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80ms;display:inline-flex}.speak-btn:active{transform:scale(.97)}.speak-btn:disabled{opacity:.4;cursor:not-allowed}.speak-btn__icon{font-size:10px;line-height:1}.doc-row--en .speak-btn:hover:not(:disabled),.doc-row--en .speak-btn.is-playing{background:var(--en-col);border-color:var(--en-col);color:#fff}.doc-row--zh .speak-btn:hover:not(:disabled),.doc-row--zh .speak-btn.is-playing{background:var(--zh-col);border-color:var(--zh-col);color:#fff}.doc-row--ms .speak-btn:hover:not(:disabled),.doc-row--ms .speak-btn.is-playing{background:var(--ms-col);border-color:var(--ms-col);color:#fff}.doc-row--ta .speak-btn:hover:not(:disabled),.doc-row--ta .speak-btn.is-playing{background:var(--ta-col);border-color:var(--ta-col);color:#fff}@media (width<=520px){.app-header h1{font-size:20px}.category__title>span:last-child{font-size:19px}.phrase-card__head{padding:12px 16px}.lang-row{grid-template-columns:52px 1fr auto}.lang-row__body{padding:12px 14px}.lang-row__text{font-size:14.5px}.lang-row__play{width:48px;padding:0 12px}.doc-row{grid-template-columns:52px 1fr}.doc-row__content{padding:14px 16px 12px}.doc-row__text{font-size:14.5px;line-height:1.75}.para-card__header{padding:12px 16px}.doc__legend{gap:12px 18px;padding:12px 14px}}@media (prefers-reduced-motion:reduce){.lang-chip.is-playing{animation:none}*{transition:none!important}}