diff --git a/web/static/css/style.css b/web/static/css/style.css
index 73677e60..055b59fa 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -4588,46 +4588,199 @@ header {
 }
 
 /* 系统设置 - 日志审计 */
-.audit-logs-toolbar {
+.audit-section-head {
     display: flex;
-    flex-wrap: wrap;
-    align-items: flex-end;
+    align-items: center;
     justify-content: space-between;
-    gap: 16px;
-    margin-bottom: 20px;
+    flex-wrap: wrap;
+    gap: 10px 16px;
+    margin: 0 0 12px;
 }
 
-.audit-logs-filters {
+.audit-section-head h3 {
+    margin: 0;
+    font-size: 1.05rem;
+    font-weight: 600;
+}
+
+.audit-summary-tags {
     display: flex;
     flex-wrap: wrap;
-    align-items: flex-end;
-    gap: 12px;
+    align-items: center;
+    justify-content: flex-end;
+    gap: 8px;
+    flex: 1;
+    min-width: 0;
 }
 
-.audit-logs-filters > .btn-secondary {
-    align-self: flex-end;
-    margin-bottom: 0;
+.audit-summary-tag {
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    padding: 4px 10px;
+    border-radius: 999px;
+    font-size: 0.75rem;
+    color: var(--text-secondary);
+    background: var(--bg-secondary, rgba(0, 0, 0, 0.03));
+    border: 1px solid var(--border-color);
 }
 
-.audit-logs-filters label {
+.audit-summary-tag strong {
+    font-size: 0.8125rem;
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+.audit-summary-tag--ok strong {
+    color: #0d7a3e;
+}
+
+.audit-summary-tag--warn strong {
+    color: #c0392b;
+}
+
+.audit-summary-tag-label {
+    white-space: nowrap;
+}
+
+.audit-filter-card {
     display: flex;
     flex-direction: column;
-    gap: 4px;
+    gap: 14px;
+    padding: 14px 16px;
+    margin-bottom: 16px;
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    background: var(--bg-primary);
+}
+
+.audit-filter-fields {
+    display: flex;
+    flex-direction: column;
+    gap: 0;
+}
+
+.audit-filter-row {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: flex-end;
+    gap: 12px 14px;
+}
+
+.audit-field--event {
+    flex: 0 1 360px;
+    min-width: 200px;
+    max-width: 420px;
+}
+
+.audit-field--result {
+    flex: 0 0 112px;
+    min-width: 112px;
+}
+
+.audit-filter-time-group {
+    display: flex;
+    flex: 1 1 360px;
+    gap: 12px 14px;
+    margin-left: auto;
+    min-width: 320px;
+}
+
+.audit-filter-time-group .audit-field--time {
+    flex: 1 1 0;
+    min-width: 150px;
+}
+
+.audit-field:not(.audit-field--event):not(.audit-field--keyword):not(.audit-field--result):not(.audit-field--time) {
+    flex: 0 1 150px;
+    min-width: 130px;
+}
+
+.audit-filter-bottom {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: flex-end;
+    gap: 12px 14px;
+}
+
+.audit-field {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    min-width: 0;
+}
+
+.audit-field > span {
     font-size: 0.8125rem;
     color: var(--text-secondary);
+    line-height: 1.2;
+}
+
+.audit-field--keyword {
+    flex: 1 1 240px;
+    min-width: 200px;
+}
+
+.audit-field select,
+.audit-field input[type="text"]:not(.audit-datetime-input) {
+    width: 100%;
+    height: 34px;
+    box-sizing: border-box;
+    padding: 0 10px;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    font-size: 0.8125rem;
+}
+
+.audit-field .audit-datetime-field {
+    width: 100%;
+    min-width: 0;
+}
+
+.audit-logs-actions {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    justify-content: flex-end;
+    gap: 8px;
+    flex: 0 0 auto;
+    margin-left: auto;
+}
+
+.audit-logs-actions .btn-secondary,
+.audit-logs-actions .btn-primary {
+    height: 34px;
+    padding: 0 14px;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    white-space: nowrap;
+    box-sizing: border-box;
+    font-size: 0.8125rem;
 }
 
 /* 事件类型：两个下拉与「结果」等控件同款边框，无外层套框 */
 .audit-filter-cascade {
     display: flex;
     align-items: center;
-    gap: 8px;
+    gap: 6px;
+    width: 100%;
 }
 
 .audit-filter-cascade select {
-    flex: 0 1 auto;
-    min-width: 120px;
-    max-width: 148px;
+    flex: 1 1 0;
+    min-width: 0;
+    max-width: none;
+    height: 34px;
+    box-sizing: border-box;
+    padding: 0 8px;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    font-size: 0.8125rem;
 }
 
 .audit-filter-cascade select:disabled {
@@ -4636,6 +4789,142 @@ header {
     background: var(--bg-secondary, #f5f6f8);
 }
 
+.audit-native-select {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    padding: 0;
+    margin: -1px;
+    overflow: hidden;
+    clip: rect(0, 0, 0, 0);
+    white-space: nowrap;
+    border: 0;
+}
+
+.audit-filter-cascade .audit-custom-select,
+.audit-field--result .audit-custom-select {
+    flex: 1 1 0;
+    min-width: 0;
+    position: relative;
+}
+
+.audit-field--result .audit-custom-select {
+    width: 100%;
+}
+
+.audit-custom-select-trigger {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 6px;
+    width: 100%;
+    height: 34px;
+    box-sizing: border-box;
+    padding: 0 10px;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    font-size: 0.8125rem;
+    line-height: 1.2;
+    cursor: pointer;
+    transition: border-color 0.15s ease, box-shadow 0.15s ease;
+}
+
+.audit-custom-select-value {
+    flex: 1;
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    text-align: left;
+}
+
+.audit-custom-select-caret {
+    flex-shrink: 0;
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+    line-height: 1;
+}
+
+.audit-custom-select-trigger:hover:not(:disabled) {
+    border-color: rgba(0, 102, 255, 0.45);
+}
+
+.audit-custom-select.open .audit-custom-select-trigger {
+    border-color: var(--accent-color);
+    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.1);
+}
+
+.audit-custom-select.is-disabled .audit-custom-select-trigger {
+    opacity: 0.55;
+    cursor: not-allowed;
+    background: var(--bg-secondary, #f5f6f8);
+}
+
+.audit-custom-select-dropdown {
+    display: none;
+    position: absolute;
+    top: calc(100% + 4px);
+    left: 0;
+    right: 0;
+    z-index: 2000;
+    max-height: 280px;
+    overflow-y: auto;
+    padding: 4px 0;
+    background: var(--bg-primary);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    box-shadow: var(--shadow-lg);
+}
+
+.audit-custom-select.open .audit-custom-select-dropdown {
+    display: block;
+}
+
+.audit-custom-select-option {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 7px 12px;
+    font-size: 0.8125rem;
+    line-height: 1.2;
+    color: var(--text-primary);
+    cursor: pointer;
+    transition: background-color 0.12s ease;
+}
+
+.audit-custom-select-option:hover {
+    background: var(--bg-secondary);
+}
+
+.audit-custom-select-check {
+    flex: 0 0 14px;
+    width: 14px;
+    font-size: 0.75rem;
+    line-height: 1;
+    color: var(--accent-color);
+    opacity: 0;
+    text-align: center;
+}
+
+.audit-custom-select-option.is-selected .audit-custom-select-check {
+    opacity: 1;
+}
+
+.audit-custom-select-option.is-selected {
+    color: var(--accent-color);
+    font-weight: 500;
+}
+
+.audit-custom-select-label {
+    flex: 1;
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
 .audit-filter-cascade-arrow {
     flex-shrink: 0;
     font-size: 0.8125rem;
@@ -4645,31 +4934,426 @@ header {
     pointer-events: none;
 }
 
-.audit-logs-filters select,
-.audit-logs-filters input[type="text"],
-.audit-logs-filters input[type="datetime-local"] {
-    min-width: 140px;
-    padding: 0.35rem 0.5rem;
+.audit-time-presets {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    gap: 8px;
+    padding-bottom: 12px;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.audit-time-presets-label {
+    font-size: 0.8125rem;
+    color: var(--text-secondary);
+    flex-shrink: 0;
+}
+
+.audit-time-preset-btn {
+    padding: 0.25rem 0.65rem;
+    font-size: 0.8125rem;
     border: 1px solid var(--border-color);
     border-radius: 6px;
     background: var(--bg-primary);
-    color: var(--text-primary);
+    color: var(--text-secondary);
+    cursor: pointer;
+    transition: border-color 0.15s, color 0.15s;
 }
 
-.audit-logs-actions {
+.audit-time-preset-btn:hover {
+    border-color: var(--accent-color);
+    color: var(--accent-color);
+}
+
+.audit-datetime-field {
     display: flex;
+    align-items: center;
+    gap: 2px;
+    height: 34px;
+    box-sizing: border-box;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    background: var(--bg-primary);
+    padding-right: 2px;
+}
+
+.audit-datetime-field:focus-within {
+    border-color: var(--accent-color);
+    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.12);
+}
+
+.audit-datetime-input {
+    flex: 1;
+    min-width: 0;
+    border: none;
+    background: transparent;
+    color: var(--text-primary);
+    padding: 0.35rem 0.5rem;
+    font-size: 0.8125rem;
+    cursor: pointer;
+}
+
+.audit-datetime-input:focus {
+    outline: none;
+}
+
+.audit-datetime-btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 28px;
+    height: 28px;
+    padding: 0;
+    border: none;
+    border-radius: 4px;
+    background: transparent;
+    color: var(--text-secondary);
+    cursor: pointer;
+    flex-shrink: 0;
+}
+
+.audit-datetime-btn:hover {
+    background: var(--bg-secondary, #f5f6f8);
+    color: var(--accent-color);
+}
+
+.audit-datetime-clear-btn {
+    font-size: 1.1rem;
+    line-height: 1;
+}
+
+.audit-dt-popover {
+    position: fixed;
+    z-index: 1100;
+    background: var(--bg-primary);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
+    padding: 12px;
+}
+
+.audit-dt-popover-inner {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.audit-dt-head {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
     gap: 8px;
 }
 
-/* 列表 + 底部分页合并为一张卡片，避免双边框/底部分隔线 */
-#settings-section-audit .audit-log-list.c2-event-list {
+.audit-dt-month-label {
+    font-size: 0.9rem;
+    font-weight: 600;
+    color: var(--text-primary);
+    flex: 1;
+    text-align: center;
+}
+
+.audit-dt-nav {
+    width: 28px;
+    height: 28px;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    background: var(--bg-primary);
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 1.1rem;
+    line-height: 1;
+}
+
+.audit-dt-nav:hover {
+    border-color: var(--accent-color);
+    color: var(--accent-color);
+}
+
+.audit-dt-body {
+    display: flex;
+    gap: 10px;
+}
+
+.audit-dt-calendar {
+    flex: 1;
+    min-width: 0;
+}
+
+.audit-dt-weekdays {
+    display: grid;
+    grid-template-columns: repeat(7, 1fr);
+    gap: 2px;
+    margin-bottom: 4px;
+}
+
+.audit-dt-weekdays span {
+    text-align: center;
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+    padding: 2px 0;
+}
+
+.audit-dt-days {
+    display: grid;
+    grid-template-columns: repeat(7, 1fr);
+    gap: 2px;
+}
+
+.audit-dt-day {
+    height: 30px;
+    border: none;
+    border-radius: 6px;
+    background: transparent;
+    color: var(--text-primary);
+    font-size: 0.8125rem;
+    cursor: pointer;
+}
+
+.audit-dt-day:hover {
+    background: var(--bg-secondary, #f5f6f8);
+}
+
+.audit-dt-day.is-other-month {
+    color: var(--text-secondary);
+    opacity: 0.45;
+}
+
+.audit-dt-day.is-selected {
+    background: var(--accent-color);
+    color: #fff;
+}
+
+.audit-dt-day.is-selected:hover {
+    background: var(--accent-hover);
+}
+
+.audit-dt-time {
+    display: flex;
+    gap: 6px;
+    flex-shrink: 0;
+    border-left: 1px solid var(--border-color);
+    padding-left: 8px;
+}
+
+.audit-dt-time-col {
+    display: flex;
+    flex-direction: column;
+    width: 52px;
+    min-width: 52px;
+}
+
+.audit-dt-time-label {
+    text-align: center;
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+    margin-bottom: 4px;
+}
+
+.audit-dt-time-list {
+    display: flex;
+    flex-direction: column;
+    gap: 2px;
+    max-height: 210px;
+    overflow-y: auto;
+    scrollbar-width: thin;
+}
+
+.audit-dt-time-item {
+    height: 28px;
+    border: none;
+    border-radius: 4px;
+    background: transparent;
+    color: var(--text-primary);
+    font-size: 0.8125rem;
+    cursor: pointer;
+    flex-shrink: 0;
+}
+
+.audit-dt-time-item:hover {
+    background: var(--bg-secondary, #f5f6f8);
+}
+
+.audit-dt-time-item.is-selected {
+    background: var(--accent-color);
+    color: #fff;
+}
+
+.audit-dt-footer {
+    display: flex;
+    justify-content: flex-end;
+    gap: 8px;
+    padding-top: 4px;
+    border-top: 1px solid var(--border-color);
+}
+
+.audit-dt-footer-btn {
+    padding: 0.3rem 0.75rem;
+    font-size: 0.8125rem;
+    border: none;
+    border-radius: 6px;
+    background: transparent;
+    color: var(--accent-color);
+    cursor: pointer;
+}
+
+.audit-dt-footer-btn:hover {
+    background: rgba(0, 102, 255, 0.08);
+}
+
+.audit-dt-footer-btn--primary {
+    background: var(--accent-color);
+    color: #fff;
+}
+
+.audit-dt-footer-btn--primary:hover {
+    background: var(--accent-hover);
+}
+
+
+#settings-section-audit .audit-log-list {
     margin-bottom: 0;
+}
+
+.audit-log-empty {
+    padding: 32px 16px;
+    text-align: center;
+    color: var(--text-secondary);
+    font-size: 0.875rem;
+    border: 1px dashed var(--border-color);
+    border-radius: 8px;
+}
+
+.audit-log-table-wrap {
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    overflow: hidden;
+    overflow-x: auto;
+    width: 100%;
+    box-sizing: border-box;
+}
+
+.audit-log-table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 0.8125rem;
+    table-layout: auto;
+    min-width: 720px;
+}
+
+.audit-log-table th,
+.audit-log-table td {
+    padding: 10px 12px;
+    text-align: left;
+    border-bottom: 1px solid var(--border-color);
+    vertical-align: middle;
+}
+
+.audit-log-table thead {
+    background: var(--bg-secondary);
+    color: var(--text-secondary);
+    font-weight: 600;
+    font-size: 0.75rem;
+}
+
+.audit-log-table th {
+    white-space: nowrap;
+}
+
+.audit-log-table tbody tr:last-child td {
     border-bottom: none;
-    border-radius: 8px 8px 0 0;
+}
+
+.audit-log-row {
+    cursor: pointer;
+    transition: background 0.12s ease;
+}
+
+.audit-log-row:hover {
+    background: rgba(0, 102, 255, 0.06);
+}
+
+.audit-log-col-time {
+    white-space: nowrap;
+    color: var(--text-secondary);
+    font-size: 0.75rem;
+    font-variant-numeric: tabular-nums;
+}
+
+.audit-log-col-msg {
+    max-width: 280px;
+    font-weight: 500;
+    color: var(--text-primary);
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.audit-log-col-ip {
+    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+    font-size: 0.75rem;
+    white-space: nowrap;
+}
+
+.audit-log-col-resource {
+    max-width: 160px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+}
+
+.audit-log-cell-muted {
+    color: var(--text-muted);
+}
+
+.audit-tag {
+    display: inline-flex;
+    align-items: center;
+    padding: 3px 8px;
+    border-radius: 4px;
+    font-size: 0.7rem;
+    font-weight: 500;
+    line-height: 1.4;
+    white-space: nowrap;
+    border: 1px solid transparent;
+}
+
+.audit-tag--ok {
+    color: #0d7a3e;
+    background: rgba(13, 122, 62, 0.1);
+    border-color: rgba(13, 122, 62, 0.22);
+}
+
+.audit-tag--fail {
+    color: #c0392b;
+    background: rgba(192, 57, 43, 0.1);
+    border-color: rgba(192, 57, 43, 0.22);
+}
+
+.audit-tag--cat {
+    color: var(--accent-color);
+    background: rgba(0, 102, 255, 0.08);
+    border-color: rgba(0, 102, 255, 0.18);
+}
+
+.audit-tag--act {
+    color: var(--text-secondary);
+    background: var(--bg-secondary, rgba(0, 0, 0, 0.03));
+    border-color: var(--border-color);
+}
+
+.audit-tag--ip {
+    color: #5c6b7a;
+    background: rgba(92, 107, 122, 0.08);
+    border-color: rgba(92, 107, 122, 0.18);
+    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
 }
 
 #settings-section-audit .audit-logs-pagination {
-    margin-top: 0;
+    margin-top: 12px;
     padding: 0;
     border: none;
     box-shadow: none;
@@ -4679,11 +5363,7 @@ header {
 #settings-section-audit .audit-logs-pagination .monitor-pagination {
     margin-top: 0;
     border: 1px solid var(--border-color);
-    border-radius: 0 0 8px 8px;
-}
-
-.audit-log-item {
-    cursor: pointer;
+    border-radius: 8px;
 }
 
 .audit-detail-pre {
@@ -4696,41 +5376,41 @@ header {
     margin-top: 12px;
 }
 
-.audit-summary-stats {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 12px;
-    margin: 12px 0 16px;
+.audit-timezone-hint {
+    margin: 0;
+    padding-top: 10px;
+    border-top: 1px solid var(--border-color);
+    font-size: 0.75rem;
+    color: var(--text-secondary);
+    opacity: 0.9;
 }
 
-.audit-stat-card {
-    flex: 1;
-    min-width: 120px;
-    padding: 12px 16px;
-    border-radius: 8px;
-    background: var(--bg-secondary, rgba(255, 255, 255, 0.04));
-    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
-}
+@media (max-width: 640px) {
+    .audit-filter-bottom {
+        flex-direction: column;
+        align-items: stretch;
+    }
 
-.audit-stat-card strong {
-    display: block;
-    font-size: 1.35rem;
-    margin-top: 4px;
-}
+    .audit-filter-time-group {
+        margin-left: 0;
+        flex: 1 1 100%;
+        min-width: 0;
+    }
 
-.audit-stat-label {
-    font-size: 0.85rem;
-    opacity: 0.75;
-}
+    .audit-logs-actions {
+        margin-left: 0;
+        justify-content: flex-start;
+    }
 
-.audit-retention-hint {
-    margin-top: 4px;
-    opacity: 0.85;
+    .audit-summary-tags {
+        justify-content: flex-start;
+    }
 }
 
 .audit-export-dropdown {
     position: relative;
-    display: inline-block;
+    display: inline-flex;
+    align-items: flex-end;
 }
 
 .audit-export-trigger {
diff --git a/web/static/i18n/en-US.json b/web/static/i18n/en-US.json
index b94c1c59..891ea4d4 100644
--- a/web/static/i18n/en-US.json
+++ b/web/static/i18n/en-US.json
@@ -2086,14 +2086,35 @@
     "filterResult": "Result",
     "pageSize": "Per page",
     "statTotal": "Filtered total",
+    "statSuccess": "Success",
     "statFailures": "Failures",
     "statRecent7d": "Last 7 days",
     "retentionHint": "Audit records are kept for {{days}} days, then purged automatically.",
     "disabledHint": "Audit logging is disabled; new actions are not written.",
     "filterSince": "From",
     "filterUntil": "Until",
+    "filterTimeZone": "Timezone: {{tz}} (filter uses your browser's local time)",
+    "datetimePlaceholder": "Select date & time",
+    "timePresets": "Quick range",
+    "preset15m": "Last 15 min",
+    "preset1h": "Last 1 hour",
+    "preset24h": "Last 24 hours",
+    "preset7d": "Last 7 days",
+    "presetToday": "Today",
+    "pickerHour": "Hour",
+    "pickerMinute": "Min",
+    "pickerClear": "Clear",
+    "pickerToday": "Today",
+    "pickerConfirm": "OK",
     "filterQuery": "Keyword",
     "filterQueryPlaceholder": "Message / resource ID / action",
+    "colTime": "Time",
+    "colMessage": "Message",
+    "colCategory": "Category",
+    "colAction": "Action",
+    "colResult": "Result",
+    "colIp": "IP",
+    "colResource": "Resource ID",
     "cat": {
       "auth": "Auth",
       "config": "Config",
diff --git a/web/static/i18n/zh-CN.json b/web/static/i18n/zh-CN.json
index c7529210..2f08f2b8 100644
--- a/web/static/i18n/zh-CN.json
+++ b/web/static/i18n/zh-CN.json
@@ -2074,14 +2074,35 @@
     "filterResult": "结果",
     "pageSize": "每页",
     "statTotal": "当前筛选",
+    "statSuccess": "成功",
     "statFailures": "失败",
     "statRecent7d": "近 7 天",
     "retentionHint": "审计记录保留 {{days}} 天，超期自动清理。",
     "disabledHint": "审计功能已关闭，新操作不会写入审计表。",
     "filterSince": "开始时间",
     "filterUntil": "结束时间",
+    "filterTimeZone": "时区：{{tz}}（筛选按浏览器本地时间）",
+    "datetimePlaceholder": "选择日期时间",
+    "timePresets": "快捷",
+    "preset15m": "最近15分钟",
+    "preset1h": "最近1小时",
+    "preset24h": "最近24小时",
+    "preset7d": "最近7天",
+    "presetToday": "今天",
+    "pickerHour": "时",
+    "pickerMinute": "分",
+    "pickerClear": "清除",
+    "pickerToday": "今天",
+    "pickerConfirm": "确定",
     "filterQuery": "关键词",
     "filterQueryPlaceholder": "消息 / 资源 ID / 操作名",
+    "colTime": "时间",
+    "colMessage": "说明",
+    "colCategory": "类别",
+    "colAction": "操作",
+    "colResult": "结果",
+    "colIp": "IP",
+    "colResource": "资源 ID",
     "cat": {
       "auth": "认证",
       "config": "配置",
diff --git a/web/static/js/audit-datetime-picker.js b/web/static/js/audit-datetime-picker.js
new file mode 100644
index 00000000..ef2fad23
--- /dev/null
+++ b/web/static/js/audit-datetime-picker.js
@@ -0,0 +1,428 @@
+/**
+ * Audit log datetime picker — cross-browser, locale-aware (SLS-style calendar + time columns).
+ */
+(function () {
+    'use strict';
+
+    var registry = {};
+    var popover = null;
+    var activeFieldId = null;
+    var draft = null;
+    var viewYear = 0;
+    var viewMonth = 0;
+
+    function pad2(n) {
+        return String(n).padStart(2, '0');
+    }
+
+    function pickerLocale() {
+        if (typeof auditLocale === 'function') return auditLocale();
+        if (typeof window.__locale === 'string' && window.__locale.startsWith('zh')) return 'zh-CN';
+        return 'en-US';
+    }
+
+    function pickerT(key, fallback) {
+        if (typeof auditT === 'function') return auditT(key, null, fallback);
+        if (typeof t === 'function') {
+            var v = t(key);
+            if (v && v !== key) return v;
+        }
+        return fallback;
+    }
+
+    function partsToStorage(p) {
+        if (!p) return '';
+        return p.y + '-' + pad2(p.m) + '-' + pad2(p.d) + 'T' + pad2(p.h) + ':' + pad2(p.mi);
+    }
+
+    function parseStorage(value) {
+        if (!value) return null;
+        var m = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})/.exec(String(value).trim());
+        if (!m) return null;
+        return { y: +m[1], m: +m[2], d: +m[3], h: +m[4], mi: +m[5] };
+    }
+
+    function formatDisplay(parts) {
+        if (!parts) return '';
+        var loc = pickerLocale();
+        try {
+            var d = new Date(parts.y, parts.m - 1, parts.d, parts.h, parts.mi, 0, 0);
+            return d.toLocaleString(loc, {
+                year: 'numeric',
+                month: '2-digit',
+                day: '2-digit',
+                hour: '2-digit',
+                minute: '2-digit',
+                hour12: false
+            });
+        } catch (_) {
+            return partsToStorage(parts).replace('T', ' ');
+        }
+    }
+
+    function nowParts() {
+        var n = new Date();
+        return { y: n.getFullYear(), m: n.getMonth() + 1, d: n.getDate(), h: n.getHours(), mi: n.getMinutes() };
+    }
+
+    function startOfTodayParts() {
+        var n = new Date();
+        return { y: n.getFullYear(), m: n.getMonth() + 1, d: n.getDate(), h: 0, mi: 0 };
+    }
+
+    function monthTitle(year, month) {
+        var loc = pickerLocale();
+        if (loc.startsWith('zh')) {
+            return year + '\u5e74' + pad2(month) + '\u6708';
+        }
+        try {
+            return new Date(year, month - 1, 1).toLocaleString(loc, { month: 'long', year: 'numeric' });
+        } catch (_) {
+            return year + '-' + pad2(month);
+        }
+    }
+
+    function weekdayHeaders() {
+        var loc = pickerLocale();
+        if (loc.startsWith('zh')) {
+            return ['\u65e5', '\u4e00', '\u4e8c', '\u4e09', '\u56db', '\u4e94', '\u516d'];
+        }
+        return ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'];
+    }
+
+    function buildMonthGrid(year, month) {
+        var first = new Date(year, month - 1, 1);
+        var start = new Date(first);
+        start.setDate(first.getDate() - first.getDay());
+        var cells = [];
+        var cursor = new Date(start);
+        for (var i = 0; i < 42; i++) {
+            cells.push({
+                y: cursor.getFullYear(),
+                m: cursor.getMonth() + 1,
+                d: cursor.getDate(),
+                inMonth: cursor.getMonth() === month - 1
+            });
+            cursor.setDate(cursor.getDate() + 1);
+        }
+        return cells;
+    }
+
+    function ensurePopover() {
+        if (popover) return popover;
+        popover = document.createElement('div');
+        popover.className = 'audit-dt-popover';
+        popover.hidden = true;
+        popover.setAttribute('role', 'dialog');
+        popover.innerHTML =
+            '<div class="audit-dt-popover-inner">' +
+            '<div class="audit-dt-head">' +
+            '<button type="button" class="audit-dt-nav" data-nav="prev" aria-label="prev">&lsaquo;</button>' +
+            '<span class="audit-dt-month-label"></span>' +
+            '<button type="button" class="audit-dt-nav" data-nav="next" aria-label="next">&rsaquo;</button>' +
+            '</div>' +
+            '<div class="audit-dt-body">' +
+            '<div class="audit-dt-calendar"></div>' +
+            '<div class="audit-dt-time">' +
+            '<div class="audit-dt-time-col" data-part="hour">' +
+            '<span class="audit-dt-time-label audit-dt-hour-label"></span>' +
+            '<div class="audit-dt-time-list"></div>' +
+            '</div>' +
+            '<div class="audit-dt-time-col" data-part="minute">' +
+            '<span class="audit-dt-time-label audit-dt-minute-label"></span>' +
+            '<div class="audit-dt-time-list"></div>' +
+            '</div>' +
+            '</div>' +
+            '</div>' +
+            '<div class="audit-dt-footer">' +
+            '<button type="button" class="audit-dt-footer-btn" data-action="clear"></button>' +
+            '<button type="button" class="audit-dt-footer-btn" data-action="today"></button>' +
+            '<button type="button" class="audit-dt-footer-btn audit-dt-footer-btn--primary" data-action="confirm"></button>' +
+            '</div>' +
+            '</div>';
+        document.body.appendChild(popover);
+
+        popover.addEventListener('click', function (ev) {
+            ev.stopPropagation();
+            var btn = ev.target.closest('[data-nav]');
+            if (btn) {
+                if (btn.getAttribute('data-nav') === 'prev') {
+                    viewMonth -= 1;
+                    if (viewMonth < 1) { viewMonth = 12; viewYear -= 1; }
+                } else {
+                    viewMonth += 1;
+                    if (viewMonth > 12) { viewMonth = 1; viewYear += 1; }
+                }
+                renderPopover();
+                return;
+            }
+            var dayBtn = ev.target.closest('[data-day]');
+            if (dayBtn && draft) {
+                draft.y = +dayBtn.getAttribute('data-y');
+                draft.m = +dayBtn.getAttribute('data-m');
+                draft.d = +dayBtn.getAttribute('data-d');
+                if (draft.y !== viewYear || draft.m !== viewMonth) {
+                    viewYear = draft.y;
+                    viewMonth = draft.m;
+                    renderCalendar();
+                } else {
+                    updateDaySelection();
+                }
+                return;
+            }
+            var timeBtn = ev.target.closest('[data-time]');
+            if (timeBtn && draft) {
+                var part = timeBtn.getAttribute('data-part');
+                var val = +timeBtn.getAttribute('data-time');
+                if (part === 'hour') draft.h = val;
+                if (part === 'minute') draft.mi = val;
+                updateTimeSelection();
+                return;
+            }
+            var actionBtn = ev.target.closest('[data-action]');
+            if (!actionBtn) return;
+            var action = actionBtn.getAttribute('data-action');
+            if (action === 'clear') {
+                applyValue(activeFieldId, '');
+                closePopover();
+            } else if (action === 'today') {
+                if (draft) {
+                    var t = nowParts();
+                    draft.y = t.y; draft.m = t.m; draft.d = t.d;
+                    viewYear = t.y; viewMonth = t.m;
+                }
+                renderPopover();
+            } else if (action === 'confirm') {
+                applyValue(activeFieldId, partsToStorage(draft));
+                closePopover();
+            }
+        });
+
+        document.addEventListener('click', onDocumentClick);
+        document.addEventListener('keydown', onDocumentKeydown);
+        document.addEventListener('languagechange', function () {
+            if (!popover.hidden) renderPopover();
+            refreshAllDisplays();
+        });
+
+        return popover;
+    }
+
+    function onDocumentClick(ev) {
+        if (!popover || popover.hidden) return;
+        if (popover.contains(ev.target)) return;
+        if (activeFieldId && registry[activeFieldId] && registry[activeFieldId].wrap.contains(ev.target)) return;
+        closePopover();
+    }
+
+    function onDocumentKeydown(ev) {
+        if (ev.key === 'Escape' && popover && !popover.hidden) {
+            closePopover();
+        }
+    }
+
+    function positionPopover(fieldWrap) {
+        var rect = fieldWrap.getBoundingClientRect();
+        var width = 320;
+        popover.style.width = width + 'px';
+        var left = rect.left;
+        if (left + width > window.innerWidth - 12) {
+            left = Math.max(12, window.innerWidth - width - 12);
+        }
+        popover.style.left = left + 'px';
+        var top = rect.bottom + 6;
+        if (top + 340 > window.innerHeight - 12) {
+            top = Math.max(12, rect.top - 340 - 6);
+        }
+        popover.style.top = top + 'px';
+    }
+
+    function renderCalendar() {
+        if (!popover || !draft) return;
+        popover.querySelector('.audit-dt-month-label').textContent = monthTitle(viewYear, viewMonth);
+        var cal = popover.querySelector('.audit-dt-calendar');
+        var headers = weekdayHeaders();
+        var html = '<div class="audit-dt-weekdays">';
+        headers.forEach(function (h) { html += '<span>' + h + '</span>'; });
+        html += '</div><div class="audit-dt-days">';
+        buildMonthGrid(viewYear, viewMonth).forEach(function (cell) {
+            var cls = 'audit-dt-day';
+            if (!cell.inMonth) cls += ' is-other-month';
+            if (draft && cell.y === draft.y && cell.m === draft.m && cell.d === draft.d) cls += ' is-selected';
+            html += '<button type="button" class="' + cls + '" data-day="1" data-y="' + cell.y +
+                '" data-m="' + cell.m + '" data-d="' + cell.d + '">' + cell.d + '</button>';
+        });
+        html += '</div>';
+        cal.innerHTML = html;
+    }
+
+    function renderTimeLists() {
+        if (!popover || !draft) return;
+        var hourList = popover.querySelector('[data-part="hour"] .audit-dt-time-list');
+        var minuteList = popover.querySelector('[data-part="minute"] .audit-dt-time-list');
+        var hourHtml = '';
+        var minuteHtml = '';
+        var h;
+        for (h = 0; h < 24; h++) {
+            hourHtml += '<button type="button" class="audit-dt-time-item' + (draft && draft.h === h ? ' is-selected' : '') +
+                '" data-part="hour" data-time="' + h + '">' + pad2(h) + '</button>';
+        }
+        for (h = 0; h < 60; h++) {
+            minuteHtml += '<button type="button" class="audit-dt-time-item' + (draft && draft.mi === h ? ' is-selected' : '') +
+                '" data-part="minute" data-time="' + h + '">' + pad2(h) + '</button>';
+        }
+        hourList.innerHTML = hourHtml;
+        minuteList.innerHTML = minuteHtml;
+        scrollTimeSelection(hourList, draft.h);
+        scrollTimeSelection(minuteList, draft.mi);
+    }
+
+    function updateDaySelection() {
+        if (!popover || !draft) return;
+        popover.querySelectorAll('.audit-dt-day').forEach(function (btn) {
+            var selected = +btn.getAttribute('data-y') === draft.y &&
+                +btn.getAttribute('data-m') === draft.m &&
+                +btn.getAttribute('data-d') === draft.d;
+            btn.classList.toggle('is-selected', selected);
+        });
+    }
+
+    function updateTimeSelection() {
+        if (!popover || !draft) return;
+        var hourList = popover.querySelector('[data-part="hour"] .audit-dt-time-list');
+        var minuteList = popover.querySelector('[data-part="minute"] .audit-dt-time-list');
+        if (!hourList || !minuteList || !hourList.children.length) {
+            renderTimeLists();
+            return;
+        }
+        hourList.querySelectorAll('.audit-dt-time-item').forEach(function (btn) {
+            btn.classList.toggle('is-selected', +btn.getAttribute('data-time') === draft.h);
+        });
+        minuteList.querySelectorAll('.audit-dt-time-item').forEach(function (btn) {
+            btn.classList.toggle('is-selected', +btn.getAttribute('data-time') === draft.mi);
+        });
+        scrollTimeSelection(hourList, draft.h);
+        scrollTimeSelection(minuteList, draft.mi);
+    }
+
+    function renderPopover() {
+        if (!popover || !draft) return;
+        popover.querySelector('.audit-dt-hour-label').textContent = pickerT('settingsAudit.pickerHour', 'Hour');
+        popover.querySelector('.audit-dt-minute-label').textContent = pickerT('settingsAudit.pickerMinute', 'Min');
+        popover.querySelector('[data-action="clear"]').textContent = pickerT('settingsAudit.pickerClear', 'Clear');
+        popover.querySelector('[data-action="today"]').textContent = pickerT('settingsAudit.pickerToday', 'Today');
+        popover.querySelector('[data-action="confirm"]').textContent = pickerT('settingsAudit.pickerConfirm', 'OK');
+        renderCalendar();
+        renderTimeLists();
+    }
+
+    function scrollTimeSelection(listEl, value) {
+        var sel = listEl.querySelector('.is-selected');
+        if (sel && sel.scrollIntoView) {
+            sel.scrollIntoView({ block: 'center' });
+        }
+    }
+
+    function openPopover(fieldId) {
+        ensurePopover();
+        var entry = registry[fieldId];
+        if (!entry) return;
+        activeFieldId = fieldId;
+        var stored = entry.wrap.dataset.value || '';
+        draft = parseStorage(stored) || nowParts();
+        viewYear = draft.y;
+        viewMonth = draft.m;
+        renderPopover();
+        positionPopover(entry.wrap);
+        popover.hidden = false;
+    }
+
+    function closePopover() {
+        if (!popover) return;
+        popover.hidden = true;
+        activeFieldId = null;
+        draft = null;
+    }
+
+    function refreshDisplay(fieldId) {
+        var entry = registry[fieldId];
+        if (!entry) return;
+        var parts = parseStorage(entry.wrap.dataset.value || '');
+        entry.input.value = parts ? formatDisplay(parts) : '';
+        entry.input.placeholder = pickerT('settingsAudit.datetimePlaceholder', 'Select date & time');
+        entry.clearBtn.hidden = !parts;
+    }
+
+    function refreshAllDisplays() {
+        Object.keys(registry).forEach(refreshDisplay);
+    }
+
+    function applyValue(fieldId, storageValue) {
+        var entry = registry[fieldId];
+        if (!entry) return;
+        entry.wrap.dataset.value = storageValue || '';
+        refreshDisplay(fieldId);
+    }
+
+    function bindField(fieldId) {
+        var wrap = document.getElementById(fieldId);
+        if (!wrap || wrap.dataset.auditDtBound === '1') return;
+        var input = wrap.querySelector('.audit-datetime-input');
+        var openBtn = wrap.querySelector('.audit-datetime-open-btn');
+        var clearBtn = wrap.querySelector('.audit-datetime-clear-btn');
+        if (!input || !openBtn || !clearBtn) return;
+
+        wrap.dataset.auditDtBound = '1';
+        registry[fieldId] = { wrap: wrap, input: input, clearBtn: clearBtn };
+
+        openBtn.addEventListener('click', function (ev) {
+            ev.preventDefault();
+            ev.stopPropagation();
+            if (!popover || popover.hidden || activeFieldId !== fieldId) {
+                openPopover(fieldId);
+            } else {
+                closePopover();
+            }
+        });
+        input.addEventListener('click', function (ev) {
+            ev.stopPropagation();
+            openPopover(fieldId);
+        });
+        clearBtn.addEventListener('click', function (ev) {
+            ev.preventDefault();
+            ev.stopPropagation();
+            applyValue(fieldId, '');
+        });
+        refreshDisplay(fieldId);
+    }
+
+    window.AuditDatetimePicker = {
+        init: function () {
+            bindField('audit-filter-since-field');
+            bindField('audit-filter-until-field');
+            refreshAllDisplays();
+        },
+        getValue: function (inputId) {
+            var fieldId = inputId === 'audit-filter-since' ? 'audit-filter-since-field' : 'audit-filter-until-field';
+            var entry = registry[fieldId];
+            return entry ? (entry.wrap.dataset.value || '') : '';
+        },
+        setValue: function (inputId, dateObj) {
+            if (!dateObj || Number.isNaN(dateObj.getTime())) return;
+            var fieldId = inputId === 'audit-filter-since' ? 'audit-filter-since-field' : 'audit-filter-until-field';
+            var p = {
+                y: dateObj.getFullYear(),
+                m: dateObj.getMonth() + 1,
+                d: dateObj.getDate(),
+                h: dateObj.getHours(),
+                mi: dateObj.getMinutes()
+            };
+            applyValue(fieldId, partsToStorage(p));
+        },
+        clearAll: function () {
+            applyValue('audit-filter-since-field', '');
+            applyValue('audit-filter-until-field', '');
+            closePopover();
+        }
+    };
+})();
diff --git a/web/static/js/audit.js b/web/static/js/audit.js
index 30572951..7b061e40 100644
--- a/web/static/js/audit.js
+++ b/web/static/js/audit.js
@@ -52,24 +52,76 @@ function auditActionLabel(action) {
     return auditT('settingsAudit.act.' + action, null, action);
 }
 
+function auditLocale() {
+    if (typeof window.__locale === 'string' && window.__locale.length) {
+        return window.__locale.startsWith('zh') ? 'zh-CN' : 'en-US';
+    }
+    return (typeof navigator !== 'undefined' && navigator.language) ? navigator.language : 'en-US';
+}
+
+function auditTimezoneShortLabel() {
+    try {
+        const parts = new Intl.DateTimeFormat(auditLocale(), { timeZoneName: 'short' }).formatToParts(new Date());
+        const tz = parts.find(function (p) { return p.type === 'timeZoneName'; });
+        return tz ? tz.value : '';
+    } catch (_) {
+        return '';
+    }
+}
+
 function formatAuditTime(iso) {
     if (!iso) return '';
     try {
         const d = new Date(iso);
         if (Number.isNaN(d.getTime())) return iso;
-        return d.toLocaleString();
+        return d.toLocaleString(auditLocale(), {
+            year: 'numeric',
+            month: '2-digit',
+            day: '2-digit',
+            hour: '2-digit',
+            minute: '2-digit',
+            second: '2-digit',
+            hour12: false,
+            timeZoneName: 'short'
+        });
     } catch (_) {
         return iso;
     }
 }
 
+/** Read stored local datetime (YYYY-MM-DDTHH:mm) from custom picker or raw input. */
+function getAuditFilterDatetimeValue(inputId) {
+    if (typeof window.AuditDatetimePicker !== 'undefined' && typeof window.AuditDatetimePicker.getValue === 'function') {
+        return window.AuditDatetimePicker.getValue(inputId) || '';
+    }
+    var el = document.getElementById(inputId);
+    return el ? (el.value || '') : '';
+}
+
+/** datetime-local / picker storage -> UTC RFC3339 for API. */
 function auditDatetimeLocalToRFC3339(value) {
     if (!value || !value.trim()) return '';
-    const d = new Date(value);
+    const m = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})/.exec(value.trim());
+    if (!m) return '';
+    const d = new Date(+m[1], +m[2] - 1, +m[3], +m[4], +m[5], 0, 0);
     if (Number.isNaN(d.getTime())) return '';
     return d.toISOString();
 }
 
+function updateAuditTimezoneHint() {
+    const el = document.getElementById('audit-filter-timezone-hint');
+    if (!el) return;
+    const tz = auditTimezoneShortLabel();
+    if (!tz) {
+        el.hidden = true;
+        el.textContent = '';
+        return;
+    }
+    el.hidden = false;
+    el.textContent = auditT('settingsAudit.filterTimeZone', { tz: tz },
+        '时区：' + tz + '（筛选按浏览器本地时间，API 使用 UTC）');
+}
+
 function initAuditPageSizeFromStorage() {
     try {
         const saved = parseInt(localStorage.getItem(AUDIT_PAGE_SIZE_KEY), 10);
@@ -113,6 +165,7 @@ function rebuildAuditActionSelect() {
         actEl.disabled = true;
         actEl.value = '';
         actEl.title = hint;
+        syncAuditCustomSelect('audit-filter-action');
         return;
     }
 
@@ -129,6 +182,7 @@ function rebuildAuditActionSelect() {
     if (prev && Array.prototype.some.call(actEl.options, function (o) { return o.value === prev; })) {
         actEl.value = prev;
     }
+    syncAuditCustomSelect('audit-filter-action');
 }
 
 function onAuditCategoryFilterChange() {
@@ -145,43 +199,17 @@ function buildAuditQueryParams(forExport) {
     const act = document.getElementById('audit-filter-action');
     const res = document.getElementById('audit-filter-result');
     const q = document.getElementById('audit-filter-q');
-    const since = document.getElementById('audit-filter-since');
-    const until = document.getElementById('audit-filter-until');
     if (cat && cat.value) params.set('category', cat.value);
     if (act && !act.disabled && act.value) params.set('action', act.value);
     if (res && res.value) params.set('result', res.value);
     if (q && q.value.trim()) params.set('q', q.value.trim());
-    const sinceISO = since ? auditDatetimeLocalToRFC3339(since.value) : '';
-    const untilISO = until ? auditDatetimeLocalToRFC3339(until.value) : '';
+    const sinceISO = auditDatetimeLocalToRFC3339(getAuditFilterDatetimeValue('audit-filter-since'));
+    const untilISO = auditDatetimeLocalToRFC3339(getAuditFilterDatetimeValue('audit-filter-until'));
     if (sinceISO) params.set('since', sinceISO);
     if (untilISO) params.set('until', untilISO);
     return params.toString();
 }
 
-async function loadAuditMeta() {
-    if (typeof apiFetch !== 'function') return;
-    const hint = document.getElementById('audit-retention-hint');
-    try {
-        const r = await apiFetch('/api/audit/meta');
-        if (!r.ok) return;
-        const data = await r.json();
-        if (!hint) return;
-        if (!data.enabled) {
-            hint.hidden = false;
-            hint.textContent = auditT('settingsAudit.disabledHint', null, '审计功能已关闭，新操作不会写入审计表。');
-            return;
-        }
-        const days = data.retention_days;
-        if (days > 0) {
-            hint.hidden = false;
-            hint.textContent = auditT('settingsAudit.retentionHint', { days: days },
-                '审计记录保留 ' + days + ' 天，超期自动清理。');
-        } else {
-            hint.hidden = true;
-        }
-    } catch (_) { /* ignore */ }
-}
-
 async function loadAuditSummary() {
     if (typeof apiFetch !== 'function') return;
     const wrap = document.getElementById('audit-summary-stats');
@@ -191,10 +219,14 @@ async function loadAuditSummary() {
         const data = await r.json();
         if (wrap) wrap.hidden = false;
         const elTotal = document.getElementById('audit-stat-total');
+        const elSuccess = document.getElementById('audit-stat-success');
         const elFail = document.getElementById('audit-stat-failures');
         const elRecent = document.getElementById('audit-stat-recent');
-        if (elTotal) elTotal.textContent = String(data.total != null ? data.total : 0);
-        if (elFail) elFail.textContent = String(data.failures != null ? data.failures : 0);
+        const total = data.total != null ? data.total : 0;
+        const failures = data.failures != null ? data.failures : 0;
+        if (elTotal) elTotal.textContent = String(total);
+        if (elSuccess) elSuccess.textContent = String(Math.max(0, total - failures));
+        if (elFail) elFail.textContent = String(failures);
         if (elRecent) elRecent.textContent = String(data.recent_7d != null ? data.recent_7d : 0);
     } catch (_) { /* ignore */ }
 }
@@ -234,37 +266,57 @@ async function loadAuditLogs(page) {
     }
 }
 
+function auditResultTagClass(result) {
+    return result === 'failure' ? 'audit-tag--fail' : 'audit-tag--ok';
+}
+
 function renderAuditLogs(logs) {
     const listEl = document.getElementById('audit-log-list');
     if (!listEl) return;
     const esc = typeof escapeHtml === 'function' ? escapeHtml : function (s) { return String(s || ''); };
     if (!logs.length) {
-        listEl.innerHTML = '<div class="c2-empty">' + esc(auditT('settingsAudit.empty', null, '暂无审计记录')) + '</div>';
+        listEl.innerHTML = '<div class="audit-log-empty">' + esc(auditT('settingsAudit.empty', null, '暂无审计记录')) + '</div>';
         return;
     }
-    listEl.innerHTML = logs.map(function (log) {
-        const lvl = log.result === 'failure' ? 'warn' : (log.level || 'info');
+    const dash = '<span class="audit-log-cell-muted">—</span>';
+    const head = (
+        '<div class="audit-log-table-wrap">' +
+        '<table class="audit-log-table">' +
+        '<thead><tr>' +
+        '<th data-i18n="settingsAudit.colTime">时间</th>' +
+        '<th data-i18n="settingsAudit.colMessage">说明</th>' +
+        '<th data-i18n="settingsAudit.colCategory">类别</th>' +
+        '<th data-i18n="settingsAudit.colAction">操作</th>' +
+        '<th data-i18n="settingsAudit.colResult">结果</th>' +
+        '<th data-i18n="settingsAudit.colIp">IP</th>' +
+        '<th data-i18n="settingsAudit.colResource">资源 ID</th>' +
+        '</tr></thead><tbody>'
+    );
+    const rows = logs.map(function (log) {
         const catLabel = esc(auditCategoryLabel(log.category || ''));
         const actionLabel = esc(auditActionLabel(log.action || ''));
         const msg = esc(log.message || '');
         const ip = esc(log.clientIp || '');
         const when = esc(formatAuditTime(log.createdAt));
         const res = esc(log.result || '');
-        const rid = log.resourceId || '';
-        const meta = rid ? (' · ' + esc(rid)) : '';
+        const rid = log.resourceId ? esc(log.resourceId) : '';
         const eid = esc(log.id || '');
+        const resultCls = auditResultTagClass(log.result || '');
+        const rowClick = 'onclick="showAuditLogDetail(\'' + eid + '\')" ' +
+            'onkeydown="if(event.key===\'Enter\'||event.key===\' \'){event.preventDefault();showAuditLogDetail(\'' + eid + '\')}"';
         return (
-            '<div class="c2-event-item audit-log-item" role="button" tabindex="0" ' +
-            'onclick="showAuditLogDetail(\'' + eid + '\')" ' +
-            'onkeydown="if(event.key===\'Enter\'||event.key===\' \'){event.preventDefault();showAuditLogDetail(\'' + eid + '\')}">' +
-            '<div class="c2-event-level ' + esc(lvl) + '"></div>' +
-            '<div class="c2-event-content">' +
-            '<div class="c2-event-message">' + msg + '</div>' +
-            '<div class="c2-event-meta">' + when + ' · ' + catLabel + '/' + actionLabel + ' · ' + res + meta +
-            (ip ? ' · IP ' + ip : '') +
-            '</div></div></div>'
+            '<tr class="audit-log-row" role="button" tabindex="0" ' + rowClick + '>' +
+            '<td class="audit-log-col-time">' + when + '</td>' +
+            '<td class="audit-log-col-msg" title="' + msg + '">' + (msg || dash) + '</td>' +
+            '<td>' + (catLabel ? '<span class="audit-tag audit-tag--cat">' + catLabel + '</span>' : dash) + '</td>' +
+            '<td>' + (actionLabel ? '<span class="audit-tag audit-tag--act">' + actionLabel + '</span>' : dash) + '</td>' +
+            '<td>' + (res ? '<span class="audit-tag ' + resultCls + '">' + res + '</span>' : dash) + '</td>' +
+            '<td class="audit-log-col-ip">' + (ip || dash) + '</td>' +
+            '<td class="audit-log-col-resource" title="' + rid + '">' + (rid || dash) + '</td>' +
+            '</tr>'
         );
     }).join('');
+    listEl.innerHTML = head + rows + '</tbody></table></div>';
     if (typeof applyTranslations === 'function') {
         applyTranslations(listEl);
     }
@@ -326,17 +378,58 @@ function resetAuditLogFilters() {
     const act = document.getElementById('audit-filter-action');
     const res = document.getElementById('audit-filter-result');
     const q = document.getElementById('audit-filter-q');
-    const since = document.getElementById('audit-filter-since');
-    const until = document.getElementById('audit-filter-until');
     if (cat) cat.value = '';
     if (res) res.value = '';
     if (q) q.value = '';
-    if (since) since.value = '';
-    if (until) until.value = '';
+    if (typeof window.AuditDatetimePicker !== 'undefined' && typeof window.AuditDatetimePicker.clearAll === 'function') {
+        window.AuditDatetimePicker.clearAll();
+    }
     rebuildAuditActionSelect();
+    syncAuditCustomSelect('audit-filter-category');
+    syncAuditCustomSelect('audit-filter-result');
     filterAuditLogs();
 }
 
+function applyAuditTimePreset(preset) {
+    if (typeof window.AuditDatetimePicker === 'undefined') return;
+    const now = new Date();
+    let since = new Date(now.getTime());
+    let until = new Date(now.getTime());
+    switch (preset) {
+        case '15m':
+            since = new Date(now.getTime() - 15 * 60 * 1000);
+            break;
+        case '1h':
+            since = new Date(now.getTime() - 60 * 60 * 1000);
+            break;
+        case '24h':
+            since = new Date(now.getTime() - 24 * 60 * 60 * 1000);
+            break;
+        case '7d':
+            since = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
+            break;
+        case 'today':
+            since = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0, 0);
+            break;
+        default:
+            return;
+    }
+    window.AuditDatetimePicker.setValue('audit-filter-since', since);
+    window.AuditDatetimePicker.setValue('audit-filter-until', until);
+    filterAuditLogs();
+}
+
+function initAuditTimePresets() {
+    const wrap = document.getElementById('audit-time-presets');
+    if (!wrap || wrap.dataset.bound === '1') return;
+    wrap.dataset.bound = '1';
+    wrap.addEventListener('click', function (ev) {
+        const btn = ev.target.closest('[data-preset]');
+        if (!btn) return;
+        applyAuditTimePreset(btn.getAttribute('data-preset'));
+    });
+}
+
 /** 资源已被删除/移除的审计操作，不再提供「打开关联资源」 */
 const AUDIT_ACTIONS_RESOURCE_REMOVED = {
     delete: true,
@@ -597,7 +690,142 @@ async function showAuditLogDetail(id) {
 function initAuditLogsSection() {
     if (!document.getElementById('audit-log-list')) return;
     initAuditPageSizeFromStorage();
+    initAuditFilterSelects();
     rebuildAuditActionSelect();
-    loadAuditMeta();
+    if (typeof window.AuditDatetimePicker !== 'undefined' && typeof window.AuditDatetimePicker.init === 'function') {
+        window.AuditDatetimePicker.init();
+    }
+    initAuditTimePresets();
+    updateAuditTimezoneHint();
     loadAuditLogs(1);
 }
+
+var auditCustomSelectMap = {};
+var auditFilterSelectsDocListener = false;
+
+function closeAllAuditCustomSelects() {
+    Object.keys(auditCustomSelectMap).forEach(function (id) {
+        auditCustomSelectMap[id].wrapper.classList.remove('open');
+    });
+}
+
+function syncAuditCustomSelect(selectId) {
+    var reg = auditCustomSelectMap[selectId];
+    if (!reg) return;
+    var select = reg.select;
+    var dropdown = reg.dropdown;
+    var trigger = reg.trigger;
+    var wrapper = reg.wrapper;
+    var valueSpan = trigger.querySelector('.audit-custom-select-value');
+
+    dropdown.innerHTML = '';
+    Array.prototype.forEach.call(select.options, function (opt) {
+        var item = document.createElement('div');
+        item.className = 'audit-custom-select-option';
+        item.setAttribute('role', 'option');
+        item.setAttribute('data-value', opt.value);
+        if (opt.value === select.value) {
+            item.classList.add('is-selected');
+            item.setAttribute('aria-selected', 'true');
+        }
+        var check = document.createElement('span');
+        check.className = 'audit-custom-select-check';
+        check.setAttribute('aria-hidden', 'true');
+        check.textContent = '✓';
+        var label = document.createElement('span');
+        label.className = 'audit-custom-select-label';
+        label.textContent = opt.textContent;
+        item.appendChild(check);
+        item.appendChild(label);
+        dropdown.appendChild(item);
+    });
+
+    var selectedOpt = select.options[select.selectedIndex];
+    if (valueSpan) {
+        valueSpan.textContent = selectedOpt ? selectedOpt.textContent : '';
+    }
+    trigger.disabled = !!select.disabled;
+    wrapper.classList.toggle('is-disabled', !!select.disabled);
+}
+
+function enhanceAuditFilterSelect(selectId) {
+    var select = document.getElementById(selectId);
+    if (!select) return;
+    if (select.dataset.auditCustom === '1') {
+        syncAuditCustomSelect(selectId);
+        return;
+    }
+    select.dataset.auditCustom = '1';
+    select.classList.add('audit-native-select');
+    select.tabIndex = -1;
+    select.setAttribute('aria-hidden', 'true');
+
+    var wrapper = document.createElement('div');
+    wrapper.className = 'audit-custom-select';
+
+    var trigger = document.createElement('button');
+    trigger.type = 'button';
+    trigger.className = 'audit-custom-select-trigger';
+    trigger.setAttribute('aria-haspopup', 'listbox');
+    var valueSpan = document.createElement('span');
+    valueSpan.className = 'audit-custom-select-value';
+    trigger.appendChild(valueSpan);
+    var caret = document.createElement('span');
+    caret.className = 'audit-custom-select-caret';
+    caret.setAttribute('aria-hidden', 'true');
+    caret.textContent = '▾';
+    trigger.appendChild(caret);
+
+    var dropdown = document.createElement('div');
+    dropdown.className = 'audit-custom-select-dropdown';
+    dropdown.setAttribute('role', 'listbox');
+
+    var parent = select.parentNode;
+    parent.insertBefore(wrapper, select);
+    wrapper.appendChild(trigger);
+    wrapper.appendChild(dropdown);
+    wrapper.appendChild(select);
+
+    auditCustomSelectMap[selectId] = {
+        wrapper: wrapper,
+        trigger: trigger,
+        dropdown: dropdown,
+        select: select
+    };
+
+    trigger.addEventListener('click', function (e) {
+        e.stopPropagation();
+        if (select.disabled) return;
+        var open = wrapper.classList.contains('open');
+        closeAllAuditCustomSelects();
+        if (!open) wrapper.classList.add('open');
+    });
+
+    dropdown.addEventListener('click', function (e) {
+        var opt = e.target.closest('.audit-custom-select-option');
+        if (!opt) return;
+        var val = opt.getAttribute('data-value');
+        if (val === null) val = '';
+        if (select.value !== val) {
+            select.value = val;
+            select.dispatchEvent(new Event('change', { bubbles: true }));
+        }
+        wrapper.classList.remove('open');
+        syncAuditCustomSelect(selectId);
+    });
+
+    syncAuditCustomSelect(selectId);
+}
+
+function initAuditFilterSelects() {
+    if (!document.getElementById('audit-filter-category')) return;
+    if (!auditFilterSelectsDocListener) {
+        document.addEventListener('click', function () {
+            closeAllAuditCustomSelects();
+        });
+        auditFilterSelectsDocListener = true;
+    }
+    enhanceAuditFilterSelect('audit-filter-category');
+    enhanceAuditFilterSelect('audit-filter-action');
+    enhanceAuditFilterSelect('audit-filter-result');
+}
diff --git a/web/templates/index.html b/web/templates/index.html
index cac331cb..56467593 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -3010,19 +3010,27 @@
 
                             <!-- 日志审计 -->
                             <div id="settings-section-audit" class="settings-section-content">
-                                <div class="settings-section-header">
+                                <div class="audit-section-head">
                                     <h3 data-i18n="settingsAudit.title">日志审计</h3>
-                                    <p class="settings-description" data-i18n="settingsAudit.description">记录平台管理类操作（登录、配置、删除等），不记录对话正文、终端/WebShell 每次命令与工具调用明细。</p>
-                                    <p id="audit-retention-hint" class="settings-description audit-retention-hint" hidden></p>
+                                    <div id="audit-summary-stats" class="audit-summary-tags" hidden>
+                                        <span class="audit-summary-tag"><span class="audit-summary-tag-label" data-i18n="settingsAudit.statTotal">当前筛选</span><strong id="audit-stat-total">0</strong></span>
+                                        <span class="audit-summary-tag audit-summary-tag--ok"><span class="audit-summary-tag-label" data-i18n="settingsAudit.statSuccess">成功</span><strong id="audit-stat-success">0</strong></span>
+                                        <span class="audit-summary-tag audit-summary-tag--warn"><span class="audit-summary-tag-label" data-i18n="settingsAudit.statFailures">失败</span><strong id="audit-stat-failures">0</strong></span>
+                                        <span class="audit-summary-tag"><span class="audit-summary-tag-label" data-i18n="settingsAudit.statRecent7d">近 7 天</span><strong id="audit-stat-recent">0</strong></span>
+                                    </div>
                                 </div>
-                                <div id="audit-summary-stats" class="audit-summary-stats" hidden>
-                                    <div class="audit-stat-card"><span class="audit-stat-label" data-i18n="settingsAudit.statTotal">当前筛选</span><strong id="audit-stat-total">0</strong></div>
-                                    <div class="audit-stat-card"><span class="audit-stat-label" data-i18n="settingsAudit.statFailures">失败</span><strong id="audit-stat-failures">0</strong></div>
-                                    <div class="audit-stat-card"><span class="audit-stat-label" data-i18n="settingsAudit.statRecent7d">近 7 天</span><strong id="audit-stat-recent">0</strong></div>
-                                </div>
-                                <div class="audit-logs-toolbar">
-                                    <div class="audit-logs-filters">
-                                        <label class="audit-filter-cascade-group">
+                                <div class="audit-filter-card">
+                                    <div class="audit-time-presets" id="audit-time-presets">
+                                        <span class="audit-time-presets-label" data-i18n="settingsAudit.timePresets">快捷</span>
+                                        <button type="button" class="audit-time-preset-btn" data-preset="15m" data-i18n="settingsAudit.preset15m">最近15分钟</button>
+                                        <button type="button" class="audit-time-preset-btn" data-preset="1h" data-i18n="settingsAudit.preset1h">最近1小时</button>
+                                        <button type="button" class="audit-time-preset-btn" data-preset="24h" data-i18n="settingsAudit.preset24h">最近24小时</button>
+                                        <button type="button" class="audit-time-preset-btn" data-preset="7d" data-i18n="settingsAudit.preset7d">最近7天</button>
+                                        <button type="button" class="audit-time-preset-btn" data-preset="today" data-i18n="settingsAudit.presetToday">今天</button>
+                                    </div>
+                                    <div class="audit-filter-fields">
+                                        <div class="audit-filter-row">
+                                        <label class="audit-field audit-field--event">
                                             <span data-i18n="settingsAudit.filterEvent">事件类型</span>
                                             <div class="audit-filter-cascade">
                                                 <select id="audit-filter-category" onchange="onAuditCategoryFilterChange()" aria-label="类别">
@@ -3049,7 +3057,7 @@
                                                 </select>
                                             </div>
                                         </label>
-                                        <label>
+                                        <label class="audit-field audit-field--result">
                                             <span data-i18n="settingsAudit.filterResult">结果</span>
                                             <select id="audit-filter-result">
                                                 <option value="" data-i18n="settingsAudit.filterAll">全部</option>
@@ -3057,36 +3065,54 @@
                                                 <option value="failure">failure</option>
                                             </select>
                                         </label>
-                                        <label>
+                                        <div class="audit-filter-time-group">
+                                        <label class="audit-field audit-field--time">
                                             <span data-i18n="settingsAudit.filterSince">开始时间</span>
-                                            <input type="datetime-local" id="audit-filter-since" />
+                                            <div class="audit-datetime-field" id="audit-filter-since-field">
+                                                <input type="text" id="audit-filter-since" class="audit-datetime-input" readonly autocomplete="off" data-i18n="settingsAudit.datetimePlaceholder" data-i18n-attr="placeholder" placeholder="选择日期时间" />
+                                                <button type="button" class="audit-datetime-btn audit-datetime-clear-btn" title="Clear" aria-label="Clear" hidden>&times;</button>
+                                                <button type="button" class="audit-datetime-btn audit-datetime-open-btn" title="Open" aria-label="Open">
+                                                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" aria-hidden="true"><rect x="3" y="4" width="18" height="18" rx="2" stroke="currentColor" stroke-width="2"/><path d="M16 2v4M8 2v4M3 10h18" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg>
+                                                </button>
+                                            </div>
                                         </label>
-                                        <label>
+                                        <label class="audit-field audit-field--time">
                                             <span data-i18n="settingsAudit.filterUntil">结束时间</span>
-                                            <input type="datetime-local" id="audit-filter-until" />
+                                            <div class="audit-datetime-field" id="audit-filter-until-field">
+                                                <input type="text" id="audit-filter-until" class="audit-datetime-input" readonly autocomplete="off" data-i18n="settingsAudit.datetimePlaceholder" data-i18n-attr="placeholder" placeholder="选择日期时间" />
+                                                <button type="button" class="audit-datetime-btn audit-datetime-clear-btn" title="Clear" aria-label="Clear" hidden>&times;</button>
+                                                <button type="button" class="audit-datetime-btn audit-datetime-open-btn" title="Open" aria-label="Open">
+                                                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" aria-hidden="true"><rect x="3" y="4" width="18" height="18" rx="2" stroke="currentColor" stroke-width="2"/><path d="M16 2v4M8 2v4M3 10h18" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg>
+                                                </button>
+                                            </div>
                                         </label>
-                                        <label>
+                                        </div>
+                                        </div>
+                                    </div>
+                                    <div class="audit-filter-bottom">
+                                        <label class="audit-field audit-field--keyword">
                                             <span data-i18n="settingsAudit.filterQuery">关键词</span>
                                             <input type="text" id="audit-filter-q" data-i18n="settingsAudit.filterQueryPlaceholder" data-i18n-attr="placeholder" placeholder="消息 / 资源 ID / 操作名" />
                                         </label>
-                                        <button type="button" class="btn-secondary" onclick="filterAuditLogs()" data-i18n="settingsAudit.filterBtn">筛选</button>
-                                        <button type="button" class="btn-secondary" onclick="resetAuditLogFilters()" data-i18n="settingsAudit.resetBtn">重置</button>
-                                    </div>
-                                    <div class="audit-logs-actions">
-                                        <button type="button" class="btn-secondary" onclick="refreshAuditLogs()" data-i18n="common.refresh">刷新</button>
-                                        <div class="audit-export-dropdown">
-                                            <button type="button" class="btn-secondary audit-export-trigger" id="audit-export-trigger" onclick="toggleAuditExportMenu(event)" aria-haspopup="true" aria-expanded="false">
-                                                <span data-i18n="settingsAudit.exportBtn">导出</span>
-                                                <span class="audit-export-caret" aria-hidden="true">▾</span>
-                                            </button>
-                                            <div id="audit-export-menu" class="audit-export-menu" role="menu" hidden>
-                                                <button type="button" class="audit-export-menu-item" role="menuitem" onclick="runAuditExport('json')" data-i18n="settingsAudit.exportJson">导出 JSON</button>
-                                                <button type="button" class="audit-export-menu-item" role="menuitem" onclick="runAuditExport('csv')" data-i18n="settingsAudit.exportCsv">导出 CSV</button>
+                                        <div class="audit-logs-actions">
+                                            <button type="button" class="btn-primary" onclick="filterAuditLogs()" data-i18n="settingsAudit.filterBtn">筛选</button>
+                                            <button type="button" class="btn-secondary" onclick="resetAuditLogFilters()" data-i18n="settingsAudit.resetBtn">重置</button>
+                                            <button type="button" class="btn-secondary" onclick="refreshAuditLogs()" data-i18n="common.refresh">刷新</button>
+                                            <div class="audit-export-dropdown">
+                                                <button type="button" class="btn-secondary audit-export-trigger" id="audit-export-trigger" onclick="toggleAuditExportMenu(event)" aria-haspopup="true" aria-expanded="false">
+                                                    <span data-i18n="settingsAudit.exportBtn">导出</span>
+                                                    <span class="audit-export-caret" aria-hidden="true">▾</span>
+                                                </button>
+                                                <div id="audit-export-menu" class="audit-export-menu" role="menu" hidden>
+                                                    <button type="button" class="audit-export-menu-item" role="menuitem" onclick="runAuditExport('json')" data-i18n="settingsAudit.exportJson">导出 JSON</button>
+                                                    <button type="button" class="audit-export-menu-item" role="menuitem" onclick="runAuditExport('csv')" data-i18n="settingsAudit.exportCsv">导出 CSV</button>
+                                                </div>
                                             </div>
                                         </div>
                                     </div>
+                                    <p id="audit-filter-timezone-hint" class="audit-timezone-hint" hidden></p>
                                 </div>
-                                <div id="audit-log-list" class="audit-log-list c2-event-list"></div>
+                                <div id="audit-log-list" class="audit-log-list"></div>
                                 <div id="audit-logs-pagination" class="pagination-container audit-logs-pagination"></div>
                             </div>
 
@@ -4301,6 +4327,7 @@
     <script src="/static/js/chat.js"></script>
     <script src="/static/js/hitl.js"></script>
     <script src="/static/js/settings.js"></script>
+    <script src="/static/js/audit-datetime-picker.js"></script>
     <script src="/static/js/audit.js"></script>
     <script src="/static/js/wechat-robot.js"></script>
     <script src="/static/vendor/xterm.js"></script>