diff --git a/static/app.css b/static/app.css
index 2167d28..ed60b00 100644
--- a/static/app.css
+++ b/static/app.css
@@ -768,6 +768,10 @@ body.auth-page {
     linear-gradient(180deg, color-mix(in oklab, var(--panel-strong) 95%, var(--accent-soft)) 0%, var(--panel) 100%);
 }
 
+.summary-strip .status-band-list {
+  box-shadow: none;
+}
+
 .overview-calm-strip {
   display: grid;
   gap: 10px;
@@ -932,6 +936,10 @@ body.auth-page {
   box-shadow: inset 0 1px 0 color-mix(in oklab, var(--panel-strong) 72%, transparent);
 }
 
+.status-band-item-major {
+  min-width: 220px;
+}
+
 .status-band-item::before {
   content: "";
   position: absolute;
@@ -984,6 +992,13 @@ body.auth-page {
   text-transform: uppercase;
 }
 
+.status-band-meta {
+  color: var(--muted);
+  font-size: 10px;
+  font-weight: 600;
+  line-height: 1.35;
+}
+
 .summary-card small {
   display: block;
   color: var(--muted);
@@ -1151,14 +1166,12 @@ body.auth-page {
   --group-color: var(--accent);
   display: grid;
   gap: 10px;
-  padding: 10px;
+  padding: 10px 0 0;
   border: 1px solid color-mix(in oklab, var(--line) 92%, var(--panel-strong));
   border-radius: 16px;
   background:
     linear-gradient(180deg, color-mix(in oklab, var(--panel-muted) 96%, var(--panel-strong)) 0%, color-mix(in oklab, var(--panel-strong) 96%, var(--panel-muted)) 100%);
-  box-shadow:
-    var(--shadow-soft),
-    inset 0 1px 0 color-mix(in oklab, var(--panel-strong) 76%, transparent);
+  box-shadow: inset 0 1px 0 color-mix(in oklab, var(--panel-strong) 76%, transparent);
 }
 
 .matrix-stack::before {
@@ -1175,7 +1188,7 @@ body.auth-page {
   justify-content: space-between;
   gap: 10px;
   align-items: center;
-  padding: 0 2px;
+  padding: 0 12px;
 }
 
 .matrix-stack-headline {
@@ -1264,6 +1277,12 @@ body.auth-page {
   background: color-mix(in oklab, var(--panel-strong) 96%, var(--panel-muted));
 }
 
+.matrix-stack .matrix-scroll {
+  border: 0;
+  border-radius: 0;
+  background: transparent;
+}
+
 .matrix-row {
   cursor: pointer;
 }
@@ -1710,6 +1729,126 @@ body.auth-page {
   gap: 8px;
 }
 
+.host-row-list-overview {
+  gap: 7px;
+}
+
+.host-strip-overview {
+  border-radius: 12px;
+  background: linear-gradient(180deg, color-mix(in oklab, var(--panel-strong) 98%, var(--panel-muted)) 0%, color-mix(in oklab, var(--panel-muted) 90%, var(--panel-strong)) 100%);
+  box-shadow: none;
+}
+
+.host-strip-overview:hover {
+  transform: none;
+  box-shadow: none;
+}
+
+.host-strip-quiet {
+  border-color: color-mix(in oklab, var(--line) 88%, var(--panel-strong));
+}
+
+.host-strip-main-overview {
+  grid-template-columns: minmax(156px, 196px) minmax(260px, 1fr) minmax(220px, 0.9fr) auto;
+  gap: 12px;
+}
+
+.host-metric-band {
+  display: flex;
+  gap: 10px;
+  align-items: center;
+  flex-wrap: wrap;
+  min-width: 0;
+}
+
+.host-metric-band-fallback {
+  justify-content: flex-start;
+}
+
+.host-metric-inline {
+  display: inline-flex;
+  align-items: baseline;
+  gap: 6px;
+  min-height: 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+  color: var(--muted);
+}
+
+.host-metric-inline small,
+.host-metric-inline strong {
+  display: inline-block;
+}
+
+.host-metric-inline small {
+  color: inherit;
+  font-size: 9px;
+  font-weight: 700;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+}
+
+.host-metric-inline strong {
+  font-size: 11px;
+  line-height: 1.2;
+}
+
+.host-metric-inline.tone-ok strong {
+  color: color-mix(in oklab, var(--ok) 62%, var(--text));
+}
+
+.host-metric-inline.tone-warn strong {
+  color: color-mix(in oklab, var(--warn) 76%, var(--text));
+}
+
+.host-metric-inline.tone-bad strong {
+  color: color-mix(in oklab, var(--bad) 82%, var(--text));
+}
+
+.host-service-summary {
+  display: grid;
+  gap: 4px;
+  min-width: 0;
+}
+
+.host-service-summary small,
+.host-service-summary strong {
+  display: block;
+}
+
+.host-service-summary small {
+  color: var(--muted);
+  font-size: 9px;
+  font-weight: 700;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+}
+
+.host-service-summary-text {
+  overflow: hidden;
+  font-size: 11px;
+  line-height: 1.35;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.host-service-summary.tone-bad .host-service-summary-text {
+  color: color-mix(in oklab, var(--bad) 82%, var(--text));
+}
+
+.host-service-summary.tone-warn .host-service-summary-text {
+  color: color-mix(in oklab, var(--warn) 72%, var(--text));
+}
+
+.host-service-summary.tone-neutral .host-service-summary-text {
+  color: color-mix(in oklab, var(--muted) 76%, var(--text));
+}
+
+.host-inline-state-overview {
+  justify-content: flex-end;
+}
+
 .quiet-host-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
@@ -2787,6 +2926,35 @@ body.auth-page {
   z-index: 12;
 }
 
+.release-task-head {
+  display: flex;
+  justify-content: space-between;
+  gap: 14px;
+  align-items: flex-start;
+  padding-bottom: 10px;
+  border-bottom: 1px solid var(--line);
+}
+
+.release-task-context {
+  display: grid;
+  gap: 3px;
+  min-width: 0;
+}
+
+.release-task-context strong {
+  color: color-mix(in oklab, var(--text) 88%, var(--accent));
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 0.1em;
+  text-transform: uppercase;
+}
+
+.release-task-context span {
+  color: var(--muted);
+  font-size: 10px;
+  letter-spacing: 0.04em;
+}
+
 .release-action-bar {
   display: flex;
   justify-content: space-between;
@@ -2801,71 +2969,56 @@ body.auth-page {
   gap: 8px;
   flex-wrap: wrap;
   align-items: center;
-}
-
-.release-status-grid {
-  display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
-  gap: 8px;
   margin-top: 10px;
 }
 
-.release-status-item {
-  position: relative;
-  min-height: 0;
-  padding: 8px 10px;
-  border: 1px solid var(--line);
-  border-radius: 10px;
-  background: var(--panel-strong);
-  box-shadow: none;
+.release-meta-strip {
+  margin-top: 10px;
+  align-items: stretch;
 }
 
-.release-status-item::before {
-  content: "";
-  position: absolute;
-  left: 0;
-  top: 8px;
-  bottom: 8px;
-  width: 3px;
-  border-radius: 999px;
-  background: color-mix(in oklab, currentColor 46%, transparent);
-  opacity: 0.82;
+.release-inline-meta {
+  display: inline-grid;
+  gap: 3px;
+  min-width: 120px;
+  white-space: normal;
 }
 
-.release-status-item.tone-ok {
-  border-color: color-mix(in oklab, var(--ok) 26%, var(--line));
-  background: color-mix(in oklab, var(--ok-soft) 42%, var(--panel-strong));
-}
-
-.release-status-item.tone-warn {
-  border-color: color-mix(in oklab, var(--warn) 26%, var(--line));
-  background: color-mix(in oklab, var(--warn-soft) 44%, var(--panel-strong));
-}
-
-.release-status-item.tone-bad {
-  border-color: color-mix(in oklab, var(--bad) 26%, var(--line));
-  background: color-mix(in oklab, var(--bad-soft) 42%, var(--panel-strong));
-}
-
-.release-status-item small,
-.release-status-item strong {
+.release-inline-meta small,
+.release-inline-meta strong {
   display: block;
 }
 
-.release-status-item small {
+.release-inline-meta small {
   color: var(--muted);
-  font-size: 10px;
-  text-transform: uppercase;
+  font-size: 9px;
+  font-weight: 700;
   letter-spacing: 0.08em;
+  text-transform: uppercase;
 }
 
-.release-status-item strong {
-  margin-top: 6px;
-  font-size: 12.5px;
-  line-height: 1.45;
+.release-inline-meta strong {
+  font-size: 11px;
+  line-height: 1.4;
   word-break: break-word;
 }
 
+.release-inline-meta.tone-ok strong {
+  color: color-mix(in oklab, var(--ok) 72%, var(--text));
+}
+
+.release-inline-meta.tone-warn strong {
+  color: color-mix(in oklab, var(--warn) 74%, var(--text));
+}
+
+.release-inline-meta.tone-bad strong {
+  color: color-mix(in oklab, var(--bad) 82%, var(--text));
+}
+
+.release-check-strip {
+  margin-top: 8px;
+}
+
 .release-card-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
@@ -2882,6 +3035,7 @@ body.auth-page {
   border: 1px solid var(--line);
   border-radius: 12px;
   background: var(--panel-strong);
+  cursor: pointer;
   transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
   box-shadow: none;
 }
@@ -2901,6 +3055,12 @@ body.auth-page {
   border-color: color-mix(in oklab, var(--accent) 28%, var(--line));
 }
 
+.release-service-card:focus-visible {
+  outline: 0;
+  border-color: color-mix(in oklab, var(--accent) 56%, var(--line-strong));
+  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent-soft) 84%, transparent);
+}
+
 .release-service-card.selected {
   border-color: color-mix(in oklab, var(--accent) 38%, var(--line));
   background: color-mix(in oklab, var(--accent-soft) 26%, var(--panel-strong));
@@ -2975,7 +3135,7 @@ body.auth-page {
 
 .release-service-actions {
   display: grid;
-  gap: 8px;
+  gap: 6px;
   justify-items: end;
   align-self: center;
 }
@@ -2984,17 +3144,39 @@ body.auth-page {
   align-self: flex-start;
 }
 
+.release-service-action-row {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+  justify-content: flex-end;
+  flex-wrap: wrap;
+}
+
+.release-select-state {
+  display: inline-flex;
+  align-items: center;
+  min-height: 24px;
+  padding: 0 9px;
+  border: 1px solid color-mix(in oklab, var(--line) 90%, var(--panel-strong));
+  border-radius: 999px;
+  background: color-mix(in oklab, var(--panel-muted) 94%, var(--panel-strong));
+  color: var(--muted);
+  font-size: 10px;
+  font-weight: 700;
+  letter-spacing: 0.06em;
+}
+
+.release-select-state.is-selected {
+  border-color: color-mix(in oklab, var(--accent) 34%, var(--line));
+  background: color-mix(in oklab, var(--accent-soft) 42%, var(--panel-strong));
+  color: var(--accent);
+}
+
 .release-service-note {
   color: var(--muted);
   margin: 0;
 }
 
-.release-service-actions .inline-copy {
-  justify-content: flex-end;
-  gap: 8px;
-  flex-wrap: wrap;
-}
-
 .precheck-strip {
   display: flex;
   gap: 8px;
@@ -4160,17 +4342,41 @@ body.auth-page {
   font-size: 12px;
 }
 
+.update-field-toggle {
+  justify-content: flex-end;
+}
+
 .update-check {
-  justify-content: center;
-  padding: 12px 14px;
+  flex-direction: row;
+  align-items: center;
+  gap: 10px;
+  min-height: 44px;
+  padding: 0 12px;
   border: 1px solid var(--line);
-  border-radius: 14px;
-  background: var(--panel-muted);
+  border-radius: 12px;
+  background: color-mix(in oklab, var(--panel-muted) 96%, var(--panel-strong));
 }
 
 .update-check input {
   width: 18px;
   height: 18px;
+  margin: 0;
+}
+
+.update-check strong,
+.update-check small {
+  display: block;
+}
+
+.update-check strong {
+  font-size: 12px;
+  line-height: 1.2;
+}
+
+.update-check small {
+  color: var(--muted);
+  font-size: 10px;
+  line-height: 1.2;
 }
 
 .operation-meta {
@@ -4567,10 +4773,12 @@ body.auth-page {
   .taskbar-context,
   .taskbar-inline,
   .metadata-strip,
+  .release-meta-strip,
   .mongo-pager,
   .precheck-strip,
   .compact-workbench-head,
   .activity-item-side,
+  .release-task-head,
   .release-action-bar,
   .release-action-summary,
   .log-viewer-head,
@@ -4599,6 +4807,7 @@ body.auth-page {
   }
 
   .release-action-bar,
+  .release-task-head,
   .log-viewer-head,
   .compact-workbench-head,
   .release-service-head,
@@ -4611,7 +4820,7 @@ body.auth-page {
     justify-items: start;
   }
 
-  .release-service-actions .inline-copy {
+  .release-service-action-row {
     justify-content: flex-start;
   }
 
diff --git a/static/app.js b/static/app.js
index 562fa85..4b5848a 100644
--- a/static/app.js
+++ b/static/app.js
@@ -1568,76 +1568,62 @@ createApp({
     updateAffectedServicesCount() {
       return this.updateOps.result?.services?.length || this.updateOps.selectedServices.length || 0;
     },
-    summaryStripCards() {
+    overviewStatusSegments() {
       const serviceDownTotal = this.allServiceRows.filter((row) => row.downCount > 0).length;
-      const hostAlertTotal = this.allHostRows.filter((host) => host.hasAlert).length;
+      const instanceDownTotal = this.summary.down || 0;
+      const hostAlertTotal = this.overviewAlertHosts.length;
+      const hostMetricDown = this.summary.hostMetricDown || 0;
+      const hostTotal = this.summary.hostTotal || 0;
       const nacosUnavailable = !(this.payload.nacos && this.payload.nacos.ok);
+      const nacosUnhealthyTotal = this.summary.nacosUnhealthyInstanceTotal || 0;
       const mongoUnavailable = !(this.payload.mongo && this.payload.mongo.ok);
-      const tatOk = this.summary.hostMetricOk || 0;
-      const tatTotal = this.summary.hostTotal || 0;
+      const hasCriticalAlert = serviceDownTotal > 0 || instanceDownTotal > 0 || nacosUnavailable || mongoUnavailable;
+      const hasWarning = hostAlertTotal > 0 || hostMetricDown > 0 || nacosUnhealthyTotal > 0;
 
       return [
         {
-          key: "service-down",
-          label: "服务",
-          value: `${serviceDownTotal}/${this.allServiceRows.length}`,
-          suffix: "异常",
-          tone: serviceDownTotal > 0 ? "bad" : "ok",
-          visible: serviceDownTotal > 0,
+          key: "overall",
+          label: "状态",
+          value: hasCriticalAlert ? "存在异常" : hasWarning ? "需要关注" : "当前无异常",
+          meta: hasCriticalAlert
+            ? `${serviceDownTotal} 服务 / ${instanceDownTotal} 实例`
+            : hasWarning
+              ? `${hostAlertTotal} 主机 / ${nacosUnhealthyTotal} Nacos`
+              : `${this.allServiceRows.length} 服务稳定`,
+          tone: hasCriticalAlert ? "bad" : hasWarning ? "warn" : "ok",
         },
         {
-          key: "instance-down",
-          label: "实例",
-          value: `${this.summary.down || 0}/${this.summary.total || 0}`,
-          suffix: "异常",
-          tone: (this.summary.down || 0) > 0 ? "bad" : "ok",
-          visible: (this.summary.down || 0) > 0,
-        },
-        {
-          key: "host-alert",
-          label: "主机",
-          value: `${hostAlertTotal}/${this.summary.hostTotal || 0}`,
-          suffix: "异常",
-          tone: hostAlertTotal > 0 ? "warn" : "ok",
-          visible: hostAlertTotal > 0,
+          key: "hosts",
+          label: "业务主机",
+          value: `${this.overviewHostRows.length} 台`,
+          meta: hostAlertTotal > 0 ? `${hostAlertTotal} 台异常` : `${this.overviewQuietServiceTotal} 服务在线`,
+          tone: hostAlertTotal > 0 ? (this.overviewAlertHosts.some((host) => host.downCount > 0) ? "bad" : "warn") : "ok",
         },
         {
           key: "nacos",
           label: "Nacos",
-          value: nacosUnavailable ? "ERR" : String(this.summary.nacosUnhealthyInstanceTotal || 0),
-          suffix: nacosUnavailable ? "" : "异常",
-          tone: nacosUnavailable || (this.summary.nacosUnhealthyInstanceTotal || 0) > 0 ? "bad" : "ok",
-          visible: nacosUnavailable || (this.summary.nacosUnhealthyInstanceTotal || 0) > 0,
+          value: nacosUnavailable ? "连接异常" : nacosUnhealthyTotal > 0 ? `${nacosUnhealthyTotal} 异常` : "连接正常",
+          meta: `${this.payload.nacos?.summary?.serviceTotal || 0} 服务`,
+          tone: nacosUnavailable ? "bad" : nacosUnhealthyTotal > 0 ? "warn" : "ok",
         },
         {
           key: "mongo",
           label: "Mongo",
-          value: mongoUnavailable ? "ERR" : String(this.summary.mongoDatabaseTotal || 0),
-          suffix: mongoUnavailable ? "" : "库",
+          value: mongoUnavailable ? "连接异常" : `${this.summary.mongoDatabaseTotal || 0} 库`,
+          meta: mongoUnavailable ? "deploy 直连失败" : "连接正常",
           tone: mongoUnavailable ? "bad" : "ok",
-          visible: mongoUnavailable,
         },
         {
           key: "tat",
           label: "TAT",
-          value: `${tatOk}/${tatTotal}`,
-          suffix: "正常",
-          tone: (this.summary.hostMetricDown || 0) > 0 ? "warn" : "ok",
-          visible: (this.summary.hostMetricDown || 0) > 0,
+          value: `${this.summary.hostMetricOk || 0}/${hostTotal}`,
+          meta: hostMetricDown > 0 ? `${hostMetricDown} 台异常` : "采集正常",
+          tone: hostMetricDown > 0 ? "warn" : "ok",
         },
-      ].filter((card) => card.visible);
+      ];
     },
-    overviewHealthyCards() {
+    overviewHealthyInfraCards() {
       const cards = [];
-      if (this.overviewQuietHosts.length > 0) {
-        cards.push({
-          key: "hosts",
-          label: "业务主机",
-          value: `${this.overviewQuietHosts.length} 台`,
-          meta: "正常",
-          tone: "ok",
-        });
-      }
       if (this.payload.nacos && this.payload.nacos.ok && (this.summary.nacosUnhealthyInstanceTotal || 0) === 0) {
         cards.push({
           key: "nacos",
@@ -1667,9 +1653,6 @@ createApp({
       }
       return cards;
     },
-    overviewHealthyInfraCards() {
-      return this.overviewHealthyCards.filter((card) => card.key !== "hosts");
-    },
     overviewHealthyHostGroups() {
       const groups = new Map();
       this.overviewQuietHosts.forEach((host) => {
diff --git a/static/index.html b/static/index.html
index 8e00145..abecfed 100644
--- a/static/index.html
+++ b/static/index.html
@@ -300,34 +300,16 @@
         <p v-if="error" class="toolbar-error">加载失败：{{ error }}</p>
 
         <template v-if="!showLoadingSkeleton && (activeView === 'overview' || activeView === 'services')">
-            <section v-if="activeView === 'overview' && summaryStripCards.length > 0" class="panel summary-strip">
+            <section v-if="activeView === 'overview' && overviewStatusSegments.length > 0" class="panel summary-strip">
                 <div class="summary-cards status-band-list">
                     <article
-                        v-for="card in summaryStripCards"
+                        v-for="card in overviewStatusSegments"
                         :key="card.key"
-                        :class="['summary-tile', 'status-band-item', `tone-${card.tone}`]"
+                        :class="['summary-tile', 'status-band-item', card.key === 'overall' ? 'status-band-item-major' : '', `tone-${card.tone}`]"
                     >
                         <span class="summary-strip-label">{{ card.label }}</span>
                         <strong>{{ card.value }}</strong>
-                        <span v-if="card.suffix" class="status-band-suffix">{{ card.suffix }}</span>
-                    </article>
-                </div>
-            </section>
-
-            <section v-else-if="activeView === 'overview' && overviewHealthyCards.length > 0" class="panel overview-calm-strip">
-                <div class="overview-calm-head">
-                    <span class="badge ok">当前无异常</span>
-                    <span class="overview-calm-meta">{{ overviewHealthyCards.length }} 组健康状态</span>
-                </div>
-                <div class="overview-calm-grid">
-                    <article
-                        v-for="card in overviewHealthyCards"
-                        :key="'healthy-' + card.key"
-                        :class="['overview-calm-card', `tone-${card.tone}`]"
-                    >
-                        <small>{{ card.label }}</small>
-                        <strong>{{ card.value }}</strong>
-                        <span>{{ card.meta }}</span>
+                        <span class="status-band-meta">{{ card.meta }}</span>
                     </article>
                 </div>
             </section>
@@ -572,58 +554,54 @@
                                 <span>{{ overviewAlertHosts.filter((host) => host.hasMetricIssue).length }} 采集异常</span>
                             </div>
                         </div>
-                        <div class="host-row-list">
+                        <div class="host-row-list host-row-list-overview">
                             <article
                                 v-for="host in overviewAlertHosts"
                                 :key="host.host"
                                 :class="[
                                     'host-strip',
+                                    'host-strip-overview',
                                     host.hasAlert ? 'host-strip-alert' : '',
                                     isHostHighlighted(host) ? 'host-strip-focused' : ''
                                 ]"
                                 :data-group="host.group"
                             >
-                                <div class="host-strip-main" @click="selectHost(host.host)">
+                                <div class="host-strip-main host-strip-main-overview" @click="selectHost(host.host)">
                                     <div class="host-strip-id">
                                         <strong>{{ host.host }}</strong>
                                         <span>{{ host.ip }} · {{ host.groupLabel }}</span>
                                     </div>
 
-                                    <div v-if="hostHasMetricData(host)" class="host-inline-metrics compact-metrics">
-                                        <div
+                                    <div v-if="hostHasMetricData(host)" class="host-metric-band">
+                                        <span
                                             v-for="metric in hostMetricEntries(host)"
                                             :key="host.host + '-' + metric.key"
-                                            :class="['metric-ring-chip', `tone-${metric.level}`]"
+                                            :class="['host-metric-inline', `tone-${metric.level}`]"
                                         >
-                                            <span class="metric-ring" :style="metricRingStyle(metric.value, metric.level)">
-                                                <span class="metric-ring-hole"></span>
-                                            </span>
-                                            <span class="metric-ring-copy">
-                                                <small>{{ metric.label }}</small>
-                                                <strong>{{ metric.display }}</strong>
-                                            </span>
-                                        </div>
-                                        <span :class="['metric-stat-chip', `tone-${host.metrics.processLevel || thresholdTone('processCount', host.metrics.processCount)}`]">
+                                            <small>{{ metric.label }}</small>
+                                            <strong>{{ metric.display }}</strong>
+                                        </span>
+                                        <span :class="['host-metric-inline', `tone-${host.metrics.processLevel || thresholdTone('processCount', host.metrics.processCount)}`]">
                                             <small>PROC</small>
                                             <strong>{{ host.metrics.processCount ?? '-' }}</strong>
                                         </span>
                                     </div>
-                                    <div v-else class="host-inline-metrics compact-metrics compact-metrics-fallback">
-                                        <span :class="['metric-state-chip', host.hasMetricIssue ? 'tone-warn' : 'tone-neutral']">
+                                    <div v-else class="host-metric-band host-metric-band-fallback">
+                                        <span :class="['host-metric-inline', host.hasMetricIssue ? 'tone-warn' : 'tone-neutral']">
                                             <small>TAT</small>
                                             <strong>{{ hostMetricStatusLabel(host) }}</strong>
                                         </span>
                                     </div>
 
-                                    <div :class="['host-alert-summary', `tone-${hostSummaryTone(host)}`]">
+                                    <div :class="['host-service-summary', `tone-${hostSummaryTone(host)}`]">
                                         <small>{{ host.downCount > 0 ? '异常服务' : host.hasMetricIssue ? '采集状态' : '在线服务' }}</small>
-                                        <span class="host-alert-path">{{ host.downCount > 0 ? host.alertSummary : host.quietSummary }}</span>
+                                        <strong class="host-service-summary-text">{{ host.downCount > 0 ? host.alertSummary : host.quietSummary }}</strong>
                                     </div>
 
-                                    <div class="host-inline-state">
+                                    <div class="host-inline-state host-inline-state-overview">
                                         <span class="badge neutral">{{ host.serviceTotal }} 服务</span>
                                         <span :class="['badge', host.downCount > 0 ? 'bad' : 'neutral']">{{ host.downCount }} 异常</span>
-                                        <span :class="['badge', host.hasMetricIssue ? 'bad' : 'neutral']">{{ host.hasMetricIssue ? '采集异常' : '指标正常' }}</span>
+                                        <span :class="['badge', host.hasMetricIssue ? 'warn' : 'neutral']">{{ host.hasMetricIssue ? '采集异常' : (isHostExpanded(host.host) ? '收起' : '展开') }}</span>
                                     </div>
                                 </div>
 
@@ -663,44 +641,70 @@
                             <small>{{ overviewHealthyHostsOpen ? '收起' : '展开' }}</small>
                         </button>
 
-                        <div v-if="overviewHealthyHostsOpen || overviewAlertHosts.length === 0" class="quiet-host-grid">
-                            <button
+                        <div v-if="overviewHealthyHostsOpen || overviewAlertHosts.length === 0" class="host-row-list host-row-list-overview">
+                            <article
                                 v-for="host in overviewQuietHosts"
                                 :key="'quiet-' + host.host"
-                                :class="['quiet-host-card', isHostHighlighted(host) ? 'active' : '']"
+                                :class="[
+                                    'host-strip',
+                                    'host-strip-overview',
+                                    'host-strip-quiet',
+                                    isHostHighlighted(host) ? 'host-strip-focused' : ''
+                                ]"
                                 :data-group="host.group"
                                 @click="selectHost(host.host)"
                             >
-                                <div class="quiet-host-head">
-                                    <strong>{{ host.host }}</strong>
-                                    <span>{{ host.ip }} · {{ host.groupLabel }}</span>
-                                </div>
-                                <div v-if="hostHasMetricData(host)" class="quiet-host-metrics">
-                                    <div
-                                        v-for="metric in hostMetricEntries(host)"
-                                        :key="'quiet-' + host.host + '-' + metric.key"
-                                        :class="['metric-ring-chip', 'metric-ring-chip-quiet', `tone-${metric.level}`]"
-                                    >
-                                        <span class="metric-ring" :style="metricRingStyle(metric.value, metric.level)">
-                                            <span class="metric-ring-hole"></span>
-                                        </span>
-                                        <span class="metric-ring-copy">
+                                <div class="host-strip-main host-strip-main-overview">
+                                    <div class="host-strip-id">
+                                        <strong>{{ host.host }}</strong>
+                                        <span>{{ host.ip }} · {{ host.groupLabel }}</span>
+                                    </div>
+
+                                    <div v-if="hostHasMetricData(host)" class="host-metric-band">
+                                        <span
+                                            v-for="metric in hostMetricEntries(host)"
+                                            :key="'quiet-' + host.host + '-' + metric.key"
+                                            :class="['host-metric-inline', `tone-${metric.level}`]"
+                                        >
                                             <small>{{ metric.label }}</small>
                                             <strong>{{ metric.display }}</strong>
                                         </span>
+                                        <span :class="['host-metric-inline', `tone-${host.metrics.processLevel || thresholdTone('processCount', host.metrics.processCount)}`]">
+                                            <small>PROC</small>
+                                            <strong>{{ host.metrics.processCount ?? '-' }}</strong>
+                                        </span>
+                                    </div>
+                                    <div v-else class="host-metric-band host-metric-band-fallback">
+                                        <span class="host-metric-inline tone-neutral">
+                                            <small>TAT</small>
+                                            <strong>{{ hostMetricStatusLabel(host) }}</strong>
+                                        </span>
+                                    </div>
+
+                                    <div class="host-service-summary tone-neutral">
+                                        <small>在线服务</small>
+                                        <strong class="host-service-summary-text">{{ host.quietSummary }}</strong>
+                                    </div>
+
+                                    <div class="host-inline-state host-inline-state-overview">
+                                        <span class="badge neutral">{{ host.serviceTotal }} 服务</span>
+                                        <span class="badge neutral">{{ isHostExpanded(host.host) ? '收起' : '展开' }}</span>
                                     </div>
                                 </div>
-                                <div v-else class="quiet-host-metrics quiet-host-metrics-fallback">
-                                    <span class="metric-state-chip tone-neutral">
-                                        <small>TAT</small>
-                                        <strong>{{ hostMetricStatusLabel(host) }}</strong>
-                                    </span>
+
+                                <div v-if="isHostExpanded(host.host)" class="host-strip-detail host-strip-detail-list">
+                                    <button
+                                        v-for="item in host.items"
+                                        :key="'quiet-detail-' + host.host + '-' + item.service"
+                                        :class="['host-detail-line', toneClass(item.level || (item.ok ? 'ok' : 'bad'))]"
+                                        @click.stop="selectService(item.service); activeView = 'services'"
+                                    >
+                                        <strong>{{ item.service }}</strong>
+                                        <span>{{ item.statusCode || 'UP' }} · {{ formatLatency(item.latencyMs) }}</span>
+                                    </button>
+                                    <div v-if="host.items.length === 0" class="empty-panel compact">当前主机没有服务实例</div>
                                 </div>
-                                <div class="quiet-host-foot">
-                                    <span class="badge neutral">{{ host.serviceTotal }} 服务</span>
-                                    <span class="badge neutral">{{ host.quietSummary }}</span>
-                                </div>
-                            </button>
+                            </article>
                         </div>
                     </section>
                 </div>
@@ -2930,16 +2934,10 @@
 
         <template v-if="!showLoadingSkeleton && activeView === 'release'">
             <section class="panel release-status-strip sticky-release-strip">
-                <div class="release-action-bar">
-                    <div class="release-action-summary">
-                        <span :class="['badge', updateStatusBadgeClass()]">{{ updateStatusLabel() }}</span>
-                        <span class="badge neutral">更新目标 {{ releaseTargetRows.length }}</span>
-                        <span class="badge neutral">重启目标 {{ restartTargetRows.length }}</span>
-                        <span class="badge neutral">已选更新 {{ updateOps.selectedServices.length }}</span>
-                        <span class="badge neutral">已选重启 {{ restartOps.selectedServices.length }}</span>
-                        <span :class="['badge', updateOps.error || restartOps.error ? 'bad' : releasePrecheck.ok ? 'ok' : 'neutral']">
-                            {{ releasePrecheck.ranAt ? releasePrecheck.title : '未预检查' }}
-                        </span>
+                <div class="release-task-head">
+                    <div class="release-task-context">
+                        <strong>发布工作台</strong>
+                        <span>构建参数 → 更新目标 → 执行日志 → 滚动重启</span>
                     </div>
                     <div class="action-group">
                         <button class="refresh ghost" @click="refreshReleaseTargets" :disabled="updateOps.loading || restartOps.loading || updateOps.running || restartOps.running">
@@ -2955,14 +2953,29 @@
                     </div>
                 </div>
 
-                <div class="release-status-grid">
-                    <article v-for="item in releaseStatusSummary" :key="item.label" :class="['release-status-item', `tone-${item.tone}`]">
-                        <small>{{ item.label }}</small>
-                        <strong :title="item.value">{{ item.value }}</strong>
-                    </article>
+                <div class="release-action-summary">
+                    <span :class="['badge', updateStatusBadgeClass()]">{{ updateStatusLabel() }}</span>
+                    <span class="badge neutral">更新目标 {{ releaseTargetRows.length }}</span>
+                    <span class="badge neutral">重启目标 {{ restartTargetRows.length }}</span>
+                    <span class="badge neutral">已选更新 {{ updateOps.selectedServices.length }}</span>
+                    <span class="badge neutral">已选重启 {{ restartOps.selectedServices.length }}</span>
+                    <span :class="['badge', updateOps.error || restartOps.error ? 'bad' : releasePrecheck.ok ? 'ok' : 'neutral']">
+                        {{ releasePrecheck.ranAt ? releasePrecheck.title : '未预检查' }}
+                    </span>
                 </div>
 
-                <div v-if="releasePrecheck.ranAt" class="precheck-strip">
+                <div class="metadata-strip metadata-strip-tight release-meta-strip">
+                    <span
+                        v-for="item in releaseStatusSummary"
+                        :key="item.label"
+                        :class="['release-inline-meta', `tone-${item.tone}`]"
+                    >
+                        <small>{{ item.label }}</small>
+                        <strong :title="item.value">{{ item.value }}</strong>
+                    </span>
+                </div>
+
+                <div v-if="releasePrecheck.ranAt" class="precheck-strip release-check-strip">
                     <span :class="['badge', releasePrecheck.tone]">{{ releasePrecheck.title }}</span>
                     <span class="badge neutral">执行于 {{ formatDateTime(releasePrecheck.ranAt) }}</span>
                     <span
@@ -3011,10 +3024,14 @@
                         <span>Image Tag</span>
                         <input v-model.trim="updateOps.imageTag" class="search" placeholder="可选，不填则自动生成" />
                     </label>
-                    <label class="update-check">
-                        <input v-model="updateOps.skipMavenBuild" type="checkbox" />
-                        <span>跳过 Maven</span>
-                    </label>
+                    <div class="update-field update-field-toggle">
+                        <span>构建选项</span>
+                        <label class="update-check">
+                            <input v-model="updateOps.skipMavenBuild" type="checkbox" />
+                            <strong>跳过 Maven</strong>
+                            <small>仅影响 Java 构建阶段</small>
+                        </label>
+                    </div>
                 </div>
             </section>
 
@@ -3037,6 +3054,11 @@
                         :key="'update-' + item.service"
                         :class="['release-service-card', updateOps.selectedServices.includes(item.service) ? 'selected' : '']"
                         :data-kind="item.kind"
+                        role="button"
+                        tabindex="0"
+                        @click="toggleUpdateService(item.service)"
+                        @keydown.enter.prevent="toggleUpdateService(item.service)"
+                        @keydown.space.prevent="toggleUpdateService(item.service)"
                     >
                         <header class="release-service-head">
                             <div class="release-service-title">
@@ -3052,23 +3074,20 @@
                                 </div>
                             </div>
                             <div class="release-service-actions">
+                                <span :class="['release-select-state', updateOps.selectedServices.includes(item.service) ? 'is-selected' : '']">
+                                    {{ updateOps.selectedServices.includes(item.service) ? '已选' : '未选' }}
+                                </span>
                                 <small class="table-subtext mono release-service-note" :title="item.repository">{{ item.repositoryShort }}</small>
-                                <div class="inline-copy">
+                                <div class="release-service-action-row">
                                     <button
                                         v-if="item.copyValue"
                                         class="refresh ghost inline-button"
-                                        @click="copyText(item.copyValue, 'image-' + item.service)"
+                                        @click.stop="copyText(item.copyValue, 'image-' + item.service)"
+                                        @keydown.enter.stop
+                                        @keydown.space.stop
                                     >
                                         {{ isCopied('image-' + item.service) ? '已复制' : '复制' }}
                                     </button>
-                                    <label :class="['table-check', updateOps.selectedServices.includes(item.service) ? 'checked' : '']">
-                                        <input
-                                            :checked="updateOps.selectedServices.includes(item.service)"
-                                            type="checkbox"
-                                            @change="toggleUpdateService(item.service)"
-                                        />
-                                        <span>{{ updateOps.selectedServices.includes(item.service) ? '已选' : '选择' }}</span>
-                                    </label>
                                 </div>
                             </div>
                         </header>
@@ -3111,19 +3130,6 @@
                     <div v-else class="empty-panel compact">当前还没有可展示的执行日志</div>
                 </section>
 
-                <div class="activity-list compact activity-grid" v-if="releaseHistoryRows.length > 0">
-                    <article v-for="item in releaseHistoryRows" :key="item.id" :class="['activity-item', 'compact', `tone-${item.tone}`]">
-                        <div class="activity-item-main">
-                            <strong>{{ item.title }}</strong>
-                            <span>{{ item.detail }}</span>
-                        </div>
-                        <div class="activity-item-side">
-                            <small>{{ item.scope }}</small>
-                            <small>{{ item.time }}</small>
-                        </div>
-                    </article>
-                </div>
-
                 <details v-if="updateOps.result && ((updateOps.result.build || updateOps.result.builds) || updateOps.result.preparedHosts || updateOps.result.steps)" class="result-disclosure">
                     <summary>执行结果明细</summary>
 
@@ -3232,6 +3238,11 @@
                         :key="'restart-' + item.service"
                         :class="['release-service-card', restartOps.selectedServices.includes(item.service) ? 'selected' : '']"
                         :data-kind="item.kind"
+                        role="button"
+                        tabindex="0"
+                        @click="toggleRestartService(item.service)"
+                        @keydown.enter.prevent="toggleRestartService(item.service)"
+                        @keydown.space.prevent="toggleRestartService(item.service)"
                     >
                         <header class="release-service-head">
                             <div class="release-service-title">
@@ -3245,14 +3256,9 @@
                                 </div>
                             </div>
                             <div class="release-service-actions release-service-actions-tight">
-                                <label :class="['table-check', restartOps.selectedServices.includes(item.service) ? 'checked' : '']">
-                                    <input
-                                        :checked="restartOps.selectedServices.includes(item.service)"
-                                        type="checkbox"
-                                        @change="toggleRestartService(item.service)"
-                                    />
-                                    <span>{{ restartOps.selectedServices.includes(item.service) ? '已选' : '选择' }}</span>
-                                </label>
+                                <span :class="['release-select-state', restartOps.selectedServices.includes(item.service) ? 'is-selected' : '']">
+                                    {{ restartOps.selectedServices.includes(item.service) ? '已选' : '未选' }}
+                                </span>
                             </div>
                         </header>
                     </article>