fix(user-center): align dual-column with zibll flex shell

Rebuild /profile layout as zibll-style user-center flex (sidebar 320px
first, content flexes). Drop content-layout float shell classes so the
stats/assets nav stays left of the credits panel on desktop and drawer
on tablet/mobile.

assets/css/routes/user-center/responsive.css

@@ -51,25 +51,44 @@
   }
 }
 
-/* ==================== 响应式抽屉（对齐全站 ≤991 隐藏点，覆盖 display:none） ==================== */
+/* ==================== 响应式抽屉（对齐 zibll ≤767 全宽，覆盖 display:none） ==================== */
+/* zibll 在 max-width:767 把 user-center-sidebar/content 设 width:100%；
+ * 本站沿用 ≤991.98 的 drawer 模式，与全站侧栏折叠点一致。 */
 @media (max-width: 991.98px) {
-  body.aksrt-user-center .aksrt-profile__layout {
+  body.aksrt-user-center .user-center-body,
+  body.aksrt-user-center .aksrt-profile__layout,
+  .aksrt-profile .user-center-body,
+  .aksrt-profile .aksrt-profile__layout,
+  .user-center .user-center-body {
     display: block;
+    gap: 0;
   }
 
-  /* 覆盖 layout.css 的 .content-layout__aside { display:none }（page-owned 私有导航不走全站 .sidebar） */
-  body.aksrt-user-center .uc-sidebar.page-owned,
-  body.aksrt-user-center .aksrt-profile__aside.page-owned,
-  body.aksrt-user-center .content-layout__aside.page-owned {
+  body.aksrt-user-center .user-center-content,
+  body.aksrt-user-center .uc-content,
+  .aksrt-profile .user-center-content,
+  .aksrt-profile .uc-content,
+  .user-center .user-center-content {
+    width: 100%;
+    max-width: none;
+    flex: none;
+  }
+
+  /* 抽屉：离屏固定，FAB 打开；不参与文档流，避免堆在内容下方 */
+  body.aksrt-user-center .user-center-sidebar,
+  body.aksrt-user-center .uc-sidebar,
+  body.aksrt-user-center .aksrt-profile__aside,
+  .aksrt-profile .user-center-sidebar,
+  .aksrt-profile .uc-sidebar,
+  .aksrt-profile .aksrt-profile__aside,
+  .user-center .user-center-sidebar {
     display: flex;
     float: none;
+    flex: none;
     width: 270px;
+    max-width: 270px;
     margin-left: 0;
     margin-right: 0;
-  }
-
-  body.aksrt-user-center .uc-sidebar.page-owned,
-  body.aksrt-user-center .aksrt-profile__aside.page-owned {
     position: fixed;
     top: 0;
     left: -280px;
@@ -82,16 +101,27 @@
     transition: left 0.3s cubic-bezier(0.22, 1, 0.36, 1);
     box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
     gap: 0;
+    align-self: auto;
   }
 
-  body.aksrt-user-center .uc-sidebar.page-owned.is-open,
-  body.aksrt-user-center .aksrt-profile__aside.page-owned.is-open {
+  body.aksrt-user-center .user-center-sidebar.is-open,
+  body.aksrt-user-center .uc-sidebar.is-open,
+  body.aksrt-user-center .aksrt-profile__aside.is-open,
+  .aksrt-profile .user-center-sidebar.is-open,
+  .aksrt-profile .uc-sidebar.is-open,
+  .aksrt-profile .aksrt-profile__aside.is-open,
+  .user-center .user-center-sidebar.is-open {
     left: 0;
   }
 
-  /* 抽屉头部 */
-  body.aksrt-user-center .uc-sidebar.page-owned::before,
-  body.aksrt-user-center .aksrt-profile__aside.page-owned::before {
+  /* 抽屉头部装饰 */
+  body.aksrt-user-center .user-center-sidebar::before,
+  body.aksrt-user-center .uc-sidebar::before,
+  body.aksrt-user-center .aksrt-profile__aside::before,
+  .aksrt-profile .user-center-sidebar::before,
+  .aksrt-profile .uc-sidebar::before,
+  .aksrt-profile .aksrt-profile__aside::before,
+  .user-center .user-center-sidebar::before {
     content: '';
     display: block;
     height: 100px;
@@ -99,21 +129,27 @@
     flex-shrink: 0;
   }
 
-  body.aksrt-user-center .uc-sidebar__section {
+  body.aksrt-user-center .uc-sidebar__section,
+  .aksrt-profile .uc-sidebar__section,
+  .user-center .uc-sidebar__section {
     border-radius: 0;
     border-left: none;
     border-right: none;
     box-shadow: none;
   }
 
-  body.aksrt-user-center .uc-sidebar__section:first-of-type {
+  body.aksrt-user-center .uc-sidebar__section:first-of-type,
+  .aksrt-profile .uc-sidebar__section:first-of-type,
+  .user-center .uc-sidebar__section:first-of-type {
     margin-top: -20px;
     position: relative;
     z-index: 1;
     border-radius: 12px 12px 0 0;
   }
 
-  body.aksrt-user-center .uc-sidebar__drawer-trigger {
+  body.aksrt-user-center .uc-sidebar__drawer-trigger,
+  .aksrt-profile .uc-sidebar__drawer-trigger,
+  .user-center .uc-sidebar__drawer-trigger {
     display: flex;
   }
 }