._context_6hpi9_1{color:#142b4c;background:#f2f8ff;border:1px solid #cfe2f5;border-radius:12px;align-items:center;gap:22px;max-width:1440px;margin:12px auto;padding:14px 18px;font-size:14px;display:flex}._context_6hpi9_1 label{margin-bottom:5px;font-weight:750;display:block}._context_6hpi9_1 select{color:#112e50;background:#fff;border:1px solid #aac7e6;border-radius:6px;max-width:100%;min-height:44px;padding:8px}._contextInfo_6hpi9_1{flex-wrap:wrap;align-items:center;gap:4px 16px;display:flex}._contextInfo_6hpi9_1 small{flex-basis:100%}._context_6hpi9_1 a,._lesson_6hpi9_1 a,._register_6hpi9_1 a{color:#0058ce;text-underline-offset:3px;text-decoration:underline}._lesson_6hpi9_1,._register_6hpi9_1{color:#132c4c;max-width:1250px;margin:20px auto 48px;padding:0 22px}._hero_6hpi9_1{color:#fff;background:linear-gradient(110deg,#071d34,#134b70);border-radius:14px;margin-bottom:16px;padding:28px}._hero_6hpi9_1 h1{margin:10px 0;font-size:clamp(26px,4vw,40px);line-height:1.15}._hero_6hpi9_1 p{max-width:85ch}._hero_6hpi9_1 a{color:#9cdfff}._grid_6hpi9_1{grid-template-columns:210px minmax(0,1fr);align-items:start;gap:18px;display:grid}._nav_6hpi9_1{background:#f4f9ff;border:1px solid #d2e3f5;border-radius:10px;padding:14px;position:sticky;top:12px}._nav_6hpi9_1 a{overflow-wrap:anywhere;padding:9px 4px;font-size:14px;display:block}._body_6hpi9_1{min-width:0}._panel_6hpi9_1{background:#fff;border:1px solid #d5e3f3;border-radius:10px;margin:0 0 16px;padding:20px;scroll-margin-top:18px}._panel_6hpi9_1 h2{margin:0 0 12px;font-size:23px;line-height:1.3}._panel_6hpi9_1 h3{margin:12px 0 8px;font-size:18px}._panel_6hpi9_1 p,._panel_6hpi9_1 li{line-height:1.65}._panel_6hpi9_1 ul,._panel_6hpi9_1 ol{padding-left:23px}._panel_6hpi9_1 table{border-collapse:collapse;width:100%;font-size:14px}._panel_6hpi9_1 td,._panel_6hpi9_1 th{text-align:left;border-bottom:1px solid #dbe6f1;padding:10px}._formula_6hpi9_1{background:#edf6ff;border-radius:7px;padding:14px;font-size:19px;font-weight:650;line-height:1.7}._cards_6hpi9_1{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;display:grid}._cards_6hpi9_1>div{background:#f5f9fe;border-radius:8px;padding:14px}._optional_6hpi9_1{background:#faf8ff;border:1px dashed #9182cb;border-radius:10px;margin-bottom:16px;padding:16px}._optional_6hpi9_1 summary{cursor:pointer;min-height:32px;font-weight:750}._optional_6hpi9_1 p{line-height:1.6}._lab_6hpi9_1{grid-template-columns:1fr 1fr;gap:16px;display:grid}._lab_6hpi9_1 label{margin:10px 0;font-size:14px;font-weight:650;display:block}._lab_6hpi9_1 input{width:100%;min-height:36px;display:block}._lab_6hpi9_1 output{background:#e7f3ff;border-radius:10px;padding:16px;line-height:1.9;display:block}._quiz_6hpi9_1 fieldset{border:1px solid #d2e3f4;border-radius:8px;min-width:0;margin:0 0 14px;padding:14px}._quiz_6hpi9_1 legend{max-width:100%;font-weight:700}._quiz_6hpi9_1 label{align-items:center;gap:9px;min-height:44px;padding:5px;display:flex}._quiz_6hpi9_1 input{accent-color:#0066ef}._button_6hpi9_1{color:#fff;cursor:pointer;background:#0066ef;border:0;border-radius:7px;min-height:44px;margin:5px 8px 5px 0;padding:11px 18px;font-weight:650}._button_6hpi9_1:disabled{opacity:.5;cursor:not-allowed}._feedback_6hpi9_1{color:#1c5335;background:#edf8ee;padding:10px}._note_6hpi9_1{background:#f0f6fc;border-left:3px solid #0878e8;padding:12px;font-size:14px}._panel_6hpi9_1 progress{width:100%}._footer_6hpi9_1{flex-wrap:wrap;justify-content:space-between;gap:15px;display:flex}._register_6hpi9_1 details{border:1px solid #d2e3f4;border-radius:6px;margin:8px 0;padding:12px}._register_6hpi9_1 summary{cursor:pointer;font-weight:700}._register_6hpi9_1 pre{white-space:pre-wrap;overflow-wrap:anywhere}._context_6hpi9_1 :focus-visible,._lesson_6hpi9_1 :focus-visible,._register_6hpi9_1 :focus-visible{outline-offset:3px;outline:3px solid #f09412}@media (width<=760px){._context_6hpi9_1{margin:8px;padding:12px;display:block}._contextInfo_6hpi9_1{margin-top:9px;font-size:12px}._context_6hpi9_1 select{width:100%}._grid_6hpi9_1{display:block}._nav_6hpi9_1{margin-bottom:14px;position:static}._nav_6hpi9_1 a{padding:10px;display:inline-block}._lesson_6hpi9_1,._register_6hpi9_1{padding:0 12px}._hero_6hpi9_1{padding:20px}._panel_6hpi9_1{padding:15px}._lab_6hpi9_1{grid-template-columns:1fr}._panel_6hpi9_1 table{font-size:12px}._panel_6hpi9_1 td,._panel_6hpi9_1 th{padding:7px}._panel_6hpi9_1 h2{font-size:21px}}._scope_6hpi9_2{color:#132c4c;overflow-wrap:anywhere;background:#f4f9ff;border:1px solid #a9c7e5;border-radius:12px;max-width:1250px;margin:16px auto;padding:20px}._scope_6hpi9_2 h2,._scope_6hpi9_2 h3{margin:0 0 10px}._scope_6hpi9_2 p{line-height:1.6}._scope_6hpi9_2 a,._sectionScope_6hpi9_2 a{color:#0058ce;text-decoration:underline}._objectives_6hpi9_2 details{color:#132c4c;background:#fff;border:1px solid #c7d9ec;border-radius:7px;margin:8px 0;padding:12px}._objectives_6hpi9_2 summary{cursor:pointer;line-height:1.6}._objectives_6hpi9_2 summary span{font-weight:750}._objectives_6hpi9_2 summary small{color:#375777;display:block}._objectives_6hpi9_2 p{font-size:14px;line-height:1.65}._sectionScope_6hpi9_2{color:#132c4c;background:#eaf4ff;border-left:4px solid #116cbb;border-radius:6px;margin:0 0 18px;padding:14px;font-size:14px;line-height:1.6}._sectionScope_6hpi9_2 p{margin:8px 0}._year_6hpi9_2{margin-top:12px;font-size:14px;display:block}._year_6hpi9_2 select{color:#132c4c;background:#fff;border:1px solid #aac7e6;border-radius:6px;max-width:100%;min-height:44px;padding:8px;display:block}._panel_6hpi9_1 input,._panel_6hpi9_1 select{color:#132c4c;background:#fff;border:1px solid #aac7e6;border-radius:6px;max-width:100%;min-height:44px;margin:6px 14px 6px 0;padding:8px}