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.fly-guide .ffn{background:#b9ceec}.fly-guide .sense{background:#8fb4e7}.fly-guide .shape{background:#ccc9f1}.fly-guide .stacked-bar{border-radius:5px}
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.fly-guide .real-data-heading h3{font-size:20px}.fly-guide .real-data img{border-radius:6px}.fly-guide .real-data-heading select{border-radius:6px}
.fly-guide .opportunity-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.fly-guide .flow>*{min-width:0}.fly-guide .compute-grid>*{min-width:0}
@media(max-width:750px){.fly-guide .callout{grid-template-columns:1fr;gap:10px}.fly-guide .architecture-grid,.fly-guide .compute-grid{grid-template-columns:1fr}.fly-guide h2{font-size:24px}.fly-guide .window-lab{grid-template-columns:1fr}}
@media(max-width:560px){.fly-guide .real-data-pair,.fly-guide .opportunity-grid{grid-template-columns:1fr}.fly-guide .guide-nav{gap:12px 18px}.fly-guide .metric-lab{padding:16px}.fly-guide .result-strip strong{font-size:30px}.fly-guide .model-heading{flex-wrap:wrap}.fly-guide .flow article{grid-template-columns:100px minmax(0,1fr)}}
.fly-guide #fly-erl-diagram text{fill:var(--body)}
.fly-guide #fly-volume{background:#f6f8fb;border-radius:8px}

/* The long-form explanation is nested inside Task & evaluation. */
.fly-guide{margin-top:40px;padding-top:32px}
.fly-guide .task-detail-heading h3{font-size:22px;margin-bottom:8px}
.fly-guide .section-head h3,.fly-guide .sources>h3{display:flex;align-items:baseline;gap:14px;font-size:22px;line-height:1.4;font-weight:600;letter-spacing:-.3px;margin:0 0 18px}
.fly-guide .guide-index{font-size:13px;letter-spacing:0;font-weight:500;color:var(--link);flex:none}
.fly-guide h4{font-size:18px;line-height:1.4;font-weight:600;letter-spacing:0;margin:18px 0 12px}
.fly-guide .model-heading h4{font-size:22px}.fly-guide .real-data-heading h4{font-size:20px}
.fly-guide .guide-nav{padding-bottom:16px;border-bottom:1px solid var(--line)}
.fly-guide section{padding-top:32px}.fly-guide .sources{padding-top:32px;padding-bottom:16px}
.fly-guide .sources>h3{display:block}.fly-guide .sources>h3 .guide-index{margin-right:14px}
@media(max-width:560px){.fly-guide .section-head h3,.fly-guide .sources>h3{font-size:20px;gap:10px}}

/* Keep spatial context readable as one figure and its associated parameters. */
.fly-guide #fly-windows{--window-core:#81b2c3;--window-edge:#ca9857}
.fly-guide .window-lab{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:28px;align-items:start}
.fly-guide .window-lab>div,.fly-guide .window-lab aside{min-width:0;max-width:none}
.fly-guide #fly-volume{aspect-ratio:760/480;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.fly-guide .volume-caption{display:flex;flex-direction:column;gap:6px;margin:12px 0 16px;font-size:12px;line-height:1.5;color:var(--body)}
.fly-guide .volume-legend{display:flex;align-items:baseline;gap:7px}
.fly-guide .volume-legend i{display:inline-block;flex:none;width:9px;height:9px;background:var(--window-edge)}
.fly-guide .canvas-controls{gap:12px}.fly-guide .canvas-controls label{font-size:12px;min-width:75px}.fly-guide .canvas-controls input{min-height:28px}.fly-guide .canvas-controls button{min-height:36px;padding:6px 10px;font-size:12px}
.fly-guide .big-formula{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;font-size:26px;line-height:1.4;letter-spacing:-.5px;margin:8px 0 14px}
.fly-guide .big-formula span{display:inline;font-size:30px;color:var(--ink)}
.fly-guide .window-lab p{font-size:14px;margin:10px 0 14px}
.fly-guide .axis-blocks{height:32px}.fly-guide .axis-blocks i{font-size:12px}.fly-guide .axis-blocks i:last-child{background:var(--window-edge)}
.fly-guide .window-lab hr{border:0;border-top:1px solid var(--line);margin:20px 0}
.fly-guide .window-lab aside svg{display:block;width:100%;max-width:280px;margin:12px auto;background:var(--surface);border:1px solid var(--line);padding:10px;border-radius:8px}
.fly-guide .window-lab h4{font-size:16px;margin:12px 0}
@media(max-width:679px){.fly-guide .window-lab{grid-template-columns:1fr;gap:24px}.fly-guide .window-lab aside{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 16px}.fly-guide .window-lab aside>*{grid-column:1/-1}.fly-guide .window-lab aside svg{grid-column:1;grid-row:8/10;max-width:220px;margin:8px 0}.fly-guide .window-lab aside>p:last-child{grid-column:2;grid-row:8/10;align-self:center}.fly-guide .big-formula{font-size:24px}.fly-guide .big-formula span{font-size:26px}}