feat(distribution): 新增分销看板

frontend/src/styles/admin-distribution.css

@@ -167,7 +167,56 @@
   margin-bottom: 14px;
 }
 
-/* 二维码池 */
+/* 分销看板 */
+.admin-dashboard-grid {
+  grid-template-columns: repeat(5, minmax(0, 1fr));
+}
+
+.admin-trend-card {
+  margin-top: 16px;
+}
+
+.admin-trend-scroll {
+  overflow-x: auto;
+}
+
+.admin-trend-row {
+  display: grid;
+  grid-template-columns: 80px 70px 70px 130px 130px minmax(160px, 1fr);
+  align-items: center;
+  gap: 12px;
+  min-width: 760px;
+  padding: 10px 0;
+  border-bottom: 1px dashed var(--line);
+  font-size: 13px;
+}
+
+.admin-trend-row:last-child {
+  border-bottom: none;
+}
+
+.admin-trend-row--head {
+  color: var(--ink-muted);
+  font-size: 11px;
+  letter-spacing: 0.04em;
+}
+
+.admin-trend-bar {
+  display: block;
+  height: 8px;
+  overflow: hidden;
+  border-radius: 999px;
+  background: #ece7dc;
+}
+
+.admin-trend-bar i {
+  display: block;
+  height: 100%;
+  border-radius: inherit;
+  background: var(--brand-seal);
+}
+
+/* 分销用户 */
 .admin-qr-thumb {
   border: 1px solid var(--line);
   border-radius: 3px;