chore(admin-ui): add admin pagination template and styles

public/css/admin-components.css

@@ -133,6 +133,75 @@
     padding:0;
 }
 
+/* 可复用：Pagination（中后台分页，参考 Ant Design Pro） */
+.adm-pagination{
+    margin-top:16px;
+}
+
+.adm-pagination-inner{
+    display:flex;
+    align-items:center;
+    justify-content:space-between;
+    gap:12px;
+    flex-wrap:wrap;
+}
+
+.adm-page-list{
+    display:flex;
+    align-items:center;
+    gap:6px;
+    flex-wrap:wrap;
+}
+
+.adm-page-btn,
+.adm-page-num,
+.adm-page-ellipsis{
+    display:inline-flex;
+    align-items:center;
+    justify-content:center;
+    min-width:32px;
+    height:32px;
+    padding:0 10px;
+    border-radius:10px;
+    border:1px solid var(--adm-border-color, #e5e7eb);
+    background:var(--adm-bg-container, #ffffff);
+    color:var(--adm-text, #0f172a);
+    text-decoration:none;
+    box-shadow:var(--adm-shadow-sm, 0 1px 2px rgba(15, 23, 42, 0.06));
+}
+
+.adm-page-ellipsis{
+    border-color:transparent;
+    background:transparent;
+    box-shadow:none;
+    min-width:auto;
+    padding:0 6px;
+    color:var(--adm-text-muted, #94a3b8);
+}
+
+.adm-page-num.is-active{
+    border-color:rgba(22, 119, 255, .45);
+    background:rgba(22, 119, 255, .08);
+    color:var(--adm-text, #0f172a);
+    font-weight:700;
+}
+
+.adm-page-btn:hover,
+.adm-page-num:hover{
+    text-decoration:none;
+    border-color:rgba(22, 119, 255, .35);
+    background:rgba(22, 119, 255, .06);
+}
+
+.adm-page-btn.is-disabled{
+    opacity:.55;
+    cursor:not-allowed;
+}
+
+.adm-page-meta{
+    margin-left:auto;
+}
+
 .list-card-header{
     padding:14px 16px;
     display:flex;