fix(nav): header publish menu + userbox card polish

Unpaint multi-type 发布 wrapper, fix light-menu ink, avatar unread
dot clipping, check-in REST double namespace, and user-card VIP/check-in layout.

assets/css/frontend/nav/mobile-toggle.css

@@ -154,7 +154,8 @@
   padding: 0;
   border: none; /* 对齐 zibll：头像无边框 */
   cursor: pointer;
-  overflow: hidden;
+  /* Allow unread corner badge to paint outside the avatar circle. */
+  overflow: visible;
   background: var(--surface-2);
   transition: box-shadow var(--dur-fast, 0.15s) var(--ease);
 }
@@ -168,6 +169,7 @@
   height: 100%;
   object-fit: cover;
   display: block;
+  border-radius: inherit;
 }
 
 .user-dropdown {
@@ -679,13 +681,16 @@
 }
 .nav-user__dot {
   position: absolute;
-  top: 0;
-  right: 0;
+  top: -1px;
+  right: -1px;
   width: 8px;
   height: 8px;
   border-radius: 50%;
   background: var(--color-error, #ef4444);
   border: 2px solid var(--surface-1, #fff);
+  box-sizing: content-box;
+  pointer-events: none;
+  z-index: 2;
 }
 .nav-user__guest-avatar {
   width: 36px;
@@ -715,20 +720,27 @@
   gap: 6px;
   flex-wrap: wrap;
 }
+/* Beat generic `.user-dropdown a { width:100%; height:44px }` sizing. */
+.user-dropdown a.user-dropdown__msg,
 .user-dropdown__msg {
   position: absolute;
   top: 8px;
   right: 8px;
-  width: 34px;
-  height: 34px;
+  width: 34px !important;
+  height: 34px !important;
+  min-width: 34px;
+  max-width: 34px;
   border-radius: 50%;
   display: inline-flex !important;
   align-items: center;
   justify-content: center;
+  gap: 0 !important;
   padding: 0 !important;
   background: var(--surface-2);
   color: var(--color-ink-3);
+  box-sizing: border-box;
 }
+.user-dropdown a.user-dropdown__msg:hover,
 .user-dropdown__msg:hover {
   background: var(--surface-3);
   color: var(--color-primary);