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Code,monospace;font-size:24px;font-weight:700;line-height:1;display:flex}.Z5SS9a_digitCellSign{width:33px;height:48px;color:var(--calc-text-muted);opacity:.5;-webkit-user-select:none;user-select:none;cursor:pointer;border-radius:4px;justify-content:center;align-items:center;font-family:SF Mono,Fira Code,monospace;font-size:24px;font-weight:700;transition:opacity .15s,color .15s;display:flex}.Z5SS9a_digitCellSign:hover{opacity:.8}.Z5SS9a_digitCellSignActive{color:var(--calc-text-primary);opacity:1}.Z5SS9a_digitInputCorrect .Z5SS9a_digitCell{border-bottom-color:var(--calc-correct)}.Z5SS9a_digitInputCorrect .Z5SS9a_digitCellFilled,.Z5SS9a_digitInputCorrect .Z5SS9a_digitCellDecimal,.Z5SS9a_digitInputCorrect .Z5SS9a_digitCellSign{color:var(--calc-correct)}.Z5SS9a_digitInputWrong .Z5SS9a_digitCell{border-bottom-color:var(--calc-wrong)}.Z5SS9a_digitInputWrong .Z5SS9a_digitCellFilled,.Z5SS9a_digitInputWrong .Z5SS9a_digitCellDecimal,.Z5SS9a_digitInputWrong .Z5SS9a_digitCellSign{color:var(--calc-wrong)}
.y9SYOa_banner{justify-content:center;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-4);border-bottom:1px solid var(--color-warning);color:#92400e;font-size:var(--font-size-sm);background:#ffb56626;display:flex}.y9SYOa_message{text-align:center}.y9SYOa_dismiss{color:#92400e;font-size:var(--font-size-lg);cursor:pointer;padding:0 var(--space-1);background:0 0;border:none;flex-shrink:0;line-height:1}.y9SYOa_dismiss:hover{opacity:.7}
.R7t2Ta_scheme:not(:first-child){break-before:page}.R7t2Ta_head{border-bottom:2.5pt solid var(--ui-ink);padding-bottom:3mm}.R7t2Ta_kicker{letter-spacing:.08em;text-transform:uppercase;font-size:9pt;font-weight:700}.R7t2Ta_title{margin:3mm 0 1mm;font-size:20pt;font-weight:700;line-height:1.2}.R7t2Ta_sub{margin:0;font-size:11pt}.R7t2Ta_table{border-collapse:collapse;width:100%;margin-top:6mm;font-size:9.5pt;line-height:1.4}.R7t2Ta_colQuestion{width:15mm}.R7t2Ta_colMarks{width:14mm}.R7t2Ta_colGuidance{width:48mm}.R7t2Ta_table>*>tr>th,.R7t2Ta_table>*>tr>td{border:.75pt solid var(--ui-ink);text-align:left;vertical-align:top;padding:2mm 2.5mm}.R7t2Ta_table>thead>tr>th{border-bottom-width:2pt;font-weight:700}.R7t2Ta_table thead{display:table-header-group}.R7t2Ta_question{break-inside:auto}.R7t2Ta_row{break-inside:avoid}.R7t2Ta_rowLong{break-inside:auto}.R7t2Ta_label{white-space:nowrap;font-weight:700}.R7t2Ta_table .R7t2Ta_marks{text-align:center;font-weight:700}.R7t2Ta_table .R7t2Ta_totalRow td{text-align:right;border-bottom-width:2pt;padding-top:1.2mm;padding-bottom:1.2mm;font-weight:700}.R7t2Ta_answerCell p,.R7t2Ta_guidance p{margin:0 0 1.5mm}.R7t2Ta_answer{margin-bottom:2mm;font-weight:700}.R7t2Ta_answerLine p{margin:0}.R7t2Ta_points{margin:0;padding-left:4.5mm}.R7t2Ta_points li+li{margin-top:.8mm}.R7t2Ta_answerCell .R7t2Ta_subhead{margin:2mm 0 1mm;font-weight:700}.R7t2Ta_model{border-top:.75pt solid var(--ui-mute);margin-top:2mm;padding-top:1.5mm}.R7t2Ta_answerTable,.R7t2Ta_levels{border-collapse:collapse;margin:0 0 2mm}.R7t2Ta_answerTable th,.R7t2Ta_answerTable td,.R7t2Ta_levels th,.R7t2Ta_levels td{border:.75pt solid var(--ui-ink);text-align:center;padding:1mm 2mm}.R7t2Ta_levels th{white-space:nowrap}.R7t2Ta_levels td{text-align:left}.R7t2Ta_filled{font-weight:700}
._2hDHvW_preview{gap:var(--space-4);flex-direction:column;width:100%;min-width:0;display:flex}._2hDHvW_controls{justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}._2hDHvW_tracks{flex:320px;min-width:0}._2hDHvW_pager{align-items:center;gap:var(--space-3);display:flex}._2hDHvW_count{font-variant-numeric:tabular-nums;text-align:center;min-width:9ch;font-weight:700}._2hDHvW_frame{border:var(--ui-line) solid var(--ui-ink);border-radius:var(--ui-radius);background:var(--ui-surface);height:calc(100dvh - 210px);min-height:520px;position:relative;overflow:hidden}
.fZibQa_writingLineRow{border-bottom:1px solid var(--calc-border);flex:1;align-items:center;gap:6px;min-width:0;padding:2px 0;transition:border-color .15s;display:flex}.fZibQa_writingLineRow:focus-within{border-bottom-color:var(--calc-accent)}.fZibQa_writingLineInput{min-width:0;color:var(--calc-text);flex:1;font-family:SF Mono,Fira Code,monospace;font-size:14px;font-weight:600;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:0!important;outline:none!important;height:auto!important;padding:4px 0!important}.fZibQa_writingLineInput::placeholder{color:var(--calc-text-muted);font-weight:400}.fZibQa_writingLineIcon{width:24px;height:24px;color:var(--calc-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:color .15s,opacity .15s;display:flex}.fZibQa_writingLineIcon:hover:not(:disabled){color:var(--calc-text)}.fZibQa_writingLineIcon:disabled{opacity:.3;cursor:not-allowed}.fZibQa_writingLineRowCorrect,.fZibQa_writingLineRowCorrect:focus-within{border-bottom-color:var(--calc-correct)}.fZibQa_writingLineRowCorrect .fZibQa_writingLineInput{color:var(--calc-correct)}.fZibQa_writingLineRowWrong,.fZibQa_writingLineRowWrong:focus-within{border-bottom-color:var(--calc-wrong)}.fZibQa_writingLineRowWrong .fZibQa_writingLineInput{color:var(--calc-wrong)}
.Vsi7ha_page{gap:var(--space-6);grid-template-columns:minmax(0,1fr) 320px;align-items:start;width:100%;display:grid}.Vsi7ha_card{padding:var(--space-8);background:var(--ui-surface);border:var(--ui-line) solid var(--ui-ink);border-radius:var(--ui-radius);box-shadow:var(--ui-off) var(--ui-off) 0 var(--ui-shadow);color:var(--ui-ink)}.Vsi7ha_head{justify-content:space-between;align-items:flex-start;gap:var(--space-4);padding-bottom:var(--space-4);border-bottom:var(--ui-line) solid var(--ui-ink);display:flex}.Vsi7ha_kicker{font-size:var(--font-size-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--ui-ink-soft);font-weight:700}.Vsi7ha_icon{width:64px;height:64px;margin-top:calc(-1 * var(--space-2));flex-shrink:0;display:block}.Vsi7ha_icon>*{width:100%;height:100%}.Vsi7ha_title{margin:var(--space-5) 0 var(--space-3);font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:700;line-height:1.15}.Vsi7ha_intro{font-size:var(--font-size-lg);margin:0;line-height:1.5}.Vsi7ha_features{margin:var(--space-6) 0;padding:var(--space-4) var(--space-5);background:var(--ui-surface-sunk);border:1.5px solid var(--ix-line-strong);border-radius:var(--ui-radius-sm)}.Vsi7ha_featuresTitle,.Vsi7ha_panelTitle{margin:0 0 var(--space-2);font-size:var(--font-size-xs);letter-spacing:.14em;text-transform:uppercase;font-weight:700}.Vsi7ha_features ul{padding-left:var(--space-5);margin:0;line-height:1.7}.Vsi7ha_launch{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.Vsi7ha_launchNote{font-size:var(--font-size-sm);color:var(--ui-ink-soft)}.Vsi7ha_panel{padding:var(--space-5);background:var(--ui-surface);border:var(--ui-line) solid var(--ui-ink);border-radius:var(--ui-radius)}.Vsi7ha_related{gap:var(--space-1);margin:var(--space-3) 0 0;flex-direction:column;padding:0;list-style:none;display:flex}.Vsi7ha_relatedLink{align-items:center;gap:var(--space-3);padding:var(--space-2);border-radius:var(--ui-radius-sm);color:var(--ui-ink);font-weight:700;text-decoration:none;display:flex}.Vsi7ha_relatedLink:hover{background:var(--ui-accent-soft)}.Vsi7ha_relatedLink:focus-visible{outline:var(--ui-focus-outline)}.Vsi7ha_relatedIcon{flex-shrink:0;width:32px;height:32px;display:block}.Vsi7ha_relatedIcon>*{width:100%;height:100%}@media (max-width:1024px){.Vsi7ha_page{grid-template-columns:minmax(0,1fr)}}@media (max-width:640px){.Vsi7ha_card{padding:var(--space-5)}}
.PAHRnW_wrapper{background:var(--ui-bg);min-height:100vh;display:flex;overflow-x:clip}.PAHRnW_main{z-index:1;background-color:var(--ui-bg);background-image:var(--ui-dots);background-size:var(--ui-dots-size);min-width:0;min-height:100vh;padding-bottom:var(--bottom-nav-height);flex-direction:column;flex:1;display:flex;container:main-content/inline-size}.PAHRnW_contentArea{min-height:calc(100dvh - var(--ui-topbar-height));padding:var(--page-padding-x);flex-direction:column;flex:1;display:flex}.PAHRnW_contentArea[data-no-top-pad]{padding-top:0}
.FW_yNa_countdown{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--ui-ink-soft);margin:0;font-weight:600;display:inline-flex}.FW_yNa_icon{width:18px;height:18px;color:var(--ui-ink);flex-shrink:0}.FW_yNa_time{font-variant-numeric:tabular-nums;color:var(--ui-ink);font-weight:700}
.D2ahYG_card{--qc-title-lh:1.3;--qc-desc-lh:1.45;background:var(--ui-surface);border:var(--ui-line) solid var(--ui-ink);border-radius:var(--ui-radius);width:100%;box-shadow:var(--ui-off) var(--ui-off) 0 var(--ui-shadow);color:var(--ui-ink);flex-direction:column;text-decoration:none;transition:transform .14s,box-shadow .14s;display:flex;overflow:hidden}.D2ahYG_card:hover{box-shadow:calc(var(--ui-off) + 2px) calc(var(--ui-off) + 2px) 0 var(--ui-shadow);transform:translate(-2px,-2px)}.D2ahYG_card:active{box-shadow:1px 1px 0 var(--ui-shadow);transform:translate(2px,2px)}.D2ahYG_card:focus-visible{outline:var(--ui-focus-outline);outline-offset:3px}.D2ahYG_body{align-items:center;gap:var(--space-3);height:calc(2 * var(--font-size-base) * var(--qc-title-lh) + var(--font-size-sm) * var(--qc-desc-lh) + 4px + 2 * var(--space-4));padding:0 var(--space-4) 0 var(--space-3);display:flex}.D2ahYG_icon{flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;display:flex}.D2ahYG_icon>*{width:48px;height:48px}.D2ahYG_icon img{width:100%;height:100%}.D2ahYG_text{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.D2ahYG_title{-webkit-line-clamp:2;line-clamp:2;font-size:var(--font-size-base);font-weight:700;line-height:var(--qc-title-lh);text-wrap:balance;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.D2ahYG_description{white-space:nowrap;text-overflow:ellipsis;font-size:var(--font-size-sm);line-height:var(--qc-desc-lh);color:var(--ui-ink-soft);overflow:hidden}.D2ahYG_footer{justify-content:space-between;align-items:center;gap:var(--space-3);height:40px;padding:0 var(--space-4) 0 var(--space-3);border-top:var(--ui-divider);font-size:var(--font-size-xs);font-weight:700;display:flex;position:relative}.D2ahYG_meter{background:var(--ui-accent);height:3px;position:absolute;top:-1px;left:0}.D2ahYG_meta{color:var(--ui-ink-soft);font-weight:600}.D2ahYG_start{color:var(--ui-mute);align-items:center;gap:2px;transition:color .14s;display:inline-flex}.D2ahYG_start svg{width:14px;height:14px;transition:transform .14s}.D2ahYG_card:hover .D2ahYG_start{color:var(--ui-ink)}.D2ahYG_card:hover .D2ahYG_start svg{transform:translate(2px)}.D2ahYG_done{letter-spacing:.08em;text-transform:uppercase;color:var(--ix-good-ink);align-items:center;gap:6px;display:inline-flex}.D2ahYG_done svg{width:14px;height:14px}.D2ahYG_score{font-size:var(--font-size-sm);font-variant-numeric:tabular-nums}
.mteSFa_contentContainer{width:100%}.mteSFa_cardGrid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));width:100%;display:grid}.mteSFa_cardGrid>*{min-width:0;display:flex}.mteSFa_countdown{margin-bottom:var(--space-3)}.mteSFa_subjectSection{width:100%;margin-bottom:var(--space-8)}.mteSFa_subjectHeading{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--ui-ink);margin:0 0 var(--space-5);padding-bottom:var(--space-2);border-bottom:var(--ui-divider)}.mteSFa_settingsLink{color:inherit;font:inherit;text-underline-offset:4px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;text-decoration-thickness:2px;-webkit-text-decoration-color:var(--ui-accent);text-decoration-color:var(--ui-accent);cursor:pointer;background:0 0;border:0;padding:0;font-weight:700;display:inline}.mteSFa_settingsLink:hover{text-decoration-style:solid}.mteSFa_settingsLink:focus-visible{outline:var(--ui-focus-outline);outline-offset:2px;border-radius:2px}@container main-content (max-width:800px){.mteSFa_cardGrid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}}@container main-content (max-width:600px){.mteSFa_cardGrid{gap:var(--space-3);grid-template-columns:minmax(0,1fr)}}
._0lBwsG_bench{min-width:0;max-width:900px;padding:var(--space-6) var(--space-4) var(--space-16);margin:0 auto}._0lBwsG_head{margin-bottom:var(--space-6)}._0lBwsG_title{font-size:var(--font-size-2xl);margin:0;font-weight:700}._0lBwsG_lede{margin:var(--space-1) 0 var(--space-4);color:var(--ui-ink-soft)}._0lBwsG_toolbar{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}._0lBwsG_regions{gap:var(--space-1);margin-left:auto;display:inline-flex}._0lBwsG_index{gap:var(--space-1) var(--space-3);margin-top:var(--space-4);font-size:var(--font-size-sm);flex-wrap:wrap;display:flex}._0lBwsG_index a{color:var(--ui-link)}._0lBwsG_sheet{padding:var(--space-6) var(--space-8);border:var(--ui-line) solid var(--ui-ink);border-radius:var(--ui-radius);background:var(--ui-surface);box-shadow:var(--ui-off) var(--ui-off) 0 var(--ui-shadow)}@media (max-width:560px){._0lBwsG_bench{padding-inline:var(--space-3)}._0lBwsG_sheet{padding:var(--space-4)}}._0lBwsG_item{padding:var(--space-6) 0;border-bottom:var(--ui-divider);scroll-margin-top:calc(var(--ui-sticky-top) + var(--space-4))}._0lBwsG_item:first-child{padding-top:0}._0lBwsG_itemHead{justify-content:space-between;align-items:baseline;gap:var(--space-2);margin-bottom:var(--space-3);flex-wrap:wrap;display:flex}._0lBwsG_itemTitle{font-size:var(--font-size-lg);margin:0;font-weight:700}._0lBwsG_meta{color:var(--ui-ink-soft);font-family:var(--font-family-code);font-size:.75rem}._0lBwsG_groupTitle{margin:var(--space-8) 0 0;font-size:var(--font-size-xl);font-weight:700}._0lBwsG_stem p,._0lBwsG_prompt p{margin:0 0 var(--space-2);line-height:1.55}._0lBwsG_promptRow{justify-content:space-between;align-items:flex-start;gap:var(--space-3);margin:var(--space-3) 0;display:flex}._0lBwsG_marks{color:var(--ui-ink-soft);font-size:var(--font-size-sm);flex-shrink:0;font-weight:600}._0lBwsG_json{margin-top:var(--space-4);padding:var(--space-2) var(--space-3);border-radius:var(--ix-radius);background:var(--ix-sunk)}._0lBwsG_jsonHead{color:var(--ui-ink-soft);letter-spacing:.06em;text-transform:uppercase;font-size:.75rem;font-weight:700}._0lBwsG_json pre{max-height:160px;margin:var(--space-1) 0 0;font-family:var(--font-family-code);white-space:pre-wrap;overflow-wrap:anywhere;font-size:.75rem;overflow:auto}
._6BcfCa_choices{margin:0;padding:0;list-style:none}._6BcfCa_choice{align-items:center;gap:var(--space-4);padding:var(--space-4) 0;border-bottom:var(--ui-divider);display:flex}._6BcfCa_choice:first-child{padding-top:0}._6BcfCa_text{flex:1;min-width:0}._6BcfCa_title{margin:0;font-size:1rem;font-weight:700;line-height:1.3}._6BcfCa_detail{color:var(--ui-ink-soft);margin:2px 0 0;font-size:.875rem;line-height:1.45}._6BcfCa_hint{margin:var(--space-4) 0 0;color:var(--ui-ink-soft);font-size:.8125rem;line-height:1.45}
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.plkaFa_markdown{font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--color-text);word-break:break-word;max-width:800px;margin:0 auto}.plkaFa_markdown h1{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);margin:var(--section-gap) 0 var(--heading-gap);line-height:var(--line-height-tight)}.plkaFa_markdown h1:first-child{margin-top:0}.plkaFa_markdown h2{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);margin:var(--content-gap) 0 var(--space-4);line-height:var(--line-height-tight)}.plkaFa_markdown h3{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);margin:var(--content-gap) 0 var(--space-3)}.plkaFa_markdown h4{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);margin:var(--space-8) 0 var(--space-3)}.plkaFa_markdown h5,.plkaFa_markdown h6{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);margin:var(--space-6) 0 var(--space-2)}.plkaFa_markdown p{margin:0 0 var(--space-4)}.plkaFa_markdown a{color:var(--color-primary);text-decoration:none}.plkaFa_markdown a:hover{text-decoration:underline}.plkaFa_markdown ul,.plkaFa_markdown ol{margin:0 0 var(--space-4);padding-left:var(--space-8)}.plkaFa_markdown li{margin-bottom:var(--space-2)}.plkaFa_markdown li>ul,.plkaFa_markdown li>ol{margin-top:var(--space-2);margin-bottom:0}.plkaFa_markdown blockquote{border-left:4px solid var(--color-primary-light);padding:var(--space-3) var(--space-6);margin:0 0 var(--space-4);background:var(--color-bg-secondary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--color-text-secondary)}.plkaFa_markdown blockquote p:last-child{margin-bottom:0}.plkaFa_markdown code{font-family:var(--font-family-code);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.15em .4em;font-size:.875em}.plkaFa_markdown pre{margin:0 0 var(--space-4);border-radius:var(--radius-md);padding:var(--space-4);background:#1e1e1e;overflow-x:auto}.plkaFa_markdown pre code{color:#d4d4d4;background:0 0;border:none;padding:0;font-size:.875rem;line-height:1.6}.plkaFa_markdown table{border-collapse:collapse;width:100%;margin:0 0 var(--space-4);font-size:var(--font-size-sm)}.plkaFa_markdown th{text-align:left;padding:var(--space-3) var(--space-4);border-bottom:2px solid var(--color-border);font-weight:var(--font-weight-semibold);background:var(--color-bg-secondary)}.plkaFa_markdown td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border-light)}.plkaFa_markdown hr{border:none;border-top:1px solid var(--color-border);margin:var(--section-gap) 0}.plkaFa_markdown img{border-radius:var(--radius-md);max-width:100%;height:auto;margin:var(--space-4) 0}.plkaFa_markdown strong{font-weight:var(--font-weight-bold);color:var(--color-text)}.plkaFa_markdown em{font-style:italic}