.chapter01-entry{display:block;background:#dfe9d6;border:1px solid #cad9c0;border-radius:9px;padding:13px 12px;margin:0 0 11px;width:100%;text-align:left;color:var(--green);font-weight:650;font-size:12px;line-height:1.6}.chapter01-entry small{display:block;font-size:10px;font-weight:400;color:var(--muted)}.chapter01-tree{margin:1px 0 12px 17px;padding-left:9px;border-left:1px solid #cedbc5;display:flex;flex-direction:column;gap:3px}.chapter01-tree .chapter-button{padding:8px 7px;border-radius:6px;gap:6px}.chapter01-tree .chapter-label{font-size:10px;line-height:1.7;font-weight:500}.chapter01-tree .chapter-number{font-size:9px}.chapter01-tree .chapter-label small{font-size:8px}.c01-page-index{display:flex;flex-wrap:wrap;gap:15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px 0;margin-bottom:23px}.c01-page-index .text-button{font-size:11px;color:var(--green)}.c01-section{padding:12px 0 23px;margin:0 0 15px;border-bottom:1px solid var(--line);scroll-margin-top:18px}.c01-section h3{font-size:17px;font-weight:650;margin:5px 0 14px}.c01-section p,.c01-section li{font-size:13px;line-height:1.95;color:#506451}.c01-section ul{padding-left:21px}.c01-concepts{columns:2;column-gap:32px}.c01-concepts li{break-inside:avoid;margin-bottom:8px;padding-right:5px}.c01-lab{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:24px;padding:0 20px 18px;overflow:hidden;min-width:0}.c01-lab-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;padding:19px 0 11px}.c01-lab-head h3{font-size:16px;margin:0;font-weight:650}.c01-caption{font-size:11px;color:var(--muted);line-height:1.85;margin:8px 0}.c01-control-head{display:flex;gap:8px;justify-content:space-between;font-size:11px;align-items:baseline;margin-bottom:7px}.c01-control-head output{font:12px/1.5 Consolas,monospace;color:var(--green);white-space:nowrap}.c01-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px 24px;padding:10px 0 14px}.c01-control{min-width:0}.c01-control input[type=range]{display:block;width:100%;margin:0 0 7px;accent-color:var(--green)}.c01-control .c01-number{display:block;margin-left:auto;width:72px;max-width:100%;padding:3px 6px;font:11px/1.6 Consolas,monospace;color:var(--green);border:1px solid #d6dfce;border-radius:4px;background:#fafcf6}.c01-control input[aria-invalid=true],.c01-matrix-grid input[aria-invalid=true]{border-color:var(--red);outline:1px solid var(--red)}.c01-actions{display:flex;gap:9px;flex-wrap:wrap;padding:8px 0 15px;align-items:center}.c01-actions .text-button{padding:6px 8px}.c01-plot{min-width:0;width:100%;margin:9px 0 16px}.c01-plot-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-height:32px}.c01-coordinate{font:10px/1.6 Consolas,"Microsoft YaHei",monospace;color:var(--muted);flex:1;min-width:140px}.c01-plot-toolbar .text-button{font-size:10px}.c01-chart{display:block;width:100%;min-width:0;background:#fcfdf8;overflow:hidden;touch-action:pan-y;outline:none}.c01-chart:focus{box-shadow:inset 0 0 0 1px #7f9a7a}.c01-chart text{font:10px/1.5 "Segoe UI","Microsoft YaHei",sans-serif;fill:#748472}.c01-chart .grid{stroke:#e3e9dd;stroke-width:1}.c01-chart .axis-label{fill:#5e735f}.c01-legend{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;padding:6px 4px;font-size:10px;line-height:1.6;color:var(--muted)}.c01-legend span{display:flex;gap:6px;align-items:center}.c01-legend i{width:16px;height:2px;flex:none}.c01-math{background:#edf3e6;border:1px solid #dbe5d2;border-radius:8px;padding:11px 15px;margin:11px 0 16px;min-width:0}.c01-math .formula{font-size:14px;max-width:100%;overflow-x:auto;overflow-y:hidden}.c01-math .c01-caption{margin-bottom:2px}.c01-condition{font-size:11px!important;margin-top:-6px!important;color:var(--muted)!important}.c01-step{padding:13px 0;border-top:1px solid var(--line)}.c01-step summary{font-size:13px;color:var(--green);font-weight:600;cursor:pointer}.c01-step p{margin:9px 0 0}.c01-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));margin:12px 0 16px;gap:10px}.c01-metrics>div{padding:9px 11px;background:#f0f4e9;border-radius:6px;min-width:0}.c01-metrics dt{font-size:10px;color:var(--muted);margin-bottom:4px}.c01-metrics dd{font:12px/1.7 Consolas,"Microsoft YaHei",monospace;color:var(--green);margin:0;overflow-wrap:anywhere}.c01-output{min-width:0}.c01-computation{font:12px/1.9 Consolas,"Microsoft YaHei",monospace;overflow-wrap:anywhere;background:#f2f4ed;border-left:3px solid #93ab87;padding:12px 14px;margin:12px 0}.c01-code{border:1px solid var(--line);border-radius:8px;padding:13px 15px;margin:12px 0;background:var(--card);min-width:0}.c01-code summary{font-size:12px;font-weight:600;cursor:pointer;color:var(--green)}.c01-code>.button{margin-top:12px;margin-right:10px}.c01-code pre{overflow:auto;max-width:100%;font:11px/1.8 Consolas,monospace;background:#eef2e8;padding:15px;margin-bottom:0;border-radius:5px;color:#294236;tab-size:4}.c01-quiz form>.button{margin:13px 11px 0 0}.c01-quiz-input{display:flex;flex-direction:column;gap:8px}.c01-choice{font-size:12px;display:flex;gap:8px;align-items:baseline;background:#f8faf2;padding:10px 13px;border:1px solid var(--line);border-radius:6px}.c01-choice input{accent-color:var(--green)}.c01-quiz-number{max-width:200px;padding:9px 11px;border-radius:5px;border:1px solid #bdcfb6;background:var(--card);font:14px/1.6 Consolas,monospace;color:var(--green)}.c01-quiz-feedback{margin-top:15px;font-size:12px;line-height:1.9}.c01-quiz-feedback.correct>strong{color:var(--green)}.c01-quiz-feedback.incorrect>strong{color:var(--red)}.c01-quiz-feedback ol{padding-left:21px}.c01-related{display:flex;flex-wrap:wrap;gap:7px 16px}.c01-related .text-button{color:var(--green);font-size:12px;text-align:left}.c01-references,.c01-p1{border-bottom:1px solid var(--line);padding:15px 0;font-size:11px;line-height:1.9}.c01-references summary,.c01-p1 summary{cursor:pointer;font-size:12px;color:var(--muted)}.c01-references p{margin:7px 0}.c01-p1 ul{padding-left:20px;color:var(--muted)}.c01-vector{width:100%;height:auto;display:block;max-height:390px;background:#fafcf6;touch-action:none}.c01-vector text{font:12px "Segoe UI",sans-serif;fill:#526d58}.c01-vector circle[data-vector]{cursor:grab}.c01-vector circle[data-vector]:active{cursor:grabbing}.c01-matrix-editors{display:grid;grid-template-columns:1fr 1fr;gap:24px}.c01-matrix-editor h4,.c01-data-matrix h4,.c01-output h4{font-size:12px;font-weight:500;margin:10px 0}.c01-matrix-grid{display:grid;gap:6px;padding:11px;border-left:2px solid #a8bba0;border-right:2px solid #a8bba0;border-radius:4px}.c01-matrix-grid input{min-width:0;width:100%;padding:7px 5px;text-align:center;border:1px solid #d4decd;background:#fbfcf7;border-radius:4px;font:13px Consolas,monospace;color:var(--ink)}.c01-matrix-grid input.selected{background:#e2edda;border-color:#9cb58c}.c01-matrix-result{display:grid;gap:7px;max-width:360px;padding:10px;border-left:2px solid #9caf90;border-right:2px solid #9caf90}.c01-matrix-cell{border:1px solid #d5dfcc;border-radius:4px;background:#f7faef;color:var(--green);padding:9px 7px;font:14px Consolas,monospace}.c01-matrix-cell.selected{background:var(--green);color:white;border-color:var(--green)}.c01-error{font-size:12px;line-height:1.9;color:var(--red);overflow-wrap:anywhere}.c01-error:empty{display:none}.c01-mixture-row{padding:12px 0 7px;border-bottom:1px solid var(--line);position:relative}.c01-mixture-row>strong{font-size:11px;font-weight:600}.c01-mixture-row>.text-button{position:absolute;right:2px;top:9px}.c01-mixture-row .c01-controls{padding-bottom:4px}.c01-montage-layout{display:grid;grid-template-columns:minmax(200px,.8fr) minmax(0,1.2fr);gap:17px}.c01-montage{width:100%;min-width:0;max-height:450px;align-self:start;position:sticky;top:20px}.c01-montage text{font:10px "Segoe UI",sans-serif}.c01-electrode{cursor:pointer;outline:none}.c01-electrode:hover circle,.c01-electrode:focus circle{stroke:var(--green);stroke-width:3}.c01-reference-panel{min-width:0}.c01-reference-panel>label{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:11px;margin:8px 0}.c01-reference-panel select{max-width:100%;border:1px solid #becfb4;background:var(--card);border-radius:5px;padding:6px;color:var(--green);font-size:12px}.c01-reference-selection{font-size:11px;color:var(--green);padding:9px 0}.c01-data-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:13px}.c01-data-matrix{min-width:0;max-width:100%;overflow:hidden}.c01-data-scroll{max-width:100%;overflow:auto;border:1px solid var(--line);border-radius:6px}.c01-data-table{border-collapse:collapse;font-size:10px;min-width:100%;white-space:nowrap;text-align:right}.c01-data-table th{padding:7px;background:#eef3e7;font-weight:500;border-bottom:1px solid var(--line)}.c01-data-table td{padding:0;border-bottom:1px solid var(--line)}.c01-data-table th:first-child{position:sticky;left:0;z-index:1;background:#eaf1e1;min-width:53px;text-align:left}.c01-data-value{display:block;width:100%;border:0;background:#fffefa;padding:9px 7px;font:11px Consolas,monospace;color:#4d6854;text-align:right}.c01-data-value:hover{background:#edf3e5}.c01-data-value.selected{background:var(--green);color:white}.c01-data-matrix h4{margin:0 0 11px}.chapter01-content .ask-chapter{margin-top:25px}.chapter01-content .c01-experiment{scroll-margin-top:18px}
@media(min-width:1650px){.c01-data-layout{grid-template-columns:minmax(0,1fr) minmax(0,.9fr)}.c01-data-scroll{max-height:340px}.c01-concepts{columns:2}}
@media(max-width:1450px){.c01-montage-layout{grid-template-columns:1fr}.c01-montage{max-width:420px;margin:0 auto;position:static}.c01-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.c01-concepts{columns:1}}
@media(max-width:850px){.c01-controls{grid-template-columns:repeat(3,minmax(0,1fr))}.c01-montage-layout{grid-template-columns:minmax(180px,.75fr) minmax(0,1fr)}.c01-montage{position:static}.c01-concepts{columns:2}}
@media(max-width:570px){.chapter01-content .title-line h2{font-size:23px}.c01-section{padding-bottom:17px;margin-bottom:12px}.c01-section h3{font-size:15px}.c01-section p,.c01-section li{font-size:12px}.c01-concepts{columns:1}.c01-lab{padding:0 12px 13px;margin-bottom:18px}.c01-lab-head{padding-top:15px}.c01-lab-head h3{font-size:14px}.c01-caption{font-size:10px}.c01-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 15px}.c01-control-head{font-size:10px;gap:5px}.c01-control-head output{font-size:10px}.c01-number{font-size:10px!important;width:65px!important}.c01-metrics{grid-template-columns:1fr 1fr;gap:7px}.c01-metrics>div{padding:7px 8px}.c01-metrics dd{font-size:11px}.c01-math{padding:9px 10px}.c01-math .formula{font-size:12px}.c01-matrix-editors{gap:13px}.c01-matrix-grid{gap:4px;padding:7px}.c01-matrix-grid input{font-size:11px;padding:7px 1px}.c01-montage-layout{grid-template-columns:1fr}.c01-coordinate{font-size:9px}.c01-plot-toolbar{gap:7px}.c01-plot-toolbar .text-button{font-size:9px}.c01-page-index{gap:9px 14px}.c01-page-index .text-button{font-size:10px}.c01-code{padding:11px}.c01-code pre{padding:10px;font-size:10px}.c01-computation{font-size:11px;padding:9px 10px}.c01-choice{padding:8px 10px;font-size:11px}.c01-quiz-number{font-size:16px}.c01-matrix-grid input{font-size:16px}.c01-data-scroll{max-height:290px}.c01-data-value{padding:10px 8px}.chapter01-tree .chapter-label{font-size:11px}}

@media(max-width:850px){.c01-data-layout{grid-template-columns:1fr}}

.c01-legend-toggle{display:inline-flex;align-items:center;gap:5px;border:0;background:transparent;font:inherit;color:inherit;cursor:pointer;padding:4px 6px;border-radius:4px}.c01-legend-toggle[aria-pressed=false]{opacity:.45;text-decoration:line-through}.c01-legend-toggle:focus-visible{outline:2px solid var(--green)}.c01-formula-detail{padding:9px 0 16px;font-size:12px;line-height:1.9}.c01-formula-detail>summary{color:var(--green);cursor:pointer}.c01-control .c01-error{display:block;font-size:10px}.c01-plot-toolbar{flex-wrap:wrap}.c01-quiz-feedback p{font-size:12px}