.tool-zh-convert .tool-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.tool-zh-convert .zc-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tool-zh-convert .zc-label{font-size:13px;color:#666;margin-bottom:6px}
.tool-zh-convert textarea{min-height:320px;width:100%;box-sizing:border-box;font-size:14px;line-height:1.6;padding:10px;border:1px solid #ddd}
.tool-zh-convert textarea[readonly]{background:#fafafa}
@media(max-width:800px){.tool-zh-convert .zc-grid{grid-template-columns:1fr}}