diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 79bee1b..0281f76 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -56,12 +56,14 @@
     .node-notes { font-size:.75rem; color:var(--text-dim); font-style:italic; margin-bottom:8px }
     /* 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:220px 1fr 180px;gap:16px;align-items:start }
-    #sentinel-grid.layout-row .row-extra { display:contents }
+    #sentinel-grid.layout-row .node-card { display:grid;grid-template-columns:220px 1fr 180px;gap:12px 16px;align-items:start }
+    #sentinel-grid.layout-row .col-left { min-width:0 }
+    #sentinel-grid.layout-row .col-mid { min-width:0 }
+    #sentinel-grid.layout-row .col-right { display:flex;flex-direction:column;gap:8px }
     #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 .node-time { grid-column:1/-1;margin-top:8px }
     #sentinel-grid.layout-row .metric-bar { display:none }
     .metric-row { display:flex; gap:12px; margin-bottom:8px }
     .metric { flex:1 }
@@ -177,26 +179,32 @@
           card.setAttribute('data-id', id);
           var plat = n.platform || {};
           var sysInfo = (plat.system||'') + (plat.release ? ' ' + plat.release : '') + (plat.machine ? ' | ' + plat.machine : '');
-          // 两种模式用同一套 DOM, CSS 控制布局
-          card.innerHTML =
-            '<div class="node-name">'+(n.online?'🟢':'🔴')+' '+esc(n.name)+'</div>'+
-            (sysInfo.trim() ? '<div class="node-sys">'+esc(sysInfo)+'</div>' : '')+
-            '<div class="node-url">'+esc(n.url||'')+'</div>'+
-            (n.notes ? '<div class="node-notes">📝 '+esc(n.notes)+'</div>' : '')+
-            '<div class="metrics-body"></div>'+
-            '<div class="node-time"></div>';
           if (isRow) {
-            // 横版: 额外加折线图 canvas + 右侧信息区
-            var rowExtra = document.createElement('div');
-            rowExtra.className = 'row-extra';
-            rowExtra.innerHTML =
-              '<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>'+
+            card.innerHTML =
+              '<div class="col-left">'+
+                '<div class="node-name">'+(n.online?'🟢':'🔴')+' '+esc(n.name)+'</div>'+
+                (sysInfo.trim() ? '<div class="node-sys">'+esc(sysInfo)+'</div>' : '')+
+                '<div class="node-url">'+esc(n.url||'')+'</div>'+
+                (n.notes ? '<div class="node-notes">📝 '+esc(n.notes)+'</div>' : '')+
               '</div>'+
-              '<div class="col-info"></div>';
-            card.appendChild(rowExtra);
+              '<div class="col-mid"><div class="metrics-body"></div></div>'+
+              '<div class="col-right">'+
+                '<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="col-info"></div>'+
+              '</div>'+
+              '<div class="node-time"></div>';
+          } else {
+            card.innerHTML =
+              '<div class="node-name">'+(n.online?'🟢':'🔴')+' '+esc(n.name)+'</div>'+
+              (sysInfo.trim() ? '<div class="node-sys">'+esc(sysInfo)+'</div>' : '')+
+              '<div class="node-url">'+esc(n.url||'')+'</div>'+
+              (n.notes ? '<div class="node-notes">📝 '+esc(n.notes)+'</div>' : '')+
+              '<div class="metrics-body"></div>'+
+              '<div class="node-time"></div>';
           }
           grid.appendChild(card);
           _cardCache[id] = card;