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768px){.multiple-choice{max-width:100%}.options-section{grid-template-columns:2fr}.question-text{font-size:var(--font-size-xl)}.audio-replay-btn{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs);min-height:28px}.audio-replay-btn svg,.audio-replay-btn .icon{width:14px;height:14px}}@media (max-width: 480px){.option{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-base);min-height:44px}.question-text{font-size:var(--font-size-lg);margin-bottom:var(--spacing-base)}.audio-replay-btn{padding:6px var(--spacing-sm);font-size:var(--font-size-xs);min-height:28px;gap:4px}.audio-replay-btn svg,.audio-replay-btn 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interactive-video-slideDown{0%{opacity:0;transform:translateY(-12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}