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.sentence-action-btn{background:var(--mint);color:#000;border-color:var(--mint)}.sentence-content{flex-grow:1;gap:8px;display:grid}.jp-text-flow{letter-spacing:.02em;color:var(--text);font-size:19px;font-weight:600;line-height:1.8}ruby{ruby-position:over;ruby-align:center}rt{color:var(--text-soft);-webkit-user-select:none;user-select:none;padding:0 1px;font-size:11px;font-weight:500;transition:opacity .2s}.hide-furigana rt{opacity:0;pointer-events:none}.zh-text-flow{color:var(--text-soft);font-size:14px;line-height:1.5}.shadow-word{cursor:pointer;border-radius:4px;padding:0 3px;transition:background-color .12s;display:inline-block;position:relative}.shadow-word:hover{color:var(--mint);background-color:#34d39929}.shadow-word:active{background-color:#34d39947}.full-article-speaker-row{justify-content:space-between;align-items:center;display:flex}.article-header-play-btn{background:var(--azure);color:#fff;border-radius:14px;align-items:center;gap:8px;padding:10px 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var(--line);color:var(--text);background:#ffffff0d}.scenario-launcher{border:1px solid var(--line);background:linear-gradient(135deg,#6366f114 0%,#f43f5e0d 100%);border-radius:24px;padding:20px}.scenario-launcher h3{color:var(--mint);font-size:18px;font-weight:700}.scenario-launcher p{color:var(--text-soft);margin-top:6px;font-size:13px;line-height:1.5}.scenario-launcher-btn{background:var(--indigo);color:#fff;border-radius:12px;margin-top:14px;padding:10px 18px;font-size:14px;font-weight:700}.scenario-launcher-btn:hover{background:var(--indigo-strong)}.mistake-panel{border:1px solid var(--line);background:#0003;border-radius:20px;padding:16px}.mistake-panel h2{margin-bottom:12px;font-size:16px;font-weight:700}.mistake-panel p{border-top:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:8px 0;font-size:13px;display:flex}.mistake-panel p strong{color:var(--danger);font-weight:600}.mistake-panel p span{color:var(--text-soft)}@media (width<=768px){.topbar{flex-direction:column;align-items:flex-start;gap:12px}.mode-strip{grid-template-columns:1fr 1fr}}