:root{font:16px/1.5 system-ui,sans-serif;color:#172a35;background:#f5f7fa}*{box-sizing:border-box}main{max-width:1100px;margin:32px auto;padding:0 24px}h1{font-size:28px}form{display:flex;align-items:end;gap:16px;flex-wrap:wrap;margin:24px 0}label{display:flex;flex-direction:column;gap:5px}input,button{font:inherit;padding:9px 12px;border:1px solid #9cadb9;border-radius:5px}button{background:#146b60;color:white;cursor:pointer}button:disabled{opacity:.4;cursor:default}input{background:white;max-width:100%}#notice,#freshness{font-weight:600}#channels{display:flex;flex-wrap:wrap;gap:16px}.channel{border:1px solid #c6d3dc;background:white;padding:16px;flex:1;min-width:250px}.channel form{margin:10px 0;gap:8px}.channel input{width:110px}.channel button{margin:4px}img{display:block;width:100%;height:auto;border:1px solid #ccd3da}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#fff;padding:16px;max-height:420px;overflow:auto;font-size:13px}details{margin:20px 0}summary{font-weight:600;cursor:pointer}.note{font-size:14px;color:#53626b}a{color:#095f83}[hidden]{display:none!important}