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var(--line);border-radius:var(--radius);background:rgba(var(--w),.035)}.seo-grid .seo-app-card{grid-column:1 / -1;min-height:0;display:grid;grid-template-columns:minmax(240px,.75fr) minmax(0,1.8fr);align-items:center;gap:20px}.seo-grid .seo-app-card h3{margin-bottom:0}.feature-index{display:block;margin-bottom:26px;color:var(--accent-2);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.feature-grid h3,.seo-grid h3{margin-bottom:10px}.feature-grid p,.seo-grid p,.seo-intro,.site-footer{color:var(--muted);line-height:1.7}.seo-intro{max-width:980px;margin-bottom:0}.landing-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.landing-links a{display:inline-flex;min-height:44px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(var(--w),.04);color:var(--ink);text-decoration:none}.landing-links a[aria-current]{border-color:rgba(var(--ac),.72);background:rgba(var(--ac),.12)}.site-footer{padding:24px 0 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.panel-topline{min-height:42px;padding-inline:12px}.pinyin-text-panel .panel-actions{min-height:48px;padding:6px 8px;gap:5px}.pinyin-text-panel.input-variant .panel-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.pinyin-text-panel .panel-actions button{min-height:36px;padding-inline:9px;font-size:.8rem;white-space:nowrap}.pinyin-detail-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,.72fr);gap:8px;margin-top:8px}.pinyin-annotation-panel,.pinyin-lookup-panel{min-width:0;min-height:150px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(var(--w),.025)}.pinyin-annotation-panel h3,.pinyin-lookup-panel h3{margin-bottom:8px;font-size:.96rem}.pinyin-empty,.pinyin-preview-note{color:var(--muted);font-size:.78rem}.pinyin-preview-note{margin:9px 0 0}.pinyin-annotation{display:flex;max-height:280px;flex-wrap:wrap;align-content:flex-start;gap:10px 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rgba(var(--ac2),.55);background:rgba(var(--pn),.82);box-shadow:inset 0 0 0 7px rgba(var(--ac2),.035);touch-action:none}.stroke-grid-line{position:absolute;z-index:0;background:rgba(var(--ac2),.22);pointer-events:none}.stroke-grid-line.vertical{top:0;bottom:0;left:50%;width:1px}.stroke-grid-line.horizontal{top:50%;right:0;left:0;height:1px}#strokeWriterTarget{position:relative;z-index:1;display:grid;place-items:center}#strokeWriterTarget svg,#strokeWriterTarget canvas{display:block;max-width:100%;height:auto}.stroke-sidebar{display:flex;min-height:470px;flex-direction:column;padding:14px}.stroke-character-summary{display:grid;grid-template-columns:92px minmax(0,1fr);align-items:center;gap:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}.stroke-character-summary>strong{color:var(--accent-2);font-size:4.5rem;font-weight:800;line-height:1;text-align:center}.stroke-character-summary 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