network-inspector h3{font-size:19px;color:#666666;line-height:1.6;overflow-wrap:anywhere;margin:10px 0}
.network-welcome>p{font-size:12px;line-height:2;color:#666666}
.network-discover{display:grid;gap:9px;margin-top:26px}
.network-discover button{border:1px solid #F0F0F0;background:#F0F0F0;text-align:left;font:inherit;font-size:12px;line-height:1.8;padding:12px;border-radius:6px;color:#666666;cursor:pointer}
.network-reading{display:grid;gap:9px;margin-top:34px;font-size:11px;color:#666666}
.network-back{border:0;background:none;font:inherit;font-size:11px;color:#666666;padding:0 0 12px;cursor:pointer}
.network-node-type{font-size:10px;letter-spacing:.6px}
.network-learning-state{display:flex;flex-wrap:wrap;gap:7px;align-items:center;font-size:12px;margin-top:10px}
.network-learning-state small{font-size:10px;color:#666666}
.network-unassessed{font-size:11px;color:#666666;line-height:1.8;margin:10px 0}
.network-inspector section{border-top:1px solid #F0F0F0;margin-top:17px;padding-top:13px}
.network-inspector h4{font-size:11px;font-weight:500;display:flex;justify-content:space-between;color:#666666;margin:0 0 8px}
.network-inspector h4>span{font-size:10px}
.network-book-chips{display:flex;flex-wrap:wrap;gap:5px}
.network-book-chips button{font:inherit;font-size:10px;line-height:1.6;border:1px solid #F0F0F0;color:#666666;background:#F0F0F0;border-radius:4px;padding:4px 6px;cursor:pointer}
.network-related>button,.network-results>button,.network-inspector details>button{display:flex;align-items:center;width:100%;gap:7px;border:0;background:none;font:inherit;color:#666666;font-size:12px;text-align:left;padding:8px 0;cursor:pointer}
.network-results>button{padding:8px}
.network-related>button>i,.network-results>button>i,.network-inspector details>button>i{width:6px;height:6px;flex-shrink:0;border-radius:50%}
.network-related>button>span,.network-results>button>span,.network-inspector details>button>span{flex:1}
.network-related small,.network-results small{font-size:9px;color:#666666;white-space:nowrap}
.network-related b,.network-results b{font-size:15px;font-weight:400;color:#666666}
.network-related>p{font-size:10px;line-height:1.8;color:#666666;padding-left:13px;margin:0 0 7px}
.network-inspector details>summary{font-size:11px;color:#666666;cursor:pointer;margin-top:6px}
.network-disclaimer{font-size:10px;line-height:1.8;color:#666666;border-top:1px solid #F0F0F0;padding-top:14px;margin-top:22px}
.network-open-question{font-size:12px;margin-top:14px;min-height:42px}
.network-hint{position:absolute;top:14px;left:15px;font-size:10px;color:#666666;pointer-events:none}
.network-zoom{display:flex;gap:1px;position:absolute;bottom:18px;right:15px;border:1px solid #F0F0F0;border-radius:6px;overflow:hidden;background:#FFFFFF}
.network-zoom button{border:0;background:none;color:#666666;width:34px;min-height:34px;font-size:18px;cursor:pointer}
.network-zoom button+button{border-left:1px solid #F0F0F0}
.network-legend{position:absolute;left:14px;bottom:18px;display:flex;gap:12px;flex-wrap:wrap;font-size:9px;color:#666666;max-width:calc(100% - 145px);pointer-events:none}
.network-legend>span{display:flex;align-items:center;gap:4px}
.network-legend i{height:5px;width:5px;border-radius:50%}
.network-footnote{font-size:10px;color:#666666;margin:12px 0 0;line-height:1.8}
.network-empty{position:absolute;top:40%;text-align:center;left:15%;right:15%;font-size:13px;color:#666666}
.learning-network:fullscreen{width:100%;height:100%;border:0;border-radius:0;display:flex;flex-direction:column;background:#FFFFFF}
.learning-network:fullscreen .network-workspace{flex:1;min-height:0}
.network-toggle-records{margin-top:18px}
.network-toggle-records>summary{font-size:12px;color:#666666;cursor:pointer;min-height:36px;line-height:36px}
.network-toggle-records>.panel{border:0;padding:15px 0 0}
@media(min-width:1600px){.network-workspace{height:740px;grid-template-columns:minmax(0,1fr) 300px}}
@media(max-width:1100px){.network-workspace{grid-template-columns:minmax(0,1fr) 235px;height:620px}
.network-inspector{padding:16px 13px}
.network-heading h2{font-size:20px}}
@media(max-width:700px){.learning-network{padding:14px}
.network-heading{align-items:start;gap:8px}
.network-heading h2{font-size:19px}
.network-heading p{font-size:11px;line-height:1.8}
.network-heading>.button{font-size:10px;padding:7px 9px;min-height:36px}
.network-toolbar{display:grid;grid-template-columns:1fr;gap:9px;margin-top:16px}
.network-stages{width:100%;justify-content:space-around}
.network-stages button{flex:1;font-size:12px;min-height:40px}
.network-book-label{display:grid;grid-template-columns:30px minmax(0,1fr)}
.network-workspace{grid-template-columns:1fr;height:auto;display:flex;flex-direction:column}
.network-canvas-wrap{height:440px;flex:none}
.network-inspector{border-left:0;border-top:1px solid #F0F0F0;max-height:410px;padding:16px}
.network-count{width:100%;margin:0;line-height:1.8}
.network-options{gap:9px 14px;margin-bottom:10px}
.network-legend{font-size:9px;gap:7px;max-width:calc(100% - 120px)}
.network-zoom{right:9px;bottom:13px}
.network-zoom button{width:30px;min-height:36px}
.network-hint{font-size:9px;left:10px}
.network-footnote{font-size:10px}
.learning-network:fullscreen{padding:10px;overflow:auto}
.learning-network:fullscreen .network-workspace{min-height:600px;flex:none}
.learning-network:fullscreen .network-canvas-wrap{height:55vh;min-height:300px}
.learning-network:fullscreen .network-inspector{max-height:35vh}
.network-welcome>p{margin-bottom:10px}
.network-discover{margin-top:12px;gap:6px}
.network-reading{margin-top:18px}
.graph-page .academy-tabs{margin-top:0}}
.network-workspace{background:#666666;border-color:#666666}
.network-canvas-wrap{background:radial-gradient(ellipse at 48% 48%,#666666,#666666 80%)}
.network-heading h2{color:#666666}
.network-heading p,.network-options,.network-book-label{color:#666666}
.network-count{color:#666666;font-size:11px}
.network-inspector{background:#666666;color:#666666}
.network-inspector h3{color:#666666}
.network-inspector h4{color:#666666}
.network-related>button,.network-results>button{color:#666666}
.network-related>p,.network-unassessed,.network-disclaimer,.network-footnote{color:#666666}
.network-stages button.active{color:#666666;background:#FFFFFF}
.network-search>input,.network-book-label select{background:#FFFFFF;border-color:#666666;color:#666666}
.network-discover button{background:#666666;border-color:#666666;color:#666666}
.network-legend{background:#666666;border:1px solid #666666;padding:9px;border-radius:8px;color:#666666}
.network-legend i{height:7px;width:7px}
.network-hint{color:#666666}
.network-ambient[hidden],.network-focus-heading[hidden]{display:none}
.network-ambient{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.085;filter:grayscale(.4) blur(.3px);pointer-events:none;user-select:none}
.network-focus-heading{display:flex;align-items:center;gap:22px;padding:0 0 20px;min-height:56px}
.network-return{display:flex;gap:10px;align-items:center;background:none;border:0;padding:7px 0;font:inherit;font-size:14px;color:#666666;min-height:40px}
.network-return:hover{color:#666666}
.network-focus-trail{font-size:12px;color:#666666}
.network-focus-trail b{font-weight:400;margin:0 12px;color:#666666}
.network-focus-book{margin-left:auto;font-size:12px;color:#666666}
.node-detail-mode>.network-heading,.node-detail-mode>.network-toolbar,.node-detail-mode>.network-options,.node-detail-mode>.network-footnote{display:none}
.node-detail-mode .network-workspace{position:relative;display:block;height:680px;background:#666666;border:1px solid #666666;border-radius:16px;overflow:hidden}
.node-detail-mode .network-canvas-wrap{display:none}
.node-detail-mode .network-inspector{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:25px;padding:24px;height:100%;max-height:none;border:0;background:transparent;overflow:visible}
.network-focus-scene{display:flex;flex-direction:column;min-width:0;height:100%}
.network-scene-caption{display:flex;align-items:center;gap:12px;font-size:12px;color:#666666;padding:7px 6px}
.network-scene-caption>small{font-size:10px;color:#666666}
.network-local-map{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.network-local-map svg{display:block;width:100%;height:100%;max-height:560px;font:12px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;overflow:visible}
.network-local-map .local-relation-label{fill:#666666;font-size:10px;letter-spacing:1px}
.network-local-map .local-peer-label{font-size:14px;paint-order:stroke;stroke:#666666;stroke-width:6;stroke-linejoin:round}
.network-local-map .local-node-label{font-size:22px;font-weight:600;letter-spacing:.3px;fill:#666666;paint-order:stroke;stroke:#666666;stroke-width:8;stroke-linejoin:round}
.network-local-map g[role=button]{cursor:pointer}
.network-local-map g[role=button]:hover .local-peer-label,.network-local-map g[role=button]:focus .local-peer-label{fill:#666666;font-weight:600}
.network-local-map g[role=button]:focus{outline:none}
.network-local-map g[role=button]:focus circle:nth-of-type(2){stroke:#666666;stroke-width:3}
.network-scene-footer{display:flex;align-items:center;justify-content:center;gap:16px;color:#666666;font-size:10px;padding:5px;flex-wrap:wrap}
.network-scene-footer>span{display:flex;align-items:center;gap:5px}
.network-scene-footer i{width:5px;height:5px;border-radius:50%}
.network-scene-footer>small{width:100%;text-align:center;font-size:10px;color:#666666;margin-top:7px}
.network-reading-pane{align-self:start;max-height:100%;min-width:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#666666 transparent;background:#666666;border:1px solid #FFFFFF;border-radius:15px;box-shadow:0 14px 38px #666666,0 2px 8px #666666;padding:25px 23px;line-height:1.8}
.node-detail-mode .network-node-overview{padding:0 0 19px;border:0;border-bottom:1px solid #666666;border-radius:0;background:none;display:block}
.node-detail-mode .network-node-overview h3{display:block;font-size:23px;line-height:1.55;letter-spacing:.2px;color:#666666;margin:10px 0 12px;overflow-wrap:anywhere}
.network-node-type{display:flex;align-items:center;gap:6px;font-size:10px;color:#666666;letter-spacing:1px}
.network-node-type>i{width:6px;height:6px;border-radius:50%}
.node-detail-mode .network-learning-state{font-size:12px;color:#666666;margin:8px 0 13px}
.node-detail-mode .network-learning-state small{color:#666666;font-size:10px}
.node-detail-mode .network-unassessed{font-size:11px;color:#666666;margin:7px 0 12px}
.node-detail-mode .network-book-chips{gap:5px;margin-top:13px}
.node-detail-mode .network-book-chips button{font-size:10px;color:#666666;background:#666666;border:1px solid #666666;padding:3px 7px;border-radius:5px;line-height:1.6}
.network-detail-grid{display:block}
.network-detail-grid>section{margin:0;padding:16px 0;border:0;border-bottom:1px solid #666666;background:none}
.network-detail-grid h4{font-size:12px;color:#666666;letter-spacing:.5px;font-weight:500;margin:0 0 7px}
.network-detail-grid h4>span{font-size:10px;color:#666666}
.network-related>button,.network-inspector details>button{font-size:12px;line-height:1.7;color:#666666;padding:7px 0;min-height:35px}
.network-related>button>i{height:4px;width:4px;opacity:.85}
.network-related>p{font-size:10px;line-height:1.8;color:#666666;padding-left:11px;margin:0 0 7px}
.network-related small{color:#666666;font-size:9px}
.network-detail-grid details>summary{font-size:10px;color:#666666;margin-top:7px;line-height:2}
.node-detail-mode .network-disclaimer,.network-missing{font-size:10px;color:#666666;line-height:1.9;border:0;padding:0;margin:16px 0 0}
.network-question-preview{margin:20px 0 5px}
.network-preview-label{font-size:10px;color:#666666;letter-spacing:.7px}
.network-question-preview>p{font-size:15px;color:#666666;line-height:2.1;margin:11px 0 18px;white-space:pre-wrap;overflow-wrap:anywhere}
.network-question-preview>img{display:block;max-width:100%;max-height:180px;object-fit:contain;margin:12px 0}
.node-detail-mode .network-open-question{width:100%;min-height:41px;font-size:12px;letter-spacing:.5px;border-radius:7px;background:#666666;color:#FFFFFF;border:1px solid #666666;box-shadow:none;margin:0 0 5px}
.node-detail-mode .network-open-question:hover{background:#666666}
@media(min-width:1700px){.node-detail-mode .network-workspace{height:730px}
.node-detail-mode .network-inspector{grid-template-columns:minmax(0,1fr) 380px;padding:30px;gap:32px}}
@media(max-width:1150px){.node-detail-mode .network-inspector{grid-template-columns:minmax(0,1fr) 300px;padding:18px;gap:12px}
.network-reading-pane{padding:21px 18px}
.network-scene-footer{gap:9px}
.network-focus-book{display:none}}
@media(max-width:800px){.node-detail-mode .network-inspector{display:flex;flex-direction:column;padding:14px;gap:14px;height:auto;overflow:visible}
.network-focus-scene{height:300px;width:100%;flex:none}
.network-reading-pane{width:100%;max-height:none;overflow:visible;padding:23px}
.network-focus-heading{gap:15px;padding-bottom:13px}
.network-focus-trail{font-size:10px}
.network-return{font-size:12px}
.network-focus-trail b{margin:0 6px}
.network-scene-caption{font-size:11px}
.network-scene-caption>small{font-size:9px}
.network-scene-footer{font-size:9px;gap:11px}
.network-scene-footer>small{font-size:9px;margin-top:0}
.network-local-map .local-node-label{font-size:26px}
.network-local-map .local-peer-label{font-size:16px}
.network-local-map .local-relation-label{font-size:13px}
.network-ambient{object-position:40% top;opacity:.12}
.learning-network:fullscreen.node-detail-mode .network-workspace{min-height:0;flex:none}
.learning-network:fullscreen.node-detail-mode{overflow:auto}
.node-detail-mode .network-node-overview h3{font-size:22px}
.network-detail-grid h4{font-size:13px}
.network-related>button{font-size:13px;min-height:40px}
.network-missing{font-size:11px}
.network-question-preview>p{font-size:16px}}
@media(prefers-reduced-motion:no-preference){.node-detail-mode .network-reading-pane{animation:network-reading-enter .24s ease-out}
.node-detail-mode .network-local-map{animation:network-reading-enter .32s ease-out}
@keyframes network-reading-enter{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:800px){.network-ambient{opacity:.05;filter:grayscale(.4) blur(.6px)}
.network-reading-pane{order:-1}
.network-focus-scene{height:270px}
.network-local-map .local-peer-label{font-size:20px}
.network-local-map .local-node-label{font-size:30px}
.network-local-map .local-relation-label{font-size:17px}}
html,body{background:#FFFFFF;color:#252525;font-family:MiSans,"Microsoft YaHei",sans-serif}
main{padding:20px;max-width:1660px}
.panel{border:1px solid #ddd;background:#fff}
.learning-network{border-top:5px solid #0065BD}
.mini-label{color:#252525;font-weight:700;font-size:16px;letter-spacing:0}
.network-heading h2{font-weight:600;color:#252525}
.network-workspace{border-color:#ddd;background:#fff}
.network-canvas-wrap{background:radial-gradient(ellipse at 45% 45%,#f7f7f7 0,#fff 80%)}
.network-stages{border-color:#ddd;background:#f0f0f0}
.network-stages button.active{background:#FFD100;color:#252525;box-shadow:none}
.network-book-label select,.network-search>input,.network-results,.button,.network-zoom{background:#fff;border-color:#ddd;color:#252525}
.network-count,.network-hint,.network-inspector,.network-node-type,.network-inspector h4,.network-related small,.network-focus-trail,.network-focus-book,.network-scene-caption,.network-disclaimer{color:#666}
.network-inspector h3,.network-return,.network-local-map text,.network-related>button,.network-results>button,.network-inspector details>button{color:#252525;fill:#252525}
.network-discover{gap:5px;margin-top:18px}
.network-discover button{background:#fff;border-color:#ddd;color:#252525;padding:9px 12px;display:flex;justify-content:space-between}
.network-discover button:hover,.network-book-chips button:hover{background:#FFD100}
.network-book-chips button{background:#f0f0f0;color:#252525;border-color:#ddd}
.network-inspector{background:#ffffffd9;border-color:#ddd}
.network-options input{accent-color:#252525}
.network-options [hidden]{display:none}
.network-workspace .network-ambient{filter:grayscale(1);opacity:.07}
button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline-color:#252525}
.network-inspector details>summary{color:#666}
.network-node-overview h3{font-weight:600}
.network-focus-heading{border-color:#ddd}
.network-detail-grid>section{border-color:#ddd}
.network-related b{color:#666}
.network-local-map .local-relation-label{fill:#666}
.network-local-map .local-node-label{fill:#252525}
.network-scene-footer{color:#666}
.node-detail-mode .network-workspace{background:#F7F7F7;border-color:#DDD}
.network-reading-pane{background:rgba(255,255,255,.97);border:1px solid #DDD;box-shadow:0 12px 35px rgba(0,0,0,.035)}
.network-local-map .local-peer-label,.network-local-map .local-node-label{stroke:#F7F7F7}
.network-local-map text,.node-detail-mode .network-node-overview h3{fill:#252525;color:#252525}
.network-legend{background:rgba(255,255,255,.94);color:#666666;border:1px solid #E5E5E5;padding:8px 10px;border-radius:6px}
.network-workspace .network-ambient{opacity:.035}
.network-inspector h3,.network-reading-pane button,.network-detail-grid h4{color:#252525}
html,body{margin:0;height:100%;background:#fff}
main{max-width:none;padding:0;height:100%}
.learning-network{padding:14px 18px;min-height:100svh;height:100svh;display:flex;flex-direction:column;border:0;border-radius:0}
.network-heading{display:none}
.network-toolbar{margin:0 0 10px;gap:10px}
.network-stages{display:none}
.network-options{margin-bottom:10px}
.network-workspace{height:0;min-height:240px;flex:1;border-radius:4px;grid-template-columns:minmax(0,1fr) 230px}
.network-inspector{padding:16px 14px}
.network-welcome h3{font-size:17px}
.network-discover{gap:4px;margin-top:14px}
.network-discover button{font-size:11px;padding:7px 9px}
.network-count{font-size:10px}
.network-focus-heading{padding-bottom:10px;min-height:43px}
.node-detail-mode .network-workspace{height:0;min-height:240px;flex:1;border-radius:4px}
.node-detail-mode .network-inspector{grid-template-columns:minmax(0,1fr) 280px;padding:16px;height:100%}
.network-reading-pane{padding:18px 16px}
.network-local-map svg{font-family:MiSans,sans-serif}
.network-legend{font-size:9px;gap:8px;padding:6px}
.network-canvas-wrap canvas:focus-visible{outline-offset:-4px}
.network-focus-book{display:none}
@media(max-width:700px){.learning-network{padding:12px}
.network-toolbar{grid-template-columns:minmax(0,1fr);margin:0 0 9px}
.network-book-label{grid-template-columns:28px minmax(0,1fr)}
.network-search{min-width:0}
.network-count{font-size:9px}
.network-workspace{display:block;position:relative;min-height:280px;height:auto;flex:1}
.network-canvas-wrap{height:100%;min-height:280px}
.network-workspace>.network-inspector{display:none}
.network-legend{font-size:8px;max-width:calc(100% - 20px);bottom:55px;left:9px;gap:7px}
.network-zoom{right:9px}
.network-hint{font-size:9px;top:10px}
.node-detail-mode .network-workspace{overflow:auto;display:block;flex:1;height:auto;min-height:280px}
.node-detail-mode .network-inspector{display:flex;height:auto;padding:14px;overflow:visible}
.node-detail-mode .network-reading-pane{order:0;width:100%;max-height:none;padding:16px}
.node-detail-mode .network-focus-scene{order:1;height:280px}
.network-return{font-size:12px}
.network-focus-trail{font-size:10px}
.network-focus-heading{gap:12px}
.node-detail-mode .network-node-overview h3{font-size:20px}}
html,body{background:#f0f0f0;color:#252525}
main{max-width:none;margin:0;padding:0!important}
.learning-network{border:0;border-radius:0;background:#f0f0f0;padding:24px clamp(22px,3vw,56px);overflow:hidden;min-height:var(--host-screen,780px)}
.network-heading{margin:0 0 16px}
.network-heading h2{font-size:23px;font-weight:600;color:#252525;margin:0}
.network-heading-actions{display:flex;gap:20px;align-items:center}
.independent-link{font-size:12px;color:#252525;text-decoration:none}
.network-heading-actions .button{font-size:12px;min-height:40px;background:#fff;color:#252525;border:1px solid #bdbdbd}
.network-toolbar{gap:14px;margin:14px 0 12px}
.network-stages{background:#e4e4e4;border:0;box-shadow:none}
.network-stages button{color:#252525;min-height:40px}
.network-stages button.active{color:#252525;background:#FFD100;box-shadow:none;font-weight:500}
.network-book-label{color:#252525;white-space:nowrap}
.network-book-label select{background:#fff;border:1px solid #bdbdbd;color:#252525;max-width:230px;min-height:42px}
.network-book-label optgroup{font-weight:700;color:#252525}
.network-book-label option{font-weight:400}
.network-search{min-width:180px}
.network-search>input{border:1px solid #bdbdbd;background:#fff;color:#252525;min-height:42px}
.network-options{margin-bottom:12px}
.network-workspace{height:max(470px,calc(var(--host-screen,900px) - 194px));border-color:#bdbdbd;background:#f0f0f0}
.network-canvas-wrap{background:#f0f0f0!important}
.network-inspector{background:#f0f0f0!important}
.network-empty{color:#252525}
.node-detail-mode .network-workspace{height:max(600px,calc(var(--host-screen,900px) - 120px))}
.network-reading-pane{background:#fff!important}
.learning-network:fullscreen{min-height:100%;padding:22px}
.learning-network:fullscreen .network-workspace{height:auto;flex:1}
.network-count{color:#666}
@media(max-width:1100px){.network-search{flex-basis:240px}
.network-toolbar{gap:10px}
.network-workspace{height:max(470px,calc(var(--host-screen,900px) - 244px))}}
@media(max-width:700px){.learning-network{padding:20px 16px;min-height:0}
.network-heading{gap:12px;align-items:center}
.network-heading h2{font-size:20px}
.network-heading-actions{gap:10px}
.network-heading-actions .button{font-size:10px;padding:8px;min-height:38px}
.independent-link{font-size:10px}
.network-toolbar{display:grid;grid-template-columns:1fr;margin:16px 0 12px}
.network-stages{grid-column:1/-1}
.network-book-label{grid-template-columns:32px minmax(0,1fr)}
.network-book-label select{width:100%;max-width:none}
.network-search{width:100%;min-width:0}
.network-workspace{height:auto}
.network-inspector{max-height:300px}
.network-count{width:100%;font-size:10px}
.node-detail-mode .network-inspector{max-height:none}
.learning-network:fullscreen .network-workspace{height:auto;flex:none}
.learning-network:fullscreen .network-canvas-wrap{height:55svh}}
html,body,main{height:auto}
.learning-network{height:auto}
.network-heading{display:flex}
.network-stages{display:flex}
.network-workspace{flex:none}
.node-detail-mode .network-workspace{flex:none}
@media(max-width:700px){.network-canvas-wrap{height:480px}
.network-workspace{height:auto;flex:none}
.node-detail-mode .network-inspector{height:auto;min-height:850px}
.node-detail-mode .network-workspace{min-height:850px}}
.network-workspace{display:block;height:max(650px,calc(var(--host-screen,900px) - 190px));position:relative}
.network-canvas-wrap{height:100%;min-height:650px}
.network-workspace>.network-inspector{display:none}
.module-rail{position:absolute;left:18px;right:18px;z-index:2;display:flex;align-items:flex-start;gap:14px;pointer-events:none}
.module-rail[hidden]{display:none}
.module-rail-junior{top:17px}
.module-rail-senior{bottom:47px}
.module-stage-name{font-size:11px;font-weight:500;color:#666;min-width:25px;padding:8px 0}
.module-items{display:flex;justify-content:center;gap:7px 9px;flex-wrap:wrap;flex:1}
.module-items button{pointer-events:auto;font:500 12px/1.5 MiSans,sans-serif;color:#252525;background:#f0f0f0;border:1px solid #bdbdbd;border-radius:4px;padding:7px 11px;min-height:34px;cursor:pointer}
.module-items button.is-active,.module-items button:focus-visible{background:#FFD100;border-color:#252525;color:#252525}
.module-items button.is-dim{opacity:.25}
.module-items button:focus-visible{outline:2px solid #252525;outline-offset:3px}
.network-hint{top:auto;bottom:16px;font-size:9px}
.network-legend{bottom:12px;left:270px;right:140px;max-width:none;justify-content:center;pointer-events:none;background:transparent;border:0}
.node-detail-mode .network-workspace{height:max(650px,calc(var(--host-screen,900px) - 120px))}
.node-detail-mode .network-workspace>.network-inspector{display:grid;grid-template-columns:minmax(0,1fr) 350px}
.learning-network:fullscreen .network-workspace{flex:1}
.learning-network:fullscreen .network-canvas-wrap{height:100%}
@media(max-width:700px){.network-workspace{height:1100px}
.network-canvas-wrap{height:1100px;min-height:1100px}
.module-rail{left:10px;right:10px;gap:7px}
.module-stage-name{font-size:10px;min-width:20px}
.module-items{gap:7px 6px}
.module-items button{font-size:11px;padding:7px 9px;min-height:34px}
.network-legend{left:10px;right:110px;bottom:34px;justify-content:flex-start}
.network-hint{bottom:13px}
.node-detail-mode .network-workspace>.network-inspector{display:flex;flex-direction:column;min-height:850px}
.node-detail-mode .network-focus-scene{height:300px;min-height:300px}
.learning-network:fullscreen .network-canvas-wrap{height:1100px}}
@media(max-width:700px){.network-workspace{height:760px}
.network-canvas-wrap{height:760px;min-height:760px}
.learning-network:fullscreen .network-canvas-wrap{height:760px}
.node-detail-mode .network-workspace{height:auto;min-height:850px}}
.module-rail{justify-content:center;gap:10px}
.module-items{flex:0 1 auto;width:max-content;max-width:calc(100% - 40px);justify-content:flex-start}
.module-stage-name{flex:0 0 auto;min-width:auto}
.module-rail-junior .module-items button{border-color:#FF5800}
.module-rail-senior .module-items button{border-color:#0065BD}
.module-rail-junior .module-items button.is-active,.module-rail-junior .module-items button:focus-visible{border-color:#FF5800}
.module-rail-senior .module-items button.is-active,.module-rail-senior .module-items button:focus-visible{border-color:#0065BD}
@media(max-width:700px){.module-items{max-width:calc(100% - 32px)}}
.network-legend i.legend-chapter{width:10px;height:10px;border-radius:0;background:#666666}
.network-legend i.legend-section{width:5px;height:5px;transform:rotate(45deg);border-radius:0;background:#666666;margin:1px}
.network-legend i.legend-knowledge{width:4px;height:4px;border-radius:50%;background:#00AF3F;outline:none}
.network-legend i.legend-exercise{width:4px;height:4px;border-radius:50%;background:#999999}
.node-marker.marker-square{border-radius:0;width:10px;height:10px}
.node-marker.marker-diamond{border-radius:0;width:5px;height:5px;transform:rotate(45deg);margin:1px}
.node-marker.marker-circle{width:4px;height:4px;border-radius:50%}
.network-local-map g[role=button]:focus [data-node-shape]{stroke:#252525;stroke-width:2}
.network-stages button.active{background:#00AF3F;color:#252525}
.network-legend i.legend-knowledge,.network-legend i.legend-exercise{outline:none;border:0;width:4px;height:4px}
.module-rail .module-items button,.module-rail .module-items button.is-active,.module-rail .module-items button:focus-visible{border-color:#00AF3F}
.module-stage-name{font-size:13px;font-weight:600;color:#252525;padding:7px 0}
.module-items{max-width:calc(100% - 44px)}
.network-legend i.legend-section,.node-marker.marker-diamond{width:5.656854px;height:5.656854px;transform:rotate(45deg);border-radius:0;margin:1.171573px}
@media(max-width:700px){.module-stage-name{font-size:12px;font-weight:600;color:#252525;min-width:24px}
.module-items{max-width:calc(100% - 38px)}}
.network-heading{align-items:flex-start}
.network-heading-copy{min-width:0}
.network-heading .network-static-counts{margin-top:10px}
.network-heading .network-static-counts p{font:400 12px/1.9 MiSans,sans-serif;margin:0;color:#666}
.network-heading-actions{padding-top:2px}
.module-filter-group{display:flex;align-items:center;gap:15px;min-width:0}
.question-toggle{display:inline-flex;gap:6px;align-items:center;font-size:12px;color:#252525;white-space:nowrap;min-height:42px}
.question-toggle input{accent-color:#00AF3F;margin:0;width:14px;height:14px}
.network-options[hidden]{display:none}
.network-toolbar{margin-bottom:18px}
@media(max-width:700px){.network-heading{display:block}
.network-heading-actions{margin-top:12px;justify-content:flex-end}
.network-heading .network-static-counts p{font-size:10px;line-height:1.9}
.question-toggle{font-size:11px}
.module-filter-group .network-book-label{min-width:0}}
.node-detail-mode .network-book-chips button{color:#252525;background:#f0f0f0;border:1px solid #bdbdbd;font-size:11px;font-weight:400;line-height:1.7;padding:4px 8px}
.node-detail-mode .network-book-chips button:hover{background:#00AF3F;color:#252525;border-color:#00AF3F}
.node-detail-mode .network-book-chips button:focus-visible{outline:2px solid #252525;outline-offset:2px}
.network-local-map .local-children-heading{font-size:12px;font-weight:500;fill:#666666}
.network-detail-grid .reading-children-heading{font-size:10px;line-height:1.6;color:#666;margin:0 0 10px}
.network-local-map .local-parent-heading,.network-local-map .local-children-heading{font-size:12px;font-weight:500;fill:#666666;letter-spacing:1px}
.network-book-chips{align-items:center}
.network-book-chips .path-separator{font:500 12px/1 MiSans,sans-serif;color:#666;padding:0 3px}
.module-rail-senior{bottom:72px}
.network-legend{bottom:12px}
.relation-tools{display:flex;align-items:center;gap:14px;width:100%;font-size:12px}
.relation-tools .button{min-height:36px;padding:6px 14px;border-color:#bdbdbd}
.relation-tools label{display:flex;align-items:center;gap:6px}
.relation-tools input{accent-color:#00AF3F}
.module-relations{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;overflow:hidden}
.module-relations>path{pointer-events:stroke;cursor:pointer}
.module-relations>path:hover{stroke-opacity:.9;stroke-width:2}
.network-zoom,.network-legend,.network-hint{z-index:3}
.module-relation-panel{position:absolute;z-index:6;top:88px;right:18px;width:370px;max-width:calc(100% - 36px);max-height:calc(100% - 175px);overflow:auto;background:#fff;border:1px solid #bdbdbd;border-radius:5px;padding:18px;box-shadow:0 5px 22px #25252516;overscroll-behavior:contain}
.module-relation-panel[hidden]{display:none}
.module-relation-panel header{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid #ddd;padding-bottom:12px;margin-bottom:12px}
.module-relation-panel header h3{font-size:16px;font-weight:600;margin:0;color:#252525}
.module-relation-panel header button{width:36px;height:36px;border:0;background:#f0f0f0;font:24px MiSans;cursor:pointer}
.module-pair-link{width:100%;display:flex;flex-direction:column;gap:6px;background:transparent;border:0;border-bottom:1px solid #ddd;text-align:left;padding:13px 0;font:400 12px/1.7 MiSans;color:#252525;cursor:pointer}
.module-pair-link:hover{background:#f0f0f0}
.module-pair-link small{font-size:11px;color:#666}
.relation-back{border:0;background:none;color:#252525;font:400 12px MiSans;padding:6px 0;cursor:pointer}
.relation-pair-title{font:500 15px/1.8 MiSans;color:#252525}
.relation-note{font:400 11px/1.9 MiSans;color:#666;margin:10px 0}
.relation-evidence{border-top:1px solid #ddd;padding:12px 0}
.relation-evidence>p:not(.relation-strength){font:400 11px/1.8 MiSans;color:#666}
.relation-strength{font-size:11px;color:#252525;margin:0}
.evidence-arrow{display:block;text-align:center;color:#999;line-height:1}
.semantic-node-link{display:flex;align-items:center;gap:8px;width:100%;text-align:left;min-height:44px;padding:9px 3px;border:0;background:transparent;color:#252525;font:400 12px/1.7 MiSans;cursor:pointer}
.semantic-node-link:hover{background:#f0f0f0}
.semantic-node-link>i{width:4px;height:4px;border-radius:50%;flex:none;outline:0;border:0}
.semantic-node-link>span{flex:1;min-width:0;overflow-wrap:anywhere}
.semantic-node-link small{display:block;font-size:10px;color:#666;line-height:1.8}
.semantic-node-link>em{font-style:normal;color:#666;font-size:9px;flex:none}
.semantic-node-link>b{font:400 17px MiSans;color:#666}
.semantic-node-link:focus-visible{outline:2px solid #252525;outline-offset:2px}
.semantic-relation-item>p{margin:0 0 8px;padding-left:15px;color:#666;font:400 10px/1.8 MiSans}
.semantic-pane .network-detail-grid h4{color:#252525;font-size:12px;letter-spacing:0}
.semantic-pane .network-detail-grid h4 span{font-size:10px;color:#666}
.same-section{margin-top:20px;border-top:1px solid #ddd;padding-top:13px}
.same-section>summary{font-size:12px;cursor:pointer;min-height:34px;line-height:34px}
.same-section h4{font-size:12px;font-weight:500}
.semantic-scene{min-width:0}
.semantic-map{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.semantic-map svg{width:100%;height:100%;max-height:650px;font-family:MiSans,sans-serif;overflow:visible}
.semantic-peer-label{font-size:15px;fill:#252525;paint-order:stroke;stroke:#f0f0f0;stroke-width:4px;stroke-linejoin:round}
.semantic-central-label{font-size:23px;font-weight:600;fill:#252525;paint-order:stroke;stroke:#f0f0f0;stroke-width:5px}
.semantic-group-label{font-size:13px;fill:#666;font-weight:500}
.semantic-edge-label{font-size:11px;fill:#666}
.semantic-ancestry{font-size:14px;fill:#666}
.semantic-map g[role=button]{cursor:pointer}
.semantic-map g[role=button]:hover text,.semantic-map g[role=button]:focus text{font-weight:600}
.semantic-map g[role=button]:focus{outline:2px solid #252525;outline-offset:4px}
.semantic-graph-note{font:400 10px/1.9 MiSans;color:#666;text-align:center;margin:0;padding:8px 10px}
.semantic-mobile-map{display:none}
.node-detail-mode .semantic-pane{scrollbar-color:#bdbdbd transparent}
.node-detail-mode .network-workspace>.network-inspector{overflow:hidden}
.network-focus-heading{flex-wrap:wrap}
.network-focus-heading .network-return{font-size:12px}
.network-inspector .semantic-pane h3{color:#252525}
.node-detail-mode .module-relation-panel{display:none}
@media(max-width:800px){.node-detail-mode .network-workspace>.network-inspector{overflow:visible}
.semantic-map{display:none}
.semantic-mobile-map{display:block;width:100%;background:#fff;padding:16px;border:1px solid #ddd}
.node-detail-mode .semantic-scene{order:0!important;height:auto;min-height:0;width:100%}
.node-detail-mode .semantic-pane{order:1!important;width:100%;overflow:visible}
.semantic-mobile-centre{font-size:11px;color:#666;margin:0 0 16px;border-bottom:1px solid #ddd;padding-bottom:15px}
.semantic-mobile-centre strong{display:block;font-size:21px;font-weight:600;color:#252525;line-height:1.6;margin-top:8px}
.semantic-mobile-map section{border-top:1px solid #ddd;padding:12px 0}
.semantic-mobile-map h4{font-size:13px;color:#252525;margin:0 0 6px;display:flex;justify-content:space-between;font-weight:500}
.semantic-mobile-map h4 span{color:#666;font-size:11px}
.semantic-mobile-map section>small{color:#666;font-size:10px}
.semantic-node-link{font-size:13px;min-height:44px}
.semantic-peer-label{font-size:16px}
.network-focus-heading{gap:5px 18px}
.network-focus-trail{width:100%}
.relation-tools{gap:14px}
.module-relation-panel{right:10px;left:10px;width:auto;max-width:none;top:85px;max-height:calc(100% - 165px);padding:14px}}
.learning-network{padding:32px clamp(22px,5vw,96px);max-width:1920px;margin:auto}
.network-heading{gap:24px;margin-bottom:22px}
.network-heading h2{font-size:clamp(26px,2.5vw,36px);line-height:1.4;letter-spacing:-.5px}
.network-heading .network-purpose{font-size:15px;line-height:1.8;margin:10px 0 0;color:#252525}
.network-heading .network-static-counts{margin-top:12px}
.network-heading .network-static-counts p{font-size:12px;line-height:1.9}
.independent-link{font-size:13px;display:inline-flex;min-height:44px;align-items:center;white-space:nowrap}
.network-toolbar{display:flex;align-items:center;gap:20px;margin:0 0 20px;flex-wrap:wrap}
.network-stages button{font-size:13px;min-height:42px;padding:9px 14px}
.network-book-label{font-size:13px}
.network-book-label select{font-size:13px;min-height:44px;max-width:240px}
.module-filter-group{gap:20px}
.network-workspace{height:max(600px,calc(var(--host-screen,900px) - 240px));border-radius:0;border:0}
.network-canvas-wrap{min-height:600px}
.module-rail{left:0;right:0}
.module-items button{min-height:38px;font-size:13px}
.network-zoom{right:0;bottom:10px;background:#fff}
.network-zoom button{width:40px;min-height:40px}
.network-legend{font-size:11px;left:220px;right:150px;bottom:12px}
.network-hint{font-size:11px;bottom:15px;left:0}
.node-detail-mode .network-workspace{min-height:650px}
.node-detail-mode .network-workspace>.network-inspector{grid-template-columns:minmax(0,1fr) 350px}
@media(max-width:1100px){.network-toolbar{gap:14px}
.network-book-label select{max-width:200px}
.network-stages button{padding-left:11px;padding-right:11px}
.module-filter-group{gap:14px}}
@media(max-width:800px){.node-detail-mode .network-workspace>.network-inspector{display:flex;flex-direction:column;overflow:visible;height:auto;min-height:0}
.node-detail-mode .network-workspace{height:auto;min-height:0}
.node-detail-mode .semantic-scene{height:auto;min-height:0}}
@media(max-width:700px){.learning-network{padding:26px 16px}
.network-heading{margin-bottom:18px}
.network-heading h2{font-size:25px}
.network-heading .network-purpose{font-size:13px;margin-top:9px}
.network-heading .network-static-counts p{font-size:11px}
.network-heading-actions{margin-top:6px;justify-content:flex-start;padding-top:0}
.independent-link{font-size:12px;min-height:38px}
.network-toolbar{display:grid;grid-template-columns:1fr;gap:12px;margin:0 0 18px}
.network-stages{width:100%;grid-column:auto}
.network-stages button{min-height:44px;font-size:13px;padding:8px 9px}
.network-book-label{display:grid;grid-template-columns:32px minmax(0,1fr);font-size:13px;min-width:0}
.network-book-label select{width:100%;max-width:none;font-size:13px;min-width:0}
.module-filter-group{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}
.question-toggle{font-size:12px;min-height:44px}
.network-workspace{height:700px;min-height:700px}
.network-canvas-wrap{height:700px;min-height:700px}
.network-canvas-wrap canvas{touch-action:pan-y pinch-zoom}
.module-rail{left:0;right:0;gap:7px}
.module-items button{font-size:12px;min-height:38px;padding:7px 8px}
.module-rail-senior{bottom:94px}
.network-legend{left:0;right:0;bottom:57px;font-size:10px;justify-content:flex-start;gap:12px}
.network-hint{font-size:10px;left:0;right:135px;bottom:10px;line-height:1.7}
.network-zoom{right:0;bottom:9px}
.network-zoom button{width:38px;min-height:42px}
.node-detail-mode .network-canvas-wrap{min-height:0}
.node-detail-mode .network-workspace>.network-inspector{min-height:0;padding:0;gap:16px}
.semantic-mobile-map{padding:16px}
.node-detail-mode .semantic-pane{padding:16px}
.semantic-node-link{font-size:14px;min-height:44px}
.network-reading-pane .semantic-relation-item>p{font-size:12px;line-height:1.8}}
.network-heading .network-purpose{font-size:14px;line-height:1.9;max-width:72ch;margin-top:8px;color:#666666;text-wrap:pretty}
@media(max-width:700px){.network-heading .network-purpose{font-size:12px;line-height:1.9}}
.learning-network{padding-top:36px;padding-bottom:28px;min-height:0}
.network-heading{align-items:flex-start;gap:24px;margin-bottom:24px}
.network-heading h2{font-size:clamp(28px,2.6vw,38px);line-height:1.4}
.network-heading .network-purpose{font-size:14px;line-height:1.9;margin-top:12px;max-width:none}
.coverage-stage{display:block}
.network-heading-actions{padding-top:4px;flex:none}
.independent-link{min-height:44px;padding:0 16px;border:1px solid #bdbdbd;border-radius:4px;font-size:13px;font-weight:500;background:#fff;text-decoration:none}
.independent-link:hover{border-color:#252525}
.network-toolbar{display:grid;grid-template-columns:auto minmax(180px,1fr) minmax(290px,1.3fr);gap:24px;align-items:center;padding:18px 0;margin:0;border-top:1px solid #bdbdbd;border-bottom:1px solid #bdbdbd}
.network-stages{width:max-content;display:flex;gap:3px;padding:3px;background:#e4e4e4;border-radius:4px}
.network-stages button{font-size:14px;min-height:44px;padding:9px 15px;border-radius:3px}
.network-book-label{display:flex;align-items:center;gap:10px;font-size:13px;min-width:0}
.network-book-label select{min-height:44px;font-size:14px;width:100%;max-width:none;min-width:0;border-color:#bdbdbd;border-radius:4px}
.module-filter-group{display:grid;grid-template-columns:minmax(150px,1fr) auto;gap:18px;min-width:0}
.question-toggle{font-size:13px;min-height:44px}
.question-toggle input{width:16px;height:16px}
.network-workspace{height:clamp(560px,64svh,700px);min-height:0;margin-top:16px;overflow:visible}
.network-canvas-wrap{height:100%;min-height:0;overflow:hidden}
.network-canvas-wrap canvas{touch-action:pan-y pinch-zoom}
.module-rail{left:0;right:0;gap:12px}
.module-rail-junior{top:10px}
.module-rail-senior{bottom:10px}
.module-items{max-width:calc(100% - 44px);gap:8px}
.module-items button{min-height:40px;font-size:13px;padding:8px 11px}
.module-items button.is-active,.module-items button:focus-visible{background:#00AF3F;color:#252525}
.module-items button.is-related{opacity:1}
.module-stage-name{padding-top:10px;line-height:1.5}
.network-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:16px;padding-top:14px;border-top:1px solid #bdbdbd}
.network-controls .network-hint,.network-controls .network-legend,.network-controls .network-zoom{position:static;inset:auto;margin:0;width:auto;max-width:none;flex:none}
.network-controls .network-hint{font-size:12px;line-height:1.7;color:#666}
.network-controls .network-legend{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-start;align-items:center;font-size:12px;padding:0;background:transparent;border:0}
.network-controls .network-legend>span{min-height:24px}
.network-controls .network-zoom{display:flex;border-color:#bdbdbd;border-radius:4px}
.network-controls .network-zoom button{width:44px;min-height:44px}
.node-detail-mode .network-controls{display:none}
.node-detail-mode .network-workspace{height:auto;min-height:650px;margin-top:0;overflow:visible}
.node-detail-mode .network-workspace>.network-inspector{height:auto;min-height:650px}
.node-detail-mode .semantic-pane{max-height:720px}
.module-relation-panel{top:72px;max-height:calc(100% - 145px)}
@media(max-width:1200px){.network-toolbar{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:14px 24px}
.network-stages{grid-column:1/-1}
.module-filter-group{grid-template-columns:minmax(120px,1fr) auto;gap:14px}
.network-controls{gap:14px;flex-wrap:wrap}
.network-controls .network-hint{flex:1 1 250px}
.network-controls .network-legend{gap:12px}}
@media(max-width:800px){.node-detail-mode .network-workspace,.node-detail-mode .network-workspace>.network-inspector{height:auto;min-height:0}
.node-detail-mode .semantic-pane{max-height:none}}
@media(max-width:700px){.learning-network{padding:26px 18px 24px}
.network-heading{display:block;margin-bottom:18px}
.network-heading h2{font-size:26px;line-height:1.4}
.network-heading .network-purpose{font-size:13px;line-height:1.85;margin-top:10px}
.coverage-stage+.coverage-stage{margin-top:4px}
.network-heading-actions{justify-content:flex-start;margin-top:14px;padding-top:0}
.independent-link{font-size:13px;min-height:42px}
.network-toolbar{grid-template-columns:minmax(0,1fr);gap:12px;padding:16px 0}
.network-stages{width:auto;grid-column:auto}
.network-stages button{flex:1;padding:8px;font-size:13px;min-height:44px}
.network-book-label{display:grid;grid-template-columns:32px minmax(0,1fr);font-size:13px}
.module-filter-group{grid-template-columns:minmax(0,1fr) auto;gap:12px}
.question-toggle{font-size:12px}
.network-workspace{height:820px;min-height:0;margin-top:14px}
.network-canvas-wrap{height:100%;min-height:0}
.module-rail{gap:7px}
.module-stage-name{font-size:12px;min-width:24px;padding-top:10px}
.module-items{max-width:calc(100% - 32px);gap:7px 6px}
.module-items button{font-size:12px;padding:8px;min-height:40px}
.network-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;margin-top:12px;padding-top:12px}
.network-controls .network-legend{grid-column:1/-1;gap:16px;font-size:12px}
.network-controls .network-hint{font-size:11px;min-width:0;flex:none}
.network-controls .network-zoom button{width:42px;min-height:44px}
.node-detail-mode .network-workspace{height:auto;min-height:0}}
.network-controls .network-hint{order:0}
.network-controls .network-legend{order:1}
.network-controls .network-zoom{order:2}
@media(min-width:1201px){.network-toolbar{grid-template-columns:auto minmax(200px,300px) minmax(280px,360px)}}
@media(max-width:700px){.learning-network:not(.node-detail-mode):not([data-stage="all"]) .network-workspace{height:var(--single-stage-height,560px)}
.network-controls .network-legend{order:0;grid-row:1;grid-column:1/-1}
.network-controls .network-hint{order:1;grid-row:2;grid-column:1}
.network-controls .network-zoom{order:2;grid-row:2;grid-column:2}}
@media(min-width:901px){.learning-network:not(.node-detail-mode){height:var(--graph-screen,100svh);min-height:0;display:flex;flex-direction:column;box-sizing:border-box;padding-top:16px;padding-bottom:12px;overflow:visible}
.learning-network:not(.node-detail-mode) .network-heading{flex:none;margin-bottom:12px;gap:20px}
.learning-network:not(.node-detail-mode) .network-heading h2{font-size:clamp(24px,2.2vw,32px);line-height:1.35}
.learning-network:not(.node-detail-mode) .network-heading .network-purpose{font-size:13px;line-height:1.65;margin-top:6px}
.learning-network:not(.node-detail-mode) .coverage-stage{display:inline}
.learning-network:not(.node-detail-mode) .coverage-stage+.coverage-stage{margin-left:12px}
.learning-network:not(.node-detail-mode) .network-heading-actions{padding-top:0}
.learning-network:not(.node-detail-mode) .independent-link{min-height:38px;padding:0 13px}
.learning-network:not(.node-detail-mode) .network-toolbar{flex:none;display:grid;grid-template-columns:max-content minmax(160px,1fr) minmax(250px,1.15fr);gap:16px;padding:8px 0;margin:0}
.learning-network:not(.node-detail-mode) .network-stages{grid-column:auto;width:max-content;padding:2px}
.learning-network:not(.node-detail-mode) .network-stages button{font-size:13px;min-height:40px;padding:8px 12px}
.learning-network:not(.node-detail-mode) .network-book-label{font-size:12px;gap:8px}
.learning-network:not(.node-detail-mode) .network-book-label select{min-height:40px;font-size:13px}
.learning-network:not(.node-detail-mode) .module-filter-group{grid-template-columns:minmax(110px,1fr) auto;gap:12px}
.learning-network:not(.node-detail-mode) .question-toggle{font-size:12px;min-height:40px}
.learning-network:not(.node-detail-mode) .network-workspace{flex:1 1 0;height:auto;min-height:0;margin-top:8px}
.learning-network:not(.node-detail-mode) .network-canvas-wrap{height:100%;min-height:0}
.learning-network:not(.node-detail-mode) .module-rail-junior{top:6px}
.learning-network:not(.node-detail-mode) .module-rail-senior{bottom:6px}
.learning-network:not(.node-detail-mode) .module-items{gap:6px}
.learning-network:not(.node-detail-mode) .module-items button{min-height:34px;padding:6px 9px;font-size:12px}
.learning-network:not(.node-detail-mode) .module-stage-name{padding-top:7px}
.learning-network:not(.node-detail-mode) .network-controls{flex:none;flex-wrap:nowrap;gap:12px;margin-top:8px;padding-top:8px}
.learning-network:not(.node-detail-mode) .network-controls .network-hint{flex:0 1 auto;font-size:11px}
.learning-network:not(.node-detail-mode) .network-controls .network-legend{font-size:11px;gap:12px}
.learning-network:not(.node-detail-mode) .network-controls .network-zoom button{width:36px;min-height:36px}}
.network-explorer{display:contents}
@media(min-width:901px){.learning-network:not(.node-detail-mode){height:auto;display:block;padding-bottom:0}
.learning-network:not(.node-detail-mode) .network-heading{margin-bottom:16px}
.learning-network:not(.node-detail-mode) .network-explorer{display:flex;flex-direction:column;box-sizing:border-box;height:var(--graph-screen,100svh);min-height:0;padding-bottom:12px}
.learning-network:not(.node-detail-mode) .network-explorer .network-toolbar{flex:none}
.learning-network:not(.node-detail-mode) .network-explorer .network-controls{flex:none}}
:root{--vi-yellow:#FFD100;--vi-orange:#FF5800;--vi-blue:#0065BD;--vi-green:#00AF3F;--vi-line:#BDBDBD;--vi-ink:#252525;--vi-paper:#F0F0F0}
.learning-network{max-width:1920px;margin:0 auto;padding:clamp(44px,4vw,64px) clamp(24px,5vw,96px) 28px}
.network-heading{align-items:flex-start;gap:32px;margin-bottom:28px}
.network-heading h2,.learning-network:not(.node-detail-mode) .network-heading h2{font-size:clamp(30px,3vw,44px);line-height:1.35;font-weight:600;letter-spacing:-.8px}
.network-heading .network-purpose,.learning-network:not(.node-detail-mode) .network-heading .network-purpose{font-size:14px;line-height:1.9;margin-top:14px}
.learning-network:not(.node-detail-mode) .network-heading{margin-bottom:28px}
.independent-link,.learning-network:not(.node-detail-mode) .independent-link{border:1px solid var(--vi-line);border-radius:4px;min-height:40px;padding:0 16px;background:#fff;font-size:13px;font-weight:500}
.network-heading-actions{padding-top:4px}
.network-toolbar,.learning-network:not(.node-detail-mode) .network-toolbar{border-color:var(--vi-line)}
.network-stages,.learning-network:not(.node-detail-mode) .network-stages{background:#E4E4E4;border-radius:4px;box-shadow:none}
.network-stages button{border-radius:3px;color:var(--vi-ink)}
.network-stages button.active{background:var(--vi-green);color:var(--vi-ink);box-shadow:none;font-weight:500}
.network-book-label select{border-color:var(--vi-line);border-radius:4px;color:var(--vi-ink);box-shadow:none}
.question-toggle input{accent-color:var(--vi-green)}
.module-rail .module-items button,.module-rail .module-items button.is-active,.module-rail .module-items button:focus-visible{border-color:var(--vi-green);border-radius:4px;color:var(--vi-ink);box-shadow:none}
.module-items button.is-active,.module-items button:focus-visible{background:var(--vi-green)}
.network-controls{border-top-color:var(--vi-line)}
.network-controls .network-zoom{border-color:var(--vi-line);border-radius:4px;box-shadow:none}
.network-controls .network-zoom button{color:var(--vi-ink)}
.network-legend i.legend-knowledge{background:var(--vi-green)}
.network-reading-pane,.semantic-mobile-map{border:1px solid var(--vi-line);border-radius:4px;box-shadow:none;background:#fff}
.node-detail-mode .network-workspace{border:0;border-radius:0;background:var(--vi-paper)}
.node-detail-mode .network-workspace>.network-inspector{border:0;padding:0;gap:32px;background:transparent}
.node-detail-mode .network-node-overview h3{font-size:26px;line-height:1.45;letter-spacing:-.4px}
.node-detail-mode .network-book-chips button{border-radius:3px;box-shadow:none}
.node-detail-mode .network-book-chips button:hover{background:var(--vi-green);border-color:var(--vi-green)}
.semantic-pane .network-detail-grid h4{font-size:14px;line-height:1.6;font-weight:500}
.semantic-node-link{font-size:13px;line-height:1.8;min-height:44px}
.semantic-relation-item>p{font-size:12px;line-height:1.9}
.semantic-node-link small{font-size:11px}
.semantic-group-label{font-size:14px}
.semantic-graph-note{font-size:11px;line-height:1.9}
.module-relation-panel{border-radius:4px;box-shadow:none;border-color:var(--vi-line)}
.network-return{font-weight:500;color:var(--vi-ink)}
button:focus-visible,select:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--vi-ink);outline-offset:3px}
@media(hover:hover){.independent-link:hover{border-color:var(--vi-ink);background:#fff}
.network-zoom button:hover{background:#E4E4E4}}
@media(min-width:901px){.learning-network:not(.node-detail-mode){padding-top:clamp(44px,4vw,64px);padding-bottom:0;height:auto;display:block}
.learning-network:not(.node-detail-mode) .network-explorer{height:var(--graph-screen,100svh);min-height:0;padding-bottom:12px;display:flex;flex-direction:column}
.learning-network:not(.node-detail-mode) .network-explorer .network-workspace{flex:1 1 0;min-height:0}
.learning-network:not(.node-detail-mode) .network-controls{flex:none}}
@media(max-width:800px){.node-detail-mode .network-workspace>.network-inspector{gap:20px}
.node-detail-mode .network-node-overview h3{font-size:24px}}
@media(max-width:700px){.learning-network{padding:32px 22px 28px}
.network-heading h2,.learning-network:not(.node-detail-mode) .network-heading h2{font-size:28px;line-height:1.4;letter-spacing:-.6px}
.network-heading .network-purpose,.learning-network:not(.node-detail-mode) .network-heading .network-purpose{font-size:13px;line-height:1.9;margin-top:12px}
.network-heading,.learning-network:not(.node-detail-mode) .network-heading{margin-bottom:24px}
.network-heading-actions{margin-top:16px}
.independent-link{min-height:42px}
.semantic-pane .network-detail-grid h4{font-size:14px}
.semantic-node-link{font-size:14px}
.semantic-relation-item>p{font-size:12px}}
@media(max-width:360px){.network-heading h2,.learning-network:not(.node-detail-mode) .network-heading h2{font-size:26px}}
.module-rail .module-items button,.module-rail .module-items button.is-active,.module-rail .module-items button:focus-visible{display:inline-flex;align-items:center;gap:7px;border:0;border-radius:0;background:transparent;box-shadow:none;color:#252525;padding:5px 3px;min-height:28px;font-size:12px;line-height:1.35}
.module-symbol{display:block;width:12px;height:14px;flex:0 0 12px;fill:#F0F0F0;stroke-width:1.5}
.module-rail-junior .module-symbol{stroke:#FF5800}
.module-rail-senior .module-symbol{stroke:#0065BD}
.module-name{font-weight:400;white-space:nowrap}
.module-rail-junior .module-items button.is-active .module-symbol,.module-rail-junior .module-items button:focus-visible .module-symbol{fill:#FF5800}
.module-rail-senior .module-items button.is-active .module-symbol,.module-rail-senior .module-items button:focus-visible .module-symbol{fill:#0065BD}
.module-rail .module-items button.is-active .module-name,.module-rail .module-items button:focus-visible .module-name{font-weight:500}
.module-rail .module-items button:focus-visible{outline:2px solid #252525;outline-offset:2px}
.module-items button.is-dim{opacity:.35}
.network-legend i.legend-chapter,.node-marker.marker-square{width:6px;height:6px;border-radius:0}
.network-legend i.legend-section,.node-marker.marker-diamond{width:3.535534px;height:3.535534px;margin:.732233px;transform:rotate(45deg);border-radius:0}
.network-legend i.legend-knowledge,.node-marker.marker-circle{width:3px;height:3px;border:0;outline:none}
.network-legend i.legend-exercise{width:3px;height:3px;background:transparent;border:.8px solid #999999;border-radius:50%;box-sizing:border-box}
.node-marker.marker-hexagon{width:12px;height:14px;border-radius:0;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
@media(hover:hover){.module-rail-junior .module-items button:hover .module-symbol{fill:#FF5800}
.module-rail-senior .module-items button:hover .module-symbol{fill:#0065BD}}
@media(min-width:901px){.learning-network .module-rail{top:8px;bottom:8px;display:flex;flex-direction:column;justify-content:center;gap:8px;pointer-events:none}
.learning-network .module-rail[hidden]{display:none}
.learning-network .module-rail-junior{left:0;right:auto;width:clamp(102px,10vw,132px)}
.learning-network .module-rail-senior{left:auto;right:0;width:clamp(124px,11vw,150px)}
.learning-network .module-stage-name{font-size:13px;font-weight:600;line-height:1.5;padding:0;flex:none}
.learning-network .module-rail-junior .module-stage-name{text-align:right;padding-right:2px}
.learning-network .module-rail-senior .module-stage-name{text-align:left;padding-left:2px}
.learning-network .module-items{display:flex;flex-direction:column;justify-content:space-evenly;gap:2px;width:100%;max-width:none;flex:1;min-height:0}
.learning-network .module-items button{width:100%;min-height:22px;padding:3px 1px;flex:none;font-size:12px}
.learning-network .module-rail-junior .module-items button{flex-direction:row-reverse;text-align:right;justify-content:flex-start}
.learning-network .module-rail-senior .module-items button{flex-direction:row;text-align:left;justify-content:flex-start}
.learning-network .module-rail .module-name{min-width:0}}
@media(max-width:900px){.module-rail .module-items button{padding:6px 3px;min-height:32px}
.module-items{column-gap:10px}}
@media(min-width:901px){.learning-network:not(.node-detail-mode) .module-rail{top:8px;bottom:8px}
.learning-network:not(.node-detail-mode) .module-rail .module-stage-name{padding:0;flex:none}
.learning-network:not(.node-detail-mode) .module-rail .module-items{gap:2px;flex:1;min-height:0;max-width:none}
.learning-network:not(.node-detail-mode) .module-rail .module-items button{min-height:20px;padding:2px 0;font-size:12px;line-height:1.35}}
.learning-network .network-stages button.active,
.learning-network .network-stages button[aria-pressed="true"]{background:#FFD100;color:#252525;box-shadow:none}
.module-rail .module-items button.is-related{opacity:1}
.module-rail .module-items button.is-related .module-name{color:#252525}
.module-relations>path:hover{stroke-opacity:.65;stroke-width:1.2}
@media(max-width:700px){.learning-network{padding:24px 18px}
.learning-network .network-heading,.learning-network:not(.node-detail-mode) .network-heading{margin-bottom:20px}
.learning-network .network-heading h2,.learning-network:not(.node-detail-mode) .network-heading h2{font-size:26px;line-height:1.4;letter-spacing:-.5px}
.learning-network .network-heading .network-purpose,.learning-network:not(.node-detail-mode) .network-heading .network-purpose{font-size:12px;line-height:1.85;margin-top:10px}
.learning-network .network-heading-actions{margin-top:12px}
.learning-network .independent-link{font-size:12px;min-height:38px;padding:0 12px}
.learning-network .network-toolbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;padding:12px 0 14px;align-items:end}
.learning-network .network-stages{grid-row:1;grid-column:1/-1;width:100%;box-sizing:border-box}
.learning-network .network-stages button{min-height:44px;padding:8px;font-size:13px}
.learning-network .module-filter-group{display:contents}
.learning-network .network-toolbar>.network-book-label{grid-column:1;grid-row:2}
.learning-network .module-filter-group>.network-book-label{grid-column:2;grid-row:2}
.learning-network .network-toolbar .network-book-label{display:flex;flex-direction:column;align-items:stretch;gap:6px;min-width:0;font-size:12px;line-height:1.5;white-space:normal}
.learning-network .network-toolbar .network-book-label select{display:block;width:100%;max-width:none;min-width:0;min-height:44px;font-size:13px;padding:8px;box-sizing:border-box;text-overflow:ellipsis}
.learning-network:not(.node-detail-mode)[data-stage="all"] .network-workspace{height:clamp(640px,92svh,740px);min-height:0;margin-top:12px}
.learning-network .module-items{column-gap:10px;row-gap:7px}
.learning-network .module-rail .module-items button{font-size:12px;padding:6px 3px;min-height:32px;line-height:1.35}
.learning-network .network-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 12px;margin-top:12px;padding-top:12px;align-items:center}
.learning-network .network-controls .network-legend{order:0;grid-row:1;grid-column:1;gap:8px;font-size:11px;justify-content:flex-start;min-width:0}
.learning-network .network-controls .network-legend>span{gap:4px;min-height:28px;white-space:nowrap}
.learning-network .network-controls>.question-toggle{order:1;grid-row:1;grid-column:2;justify-self:end;min-height:44px;font-size:12px;gap:6px;white-space:nowrap}
.learning-network .network-controls .network-hint{order:2;grid-row:2;grid-column:1;font-size:11px;line-height:1.75;min-width:0}
.learning-network .network-controls .network-zoom{order:3;grid-row:2;grid-column:2;justify-self:end}
.learning-network .network-controls .network-zoom button{width:40px;min-height:44px}
.learning-network .module-relation-panel{left:8px;right:8px;max-width:none;width:auto;top:68px;max-height:calc(100% - 136px)}
.learning-network.node-detail-mode .network-workspace{height:auto;min-height:0}
.learning-network.node-detail-mode .semantic-pane{padding:16px}
.learning-network .semantic-mobile-map{padding:16px}
.learning-network .semantic-mobile-centre strong{font-size:22px;line-height:1.55;overflow-wrap:anywhere}
.learning-network .semantic-node-link{font-size:14px;min-height:44px;line-height:1.75}}
@media(max-width:360px){.learning-network{padding-left:17px;padding-right:17px}
.learning-network .network-heading h2,.learning-network:not(.node-detail-mode) .network-heading h2{font-size:24px}
.learning-network .network-controls{column-gap:8px}
.learning-network .network-controls .network-legend{gap:6px;font-size:10px}
.learning-network .network-controls>.question-toggle{font-size:11px}}
@media(min-width:361px) and (max-width:700px){.learning-network{padding-left:22px;padding-right:22px}}
.books-editorial .collection-junior .question-tiers .tier-steps{transform:translateY(-4px)}
@media(max-width:700px){.learning-network:not(.node-detail-mode) .network-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;
  column-gap:8px;row-gap:8px;}
.learning-network:not(.node-detail-mode) .network-heading-copy{display:contents}
.learning-network:not(.node-detail-mode) .network-heading-copy h2{grid-column:1;grid-row:1;margin:0;
  font-size:clamp(16px,4.6vw,22px);line-height:1.4;letter-spacing:-.5px;white-space:nowrap;}
.learning-network:not(.node-detail-mode) .network-heading-actions{grid-column:2;grid-row:1;align-self:center;justify-self:end;
  margin:0;padding:0;}
.learning-network:not(.node-detail-mode) .network-heading-actions .independent-link{min-height:44px;padding:0 8px;font-size:11px;}
.learning-network:not(.node-detail-mode) .network-heading .network-purpose{grid-column:1/-1;grid-row:2;margin:0;}}
@font-face{font-family:MiSans;src:url("/20261101-v122/assets/20261101-beabbf02c122db99.woff") format("woff");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:MiSans;src:url("/20261101-v122/assets/20261101-97dc0adea1aee00b.woff") format("woff");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:MiSans;src:url("/20261101-v122/assets/20261101-9be1c7875ce532c2.woff") format("woff");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:MiSans;src:url("/20261101-v122/assets/20261101-ebf11c20d417b8d3.woff") format("woff");font-weight:700;font-style:normal;font-display:swap}
:root{--ui-ink:#252525;--ui-muted:#666666;--ui-rule:#BDBDBD;
 --ui-yellow:#FFD100;--ui-orange:#FF5800;--ui-blue:#0065BD;--ui-green:#00AF3F;
 --ui-title:clamp(42px,3vw,48px);--ui-group:clamp(28px,2.1vw,32px);
 --ui-number:clamp(48px,3.6vw,56px);--ui-body:16px;--ui-note:14px;
 --ui-section-space:clamp(72px,5vw,88px);}
.vi-arrow{display:inline-block;width:20px;height:20px;flex:none;vertical-align:middle;overflow:visible}
.vi-arrow path{stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;fill:none}
@media(max-width:760px){:root{--ui-title:clamp(28px,7.6vw,32px);--ui-group:24px;
 --ui-number:clamp(34px,9.2vw,40px);--ui-body:15px;--ui-note:13px;--ui-section-space:44px}}
.vi-phrase{white-space:nowrap;display:inline-block}
.vi-function-icon{display:block;width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.vi-original-symbol{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important}
.learning-network .network-heading h2,
.learning-network:not(.node-detail-mode) .network-heading h2{font-size:var(--ui-title);line-height:1.35;font-weight:600;letter-spacing:-.025em;white-space:normal;}
.learning-network .network-heading .network-purpose,
.learning-network:not(.node-detail-mode) .network-heading .network-purpose{font-size:14px;line-height:1.75;margin-top:16px}
.learning-network .independent-link,
.learning-network:not(.node-detail-mode) .independent-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;
 font-size:14px;font-weight:500;border-radius:4px;padding:0 14px;}
.learning-network .network-stages button,
.learning-network:not(.node-detail-mode) .network-stages button{font-size:14px;min-height:44px;font-weight:400}
.learning-network .network-stages button.active,
.learning-network .network-stages button[aria-pressed="true"]{font-weight:600;background:#FFD100;color:#252525}
.learning-network .network-toolbar .network-book-label{font-size:13px;font-weight:500}
.learning-network .network-toolbar .network-book-label select{font-size:14px;font-weight:400;min-height:44px;border-radius:4px}
.learning-network .question-toggle{font-size:13px;font-weight:500;min-height:44px}
.learning-network .network-controls .network-hint{font-size:12px;line-height:1.75}
.learning-network .network-controls .network-legend{font-size:12px;line-height:1.7}
.learning-network .network-controls .network-zoom button{width:44px;min-height:44px;font-size:18px}
.learning-network .network-return,.learning-network .relation-back{display:inline-flex;gap:10px;align-items:center;min-height:44px;font-size:14px;font-weight:500}
.learning-network.node-detail-mode .network-node-overview h3{font-size:26px;line-height:1.45;font-weight:600}
.learning-network .semantic-pane .network-detail-grid h4{font-size:15px;font-weight:500;line-height:1.6}
.learning-network .semantic-node-link{font-size:15px;line-height:1.8;min-height:44px}
.learning-network .semantic-node-link small,.learning-network .semantic-relation-item>p{font-size:12px;line-height:1.8}
.learning-network .module-relation-panel header h3{font-size:18px;font-weight:600}
.learning-network .module-relation-panel header button{width:44px;height:44px}
.learning-network .module-pair-link{font-size:14px;line-height:1.8}
.learning-network .module-pair-link small,.learning-network .relation-note{font-size:12px}
.learning-network .relation-pair-title{font-size:16px;font-weight:500}
.learning-network .relation-evidence>p:not(.relation-strength){font-size:13px;line-height:1.8}
.learning-network .relation-strength{font-size:12px;font-weight:500}
.learning-network .network-book-chips button{font-size:12px;line-height:1.7}
@media(max-width:760px){.learning-network .network-heading h2,
 .learning-network:not(.node-detail-mode) .network-heading h2{font-size:var(--ui-title);line-height:1.4;white-space:normal;overflow-wrap:normal}
.learning-network .network-heading .network-purpose,
 .learning-network:not(.node-detail-mode) .network-heading .network-purpose{font-size:13px;line-height:1.75;margin-top:12px}
.learning-network .network-heading-actions .independent-link,
 .learning-network:not(.node-detail-mode) .independent-link{font-size:12px;padding:0 8px;gap:6px}
.learning-network .network-stages button,
 .learning-network:not(.node-detail-mode) .network-stages button{font-size:13px}
.learning-network .network-toolbar .network-book-label select{font-size:14px}
.learning-network.node-detail-mode .network-node-overview h3{font-size:24px}
.learning-network .semantic-node-link{font-size:14px}
.learning-network .network-heading .network-heading-actions{align-self:start;margin-top:0}}
.learning-network:not(.node-detail-mode) .network-controls .network-hint{font-size:12px;line-height:1.75}
.learning-network:not(.node-detail-mode) .network-controls .network-legend{font-size:12px}
.learning-network .network-controls .network-zoom button{display:grid;place-items:center;width:44px;min-height:44px}
.learning-network:not(.node-detail-mode) .network-controls .network-zoom button{width:44px;min-height:44px}
.learning-network .module-relation-panel header button{display:grid;place-items:center}
@media(max-width:760px){.learning-network:not(.node-detail-mode) .network-heading{display:flex;flex-direction:column;align-items:stretch;gap:16px}
.learning-network:not(.node-detail-mode) .network-heading-copy{display:block;width:100%;min-width:0}
.learning-network:not(.node-detail-mode) .network-heading-copy h2{white-space:normal;grid-area:auto}
.learning-network:not(.node-detail-mode) .network-heading .network-purpose{margin-top:16px}
.learning-network:not(.node-detail-mode) .network-heading-actions{align-self:flex-start;margin:0;grid-area:auto}
.learning-network:not(.node-detail-mode) .network-heading-actions .independent-link{font-size:13px;min-height:44px;padding:0 12px;gap:12px}
.learning-network .network-controls{grid-template-columns:minmax(0,1fr) auto;row-gap:12px}
.learning-network .network-controls .network-legend{font-size:12px;gap:8px}
.learning-network .network-controls>.question-toggle{font-size:13px}
.learning-network .network-controls .network-hint{grid-column:1/-1;grid-row:2;font-size:13px;line-height:1.75}
.learning-network .network-controls .network-zoom{grid-column:2;grid-row:3}}
@media(max-width:760px){.learning-network .network-heading .network-heading-actions{display:none}
footer.social-footer .footer-registration{display:grid;grid-template-columns:max-content max-content;align-items:center;justify-content:start;column-gap:clamp(6px,2vw,12px);row-gap:4px;flex-direction:row;text-align:left}
footer.social-footer .footer-registration .footer-company{grid-column:1/-1}
footer.social-footer .footer-registration a{max-width:none;white-space:nowrap}}
@media(max-width:760px){.learning-network:not(.node-detail-mode) .network-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px;padding-top:12px}
.learning-network:not(.node-detail-mode) .network-controls .network-legend{order:0;flex:1 1 calc(100% - 112px);justify-content:flex-start;align-items:center;gap:8px;min-width:0;margin:0;font-size:12px;line-height:1.7}
.learning-network:not(.node-detail-mode) .network-controls>.question-toggle{order:1;flex:0 0 auto;align-self:center;min-height:44px;margin:0;white-space:nowrap}
.learning-network:not(.node-detail-mode) .network-controls:not(:has(>.question-toggle)) .network-legend{flex-basis:100%}
.learning-network:not(.node-detail-mode) .network-controls .network-hint{order:2;flex:1 1 calc(100% - 152px);align-self:center;min-width:0;width:auto;max-width:none;margin:0;font-size:12px;line-height:1.75;color:#666}
.learning-network:not(.node-detail-mode) .network-controls .network-hint .control-hint-phrase{display:inline-block;white-space:nowrap}
.learning-network:not(.node-detail-mode) .network-controls .network-zoom{order:3;flex:0 0 auto;align-self:center;margin:0}
.learning-network:not(.node-detail-mode) .network-controls .network-zoom button{width:44px;min-height:44px}}
.network-touch-label[hidden]{display:none}
.network-touch-label{position:absolute;z-index:12;max-width:calc(100% - 16px);min-height:44px;padding:10px 16px;border:1px solid #bdbdbd;border-radius:4px;background:#fff;color:#252525;font:500 14px/1.65 MiSans,sans-serif;text-align:left;overflow-wrap:anywhere;cursor:pointer;box-shadow:0 3px 12px #25252512}
.network-touch-label:focus-visible{outline:2px solid #252525;outline-offset:2px}
@media(max-width:800px){.learning-network.node-detail-mode .network-focus-scene{order:0!important;width:100%;height:auto;min-height:0}
.learning-network.node-detail-mode .network-reading-pane{order:1!important}
.learning-network.node-detail-mode .semantic-mobile-map{display:block;padding:0;border:0;background:transparent}
.semantic-mobile-map svg{display:block;width:100%;height:auto;overflow:visible;font-family:MiSans,sans-serif;fill:#252525}
.semantic-mobile-map .mobile-group{fill:#666;font-weight:500}
.semantic-mobile-map g[role=button]{cursor:pointer}
.semantic-mobile-map g[role=button]:focus-visible{outline:2px solid #252525}
.learning-network.node-detail-mode .network-scene-caption{flex-wrap:wrap;gap:8px}
.learning-network.node-detail-mode .network-focus-scene:not(.semantic-scene){min-height:300px}
.learning-network.node-detail-mode .network-local-map{min-height:280px}}
@media(max-width:800px){.semantic-mobile-map svg text{paint-order:stroke;stroke:#f0f0f0;stroke-width:4px;stroke-linejoin:round}
.semantic-mobile-map .mobile-current{font-weight:600}}
.learning-network:not(.node-detail-mode) .network-controls .network-hint{font-size:11px}
.relation-group-accent{fill:#FFD100;pointer-events:none}
@media(max-width:760px){.learning-network:not(.node-detail-mode) .network-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center}
.learning-network:not(.node-detail-mode) .network-controls .network-legend{grid-row:1;grid-column:1;min-width:0}
.learning-network:not(.node-detail-mode) .network-controls>.question-toggle{grid-row:1;grid-column:2;justify-self:end}
.learning-network:not(.node-detail-mode) .network-controls .network-hint{grid-row:2;grid-column:1;font-size:10px;line-height:1.75;white-space:normal;min-width:0}
.learning-network:not(.node-detail-mode) .network-controls .network-zoom{grid-row:2;grid-column:2;justify-self:end}}
.learning-network.node-detail-mode .network-controls .network-hint{font-size:11px}
@media(max-width:760px){.learning-network.node-detail-mode .network-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;margin-top:12px;padding-top:12px}
.learning-network.node-detail-mode .network-controls .network-legend{grid-row:1;grid-column:1;justify-content:flex-start;align-items:center;gap:8px;min-width:0;margin:0;font-size:12px;line-height:1.7}
.learning-network.node-detail-mode .network-controls>.question-toggle{grid-row:1;grid-column:2;justify-self:end;align-self:center;min-height:44px;margin:0;font-size:12px;gap:6px;white-space:nowrap}
.learning-network.node-detail-mode .network-controls .network-hint{grid-row:2;grid-column:1;align-self:center;position:static;min-width:0;width:auto;max-width:none;margin:0;font-size:10px;line-height:1.75;white-space:normal}
.learning-network.node-detail-mode .network-controls .network-hint .control-hint-phrase{display:inline-block;white-space:nowrap}
.learning-network.node-detail-mode .network-controls .network-zoom{grid-row:2;grid-column:2;justify-self:end;align-self:center;position:static;margin:0}
.learning-network.node-detail-mode .network-controls .network-zoom button{width:44px;min-height:44px}}
.network-selection-snapshot{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none;background:#f0f0f0}
.network-selection-snapshot>canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
@media(prefers-reduced-motion:no-preference){.vi-reveal-pending{opacity:0;transform:translateY(20px)}
.learning-network.node-detail-mode .network-reading-pane,.learning-network.node-detail-mode .network-local-map{animation:none}
.learning-network .module-items button{transition:opacity 220ms ease,color 180ms ease,border-color 180ms ease,background-color 180ms ease}
.quiet-link .vi-arrow,.footer-top .vi-arrow,.network-return .vi-arrow{transition:transform 170ms ease}
.header-cta,.quiet-link,.footer-top,.network-return,.network-zoom button,.network-stages button,.contact-dialog-close{transition:transform 150ms ease,background-color 150ms ease,color 150ms ease}
.header-cta.vi-is-pressed,.quiet-link.vi-is-pressed,.footer-top.vi-is-pressed,.network-return.vi-is-pressed,.network-zoom button.vi-is-pressed,.network-stages button.vi-is-pressed,.contact-dialog-close.vi-is-pressed{transform:scale(.98)}
body .books-editorial .book-list .book-cover img,body .books-editorial #books-tsinghua .exam-book-cover img{transition:transform 180ms ease}
body .books-editorial .book-list .book-cover.vi-is-pressed img,body .books-editorial #books-tsinghua .exam-book-cover.vi-is-pressed img{transform:scale(.99)}}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){body .books-editorial .book-list .book-cover:hover img,body .books-editorial #books-tsinghua .exam-book-cover:hover img{transform:translateY(-4px)}
.quiet-link:hover .vi-arrow{transform:translateX(3px)}
.footer-top:hover .vi-arrow{transform:translateY(-3px)}
.network-return:hover .vi-arrow{transform:translateX(-3px)}}
@media(max-width:760px){.vi-reveal-pending{transform:translateY(12px)}}
@media(prefers-reduced-motion:reduce){.vi-reveal-pending{opacity:1;transform:none}
.learning-network.node-detail-mode .network-reading-pane,.learning-network.node-detail-mode .network-local-map{animation:none!important}
.network-selection-snapshot{display:none}}