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.teacher-speech-tail{border-top-color:#d97706}@keyframes pop-bubble{0%{opacity:0;transform:scale(.9)translateY(4px)}to{opacity:1;transform:scale(1)translateY(0)}}.teacher-character-img{aspect-ratio:1/2;object-fit:contain;object-position:bottom center;width:auto;max-width:100%;height:580px;max-height:580px;image-rendering:pixelated;image-rendering:crisp-edges;filter:drop-shadow(0 14px 28px #0006);z-index:6;backface-visibility:hidden;will-change:transform;position:relative;transform:translateZ(0)}.teacher-character-img.idle,.teacher-character-img.reading,.teacher-character-img.celebrating,.teacher-character-img.sympathetic{animation:none}.teacher-podium-shadow{z-index:2;background:radial-gradient(#0284c759 0%,#0000 70%);border-radius:50%;width:160px;height:16px;position:absolute;bottom:-4px}@media (width<=1080px){.question-stage-layout{gap:16px}.question-teacher-stage{width:260px;height:520px}.teacher-character-frame{height:480px}.teacher-character-img{max-height:460px}}@media (width<=860px){.question-stage-layout{flex-direction:column;align-items:center}.question-teacher-stage{display:none}}