实例表格展示 Token/路径，Token 默认打码编辑时明文，页宽上限 1800，统一右上按钮尺寸。

Co-authored-by: Cursor <cursoragent@cursor.com>

static/hub.css

@@ -83,20 +83,13 @@ body.page-desk .main {
   margin: 0;
   padding: 10px 12px 14px;
 }
-/* 实例页:普通屏用满;带鱼屏锁 1800 */
+/* 实例页:最大 1800;小于 1800 时按可用宽度铺满 */
 body.page-instances .main {
-  max-width: none;
+  max-width: 1800px;
   width: 100%;
   margin: 0 auto;
   padding: 12px clamp(12px, 2vw, 28px) 20px;
 }
-@media (min-aspect-ratio: 21/9) {
-  body.page-instances .main {
-    max-width: 1800px;
-    padding-left: clamp(16px, 3vw, 48px);
-    padding-right: clamp(16px, 3vw, 48px);
-  }
-}
 body.page-login {
   min-height: 100vh;
 }
@@ -373,11 +366,23 @@ button, .btn {
   gap: 8px;
   align-items: center;
 }
-.inst-add-trigger {
+.inst-page-head-actions .inst-head-btn {
+  box-sizing: border-box;
+  min-width: 7.5rem;
+  height: 40px;
+  padding: 0 16px;
+  margin: 0;
   display: inline-flex;
   align-items: center;
+  justify-content: center;
+  font-size: 0.88rem;
+  font-weight: 600;
+  letter-spacing: 0.02em;
+  border-radius: 10px;
+  line-height: 1;
+}
+.inst-add-trigger {
   cursor: pointer;
-  margin: 0;
 }
 .inst-add-check {
   position: absolute;
@@ -430,16 +435,29 @@ button, .btn {
 .inst-table tr.inst-row:hover td {
   background: rgba(34, 211, 238, 0.04);
 }
-.inst-td-name { min-width: 7rem; }
+.inst-td-name { min-width: 6rem; }
 .inst-td-url {
-  max-width: 28rem;
+  max-width: 18rem;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
   font-size: 0.8rem;
 }
+.inst-td-token {
+  white-space: nowrap;
+  font-variant-numeric: tabular-nums;
+}
+.inst-token-mask {
+  color: var(--muted);
+  letter-spacing: 0.08em;
+  font-size: 0.82rem;
+}
+.inst-td-path code {
+  font-size: 0.8rem;
+  color: #b6c7da;
+}
 .inst-td-tags {
-  max-width: 10rem;
+  max-width: 8rem;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;