:root{font-family:"Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#493F64;background:#EAF6F4;font-size:17px}*{box-sizing:border-box}body{margin:0}main{width:min(100%,740px);margin:auto;padding:10px 14px 18px}header{display:flex;align-items:center;justify-content:space-between;gap:10px;height:44px;font-weight:700}button{font:inherit;min-height:48px;border:2px solid #277F83;border-radius:15px;background:#fff;color:#254B51;padding:9px 14px;touch-action:manipulation;cursor:pointer}button:active,button.pressed{transform:scale(.96);background:#BCE6DF}button:disabled{cursor:default;opacity:.65}button:focus-visible{outline:4px solid #B26B18;outline-offset:3px}.primary{background:#277F83;color:white;font-weight:700;min-width:210px;max-width:100%}.quiet{border:0;background:transparent;min-width:48px}#test-banner{font-size:11px;color:#58636E;text-align:center;min-height:20px}.pipi{height:150px;width:134px}.home-copy{text-align:center;font-size:23px;font-weight:700;margin:12px 0}.home-actions{display:grid;gap:12px;max-width:350px;margin:auto}.home-actions .primary{width:100%}.teacher-presence{height:130px;text-align:center}.teacher-presence .pipi{height:127px}#classroom{background:#fff;border-radius:22px;padding:14px 12px 18px;text-align:center;min-height:380px;position:relative;overflow:hidden}.scene-objects{display:flex;align-items:center;justify-content:center;gap:12px;min-height:157px;background:#EDF6FC;border-bottom:5px solid #C4DEE2;border-radius:18px}.object{width:44%;max-width:170px;border:0;background:transparent;padding:0;height:160px}.object svg{height:150px;width:100%}.object:disabled{opacity:1}.one .object{width:63%;max-width:195px}.cue{margin:12px auto 8px;font-size:18px;line-height:1.45;max-width:420px}.controls{display:flex;flex-direction:column;align-items:center;gap:9px}#tools{display:flex;gap:7px;justify-content:center;flex-wrap:wrap;margin:8px 0}#tools[hidden]{display:none}#tools button{font-size:15px;padding:8px 10px;flex:1;max-width:160px}#status{min-height:24px;text-align:center;margin:8px 0;font-size:16px}.listening{box-shadow:0 0 0 6px #BCE6DF;background:#277F83;color:white}.hint{background:#FFF4CB;border-radius:12px;padding:9px;font-size:16px}.ack{color:#277F83;font-size:20px}.test-text{display:flex;gap:6px;max-width:100%;margin:8px 0}.test-text input{width:100%;min-width:0;border:1px solid #AAA;border-radius:10px;padding:10px;font-size:16px}.test-text button{font-size:14px;min-width:66px}details{font-size:13px;color:#67727A}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px}dialog{max-width:90%}@media(min-width:700px){#classroom{min-height:530px;padding:25px}.teacher-presence{height:175px}.teacher-presence .pipi{height:165px}.scene-objects{min-height:210px}.object{height:210px}.object svg{height:195px}.cue{margin:20px}.primary{min-height:58px}}@media(max-height:650px) and (max-width:500px){main{padding-top:4px}header{height:36px}.teacher-presence{height:100px}.teacher-presence .pipi{height:98px}#classroom{min-height:325px;padding-top:8px}.scene-objects{min-height:130px}.object{height:130px}.object svg{height:125px}.cue{font-size:16px;margin:8px 0}.pipi{height:115px}.home-copy{font-size:21px;margin:8px 0}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.scene{position:relative;min-height:260px;isolation:isolate;background:#EDF6FC;border-radius:18px;border-bottom:5px solid #C4DEE2}.scene .teacher-presence{height:180px;text-align:left;padding-left:12%;position:relative;z-index:1}.scene .teacher-presence .pipi{height:185px;width:165px}.scene .scene-objects{border:0;background:none;min-height:115px}.scene .object{height:120px}.scene .object svg{height:120px}.toy-scene{min-height:260px}.toy-scene .teacher-presence{height:250px;padding-top:10px;padding-left:15%}.toy-scene .teacher-presence .pipi{height:230px;width:205px}.toy-scene .scene-objects{position:absolute;inset:0;pointer-events:none;z-index:2}.toy-scene .object{position:absolute;top:143px;left:62%;width:83px;height:86px;pointer-events:auto;transition:left .25s,top .25s}.toy-scene .object svg{height:86px}.toy-scene[data-object-state="OFFERED_TO_CHILD"] .object{top:183px;left:40%}.scene[data-visual-state="LISTENING"]{box-shadow:inset 0 0 0 4px #277F83}.scene[data-visual-state="HELP"] .object{outline:3px solid #E3AD45;border-radius:50%}.scene[data-visual-state="DID_NOT_CATCH"] .teacher-presence{opacity:.9}#test-banner{font-size:10px;color:#687B78}#mic-state{font-size:15px;margin:8px 0}#mic-state[data-state="LISTENING"]{font-weight:700;color:#277F83}#classroom details{margin-top:8px}@media(min-width:700px){.scene{min-height:330px}.scene .teacher-presence{height:210px}.scene .teacher-presence .pipi{height:215px;width:195px}.toy-scene .teacher-presence{height:325px;padding-left:24%}.toy-scene .teacher-presence .pipi{height:295px;width:260px}.toy-scene .object{top:185px;left:62%;width:108px;height:108px}.toy-scene .object svg{height:108px}.toy-scene[data-object-state="OFFERED_TO_CHILD"] .object{top:233px;left:44%}}
#classroom>.teacher-presence{height:165px}#classroom>.teacher-presence .pipi{height:165px;width:147px}