:root{--green:#8BEA00;--ink:#172019;--muted:#69766e;--line:#dbe3dc;--soft:#f4f7f4;--white:#fff;--shadow:0 16px 40px rgba(23,32,25,.09)}
.station-full-head{height:64px;position:sticky;top:0;z-index:120;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1240px)/2));gap:18px}.station-full-brand{font-size:12px;font-weight:950;letter-spacing:.04em}.station-full-brand span{color:var(--green)}.station-back{font-size:10px;font-weight:900;border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:#fff;color:var(--ink);text-decoration:none}.station-back:hover{background:var(--green);border-color:var(--green)}

*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}.data-app{max-width:1360px;margin:auto;padding:38px 22px 55px}.data-intro{max-width:900px}.kicker,.challenge-kicker,.chart-head span,.learning-note>span{font-size:9px;font-weight:950;letter-spacing:.13em;text-transform:uppercase;color:#68756d}.data-intro h1{font-size:clamp(48px,6.5vw,84px);line-height:.95;letter-spacing:-.05em;margin:12px 0 18px}.data-intro h1 span{color:var(--green)}.data-intro p{font-size:16px;line-height:1.65;color:var(--muted);max-width:820px}.game-tabs{display:flex;gap:7px;flex-wrap:wrap;margin:28px 0 12px}.game-tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 11px;font-size:9px;font-weight:900;cursor:pointer}.game-tab:hover,.game-tab.active{background:var(--green);border-color:var(--green)}.data-game{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(300px,.75fr);gap:12px}.chart-panel,.challenge-panel{border:1px solid var(--line);border-radius:18px;background:#fff;padding:16px}.chart-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:2px 2px 12px}.chart-head h2{font-size:27px;letter-spacing:-.035em;margin:4px 0 0}.score-chip{font-size:9px;font-weight:900;border:1px solid var(--line);background:var(--soft);border-radius:999px;padding:8px 10px}.score-chip b{font-size:13px;margin-left:4px}#trendCanvas{display:block;width:100%;height:auto;aspect-ratio:12/7;background:var(--soft);border-radius:14px;cursor:crosshair}.chart-help{font-size:9px;line-height:1.45;color:#89938c;padding:10px 2px 0}.challenge-panel{display:flex;flex-direction:column}.challenge-panel h3{font-size:31px;line-height:1.05;letter-spacing:-.04em;margin:10px 0 12px}.challenge-panel>p{font-size:12px;line-height:1.6;color:var(--muted);margin:0 0 18px}.guess-box{border-top:1px solid var(--line);padding-top:16px}.guess-box label{display:grid;gap:7px;font-size:10px;font-weight:900}.guess-box label>div{display:flex;align-items:center;gap:8px}.guess-box input{width:150px;border:1px solid var(--line);border-radius:10px;padding:10px;font:inherit}.guess-box span{font-size:11px;color:var(--muted)}button.primary,button.secondary{border-radius:11px;padding:10px 13px;font-weight:900;cursor:pointer}.guess-box .primary{width:100%;margin-top:10px;border:0;background:var(--green);color:var(--ink)}button.primary:hover{background:var(--ink);color:#fff}button.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}button.secondary:hover{border-color:var(--green)}.result{margin-top:14px;border:1px solid var(--green);border-radius:13px;padding:13px;background:#f8ffef}.result strong{font-size:16px}.result p,.ai-explain{font-size:11px;line-height:1.55;color:#56635b}.result-actions{display:flex;gap:7px;flex-wrap:wrap}.ai-explain{border-top:1px solid #d8edc7;margin-top:11px;padding-top:10px;white-space:pre-line}.source{margin-top:auto;padding-top:18px;font-size:9px;color:#77837b}.source:hover{color:var(--green)}.learning-note{margin-top:12px;border:1px solid var(--line);border-radius:16px;background:var(--soft);padding:18px}.learning-note p{font-size:12px;line-height:1.6;color:var(--muted);margin:7px 0 0;max-width:1000px}@media(max-width:900px){.data-game{grid-template-columns:1fr}.challenge-panel{min-height:380px}}@media(max-width:600px){.data-app{padding:25px 14px 45px}.data-intro h1{font-size:44px}.chart-head{align-items:flex-start;flex-direction:column}.challenge-panel h3{font-size:27px}.station-full-brand{font-size:10px}}