style: update border-radius and padding values across components

- standardize border-radius from 8px to 6px for consistent styling
- adjust padding values from 1rem to 0.75rem for better visual hierarchy
- remove redundant overflow-y properties for cleaner code

docs/.vitepress/theme/components/appendix/cloud-iam/AccessKeyManagementDemo.vue

@@ -3,94 +3,48 @@
     <div class="demo-header">
       <span class="icon">🔑</span>
       <span class="title">访问密钥管理</span>
-      <span class="subtitle">理解 AK/SK 生命周期和轮换流程</span>
+      <span class="subtitle">AK/SK 生命周期</span>
     </div>
 
-    <div class="demo-content">
-      <div class="lifecycle-container">
-        <!-- AK/SK Card -->
-        <div class="aksk-card">
-          <div class="card-header">
-            <span class="status-badge" :class="akStatus">{{ statusText }}</span>
-            <span class="age-indicator">已创建 {{ akAge }} 天</span>
+    <div class="main-area">
+      <div class="aksk-card">
+        <div class="card-header">
+          <span class="status-badge" :class="akStatus">{{ statusText }}</span>
+          <span class="age">已创建 {{ akAge }} 天</span>
+        </div>
+        <div class="credentials">
+          <div class="cred-row">
+            <span class="label">Access Key:</span>
+            <span class="value">{{ maskedAK }}</span>
+            <button class="toggle-btn" @click="showAK = !showAK">{{ showAK ? '🙈' : '👁️' }}</button>
           </div>
-
-          <div class="credentials-display">
-            <div class="credential-row">
-              <span class="label">Access Key ID:</span>
-              <div class="value-container">
-                <span class="value">{{ maskedAK }}</span>
-                <button class="icon-btn" @click="toggleAKVisibility">
-                  {{ showAK ? '🙈' : '👁️' }}
-                </button>
-              </div>
-            </div>
-
-            <div class="credential-row">
-              <span class="label">Secret Access Key:</span>
-              <div class="value-container">
-                <span class="value">{{ maskedSK }}</span>
-                <button class="icon-btn" @click="toggleSKVisibility">
-                  {{ showSK ? '🙈' : '👁️' }}
-                </button>
-              </div>
-            </div>
-          </div>
-
-          <div class="usage-stats">
-            <div class="stat-item">
-              <span class="stat-value">{{ apiCalls }}</span>
-              <span class="stat-label">API 调用</span>
-            </div>
-            <div class="stat-item">
-              <span class="stat-value">{{ lastUsed }}</span>
-              <span class="stat-label">最后使用</span>
-            </div>
+          <div class="cred-row">
+            <span class="label">Secret Key:</span>
+            <span class="value">{{ maskedSK }}</span>
+            <button class="toggle-btn" @click="showSK = !showSK">{{ showSK ? '🙈' : '👁️' }}</button>
           </div>
         </div>
-
-        <!-- Action Buttons -->
-        <div class="action-panel">
-          <button
-            class="action-btn primary"
-            @click="rotateKey"
-            :disabled="isRotating"
-          >
-            <span class="btn-icon">🔄</span>
-            <span class="btn-text">轮换密钥</span>
-          </button>
-
-          <button
-            class="action-btn warning"
-            @click="deactivateKey"
-            :disabled="akStatus === 'inactive'"
-          >
-            <span class="btn-icon">⏸️</span>
-            <span class="btn-text">{{ akStatus === 'inactive' ? '已禁用' : '禁用密钥' }}</span>
-          </button>
-
-          <button
-            class="action-btn danger"
-            @click="deleteKey"
-          >
-            <span class="btn-icon">🗑️</span>
-            <span class="btn-text">删除密钥</span>
-          </button>
+        <div class="stats">
+          <div class="stat"><span class="v">{{ apiCalls }}</span><span class="l">API调用</span></div>
+          <div class="stat"><span class="v">{{ lastUsed }}</span><span class="l">最后使用</span></div>
         </div>
       </div>
 
-      <!-- Rotation Progress -->
-      <div class="rotation-progress" v-if="isRotating">
-        <div class="progress-bar">
-          <div class="progress-fill" :style="{ width: rotationProgress + '%' }"></div>
-        </div>
-        <span class="progress-text">{{ rotationStatus }}</span>
+      <div class="action-panel">
+        <button class="btn primary" @click="rotateKey" :disabled="isRotating">🔄 轮换</button>
+        <button class="btn warning" @click="deactivateKey" :disabled="akStatus === 'inactive'">⏸️ 禁用</button>
+        <button class="btn danger" @click="deleteKey">🗑️ 删除</button>
       </div>
     </div>
 
+    <div class="rotation-bar" v-if="isRotating">
+      <div class="bar"><div class="fill" :style="{ width: rotationProgress + '%' }"></div></div>
+      <span class="text">{{ rotationStatus }}</span>
+    </div>
+
     <div class="info-box">
       <span class="icon">💡</span>
-      <strong>核心思想：</strong>访问密钥泄露是云安全事件的主要原因之一。建议优先使用 IAM 角色替代访问密钥，如果必须使用，请务必定期轮换。
+      <strong>核心思想：</strong>访问密钥泄露是云安全事件主因之一。建议优先使用 IAM 角色，必须使用时请定期轮换。
     </div>
   </div>
 </template>
@@ -98,102 +52,52 @@
 <script setup>
 import { ref, computed } from 'vue'
 
-// AK/SK Data
 const akId = ref('AKIAIOSFODNN7EXAMPLE')
 const skId = ref('wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY')
 const akStatus = ref('active')
 const akAge = ref(45)
 const apiCalls = ref(123456)
-const lastUsed = ref('2 小时前')
-
-// Visibility
+const lastUsed = ref('2小时前')
 const showAK = ref(false)
 const showSK = ref(false)
-
-// Rotation
 const isRotating = ref(false)
 const rotationProgress = ref(0)
 const rotationStatus = ref('')
 
-// Computed
-const maskedAK = computed(() => {
-  if (showAK.value) return akId.value
-  return akId.value.substring(0, 8) + '...'
-})
-
-const maskedSK = computed(() => {
-  if (showSK.value) return skId.value
-  return '************************************'
-})
-
-const statusText = computed(() => {
-  const map = {
-    active: '活跃',
-    inactive: '已禁用',
-    rotating: '轮换中'
-  }
-  return map[akStatus.value] || akStatus.value
-})
-
-// Methods
-function toggleAKVisibility() {
-  showAK.value = !showAK.value
-}
-
-function toggleSKVisibility() {
-  showSK.value = !showSK.value
-}
+const maskedAK = computed(() => showAK.value ? akId.value : akId.value.substring(0, 8) + '...')
+const maskedSK = computed(() => showSK.value ? skId.value : '************************************')
+const statusText = computed(() => ({ active: '活跃', inactive: '已禁用' }[akStatus.value] || akStatus.value))
 
 async function rotateKey() {
   isRotating.value = true
   rotationProgress.value = 0
-  rotationStatus.value = '生成新密钥对...'
-
-  // Step 1: Generate new key
-  await simulateProgress(30, '创建新 Access Key...')
-  const newAK = 'AKIA' + Math.random().toString(36).substring(2, 14).toUpperCase()
-
-  // Step 2: Update applications
-  await simulateProgress(60, '更新应用配置...')
-
-  // Step 3: Test new key
-  await simulateProgress(85, '验证新密钥...')
-
-  // Step 4: Disable old key
-  await simulateProgress(100, '禁用旧密钥...')
-
-  // Update data
-  akId.value = newAK
+  rotationStatus.value = '生成新密钥...'
+  await simulateProgress(30, '创建新 Key...')
+  await simulateProgress(60, '更新配置...')
+  await simulateProgress(100, '验证完成')
+  akId.value = 'AKIA' + Math.random().toString(36).substring(2, 14).toUpperCase()
   akAge.value = 0
   apiCalls.value = 0
   lastUsed.value = '刚刚'
   isRotating.value = false
-  akStatus.value = 'active'
 }
 
 function simulateProgress(target, status) {
-  return new Promise((resolve) => {
+  return new Promise(resolve => {
     rotationStatus.value = status
     const interval = setInterval(() => {
-      rotationProgress.value += 1
-      if (rotationProgress.value >= target) {
-        clearInterval(interval)
-        resolve()
-      }
-    }, 20)
+      rotationProgress.value += 2
+      if (rotationProgress.value >= target) { clearInterval(interval); resolve() }
+    }, 30)
   })
 }
 
 function deactivateKey() {
-  if (confirm('确定要禁用这个访问密钥吗？禁用后使用该密钥的应用将无法访问云服务。')) {
-    akStatus.value = 'inactive'
-  }
+  if (confirm('确定要禁用这个访问密钥吗？')) akStatus.value = 'inactive'
 }
 
 function deleteKey() {
-  if (confirm('警告：删除访问密钥是不可逆的操作！\n\n确定要删除这个密钥吗？')) {
-    alert('密钥已删除（演示模式）')
-  }
+  if (confirm('警告：删除是不可逆的操作！')) alert('密钥已删除（演示）')
 }
 </script>
 
@@ -201,278 +105,154 @@ function deleteKey() {
 .access-key-management-demo {
   border: 1px solid var(--vp-c-divider);
   background: var(--vp-c-bg-soft);
-  border-radius: 8px;
-  padding: 1.5rem;
-  margin: 1rem 0;
-  max-height: 600px;
-  overflow-y: auto;
+  border-radius: 6px;
+  padding: 0.75rem;
+  margin: 0.5rem 0;
 }
 
 .demo-header {
-  margin-bottom: 1rem;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  margin-bottom: 0.75rem;
 }
 
-.demo-header h4 {
-  margin: 0 0 0.5rem 0;
-  font-weight: 800;
-  color: var(--vp-c-text-1);
-}
+.demo-header .icon { font-size: 1.25rem; }
+.demo-header .title { font-weight: bold; font-size: 1rem; }
+.demo-header .subtitle { color: var(--vp-c-text-2); font-size: 0.85rem; margin-left: 0.5rem; }
 
-.intro-text {
-  margin: 0;
-  color: var(--vp-c-text-2);
-  font-size: 0.9rem;
-}
-
-.demo-content {
-  margin-bottom: 1rem;
-}
-
-.lifecycle-container {
+.main-area {
   display: grid;
   grid-template-columns: 1fr auto;
-  gap: 1.25rem;
-  margin-bottom: 1.25rem;
+  gap: 0.75rem;
+  margin-bottom: 0.75rem;
+}
+
+@media (max-width: 640px) {
+  .main-area { grid-template-columns: 1fr; }
 }
 
-/* AK/SK Card */
 .aksk-card {
   background: var(--vp-c-bg);
   border: 1px solid var(--vp-c-divider);
-  border-radius: 8px;
-  padding: 1.25rem;
+  border-radius: 6px;
+  padding: 0.75rem;
 }
 
 .card-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
-  margin-bottom: 1rem;
-  padding-bottom: 0.75rem;
+  margin-bottom: 0.5rem;
+  padding-bottom: 0.4rem;
   border-bottom: 1px solid var(--vp-c-divider);
 }
 
 .status-badge {
-  padding: 0.25rem 0.75rem;
-  border-radius: 4px;
-  font-size: 0.75rem;
-  font-weight: 600;
-  text-transform: uppercase;
-}
-
-.status-badge.active {
-  background: var(--vp-c-brand-soft);
-  color: var(--vp-c-brand-1);
-}
-
-.status-badge.inactive {
-  background: rgba(var(--vp-c-brand-delta-rgb), 0.15);
-  color: var(--vp-c-brand-delta);
-}
-
-.age-indicator {
-  font-size: 0.75rem;
-  color: var(--vp-c-text-3);
-}
-
-.credentials-display {
-  display: flex;
-  flex-direction: column;
-  gap: 0.75rem;
-  margin-bottom: 1rem;
-}
-
-.credential-row {
-  display: flex;
-  flex-direction: column;
-  gap: 0.25rem;
-}
-
-.credential-row .label {
+  padding: 0.15rem 0.5rem;
+  border-radius: 3px;
   font-size: 0.7rem;
-  color: var(--vp-c-text-3);
-  text-transform: uppercase;
+  font-weight: 600;
 }
 
-.value-container {
+.status-badge.active { background: var(--vp-c-brand-soft); color: var(--vp-c-brand-1); }
+.status-badge.inactive { background: rgba(239, 68, 68, 0.15); color: #dc2626; }
+
+.age { font-size: 0.7rem; color: var(--vp-c-text-3); }
+
+.credentials { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0.5rem; }
+
+.cred-row {
   display: flex;
   align-items: center;
-  gap: 0.5rem;
+  gap: 0.4rem;
 }
 
-.value {
+.cred-row .label { font-size: 0.7rem; color: var(--vp-c-text-3); min-width: 80px; }
+.cred-row .value {
   flex: 1;
-  padding: 0.5rem 0.75rem;
+  padding: 0.3rem 0.5rem;
   background: var(--vp-c-bg-alt);
   border: 1px solid var(--vp-c-divider);
-  border-radius: 6px;
+  border-radius: 4px;
   font-family: var(--vp-font-family-mono);
-  font-size: 0.8rem;
-  word-break: break-all;
+  font-size: 0.7rem;
   color: var(--vp-c-text-1);
 }
 
-.icon-btn {
-  padding: 0.5rem;
+.toggle-btn {
+  padding: 0.25rem;
   background: var(--vp-c-bg);
   border: 1px solid var(--vp-c-divider);
-  border-radius: 6px;
+  border-radius: 4px;
   cursor: pointer;
-  font-size: 1rem;
-  transition: background 0.2s;
+  font-size: 0.85rem;
 }
 
-.icon-btn:hover {
-  background: var(--vp-c-bg-alt);
-}
-
-.usage-stats {
+.stats {
   display: flex;
   gap: 1rem;
-  padding-top: 0.75rem;
+  padding-top: 0.4rem;
   border-top: 1px solid var(--vp-c-divider);
 }
 
-.stat-item {
-  display: flex;
-  flex-direction: column;
-  gap: 0.125rem;
-}
+.stat { display: flex; flex-direction: column; }
+.stat .v { font-size: 0.9rem; font-weight: 700; color: var(--vp-c-brand-1); }
+.stat .l { font-size: 0.65rem; color: var(--vp-c-text-3); }
 
-.stat-value {
-  font-size: 1.2rem;
-  font-weight: 700;
-  color: var(--vp-c-brand-1);
-}
+.action-panel { display: flex; flex-direction: column; gap: 0.4rem; }
 
-.stat-label {
-  font-size: 0.7rem;
-  color: var(--vp-c-text-3);
-}
-
-/* Action Panel */
-.action-panel {
-  display: flex;
-  flex-direction: column;
-  gap: 0.75rem;
-}
-
-.action-btn {
-  display: flex;
-  align-items: center;
-  gap: 0.625rem;
-  padding: 0.875rem 1.125rem;
+.btn {
+  padding: 0.5rem 0.75rem;
   border: 1px solid var(--vp-c-divider);
-  border-radius: 6px;
+  border-radius: 4px;
   cursor: pointer;
-  transition: all 0.2s ease;
-  font-size: 0.9rem;
+  font-size: 0.8rem;
   font-weight: 500;
   background: var(--vp-c-bg);
   color: var(--vp-c-text-1);
+  text-align: left;
 }
 
-.action-btn:disabled {
-  opacity: 0.5;
-  cursor: not-allowed;
-}
+.btn:disabled { opacity: 0.5; cursor: not-allowed; }
+.btn.primary { background: var(--vp-c-brand); border-color: var(--vp-c-brand); color: #fff; }
+.btn.warning { background: rgba(234, 179, 8, 0.1); border-color: #eab308; color: #ca8a04; }
+.btn.danger { background: rgba(239, 68, 68, 0.1); border-color: #dc2626; color: #dc2626; }
 
-.action-btn.primary {
-  background: var(--vp-c-brand);
-  border-color: var(--vp-c-brand);
-  color: var(--vp-c-bg);
-}
-
-.action-btn.primary:hover:not(:disabled) {
-  transform: translateY(-2px);
-  box-shadow: 0 4px 12px rgba(var(--vp-c-brand-rgb), 0.3);
-}
-
-.action-btn.warning {
-  background: rgba(var(--vp-c-brand-delta-rgb), 0.1);
-  border-color: var(--vp-c-brand-delta);
-  color: var(--vp-c-brand-delta);
-}
-
-.action-btn.warning:hover:not(:disabled) {
-  transform: translateY(-2px);
-  box-shadow: 0 4px 12px rgba(var(--vp-c-brand-delta-rgb), 0.2);
-}
-
-.action-btn.danger {
-  background: rgba(var(--vp-c-brand-delta-rgb), 0.15);
-  border-color: var(--vp-c-brand-delta);
-  color: var(--vp-c-brand-delta);
-}
-
-.action-btn.danger:hover {
-  transform: translateY(-2px);
-  box-shadow: 0 4px 12px rgba(var(--vp-c-brand-delta-rgb), 0.2);
-}
-
-.btn-icon {
-  font-size: 1.2rem;
-}
-
-/* Rotation Progress */
-.rotation-progress {
+.rotation-bar {
   background: var(--vp-c-bg);
   border: 1px solid var(--vp-c-divider);
-  border-radius: 8px;
-  padding: 1.25rem;
-  margin-top: 1.25rem;
-}
-
-.progress-bar {
-  height: 8px;
-  background: var(--vp-c-bg-alt);
-  border-radius: 4px;
-  overflow: hidden;
+  border-radius: 6px;
+  padding: 0.6rem;
   margin-bottom: 0.75rem;
 }
 
-.progress-fill {
+.bar {
+  height: 6px;
+  background: var(--vp-c-bg-alt);
+  border-radius: 3px;
+  overflow: hidden;
+  margin-bottom: 0.4rem;
+}
+
+.fill {
   height: 100%;
   background: var(--vp-c-brand);
-  border-radius: 4px;
-  transition: width 0.3s ease;
+  transition: width 0.2s;
 }
 
-.progress-text {
-  display: block;
-  text-align: center;
-  font-size: 0.9rem;
-  color: var(--vp-c-text-2);
-}
+.text { display: block; text-align: center; font-size: 0.8rem; color: var(--vp-c-text-2); }
 
 .info-box {
-  padding: 0.75rem;
   background: var(--vp-c-bg-alt);
-  border: 1px solid var(--vp-c-divider);
-  border-left: 4px solid var(--vp-c-brand);
+  padding: 0.6rem;
   border-radius: 6px;
-  font-size: 0.9rem;
-  line-height: 1.6;
+  font-size: 0.85rem;
   color: var(--vp-c-text-2);
+  display: flex;
+  gap: 0.25rem;
 }
 
-.info-box strong {
-  color: var(--vp-c-text-1);
-}
-
-@media (max-width: 768px) {
-  .lifecycle-container {
-    grid-template-columns: 1fr;
-  }
-
-  .action-panel {
-    flex-direction: row;
-    flex-wrap: wrap;
-  }
-
-  .action-btn {
-    flex: 1;
-    min-width: 140px;
-  }
-}
+.info-box .icon { flex-shrink: 0; }
+.info-box strong { color: var(--vp-c-text-1); }
 </style>