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var(--card-border);color:var(--sc-text-secondary);cursor:pointer;overflow-wrap:anywhere;text-align:center;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:0;min-height:54px;padding:7px 4px;font-size:11px;font-weight:800;line-height:1.15;display:inline-flex}.sc-chat-mobile-actions button:disabled{cursor:not-allowed;opacity:.45}.sc-chat-completion-card{margin:0 8px 8px!important;padding:8px!important}.sc-chat-completion-message{overflow-wrap:anywhere;margin:0!important;font-size:14px!important;line-height:1.3!important}.sc-chat-completion-message svg{width:16px;height:16px}.sc-chat-completion-actions{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:6px!important;margin-top:8px!important;display:grid!important}.sc-chat-completion-action{justify-content:center;gap:4px;width:100%;min-width:0;min-height:44px!important;padding:6px 8px!important}.sc-chat-completion-action svg{flex:none;width:14px;height:14px}.sc-chat-completion-action span{overflow-wrap:anywhere;text-align:center;white-space:normal;min-width:0}body[data-chat-font-size=large] .sc-chat-shell{--sc-chat-font-size:17px}body[data-chat-font-size=xlarge] .sc-chat-shell{--sc-chat-font-size:18px}}@media (width<=380px){.sc-chat-mobile-actions.is-open{grid-template-columns:repeat(2,minmax(0,1fr))}}[data-acquisition-tier=standard]{--tier-surface:oklch(94% .005 80);--tier-frame-start:oklch(82% .01 80);--tier-accent:oklch(55% .05 80);--tier-glow:oklch(70% .05 80/.3)}[data-acquisition-tier=limited]{--tier-surface:oklch(95% .04 85);--tier-frame-start:oklch(78% .1 85);--tier-accent:oklch(58% .14 85);--tier-glow:oklch(75% .12 85/.4)}[data-acquisition-tier=event]{--tier-surface:oklch(94% .05 305);--tier-frame-start:oklch(70% .16 305);--tier-accent:oklch(52% .2 305);--tier-glow:oklch(65% .18 305/.5)}[data-acquisition-tier=seasonal]{--tier-surface:oklch(20% .03 280);--tier-frame-start:oklch(45% .18 280);--tier-accent:oklch(75% .2 60);--tier-glow:oklch(70% .22 60/.6)}.math-display,.math-display .prose,.math-display .prose p,.math-display .prose li,.math-display .prose ul,.math-display .prose ol,.math-display .prose strong,.math-display .prose em,.math-display .prose code,.math-display .prose blockquote{font-size:inherit;line-height:inherit}.md-table-scroll{-webkit-overflow-scrolling:touch;max-width:100%;margin-block:var(--lms-para-gap,1em);overflow:auto hidden}.md-table-scroll:first-child{margin-top:0}.md-table-scroll:last-child{margin-bottom:0}.md-table-scroll:focus{outline:none}.md-table-scroll:focus-visible{outline:2px solid var(--sc-blue);outline-offset:2px;border-radius:10px}.md-table-scroll>table{border-collapse:collapse;width:auto;min-width:100%;font-size:inherit;line-height:inherit;margin:0}.md-table-scroll th,.md-table-scroll td{padding:calc(var(--spacing-table-cell,14px) * .5) 12px;border:1px solid var(--card-border);color:var(--sc-text);text-align:start;text-indent:0;vertical-align:top;word-break:keep-all;overflow-wrap:break-word}.md-table-scroll th{background:var(--sc-surface-2);white-space:nowrap;font-weight:600}.md-table-scroll tbody tr:nth-child(2n) td{background:var(--sc-badge-bg)}.md-table-scroll .katex-display{margin:0;display:inline-block}[data-theme=night] .math-display,[data-theme=night] .prose,[data-theme=night] .katex,[data-theme=night] .katex-display,[data-theme=night] .prose strong,[data-theme=night] .prose em,[data-theme=night] .prose code{color:var(--sc-text)}[data-theme=night] .prose pre{background:var(--sc-card-hover);color:var(--sc-text)}[data-theme=night] .prose a{color:var(--sc-blue)}[data-theme=night] .prose blockquote{border-inline-start-color:var(--sc-blue);color:var(--sc-text-secondary)}[data-theme=night] .prose hr{border-color:var(--card-border)}[data-theme=night] .prose h1,[data-theme=night] .prose h2,[data-theme=night] .prose h3,[data-theme=night] .prose h4{color:var(--sc-text)}.lms-page-root{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text)}[data-spacing=relaxed] .lms-page-root{letter-spacing:.01em}[data-spacing=compact] .lms-page-root{letter-spacing:0}.lms-module-panel{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text)}.lms-module-panel .lms-module-title{font-size:calc(var(--sc-chat-font-size,16px) - 1px);color:var(--sc-text);font-weight:700;line-height:1.4}.lms-module-panel .lms-module-meta{font-size:calc(var(--sc-chat-font-size,16px) - 4px);color:var(--sc-text-muted);align-items:center;gap:8px;margin-top:2px;display:flex}.lms-module-panel .lms-progress-strip{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;min-width:0;display:grid}.lms-module-panel .lms-progress-strip>div{background:var(--sc-badge-bg);border:1px solid var(--sc-input-border);border-radius:10px;gap:4px;min-width:0;padding:9px 10px;display:grid}.lms-module-panel .lms-progress-strip span{color:var(--sc-text-muted);font-size:calc(var(--sc-chat-font-size,16px) - 5px);font-weight:700;line-height:1.35}.lms-module-panel .lms-progress-strip strong{color:var(--sc-text);font-size:calc(var(--sc-chat-font-size,16px) - 3px);overflow-wrap:anywhere;align-items:center;min-width:0;font-weight:800;line-height:1.35;display:flex}.lms-module-panel .lms-section-label{font-size:calc(var(--sc-chat-font-size,16px) - 4px);color:var(--sc-text-muted);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:6px;margin-bottom:10px;font-weight:700;display:flex}.lms-module-panel .lms-objectives-list{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text);margin:0;padding-inline-start:20px}.lms-module-panel .lms-objectives-list li{margin-bottom:4px}.lms-module-panel .lms-block-title{font-size:calc(var(--sc-chat-font-size,16px) + 1px);color:var(--sc-text);margin-bottom:8px;font-weight:700;line-height:1.4}.lms-module-panel .lms-block-body{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text);min-width:0}.lms-module-panel .lms-content-block{border-bottom:1px solid var(--sc-input-border);padding:12px 0}.lms-module-panel .lms-content-block:first-of-type{padding-top:0}.lms-module-panel .lms-content-block:last-of-type{border-bottom:0;padding-bottom:0}.lms-module-panel .lms-figure{padding:var(--spacing-card-y-sm) var(--spacing-card-x);background:var(--sc-badge-bg);text-align:center;border-radius:10px;margin:8px 0}.lms-module-panel .lms-figcaption{font-size:calc(var(--sc-chat-font-size,16px) - 2px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text-muted);margin-top:8px;font-style:italic}.lms-module-panel .lms-rendered-svg,.lms-module-panel .lms-mermaid-figure svg{max-width:100%;height:auto;margin:0 auto;display:block}.lms-module-panel .lms-figure-label-layer text{fill:var(--sc-text);paint-order:stroke;stroke:var(--sc-card);stroke-width:3px;stroke-linejoin:round;font-family:ui-sans-serif,system-ui,sans-serif;font-size:13px;font-weight:700}.lms-module-panel .lms-raster-figure-wrap{max-width:100%;display:inline-block;position:relative}.lms-module-panel .lms-raster-figure-img{border-radius:8px;max-width:100%;height:auto;display:block}.lms-module-panel .lms-raster-label-layer{pointer-events:none;position:absolute;inset:0}.lms-module-panel .lms-raster-label{background:var(--sc-card);max-width:180px;color:var(--sc-text);border:1px solid var(--sc-input-border);box-shadow:var(--sc-shadow-sm);border-radius:6px;padding:2px 5px;font-size:12px;font-weight:700;line-height:1.25;position:absolute}.lms-module-panel .lms-raster-label-middle{transform:translate(-50%,-50%)}.lms-module-panel .lms-raster-label-start{transform:translateY(-50%)}.lms-module-panel .lms-raster-label-end{transform:translate(-100%,-50%)}.lms-module-panel .lms-figure-legend{color:var(--sc-text-secondary);flex-wrap:wrap;justify-content:center;gap:8px 12px;margin-top:8px;font-size:13px;display:flex}.lms-module-panel .lms-figure-loading,.lms-module-panel .lms-figure-error,.lms-module-panel .lms-mermaid-source{color:var(--sc-text-muted);background:var(--sc-input-bg);border:1px solid var(--sc-input-border);border-radius:8px;margin:0;padding:12px;overflow:auto}.lms-module-panel .lms-worked-example{background:var(--sc-badge-bg);padding:var(--spacing-card-y-sm) var(--spacing-card-x);border-radius:10px}.lms-module-panel .lms-example-problem{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text-secondary);margin-bottom:8px}.lms-module-panel .lms-example-steps{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text);margin:6px 0;padding-inline-start:22px}.lms-module-panel .lms-example-steps li{margin-bottom:4px}.lms-module-panel .lms-example-answer{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-green);margin-top:6px}.lms-module-panel .lms-example-explanation{font-size:calc(var(--sc-chat-font-size,16px) - 2px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text-muted);margin-top:6px;font-style:italic}.lms-module-panel .lms-mistake-card{border:1px solid var(--sc-warning-bg,#ffe7b5);background:var(--sc-warning-bg,#fff7e6);padding:var(--spacing-card-y-sm) var(--spacing-card-x);border-radius:10px}.lms-module-panel .lms-mistake-title{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-orange);flex-wrap:wrap;align-items:baseline;gap:6px;font-weight:600;display:flex}.lms-module-panel .lms-mistake-why,.lms-module-panel .lms-mistake-correction{font-size:calc(var(--sc-chat-font-size,16px) - 2px);line-height:var(--sc-chat-line-height,1.7);margin-top:6px}.lms-module-panel .lms-mistake-why{color:var(--sc-text-secondary)}.lms-module-panel .lms-mistake-correction{color:var(--sc-green)}.lms-module-panel .lms-check-card{background:var(--sc-card);border:1px solid var(--sc-input-border);padding:var(--spacing-card-y-sm) var(--spacing-card-x);border-radius:10px}.lms-module-panel .lms-check-row{align-items:flex-start;gap:8px;display:flex}.lms-module-panel .lms-check-num{font-size:calc(var(--sc-chat-font-size,16px) - 3px);color:var(--sc-blue);flex-shrink:0;min-width:22px;font-weight:700}.lms-module-panel .lms-check-question{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text);flex:1}.lms-module-panel .lms-check-difficulty{font-size:calc(var(--sc-chat-font-size,16px) - 5px);background:var(--sc-badge-bg);color:var(--sc-text-muted);white-space:nowrap;border-radius:999px;padding:2px 7px;font-weight:600}.lms-module-panel .lms-check-toggle{font-size:calc(var(--sc-chat-font-size,16px) - 3px);border:1px solid var(--sc-input-border);background:var(--sc-card);color:var(--sc-text-secondary);cursor:pointer;border-radius:6px;margin-top:10px;padding:5px 12px;font-weight:600}.lms-module-panel .lms-check-reveal{background:var(--sc-success-bg);font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);border-radius:8px;margin-top:8px;padding:10px 12px}.lms-module-panel .lms-check-answer{color:var(--sc-green)}.lms-module-panel .lms-check-solution{color:var(--sc-text-secondary);margin-top:4px}.lms-module-panel .lms-summary-card{background:var(--sc-blue-light);padding:var(--spacing-card-y-sm) var(--spacing-card-x);border-inline-start:3px solid var(--sc-blue);border-radius:10px}.lms-module-panel .lms-summary-body{font-size:var(--sc-chat-font-size,16px);line-height:var(--sc-chat-line-height,1.7);color:var(--sc-text)}.lms-module-panel .lms-module-footer{border-top:1px solid var(--sc-input-border);flex-direction:column;gap:10px;padding-top:12px;display:flex}.lms-module-panel 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0;border:0;align-items:center;gap:6px;padding:0;font-weight:700;text-decoration:none;display:inline-flex}.b-link:hover{text-decoration:underline}.b-badge{white-space:nowrap;border:1px solid #0000;border-radius:6px;align-items:center;gap:5px;min-height:24px;padding:2px 8px;font-size:12.5px;font-weight:700;line-height:1.3;display:inline-flex}.b-badge--progress{background:var(--sc-primary-soft);color:var(--sc-ink-accent)}.b-badge--paused{background:var(--sc-paused-soft);color:var(--sc-text-secondary);border-color:color-mix(in oklab, var(--sc-paused) 35%, transparent)}.b-badge--done{background:var(--sc-done-soft);color:var(--sc-done)}.b-badge--answer{background:var(--sc-surface);color:var(--sc-text-secondary);border-color:var(--sc-line)}.b-badge--unknown{color:var(--sc-text-muted);border:1px dashed var(--sc-line);background:0 0}.b-badge--turn{background:var(--sc-turn-bg);color:var(--sc-turn-ink);border-color:color-mix(in oklab, var(--sc-turn-edge) 45%, transparent)}.b-dot{background:currentColor;border-radius:50%;flex:none;width:7px;height:7px}.b-subject{color:var(--sc-text-secondary);align-items:center;gap:6px;font-size:13px;font-weight:700;display:inline-flex}.b-subject:before{content:"";background:var(--b-subject,var(--sc-math));border-radius:2px;width:8px;height:8px}.b-turn{background:var(--sc-turn-bg);border:1px solid color-mix(in oklab, var(--sc-turn-edge) 40%, transparent);border-inline-start:4px solid var(--sc-turn-edge);color:var(--sc-text);border-radius:10px;padding:12px 16px}.b-turn-label{letter-spacing:.06em;text-transform:uppercase;color:var(--sc-turn-ink);align-items:center;gap:8px;margin-bottom:4px;font-size:12px;font-weight:800;display:flex}.b-steps{grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;margin:0;padding:0;list-style:none;display:grid;position:relative}.b-step{text-align:center;flex-direction:column;align-items:center;gap:8px;min-width:0;display:flex;position:relative}.b-step:before{content:"";top:13px;background:var(--sc-line);height:2px;position:absolute;inset-inline:calc(16px - 50%) calc(50% + 16px)}.b-step:first-child:before{display:none}.b-step.is-done:before,.b-step.is-current:before{background:var(--sc-done)}.b-node{border:2px solid var(--sc-line);background:var(--sc-surface);z-index:1;width:28px;height:28px;color:var(--sc-on-accent);border-radius:50%;flex:none;place-items:center;display:grid;position:relative}.b-step.is-done .b-node{background:var(--sc-done);border-color:var(--sc-done);color:var(--sc-on-accent)}.b-step.is-current .b-node{border-color:var(--sc-blue);box-shadow:0 0 0 4px var(--sc-primary-soft)}.b-step.is-current .b-node:after{content:"";background:var(--sc-blue);border-radius:50%;width:10px;height:10px}.b-step-label{color:var(--sc-text-secondary);overflow-wrap:anywhere;font-size:12.5px;font-weight:600;line-height:1.3}.b-step.is-current .b-step-label{color:var(--sc-text);font-weight:800}.b-steps--vertical{grid-auto-rows:auto;grid-auto-flow:row;gap:0}.b-steps--vertical .b-step{text-align:start;flex-direction:row;align-items:flex-start;gap:12px;padding-bottom:18px}.b-steps--vertical .b-step:before{top:auto;bottom:-2px;width:2px;height:calc(100% - 30px);inset-inline:13px auto;transform:translateY(0)}.b-steps--vertical .b-step:first-child:before{display:block}.b-steps--vertical .b-step:last-child{padding-bottom:0}.b-steps--vertical .b-step:last-child:before{display:none}.b-steps--vertical .b-step:before{height:auto;top:30px;bottom:0}.b-steps--vertical .b-step.is-current:before{background:var(--sc-line)}.b-steps--vertical .b-step-label{padding-top:4px}.b-ring{flex:none;width:52px;height:52px;position:relative}.b-ring svg{width:52px;height:52px;transform:rotate(-90deg)}.b-ring circle{fill:none;stroke-width:5px}.b-ring .b-ring-track{stroke:var(--sc-line)}.b-ring .b-ring-val{stroke:var(--sc-paused);stroke-linecap:round}.b-ring span{color:var(--sc-text);place-items:center;font-size:12px;font-weight:800;display:grid;position:absolute;inset:0}@media (prefers-reduced-motion:reduce){.b-rail *,.b-band *,.b-tabbar *{transition:none!important}}.b-seg{background:var(--sc-surface-3);border-radius:10px;flex-wrap:wrap;gap:4px;padding:4px;display:inline-flex}.b-seg button{min-height:36px;color:var(--sc-text-secondary);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:8px;padding:0 12px;font-size:14px;font-weight:700;display:inline-flex}.b-seg button[aria-pressed=true]{background:var(--sc-surface);color:var(--sc-text);box-shadow:0 1px 2px color-mix(in srgb, var(--sc-text) 12%, transparent)}.b-seg button .b-num{color:var(--sc-text-muted);font-size:12px}.b-module-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.b-module-card{text-align:start;width:100%;height:100%;min-height:0;font:inherit;color:var(--sc-text);cursor:pointer;flex-direction:column;align-items:stretch;gap:8px;padding:18px 18px 14px;display:flex;position:relative;overflow:hidden}.b-module-card:hover{border-color:var(--sc-blue);box-shadow:var(--sc-card-shadow-hover)}.b-module-card:focus-visible{outline:3px solid var(--sc-focus-ring);outline-offset:2px}.b-module-stripe{background:var(--b-subject,var(--sc-blue));height:4px;position:absolute;inset:0 0 auto}.b-module-card .b-subject:before{background:var(--b-subject,var(--sc-blue))}.b-module-head{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.b-module-meta{color:var(--sc-text-muted);font-size:12.5px}.b-module-title{letter-spacing:-.01em;font-size:16.5px;font-weight:800;line-height:1.3}.b-module-snippet{color:var(--sc-text-secondary);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:13.5px;line-height:1.5;display:-webkit-box;overflow:hidden}.b-module-foot{flex-wrap:wrap;align-items:center;gap:6px 8px;margin-top:auto;padding-top:6px;display:flex}.b-module-chevron{color:var(--sc-text-muted);margin-inline-start:auto}@media (width<=640px){.b-module-grid{grid-template-columns:minmax(0,1fr)}}.scl{--scl-xs:calc(var(--spacing-icon-gap) / 2);--scl-sm:var(--spacing-icon-gap);--scl-md:var(--spacing-form-field);--scl-lg:var(--spacing-list-x);--scl-xl:var(--spacing-card-x);background:var(--sc-bg);color:var(--sc-text);-webkit-font-smoothing:auto;min-height:100vh;font-size:16px;line-height:1.6}.scl :focus-visible{outline:2.5px solid var(--sc-ink-accent);outline-offset:3px;border-radius:6px}.scl :where(h1,h2,h3){letter-spacing:-.01em;text-wrap:balance;margin:0;font-weight:700}.scl :where(p){text-wrap:pretty;margin:0}.scl :where(ul){margin:0;padding:0;list-style:none}.scl :where(a){color:var(--sc-ink-accent);text-decoration:none}.scl :where(a:hover){text-decoration:underline}.scl-wrap{max-width:var(--sc-max-width);padding:0 var(--sc-layout-px);margin:0 auto}.scl-skip{position:absolute;inset-inline-start:-9999px}.scl-skip:focus{inset-inline-start:16px;z-index:99;background:var(--sc-card);color:var(--sc-text);padding:var(--scl-sm) var(--scl-md);box-shadow:var(--sc-card-shadow);border-radius:8px;top:12px}.scl-header{z-index:30;background:color-mix(in srgb, var(--sc-bg) 88%, transparent);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--sc-line);position:sticky;top:0}.scl-header>.scl-wrap{align-items:center;gap:clamp(calc(var(--scl-sm) * 1.5), 2vw, var(--spacing-section));flex-wrap:nowrap;min-height:68px;display:flex}.scl .scl-brand{align-items:center;gap:var(--scl-sm);letter-spacing:-.02em;color:var(--sc-text);flex-shrink:0;font-size:18px;font-weight:800;display:flex}.scl .scl-brand:hover{text-decoration:none}.scl-mark{border-radius:9px;flex-shrink:0;display:block;overflow:hidden}.scl-mark img{width:100%;height:100%;display:block}.scl-nav{flex:none;align-items:center;gap:4px;width:max-content;display:flex}.scl-nav a{border-radius:var(--sc-radius-control);min-height:44px;color:var(--sc-text-secondary);white-space:nowrap;align-items:center;padding:0 12px;font-size:14.5px;font-weight:600;line-height:1.35;display:inline-flex}.scl-nav a:hover{color:var(--sc-text);background:var(--sc-surface);text-decoration:none}.scl-tools{align-items:center;gap:var(--scl-sm);flex-shrink:0;margin-inline-start:auto;display:flex}.scl-btn{text-align:center;justify-content:center;align-items:center;gap:var(--scl-sm);min-height:44px;padding:var(--scl-sm) var(--spacing-form-action);border-radius:var(--sc-radius-control);line-height:1.4;font:inherit;cursor:pointer;border:1px solid #0000;font-size:15px;font-weight:700;transition:filter .15s,background-color .15s,border-color .15s;display:inline-flex}.scl-btn:hover{filter:brightness(.94);text-decoration:none}.scl .scl-btn-primary{background:var(--sc-action-bg);color:var(--sc-on-accent)}.scl .scl-btn-primary:hover{filter:none;background:color-mix(in oklab, var(--sc-action-bg) 86%, var(--sc-text))}.scl .scl-btn-line{background:var(--sc-surface);color:var(--sc-text);border:1px solid color-mix(in oklab, var(--sc-line) 62%, var(--sc-text-muted))}.scl-btn-line:hover{border-color:var(--sc-text-secondary);filter:none}.scl .scl-btn-lg{min-height:50px;padding:0 22px;font-size:16px}.scl .scl-btn-quiet{color:var(--sc-text-secondary);background:0 0;font-weight:500}.scl-btn-quiet:hover{background:var(--sc-hover-bg);filter:none}.scl-btn-sm{min-height:44px;padding:var(--scl-sm) var(--scl-md);font-size:14px}.scl-section{padding:clamp(56px,7vw,80px) 0}.scl-band{background:var(--sc-surface);border-block:1px solid var(--sc-line)}.scl-eyebrow{letter-spacing:.12em;color:var(--sc-ink-accent);margin-bottom:var(--scl-md);font-size:13px;font-weight:700;display:block}.scl-h1{letter-spacing:-.035em;font-size:clamp(36px,4.4vw,54px);font-weight:800;line-height:1.06}.scl-h2{letter-spacing:-.03em;font-size:clamp(28px,3vw,38px);font-weight:800;line-height:1.15}.scl-h3{letter-spacing:-.015em;font-size:clamp(18px,1.6vw,20px);font-weight:800;line-height:1.35}.scl-lead{color:var(--sc-text-secondary);max-width:40em;font-size:clamp(16px,1.35vw,18.5px);line-height:1.7}.scl-sub{color:var(--sc-text-secondary);font-size:14px}.scl-panel{background:var(--sc-surface);border:1px solid var(--sc-line);border-radius:var(--sc-radius-card)}.scl-tag{align-items:center;gap:var(--scl-sm);padding:var(--scl-xs) var(--scl-sm);background:var(--sc-surface-2);color:var(--sc-text);border-radius:8px;font-size:12.5px;font-weight:500;display:inline-flex}.scl-band .scl-tag{background:var(--sc-surface-3)}.scl-tag{border-radius:6px;font-size:12px;font-weight:700}.scl-hero{padding-top:clamp(calc(var(--spacing-section) * 1.5), 5vw, calc(var(--spacing-section) * 2.5));padding-bottom:clamp(calc(var(--spacing-section) * 1.5), 4vw, calc(var(--spacing-section) * 2.25))}.scl-hero-grid{gap:clamp(var(--spacing-section), 4vw, calc(var(--spacing-section) * 2));grid-template-columns:minmax(0,1fr) minmax(0,1.18fr);align-items:center;display:grid}.scl-hero .scl-lead{margin:var(--spacing-form-action) 0 0}.scl-ctarow{gap:var(--scl-sm);margin-top:var(--spacing-section);flex-wrap:wrap;align-items:center;display:flex}.scl-utility{margin-top:var(--scl-md);color:var(--sc-text-secondary);font-size:14px}.scl-glass{background:color-mix(in srgb, var(--sc-card) 86%, transparent);-webkit-backdrop-filter:blur(14px)}.scl-demo-head{gap:var(--scl-sm);padding:calc(var(--scl-sm) * 1.5) var(--spacing-form-action);border-bottom:1px solid var(--sc-line-2);flex-wrap:wrap;justify-content:space-between;align-items:center;display:flex}.scl-demo-note{color:var(--sc-text-secondary);font-size:12.5px}.scl-demo-body{padding:var(--spacing-form-action) var(--spacing-form-action) var(--scl-lg);gap:var(--scl-md);flex-direction:column;display:flex}.scl-turn{gap:var(--scl-sm);align-items:flex-start;display:flex}.scl-who{border-radius:50%;flex-shrink:0;place-items:center;width:30px;height:30px;display:grid}.scl-sr{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.scl-who-s{background:var(--sc-surface-2);color:var(--sc-text-secondary)}.scl-who-c{background:var(--sc-ink-accent);color:var(--sc-on-accent)}.scl-bubble{color:var(--sc-text);padding-top:var(--scl-xs);font-size:15px;line-height:1.65}.scl-mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14.5px}.scl-choices{gap:var(--scl-sm);flex-wrap:wrap;padding-inline-start:calc(30px + var(--scl-sm));display:flex}.scl-choice{min-height:44px;padding:var(--scl-sm) var(--scl-md);border:1px solid var(--sc-line);background:var(--sc-card);color:var(--sc-text);font:inherit;cursor:pointer;border-radius:10px;font-size:14px;font-weight:500}.scl-choice:hover:not(:disabled){border-color:var(--sc-ink-accent);color:var(--sc-ink-accent)}.scl-choice:disabled{cursor:default}.scl-fb{padding:var(--scl-md) var(--scl-md);background:var(--sc-surface-2);color:var(--sc-text);border-radius:12px;margin-inline-start:calc(30px + var(--scl-sm));font-size:14.5px;line-height:1.6}.scl-verdict{color:var(--sc-ink-accent);font-weight:700}.scl-stepnav{gap:var(--scl-sm);padding-top:var(--scl-md);border-top:1px solid var(--sc-line-2);flex-wrap:wrap;justify-content:space-between;align-items:center;display:flex}.scl-dots{gap:var(--scl-sm);display:flex}.scl-dot{background:var(--sc-line);border-radius:50%;width:7px;height:7px}.scl-dot-on{background:var(--sc-ink-accent)}.scl-grid3{margin-top:var(--scl-xl);gap:clamp(var(--scl-md), 2.2vw, var(--spacing-section));grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));display:grid}.scl-vcard{padding:var(--scl-lg)}.scl-vcard .scl-h3{margin-bottom:var(--scl-sm)}.scl-vcard p{color:var(--sc-text-secondary);font-size:14.5px}.scl-rolelinks{gap:var(--spacing-form-action);margin-top:var(--spacing-section);flex-wrap:wrap;display:flex}.scl-rolelinks a{font-size:14.5px;font-weight:500}.scl-flow{gap:var(--scl-md);margin-top:var(--spacing-section);grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));display:grid}.scl-flowcol{padding:var(--spacing-form-action)}.scl-step{color:var(--sc-ink-accent);letter-spacing:.06em;margin-bottom:calc(var(--scl-sm) * 1.5);font-size:12.5px;font-weight:700}.scl-flowcol .scl-h3{margin-bottom:calc(var(--scl-sm) * 1.5);font-size:17px}.scl-flowcol li{color:var(--sc-text-secondary);padding:var(--scl-sm) 0;border-top:1px solid var(--sc-line-2);font-size:14px}.scl-flowcol li:first-child{border-top:none}.scl-tabs{gap:var(--scl-sm);margin:var(--scl-xl) 0 0;padding:var(--scl-xs);background:var(--sc-surface-3);border-radius:12px;flex-wrap:wrap;width:fit-content;max-width:100%;display:flex}.scl-tab{min-height:40px;padding:var(--scl-sm) var(--scl-md);color:var(--sc-text-secondary);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:8px;font-size:14px;font-weight:500}.scl-tab[aria-selected=true]{background:var(--sc-card);color:var(--sc-text);box-shadow:var(--sc-shadow-sm);font-weight:700}.scl-tabpanel{margin-top:var(--scl-md);padding:var(--scl-lg)}.scl-kv{gap:var(--scl-sm) var(--spacing-form-action);margin:var(--scl-md) 0 0;grid-template-columns:auto minmax(0,1fr);font-size:14.5px;display:grid}.scl-kv dt{color:var(--sc-text-secondary);white-space:nowrap;font-size:13.5px}.scl-kv dd{color:var(--sc-text);overflow-wrap:anywhere;margin:0}.scl-excerpt{margin-top:var(--scl-md);padding:var(--scl-md) var(--spacing-form-action);border-inline-start:3px solid var(--sc-ink-accent);background:var(--sc-surface-2);color:var(--sc-text-secondary);border-start-start-radius:0;border-start-end-radius:10px;border-end-end-radius:10px;border-end-start-radius:0;font-size:14.5px;line-height:1.65}.scl-loop{gap:var(--scl-md);margin-top:var(--spacing-section);grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));display:grid}.scl-loopcard{padding:var(--scl-lg)}.scl-loopcard .scl-tag{margin-bottom:calc(var(--scl-sm) * 1.5)}.scl-loopcard .scl-h3{margin-bottom:var(--scl-sm);font-size:17px}.scl-loopcard p{color:var(--sc-text-secondary);font-size:14px}.scl-ex{margin-top:var(--scl-md);padding:var(--scl-md) var(--scl-md);background:var(--sc-surface-2);color:var(--sc-text);border-radius:10px;font-size:13.5px;line-height:1.6}.scl-split{gap:clamp(var(--spacing-section), 4vw, calc(var(--spacing-section) * 2));grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));align-items:center;display:grid}.scl-checks{margin-top:var(--spacing-form-action)}.scl-checks li{gap:var(--scl-sm);color:var(--sc-text-secondary);padding:var(--scl-sm) 0;font-size:14.5px;display:flex}.scl-ck{background:var(--sc-surface-2);width:20px;height:20px;color:var(--sc-ink-accent);margin-top:calc(var(--scl-sm) / 4);border-radius:50%;flex-shrink:0;place-items:center;font-size:12px;font-weight:700;display:grid}.scl-band .scl-ck{background:var(--sc-surface-3)}.scl-summary{padding:var(--scl-lg)}.scl-row{padding:var(--scl-sm) 0;border-top:1px solid var(--sc-line-2);color:var(--sc-text);font-size:14.5px}.scl-row:first-of-type{border-top:none}.scl-row span{color:var(--sc-text-secondary);margin-bottom:calc(var(--scl-sm) / 4);font-size:12.5px;display:block}.scl-ask{margin-top:var(--scl-md);padding:var(--scl-md) var(--scl-md);background:var(--sc-surface-2);border-radius:10px;font-size:14.5px;line-height:1.6}.scl-langlist{gap:var(--scl-sm);margin-top:var(--scl-lg);flex-wrap:wrap;display:flex}.scl-langlist li{padding:var(--scl-sm) var(--spacing-form-action);border:1px solid var(--sc-line);border-radius:var(--sc-radius-control);background:var(--sc-surface);font-size:14.5px;font-weight:600}.scl-notes{margin-top:var(--scl-lg);color:var(--sc-text-secondary);font-size:14px}.scl-notes li{padding-block:var(--scl-sm);padding-inline:var(--scl-md) 0;position:relative}.scl-notes li:before{content:"·";color:var(--sc-ink-accent);font-weight:700;position:absolute;inset-inline-start:4px}.scl-grid4{gap:var(--scl-md);margin-top:var(--spacing-section);grid-template-columns:repeat(auto-fit,minmax(min(215px,100%),1fr));display:grid}.scl-tcard{padding:var(--spacing-form-action)}.scl-tcard .scl-h3{margin-bottom:var(--scl-sm);font-size:16px}.scl-tcard p{color:var(--sc-text-secondary);font-size:13.5px}.scl-tcard 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var(--sc-line);grid-template-columns:repeat(4,minmax(0,1fr))}.scl-fgrid h2{letter-spacing:.07em;text-transform:uppercase;color:var(--sc-text-muted);text-wrap:wrap;font-size:12px;font-weight:800;line-height:1.5}.scl-fgrid li{padding:0}.scl-fgrid a{overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto;min-width:0;max-width:100%}.scl-footer-locale{align-items:center;gap:var(--scl-sm);display:flex}@media (width<=1000px){.scl-hero-grid{grid-template-columns:minmax(0,1fr)}}@media (width<=640px){.scl-fgrid{gap:var(--scl-lg);grid-template-columns:repeat(auto-fit,minmax(min(160px,100%),1fr))}.scl-brand-story{grid-template-columns:minmax(0,1fr)}.scl-patina-mark{justify-self:start;width:224px;max-width:100%}.scl-hero{padding-top:var(--spacing-section)}.scl-choices{padding-inline-start:0}.scl-fb{margin-inline-start:0}}@media (width<=540px){.scl-header>.scl-wrap{gap:var(--scl-sm)}.scl-header .sc-locale-current{display:none}.scl-header 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span{color:var(--sc-text-muted);font-size:13px}.xf-review-row.is-selected{background:var(--sc-surface-2);border-color:var(--sc-primary)}.xf-review-body{gap:12px;min-width:0;max-width:72ch;display:grid}.xf-body{white-space:pre-wrap;line-height:1.7}.xf-summary{margin:0;font-weight:600}.xf-concept-card{gap:8px;display:grid}.xf-concept-card p{margin:0}.xf-released-item p{margin:4px 0 0}@media (width<=860px){.xf-layout,.xf-review-grid{grid-template-columns:minmax(0,1fr)}.xf-review-list{resize:none;width:auto;max-height:40vh}}.xf-delegates{gap:8px;display:grid}.xf-delegates-heading{margin:8px 0 0;font-size:14px}.xf-delegate-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.xf-delegate-code{background:var(--sc-surface-2);border-radius:8px;gap:6px;padding:10px 12px;display:grid}.xf-code{letter-spacing:.08em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:18px;font-weight:600}.xf-funding{border:1px solid var(--sc-line);border-radius:8px;gap:6px;margin:12px 0 0;padding:8px 12px;display:grid}.xf-funding legend{color:var(--sc-text-muted);padding-inline:4px;font-size:13px}.xf-funding label{align-items:center;gap:8px;display:flex}