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ol{list-style:none;padding:0;margin:10px 0}.hint-ladder li{margin:8px 0;line-height:1.5}.hint-ladder li b{display:inline-block;min-width:68px;color:var(--amber);font:600 12px ui-monospace,monospace}.hint-ladder>small{color:#8a9894}.hint-levels{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.hint-levels button{font-size:11px;padding:6px 10px}.math.prose,.student-math.prose{font:400 clamp(17px,2.2vw,21px)/1.55 Inter,ui-sans-serif,system-ui,sans-serif;letter-spacing:0;padding:14px 0 18px;white-space:pre-line}.station-document{margin:12px 0 6px;padding:14px 16px 10px;border:1px solid #9ddbcc40;background:#e8eee40a;max-height:52vh;overflow:auto;-webkit-overflow-scrolling:touch}.station-document>small{display:block;font:600 11px/1.5 ui-monospace,monospace;letter-spacing:.14em;color:var(--cyan);margin-bottom:10px}.station-document ol{margin:0;padding:0;list-style:none;counter-reset:line;font:400 clamp(15px,1.9vw,18px)/1.6 Georgia,"Times New Roman",serif;color:var(--ink)}.station-document 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small{display:block;font-size:10px;letter-spacing:.18em;color:#8a9894}@keyframes fragment-in{0%{opacity:0;letter-spacing:.4em;filter:blur(4px)}}