diff --git a/src/presentation/static/css/admin-base.css b/src/presentation/static/css/admin-base.css
index fa637dc..f14ff56 100644
--- a/src/presentation/static/css/admin-base.css
+++ b/src/presentation/static/css/admin-base.css
@@ -8,6 +8,9 @@
     --surface: #ffffff;
     --surface-soft: #f8fbff;
     --surface-hover: #f2f7fd;
+    --nav-tab-hover-bg: #edf4fc;
+    --nav-tab-hover-border: #c6d9ec;
+    --nav-tab-hover-text: #4575a4;
     --text-primary: #0f172a;
     --text-secondary: #475569;
     --text-muted: #64748b;
@@ -34,6 +37,9 @@
     --surface: #161b22;
     --surface-soft: #0f141b;
     --surface-hover: #1f2630;
+    --nav-tab-hover-bg: #18304b;
+    --nav-tab-hover-border: #2f5b8f;
+    --nav-tab-hover-text: #dbeafe;
     --text-primary: #e6edf3;
     --text-secondary: #9da7b3;
     --text-muted: #7d8590;
@@ -204,9 +210,9 @@ body.app-page {
 }
 
 .app-page .header-nav-link:hover {
-    color: var(--text-primary);
-    background: var(--surface-hover);
-    border-color: var(--line);
+    color: var(--nav-tab-hover-text);
+    background: var(--nav-tab-hover-bg);
+    border-color: var(--nav-tab-hover-border);
 }
 
 .app-page .header-nav-link.active {
diff --git a/src/presentation/static/css/index.css b/src/presentation/static/css/index.css
index 3054787..f19ba99 100644
--- a/src/presentation/static/css/index.css
+++ b/src/presentation/static/css/index.css
@@ -1,3 +1,7 @@
+.dashboard-page {
+    --dashboard-control-height: 40px;
+}
+
 .dashboard-page .header-content {
     display: flex;
     justify-content: space-between;
@@ -10,6 +14,7 @@
 }
 
 .dashboard-page .filters-section,
+.dashboard-page .dashboard-tabs-section,
 .dashboard-page .stats-section,
 .dashboard-page .table-section {
     padding: 22px var(--page-card-inset);
@@ -40,6 +45,81 @@
 
 .dashboard-page .filters .btn {
     width: 110px;
+    min-height: var(--dashboard-control-height);
+    height: var(--dashboard-control-height);
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.dashboard-page .dashboard-tabs-section {
+    padding: 18px var(--page-card-inset) 0;
+    background: transparent;
+}
+
+.dashboard-page .dashboard-tabs {
+    display: inline-flex;
+    align-items: center;
+    gap: 8px;
+    padding: 6px;
+    margin-bottom: 18px;
+    border: 1px solid var(--line);
+    border-radius: 16px;
+    background: rgba(255, 255, 255, 0.9);
+    box-shadow: var(--shadow-card);
+}
+
+.dashboard-page .dashboard-tab-btn {
+    min-width: 104px;
+    height: 36px;
+    padding: 0 16px;
+    border: 1px solid transparent;
+    border-radius: 12px;
+    background: transparent;
+    color: var(--text-secondary);
+    font-size: 13px;
+    font-weight: 700;
+    cursor: pointer;
+    transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
+}
+
+.dashboard-page .dashboard-tab-btn:hover,
+.dashboard-page .dashboard-tab-btn:focus-visible {
+    color: var(--nav-tab-hover-text);
+    background: var(--nav-tab-hover-bg);
+    border-color: var(--nav-tab-hover-border);
+    outline: none;
+}
+
+.dashboard-page .dashboard-tab-btn.is-active {
+    color: #ffffff;
+    background: linear-gradient(180deg, #3a7fed, #2f6ed4);
+    box-shadow: 0 10px 20px rgba(58, 127, 237, 0.24);
+}
+
+.dashboard-page .dashboard-tab-panel[hidden] {
+    display: none !important;
+}
+
+:root[data-theme="dark"] .dashboard-page .dashboard-tabs {
+    border-color: #30363d;
+    background: rgba(22, 27, 34, 0.94);
+}
+
+:root[data-theme="dark"] .dashboard-page .dashboard-tab-btn {
+    color: #9da7b3;
+}
+
+:root[data-theme="dark"] .dashboard-page .dashboard-tab-btn:hover,
+:root[data-theme="dark"] .dashboard-page .dashboard-tab-btn:focus-visible {
+    color: var(--nav-tab-hover-text);
+    background: var(--nav-tab-hover-bg);
+}
+
+:root[data-theme="dark"] .dashboard-page .dashboard-tab-btn.is-active {
+    color: #f8fbff;
+    background: linear-gradient(180deg, #2f81f7, #1f6feb);
+    box-shadow: 0 10px 22px rgba(31, 111, 235, 0.28);
 }
 
 .dashboard-page .filter-group {
@@ -80,29 +160,33 @@
     display: flex;
     align-items: center;
     gap: 8px;
-    min-height: 40px;
+    min-height: var(--dashboard-control-height);
     flex-wrap: wrap;
 }
 
 .dashboard-page .date-preset-btn {
     min-width: 68px;
-    height: 32px;
-    padding: 0 12px;
+    min-height: var(--dashboard-control-height);
+    height: var(--dashboard-control-height);
+    padding: 0 14px;
     border: 1px solid var(--line-strong);
     border-radius: 999px;
     background: rgba(255, 255, 255, 0.88);
     color: var(--text-secondary);
     font-size: 12px;
     font-weight: 700;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
     cursor: pointer;
     transition: border-color var(--transition), background-color var(--transition), color var(--transition), box-shadow var(--transition);
 }
 
 .dashboard-page .date-preset-btn:hover,
 .dashboard-page .date-preset-btn:focus-visible {
-    border-color: var(--primary);
-    background: #ffffff;
-    color: var(--primary);
+    border-color: var(--nav-tab-hover-border);
+    background: var(--nav-tab-hover-bg);
+    color: var(--nav-tab-hover-text);
     outline: none;
 }
 
@@ -116,16 +200,28 @@
 .dashboard-page .filter-group input,
 .dashboard-page .filter-group select {
     width: 100%;
-    height: 40px;
+    min-height: var(--dashboard-control-height);
+    height: var(--dashboard-control-height);
     border: 1px solid var(--line-strong);
     border-radius: var(--radius-sm);
     background: #fff;
     color: var(--text-primary);
     padding: 0 12px;
     font-size: 14px;
+    line-height: 1.2;
     transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
 }
 
+.dashboard-page .custom-select-trigger {
+    min-height: var(--dashboard-control-height);
+    height: var(--dashboard-control-height);
+    padding: 0 38px 0 12px;
+    border-radius: var(--radius-sm);
+    font-size: 14px;
+    display: inline-flex;
+    align-items: center;
+}
+
 .dashboard-page .filter-group select {
     appearance: none;
     -webkit-appearance: none;
@@ -173,9 +269,9 @@
 
 :root[data-theme="dark"] .dashboard-page .date-preset-btn:hover,
 :root[data-theme="dark"] .dashboard-page .date-preset-btn:focus-visible {
-    border-color: #5f8fbe;
-    background: #111820;
-    color: #c7e0ff;
+    border-color: var(--nav-tab-hover-border);
+    background: var(--nav-tab-hover-bg);
+    color: var(--nav-tab-hover-text);
 }
 
 :root[data-theme="dark"] .dashboard-page .date-preset-btn.is-active {
@@ -447,6 +543,7 @@
 @media (max-width: 900px) {
     .dashboard-page .header,
     .dashboard-page .filters-section,
+    .dashboard-page .dashboard-tabs-section,
     .dashboard-page .stats-section,
     .dashboard-page .table-section {
         padding-left: 16px;
@@ -461,12 +558,23 @@
 
 @media (max-width: 640px) {
     .dashboard-page .filters-section,
+    .dashboard-page .dashboard-tabs-section,
     .dashboard-page .stats-section,
     .dashboard-page .table-section {
         padding-left: 12px;
         padding-right: 12px;
     }
 
+    .dashboard-page .dashboard-tabs {
+        display: flex;
+        width: 100%;
+    }
+
+    .dashboard-page .dashboard-tab-btn {
+        flex: 1 1 0;
+        min-width: 0;
+    }
+
     .dashboard-page .filter-group {
         width: 100%;
         min-width: 0;
diff --git a/src/presentation/static/css/providers.css b/src/presentation/static/css/providers.css
index c249049..176d958 100644
--- a/src/presentation/static/css/providers.css
+++ b/src/presentation/static/css/providers.css
@@ -232,7 +232,8 @@
     background: var(--surface-hover);
 }
 
-.providers-page .provider-name-cell {
+.providers-page .providers-table td.provider-name-cell {
+    vertical-align: middle;
     color: var(--text-primary);
     white-space: nowrap;
 }
@@ -274,12 +275,17 @@
     color: #1d6b46;
 }
 
-.providers-page .provider-api-cell {
+.providers-page .providers-table td.provider-api-cell {
     width: 520px;
     max-width: 520px;
+    vertical-align: middle;
     color: var(--text-secondary);
 }
 
+.providers-page .providers-table td.provider-model-cell {
+    vertical-align: middle;
+}
+
 .providers-page .provider-api-text {
     display: -webkit-box;
     -webkit-line-clamp: 2;
diff --git a/src/presentation/templates/base_page.html b/src/presentation/templates/base_page.html
index b5c27f9..8dae62c 100644
--- a/src/presentation/templates/base_page.html
+++ b/src/presentation/templates/base_page.html
@@ -6,7 +6,7 @@
     {% include "_theme_bootstrap.html" %}
     <title>{% block page_title %}LLM Proxy{% endblock %}</title>
     <link rel="stylesheet" href="/static/vendor/bootstrap/bootstrap.min.css">
-    <link rel="stylesheet" href="/static/css/admin-base.css?v=20260319-1">
+    <link rel="stylesheet" href="/static/css/admin-base.css?v=20260319-3">
     {% block page_css %}{% endblock %}
 </head>
 <body class="{% block body_class_prefix %}{% endblock %}{% block body_class %}{% endblock %}">
diff --git a/src/presentation/templates/index.html b/src/presentation/templates/index.html
index 565bb2b..c84b93d 100644
--- a/src/presentation/templates/index.html
+++ b/src/presentation/templates/index.html
@@ -1,7 +1,7 @@
 {% extends "base_admin.html" %}
 
 {% block page_title %}LLM使用统计{% endblock %}
-{% block page_css %}<link rel="stylesheet" href="/static/css/index.css?v=20260319-1">{% endblock %}
+{% block page_css %}<link rel="stylesheet" href="/static/css/index.css?v=20260319-4">{% endblock %}
 {% block body_class %}dashboard-page{% endblock %}
 {% block header_title %}LLM使用统计{% endblock %}
 {% block header_subtitle %}实时监控 API 请求和 Token 消耗{% endblock %}
@@ -41,75 +41,96 @@
             </div>
         </div>
 
-        <div class="stats-section">
-            <div class="stats-container">
-                <table class="stats-table">
-                    <thead>
-                        <tr>
-                            <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('ip_address', 'string')">IP <span class="sort-indicator" id="statsSortIndicator_ip_address"></span></button></th>
-                            <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('username', 'string')">用户名 <span class="sort-indicator" id="statsSortIndicator_username"></span></button></th>
-                            <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('request_model', 'string')">请求模型 <span class="sort-indicator" id="statsSortIndicator_request_model"></span></button></th>
-                            <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('response_model', 'string')">响应模型 <span class="sort-indicator" id="statsSortIndicator_response_model"></span></button></th>
-                            <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('prompt_tokens', 'number')">输入token <span class="sort-indicator" id="statsSortIndicator_prompt_tokens"></span></button></th>
-                            <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('completion_tokens', 'number')">输出token <span class="sort-indicator" id="statsSortIndicator_completion_tokens"></span></button></th>
-                            <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('total_tokens', 'number')">总 Token <span class="sort-indicator" id="statsSortIndicator_total_tokens"></span></button></th>
-                            <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('request_count', 'number')">请求数 <span class="sort-indicator" id="statsSortIndicator_request_count"></span></button></th>
-                        </tr>
-                    </thead>
-                    <tbody id="statsTable">
-                        <tr>
-                            <td colspan="8" class="loading">加载统计数据...</td>
-                        </tr>
-                    </tbody>
-                </table>
+        <div class="dashboard-tabs-section">
+            <div class="dashboard-tabs" role="tablist" aria-label="统计视图">
+                <button
+                    type="button"
+                    class="dashboard-tab-btn is-active"
+                    id="dashboardTabBtn_stats"
+                    onclick="switchDashboardTab('stats')"
+                    aria-selected="true"
+                    aria-controls="dashboardTabPanel_stats"
+                >统计汇总</button>
+                <button
+                    type="button"
+                    class="dashboard-tab-btn"
+                    id="dashboardTabBtn_logs"
+                    onclick="switchDashboardTab('logs')"
+                    aria-selected="false"
+                    aria-controls="dashboardTabPanel_logs"
+                >请求明细</button>
             </div>
-        </div>
 
-        <div class="table-section">
-            <div class="table-card-shell">
-                <div class="table-container">
-                    <table>
+            <div class="dashboard-tab-panel is-active" id="dashboardTabPanel_stats" role="tabpanel" aria-labelledby="dashboardTabBtn_stats">
+                <div class="stats-container">
+                    <table class="stats-table">
                         <thead>
                             <tr>
-                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('ip_address', 'string')">IP <span class="sort-indicator" id="logsSortIndicator_ip_address"></span></button></th>
-                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('username', 'string')">用户名 <span class="sort-indicator" id="logsSortIndicator_username"></span></button></th>
-                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('request_model', 'string')">请求模型 <span class="sort-indicator" id="logsSortIndicator_request_model"></span></button></th>
-                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('response_model', 'string')">响应模型 <span class="sort-indicator" id="logsSortIndicator_response_model"></span></button></th>
-                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('prompt_tokens', 'number')">输入token <span class="sort-indicator" id="logsSortIndicator_prompt_tokens"></span></button></th>
-                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('completion_tokens', 'number')">输出token <span class="sort-indicator" id="logsSortIndicator_completion_tokens"></span></button></th>
-                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('total_tokens', 'number')">总 Token <span class="sort-indicator" id="logsSortIndicator_total_tokens"></span></button></th>
-                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('start_time', 'date')">开始时间 <span class="sort-indicator" id="logsSortIndicator_start_time"></span></button></th>
-                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('end_time', 'date')">结束时间 <span class="sort-indicator" id="logsSortIndicator_end_time"></span></button></th>
-                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('duration', 'number')">耗时(秒) <span class="sort-indicator" id="logsSortIndicator_duration"></span></button></th>
+                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('ip_address', 'string')">IP <span class="sort-indicator" id="statsSortIndicator_ip_address"></span></button></th>
+                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('username', 'string')">用户名 <span class="sort-indicator" id="statsSortIndicator_username"></span></button></th>
+                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('request_model', 'string')">请求模型 <span class="sort-indicator" id="statsSortIndicator_request_model"></span></button></th>
+                                <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('response_model', 'string')">响应模型 <span class="sort-indicator" id="statsSortIndicator_response_model"></span></button></th>
+                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('prompt_tokens', 'number')">输入token <span class="sort-indicator" id="statsSortIndicator_prompt_tokens"></span></button></th>
+                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('completion_tokens', 'number')">输出token <span class="sort-indicator" id="statsSortIndicator_completion_tokens"></span></button></th>
+                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('total_tokens', 'number')">总 Token <span class="sort-indicator" id="statsSortIndicator_total_tokens"></span></button></th>
+                                <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleStatsSort('request_count', 'number')">请求数 <span class="sort-indicator" id="statsSortIndicator_request_count"></span></button></th>
                             </tr>
                         </thead>
-                        <tbody id="logsTable">
+                        <tbody id="statsTable">
                             <tr>
-                                <td colspan="10" class="loading">加载请求数据...</td>
+                                <td colspan="8" class="loading">加载统计数据...</td>
                             </tr>
                         </tbody>
                     </table>
                 </div>
-                <div class="table-footer" id="tableFooter" style="display: none;">
-                    <div class="right-controls">
-                        <div class="pagination-controls">
-                            <span id="prevBtn" class="page-nav-text disabled" onclick="prevPage()">&lt;</span>
-                            <span class="page-info" id="pageInfo">第 1 页 / 共 1 页</span>
-                            <span id="nextBtn" class="page-nav-text disabled" onclick="nextPage()">&gt;</span>
+            </div>
+
+            <div class="dashboard-tab-panel" id="dashboardTabPanel_logs" role="tabpanel" aria-labelledby="dashboardTabBtn_logs" hidden>
+                <div class="table-card-shell">
+                    <div class="table-container">
+                        <table>
+                            <thead>
+                                <tr>
+                                    <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('ip_address', 'string')">IP <span class="sort-indicator" id="logsSortIndicator_ip_address"></span></button></th>
+                                    <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('username', 'string')">用户名 <span class="sort-indicator" id="logsSortIndicator_username"></span></button></th>
+                                    <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('request_model', 'string')">请求模型 <span class="sort-indicator" id="logsSortIndicator_request_model"></span></button></th>
+                                    <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('response_model', 'string')">响应模型 <span class="sort-indicator" id="logsSortIndicator_response_model"></span></button></th>
+                                    <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('prompt_tokens', 'number')">输入token <span class="sort-indicator" id="logsSortIndicator_prompt_tokens"></span></button></th>
+                                    <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('completion_tokens', 'number')">输出token <span class="sort-indicator" id="logsSortIndicator_completion_tokens"></span></button></th>
+                                    <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('total_tokens', 'number')">总 Token <span class="sort-indicator" id="logsSortIndicator_total_tokens"></span></button></th>
+                                    <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('start_time', 'date')">开始时间 <span class="sort-indicator" id="logsSortIndicator_start_time"></span></button></th>
+                                    <th class="sortable-th" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('end_time', 'date')">结束时间 <span class="sort-indicator" id="logsSortIndicator_end_time"></span></button></th>
+                                    <th class="sortable-th num-col" aria-sort="none"><button type="button" class="sort-button" onclick="toggleLogsSort('duration', 'number')">耗时(秒) <span class="sort-indicator" id="logsSortIndicator_duration"></span></button></th>
+                                </tr>
+                            </thead>
+                            <tbody id="logsTable">
+                                <tr>
+                                    <td colspan="10" class="loading">加载请求数据...</td>
+                                </tr>
+                            </tbody>
+                        </table>
+                    </div>
+                    <div class="table-footer" id="tableFooter" style="display: none;">
+                        <div class="right-controls">
+                            <div class="pagination-controls">
+                                <span id="prevBtn" class="page-nav-text disabled" onclick="prevPage()">&lt;</span>
+                                <span class="page-info" id="pageInfo">第 1 页 / 共 1 页</span>
+                                <span id="nextBtn" class="page-nav-text disabled" onclick="nextPage()">&gt;</span>
+                            </div>
+                            <div class="quick-jump">
+                                <label for="pageJumpInput">跳至</label>
+                                <input id="pageJumpInput" type="number" min="1" value="1">
+                            </div>
+                            <div class="page-size-controls">
+                                <label for="pageSizeSelect">每页显示:</label>
+                                <select id="pageSizeSelect" onchange="changePageSize()">
+                                    <option value="50">50</option>
+                                    <option value="100">100</option>
+                                    <option value="200">200</option>
+                                </select>
+                            </div>
+                            <span class="total-count" id="totalCount">共 0 条</span>
                         </div>
-                        <div class="quick-jump">
-                            <label for="pageJumpInput">跳至</label>
-                            <input id="pageJumpInput" type="number" min="1" value="1">
-                        </div>
-                        <div class="page-size-controls">
-                            <label for="pageSizeSelect">每页显示:</label>
-                            <select id="pageSizeSelect" onchange="changePageSize()">
-                                <option value="50">50</option>
-                                <option value="100">100</option>
-                                <option value="200">200</option>
-                            </select>
-                        </div>
-                        <span class="total-count" id="totalCount">共 0 条</span>
                     </div>
                 </div>
             </div>
@@ -127,6 +148,9 @@
         let activeCustomSelect = null;
         let statsData = [];
         let logsData = [];
+        let activeDashboardTab = 'stats';
+        let statsRequestToken = 0;
+        let logsRequestToken = 0;
         const statsSortState = {
             key: 'total_tokens',
             direction: 'desc',
@@ -138,6 +162,50 @@
             type: 'date'
         };
 
+        function getDashboardTabButton(tabName) {
+            return document.getElementById(`dashboardTabBtn_${tabName}`);
+        }
+
+        function getDashboardTabPanel(tabName) {
+            return document.getElementById(`dashboardTabPanel_${tabName}`);
+        }
+
+        function syncDashboardTabUi() {
+            ['stats', 'logs'].forEach(tabName => {
+                const isActive = tabName === activeDashboardTab;
+                const button = getDashboardTabButton(tabName);
+                const panel = getDashboardTabPanel(tabName);
+
+                if (button) {
+                    button.classList.toggle('is-active', isActive);
+                    button.setAttribute('aria-selected', isActive ? 'true' : 'false');
+                }
+
+                if (panel) {
+                    panel.classList.toggle('is-active', isActive);
+                    panel.hidden = !isActive;
+                }
+            });
+        }
+
+        function loadActiveDashboardTabData() {
+            if (activeDashboardTab === 'stats') {
+                loadStatistics();
+                return;
+            }
+            loadLogs();
+        }
+
+        function switchDashboardTab(tabName) {
+            if (!['stats', 'logs'].includes(tabName)) {
+                return;
+            }
+
+            activeDashboardTab = tabName;
+            syncDashboardTabUi();
+            loadActiveDashboardTabData();
+        }
+
         function closeAllCustomSelects() {
             document.querySelectorAll('.custom-select.open').forEach(select => {
                 select.classList.remove('open');
@@ -295,8 +363,8 @@
             });
 
             const table = prefix === 'stats'
-                ? document.querySelector('.stats-table')
-                : document.querySelector('.table-section table');
+                ? document.querySelector('#dashboardTabPanel_stats table')
+                : document.querySelector('#dashboardTabPanel_logs table');
             if (!table) return;
 
             table.querySelectorAll('th.sortable-th').forEach(th => {
@@ -461,12 +529,12 @@
             setupCustomSelect('requestModel');
             setupCustomSelect('pageSizeSelect');
             setDefaultDateRange();
-            loadStatistics();
             loadUsernames();
             loadRequestModels();
-            loadLogs();
             updateSortIndicators('stats', statsSortState, ['ip_address', 'username', 'request_model', 'response_model', 'prompt_tokens', 'completion_tokens', 'total_tokens', 'request_count']);
             updateSortIndicators('logs', logsSortState, ['ip_address', 'username', 'request_model', 'response_model', 'prompt_tokens', 'completion_tokens', 'total_tokens', 'start_time', 'end_time', 'duration']);
+            syncDashboardTabUi();
+            switchDashboardTab(activeDashboardTab);
 
             // 设置默认每页大小
             document.getElementById('pageSizeSelect').value = pageSize;
@@ -506,14 +574,20 @@
 
         // 加载统计数据
         async function loadStatistics() {
+            const requestToken = ++statsRequestToken;
+            document.getElementById('statsTable').innerHTML = '<tr><td colspan="8" class="loading">鍔犺浇缁熻鏁版嵁...</td></tr>';
+
             try {
                 const params = new URLSearchParams(currentFilters);
-                const response = await fetch(`/api/statistics?${params}`);
-                statsData = await response.json();
+                const response = await fetch(`/api/statistics?${params}`, { cache: 'no-store' });
+                const data = await response.json();
+                if (requestToken !== statsRequestToken) return;
+                statsData = data;
                 if (!Array.isArray(statsData)) statsData = [];
                 applyStatsSort();
                 renderStatistics();
             } catch (error) {
+                if (requestToken !== statsRequestToken) return;
                 console.error('加载统计数据失败:', error);
                 document.getElementById('statsTable').innerHTML = '<tr><td colspan="8" class="error">加载统计数据失败</td></tr>';
                 showMessage('加载统计数据失败，请稍后重试', 'error');
@@ -613,6 +687,8 @@
 
         // 加载日志数据
         async function loadLogs() {
+            const requestToken = ++logsRequestToken;
+            document.getElementById('tableFooter').style.display = 'none';
             // 显示加载状态
             document.getElementById('logsTable').innerHTML = '<tr><td colspan="10" class="loading">加载请求数据...</td></tr>';
 
@@ -623,14 +699,17 @@
                     ...currentFilters
                 });
 
-                const response = await fetch(`/api/request-logs?${params}`);
+                const response = await fetch(`/api/request-logs?${params}`, { cache: 'no-store' });
                 const data = await response.json();
+                if (requestToken !== logsRequestToken) return;
 
                 logsData = Array.isArray(data.logs) ? data.logs : [];
                 applyLogsSort();
                 renderLogs(logsData);
                 updatePagination(data);
             } catch (error) {
+                if (requestToken !== logsRequestToken) return;
+                document.getElementById('tableFooter').style.display = 'none';
                 console.error('加载日志失败:', error);
                 document.getElementById('logsTable').innerHTML = '<tr><td colspan="10" class="error">加载日志失败</td></tr>';
                 showMessage('加载日志失败，请稍后重试', 'error');
@@ -752,8 +831,7 @@
             if (requestModel) currentFilters.request_model = requestModel;
 
             currentPage = 1;
-            loadStatistics();
-            loadLogs();
+            loadActiveDashboardTabData();
         }
 
         function setDefaultDateRange() {
@@ -786,7 +864,7 @@
             const newPageSize = parseInt(document.getElementById('pageSizeSelect').value);
             if (newPageSize !== pageSize) {
                 pageSize = newPageSize;
-                currentPage = 1; // 重置到第一页
+                currentPage = 1;
                 loadLogs();
             }
         }
diff --git a/src/presentation/templates/providers.html b/src/presentation/templates/providers.html
index 208d777..98c652b 100644
--- a/src/presentation/templates/providers.html
+++ b/src/presentation/templates/providers.html
@@ -1,7 +1,7 @@
 {% extends "base_admin.html" %}
 
 {% block page_title %}Provider 管理{% endblock %}
-{% block page_css %}<link rel="stylesheet" href="/static/css/providers.css?v=20260319-3">{% endblock %}
+{% block page_css %}<link rel="stylesheet" href="/static/css/providers.css?v=20260319-6">{% endblock %}
 {% block body_class %}providers-page{% endblock %}
 {% block header_title %}Provider 管理{% endblock %}
 {% block header_subtitle %}维护 providers 配置，修改后自动重载生效。{% endblock %}
@@ -807,7 +807,7 @@
                             </div>
                         </td>
                         <td class="provider-api-cell" title="${escapeHtml(provider.api)}"><span class="provider-api-text">${escapeHtml(provider.api)}</span></td>
-                        <td>
+                        <td class="provider-model-cell">
                             <div class="model-tags model-tags-preview">${modelTags}</div>
                             ${modelSummary}
                         </td>
diff --git a/tests/test_proxy_transport.py b/tests/test_proxy_transport.py
index 4d58638..f4b1071 100644
--- a/tests/test_proxy_transport.py
+++ b/tests/test_proxy_transport.py
@@ -155,8 +155,18 @@ class ProviderTemplateTransportTests(unittest.TestCase):
     def test_provider_template_contains_transport_field(self) -> None:
         template_path = Path(__file__).resolve().parents[1] / "src" / "presentation" / "templates" / "providers.html"
         html = template_path.read_text(encoding="utf-8")
+        css_path = (
+            Path(__file__).resolve().parents[1]
+            / "src"
+            / "presentation"
+            / "static"
+            / "css"
+            / "providers.css"
+        )
+        css = css_path.read_text(encoding="utf-8")
 
         self.assertIn('id="providerTransport"', html)
+        self.assertIn('/static/css/providers.css?v=20260319-6', html)
         self.assertIn('class="field-help-button"', html)
         self.assertIn('data-bs-toggle="tooltip"', html)
         self.assertIn('id="fetchModelSelectAllCheckbox"', html)
@@ -168,6 +178,11 @@ class ProviderTemplateTransportTests(unittest.TestCase):
         self.assertNotIn('<option value="">-</option>', html)
         self.assertIn("WebSocket", html)
         self.assertIn("provider-transport-badge", html)
+        self.assertIn('class="provider-model-cell"', html)
+        self.assertIn(".providers-page .providers-table td.provider-name-cell {", css)
+        self.assertIn(".providers-page .providers-table td.provider-api-cell {", css)
+        self.assertIn(".providers-page .providers-table td.provider-model-cell {", css)
+        self.assertIn("vertical-align: middle;", css)
         self.assertIn("showActionError('保存 Provider'", html)
         self.assertIn("showActionError('删除 Provider'", html)
         self.assertIn("showActionError('拉取模型'", html)
@@ -199,6 +214,7 @@ class FrontendMessageLocalizationTests(unittest.TestCase):
         self.assertIn('/static/js/ui-message.js?v=20260319-1', login_html)
         self.assertIn('/static/js/ui-message.js?v=20260319-1', users_html)
         self.assertIn('/static/js/ui-message.js?v=20260319-1', index_html)
+        self.assertIn('/static/css/admin-base.css?v=20260319-3', base_page_html)
         self.assertIn('/static/js/theme.js?v=20260319-1', base_page_html)
         self.assertIn('aria-label="切换主题"', base_admin_html)
         self.assertIn('title="切换主题"', base_admin_html)
@@ -243,5 +259,38 @@ process.stdout.write(output);
         self.assertIn("原始信息：https://example.com/v1/models returned 401", stdout)
 
 
+class DashboardTemplateTests(unittest.TestCase):
+    def test_index_template_uses_lazy_loaded_tabs(self) -> None:
+        root = Path(__file__).resolve().parents[1] / "src" / "presentation"
+        index_html = (
+            root
+            / "templates"
+            / "index.html"
+        ).read_text(encoding="utf-8")
+        index_css = (root / "static" / "css" / "index.css").read_text(encoding="utf-8")
+        admin_base_css = (root / "static" / "css" / "admin-base.css").read_text(encoding="utf-8")
+
+        self.assertIn('/static/css/index.css?v=20260319-4', index_html)
+        self.assertIn('dashboard-tabs-section', index_html)
+        self.assertIn('id="dashboardTabBtn_stats"', index_html)
+        self.assertIn('id="dashboardTabBtn_logs"', index_html)
+        self.assertIn("function switchDashboardTab(", index_html)
+        self.assertIn("function loadActiveDashboardTabData()", index_html)
+        self.assertIn("switchDashboardTab(activeDashboardTab);", index_html)
+        self.assertIn("if (!['stats', 'logs'].includes(tabName)) {", index_html)
+        self.assertIn("fetch(`/api/statistics?${params}`, { cache: 'no-store' })", index_html)
+        self.assertIn("fetch(`/api/request-logs?${params}`, { cache: 'no-store' })", index_html)
+        self.assertNotIn("dashboardTabDirtyState", index_html)
+        self.assertNotIn("markDashboardTabsDirty();", index_html)
+        self.assertIn("document.querySelector('#dashboardTabPanel_logs table')", index_html)
+        self.assertIn("--dashboard-control-height: 40px;", index_css)
+        self.assertIn(".dashboard-page .custom-select-trigger {", index_css)
+        self.assertIn("height: var(--dashboard-control-height);", index_css)
+        self.assertIn("--nav-tab-hover-bg:", admin_base_css)
+        self.assertIn(".app-page .header-nav-link:hover {", admin_base_css)
+        self.assertIn("background: var(--nav-tab-hover-bg);", admin_base_css)
+        self.assertIn("border-color: var(--nav-tab-hover-border);", index_css)
+
+
 if __name__ == "__main__":
     unittest.main()