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span{position:relative;padding-block:10px;transition:color .6s}.fa-scale span:not(:last-child):after{content:"›";position:absolute;left:calc(100% + 10px);color:#414a50}.fa-scale [aria-current=step]{color:#edf0f2}.fa-scale [aria-current=step]:before{content:"";position:absolute;bottom:3px;left:50%;width:3px;height:3px;border-radius:50%;background:#d1d9df}.fa-manual-progress{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:16px;font-size:16px;color:#c0c8cd}.fa-manual-progress input{width:130px;min-height:34px;accent-color:#b5c2cb}@keyframes fa-photo-journey{0%{transform:translate(0) scale(1);opacity:1}34%{opacity:1}78%,to{transform:translate(var(--zoom-x),var(--zoom-y)) scale(var(--zoom-scale));opacity:0}}@keyframes fa-model-arrival{0%{opacity:0;transform:scale(.84)}to{opacity:1;transform:scale(1)}}@keyframes fa-copy-arrival{0%{opacity:0}to{opacity:1}}@media (max-width:760px){.fa-close{top:max(12px,env(safe-area-inset-top));right:12px}.fa-interaction-hint{top:max(20px,calc(env(safe-area-inset-top) + 8px));left:max(20px,env(safe-area-inset-left));flex-direction:column;gap:6px;font-size:12px}.fa-interaction-hint svg{width:17px;height:17px}.fa-stage{--copy-bottom:max(70px,calc(env(safe-area-inset-bottom) + 58px));--copy-slot:min(30dvh,240px);--copy-limit:45dvh}.fa-stage-visual{inset:10% 8% calc(var(--copy-bottom) + var(--copy-height) + 12px)}.fa-step-navigation{width:calc(100% - 16px)}.fa-stage-footer{bottom:max(16px,calc(env(safe-area-inset-bottom) + 10px));gap:4px}.fa-step-arrow{width:44px;height:44px}.fa-chapter-link-label{width:44px;font-size:12px}.fa-stage-copy{width:calc(100% - 112px);padding-inline:2px}.fa-concept-text{font-size:20px;line-height:1.5}.fa-scale{font-size:12px;gap:20px}.fa-scale span:not(:last-child):after{left:calc(100% + 8px)}.fa-model-key{font-size:16px}.fa-stage .fa-deep-dive{font-size:17px;margin-top:20px}.fa-stage 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h5{overflow-wrap:anywhere;hyphens:auto;font-size:18px;font-weight:450;line-height:1.4;min-height:50px;color:#e3e6e8;margin:0}.fa-entropy-crystal{display:block;width:min(100%,150px);margin:0 auto;overflow:visible}.fa-entropy-crystal polyline{stroke:#657b88;stroke-width:.65;fill:none}.fa-entropy-crystal circle{fill:#c6d1d7}.fa-entropy-defects{fill:none;stroke:#ffb879;stroke-width:2}.fa-entropy-panel>p{margin:10px 0 0;color:#afbfc8;font-size:15px;line-height:1.5}.fa-entropy-gate{position:relative;height:154px;margin-top:50px}.fa-entropy-barrier-label{position:absolute;top:0;left:50%;transform:translateX(-50%);width:90px;text-align:center;font-size:12px;line-height:1.4;color:#b8b6b3}.fa-entropy-wall{position:absolute;left:calc(50% - 4px);top:46px;width:8px;height:70px;border-radius:2px 2px 0 0;background:repeating-linear-gradient(135deg,#7d756b 0 3px,#2b2926 3px 6px)}.fa-entropy-traveller{position:absolute;left:calc(50% - 7px);top:calc(50% - 7px);width:14px;height:14px;display:grid;grid-template-columns:1fr 1fr;gap:3px;transform:translate(-24px,20px)}.fa-entropy-traveller i{background:#f3c08e;border-radius:1px}.fa-entropy-crossing{position:absolute;bottom:0;left:50%;transform:translateX(-50%);color:#a9b4ba;font-size:12px}.fa-entropy[data-phase=heating] .fa-entropy-traveller{animation:fa-entropy-cross 3s ease-in-out .8s both}.fa-entropy[data-phase=relaxed] .fa-entropy-traveller,.fa-entropy[data-phase=resetting-end] .fa-entropy-traveller{transform:translate(24px,20px)}.fa-entropy:not([data-phase=cold]) .fa-entropy-crystal circle{animation:fa-thermal-motion .35s var(--atom-delay) ease-in-out infinite alternate;fill:#efd0ad}.fa-entropy[data-phase=relaxed] .fa-entropy-destination h5{color:#f1c59e}.fa-entropy-possibilities{margin-top:24px;text-align:center}.fa-entropy-possibilities>p{font-size:15px;line-height:1.5;color:#b7c0c6;margin:0 0 14px}.fa-entropy-possibilities 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span{display:inline-flex;align-items:center;gap:8px}.fa-grain-key svg{color:#ffbd79;flex-shrink:0}.fa-grain-key i{width:14px;height:14px;background:#936342;border:1px solid #c29266;flex-shrink:0}@media(max-width:760px){.fa-grain-key{font-size:12px;gap:3px 12px}.fa-grain-key svg{width:17px;height:17px}}