diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 7c3e1fd..79bee1b 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -54,14 +54,14 @@
     .node-sys { font-size:.75rem; color:var(--text-dim); margin-bottom:4px }
     .node-url { font-size:.75rem; color:var(--text-dim); margin-bottom:8px; word-break:break-all }
     .node-notes { font-size:.75rem; color:var(--text-dim); font-style:italic; margin-bottom:8px }
-    /* 横版布局 */
+    /* 横版布局 — 左中右三列 */
     #sentinel-grid.layout-row { display:flex;flex-direction:column;gap:12px }
-    #sentinel-grid.layout-row .node-card { display:grid;grid-template-columns:1fr auto;gap:12px 20px }
-    #sentinel-grid.layout-row .row-extra { display:flex;gap:16px;align-items:start }
-    #sentinel-grid.layout-row .chart-row { display:flex;gap:8px;flex-direction:column }
-    #sentinel-grid.layout-row .chart-row canvas { border-radius:4px;background:var(--md-sys-color-surface-container-lowest) }
-    #sentinel-grid.layout-row .info-right { min-width:120px;text-align:right }
-    #sentinel-grid.layout-row .node-time { grid-column:1 }
+    #sentinel-grid.layout-row .node-card { display:grid;grid-template-columns:220px 1fr 180px;gap:16px;align-items:start }
+    #sentinel-grid.layout-row .row-extra { display:contents }
+    #sentinel-grid.layout-row .col-chart { display:flex;flex-direction:column;gap:4px }
+    #sentinel-grid.layout-row .col-chart canvas { border-radius:4px;background:var(--md-sys-color-surface-container-lowest) }
+    #sentinel-grid.layout-row .col-info { text-align:right }
+    #sentinel-grid.layout-row .node-time { grid-column:1/-1 }
     #sentinel-grid.layout-row .metric-bar { display:none }
     .metric-row { display:flex; gap:12px; margin-bottom:8px }
     .metric { flex:1 }
@@ -190,12 +190,12 @@
             var rowExtra = document.createElement('div');
             rowExtra.className = 'row-extra';
             rowExtra.innerHTML =
-              '<div class="chart-row">'+
+              '<div class="col-chart">'+
                 '<canvas id="'+id+'-cpu" width="160" height="50"></canvas>'+
                 '<canvas id="'+id+'-mem" width="160" height="50"></canvas>'+
                 '<canvas id="'+id+'-net" width="160" height="50"></canvas>'+
               '</div>'+
-              '<div class="info-right"></div>';
+              '<div class="col-info"></div>';
             card.appendChild(rowExtra);
           }
           grid.appendChild(card);
@@ -238,7 +238,7 @@
           if (charts && charts[0]) {
             try { charts[0].update(cpuVal); charts[1].update(memVal); charts[2].update(net.rx_bytes_sec||0); } catch(e) {}
           }
-          var infoR = card.querySelector('.info-right');
+          var infoR = card.querySelector('.col-info');
           if (infoR) infoR.innerHTML =
             '<div style="font-size:1.1rem;font-weight:600">CPU '+(cpuVal).toFixed(1)+'%</div>'+
             '<div style="font-size:1.1rem;font-weight:600;margin-top:4px">MEM '+(memVal).toFixed(1)+'%</div>'+