feat(M08-D): 补审计日志与系统配置

admin/src/styles.css

@@ -239,6 +239,102 @@
   gap: 16px;
 }
 
+.system-page,
+.system-workspace {
+  display: grid;
+  gap: 16px;
+}
+
+.system-tabs {
+  padding: 0 18px 18px;
+}
+
+.audit-filters {
+  display: grid;
+  grid-template-columns: minmax(210px, 1fr) 210px 180px minmax(320px, 1.2fr) auto;
+  gap: 10px;
+  margin-bottom: 16px;
+}
+
+.system-metrics {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 12px;
+}
+
+.system-metrics > span {
+  display: grid;
+  gap: 6px;
+  padding: 16px 18px;
+  border: 1px solid #dbe3ec;
+  border-radius: 14px;
+  background: #f8fafc;
+}
+
+.system-metrics small,
+.field-help {
+  color: #66758a;
+}
+
+.system-metrics strong {
+  font-size: 26px;
+}
+
+.system-config-grid {
+  display: grid;
+  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
+  gap: 16px;
+}
+
+.config-card {
+  padding: 18px;
+  border: 1px solid #dbe3ec;
+  border-radius: 14px;
+  background: #fff;
+}
+
+.config-card > header,
+.status-control {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+}
+
+.config-card h3 {
+  margin-top: 4px;
+}
+
+.status-control {
+  width: 100%;
+}
+
+.status-control .el-select {
+  width: 150px;
+}
+
+.field-help {
+  display: block;
+  margin-top: 7px;
+  font-size: 12px;
+}
+
+.migration-card .el-button {
+  margin-top: 16px;
+}
+
+.audit-metadata {
+  overflow: auto;
+  min-height: 160px;
+  padding: 14px;
+  border-radius: 10px;
+  background: #14202b;
+  color: #d9e7ef;
+  font: 12px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace;
+  white-space: pre-wrap;
+  word-break: break-word;
+}
+
 .franchise-metrics {
   display: grid;
   grid-template-columns: repeat(4, minmax(0, 1fr));
@@ -321,7 +417,10 @@
 
 @media (max-width: 980px) {
   .franchise-metrics,
-  .franchise-filters {
+  .franchise-filters,
+  .system-metrics,
+  .audit-filters,
+  .system-config-grid {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
 }
@@ -329,6 +428,9 @@
 @media (max-width: 560px) {
   .franchise-metrics,
   .franchise-filters,
+  .system-metrics,
+  .audit-filters,
+  .system-config-grid,
   .follow-up-form .el-form {
     grid-template-columns: 1fr;
   }