实例卡片带鱼屏铺满 1800，修复被 settings-shell 920 限制；启用状态去掉圆圈。

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

static/hub.css

@@ -83,13 +83,18 @@ body.page-desk .main {
   margin: 0;
   padding: 10px 12px 14px;
 }
-/* 实例页:最大 1800;小于 1800 时按可用宽度铺满 */
+/* 实例页主区:随屏宽;带鱼屏上限 1800 */
 body.page-instances .main {
-  max-width: 1800px;
+  max-width: none;
   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;
+  }
+}
 body.page-login {
   min-height: 100vh;
 }
@@ -391,10 +396,19 @@ button, .btn {
   width: 0;
   height: 0;
 }
+/* 盖过 .settings-shell 的 920 限制;带鱼屏卡片铺满 1800 */
+.settings-shell.inst-shell,
 .inst-shell {
-  max-width: none;
+  max-width: none !important;
   width: 100%;
 }
+@media (min-aspect-ratio: 21/9) {
+  .settings-shell.inst-shell,
+  .inst-shell {
+    max-width: 1800px !important;
+    width: 100%;
+  }
+}
 .inst-add-panel {
   display: none;
   border-bottom: 1px solid rgba(56, 189, 248, 0.12);
@@ -497,23 +511,20 @@ button, .btn {
   display: block;
 }
 .inst-pill {
-  display: inline-flex;
+  display: inline;
-  align-items: center;
+  padding: 0;
-  padding: 2px 8px;
+  border: 0;
-  border-radius: 999px;
+  border-radius: 0;
-  font-size: 0.72rem;
+  background: none;
+  font-size: 0.86rem;
   font-weight: 600;
   letter-spacing: 0.02em;
 }
 .inst-pill--on {
   color: #86efac;
-  background: rgba(22, 101, 52, 0.35);
-  border: 1px solid rgba(74, 222, 128, 0.35);
 }
 .inst-pill--off {
   color: #fda4af;
-  background: rgba(127, 29, 29, 0.35);
-  border: 1px solid rgba(251, 113, 133, 0.35);
 }
 .inst-card-actions {
   display: flex;

templates/base.html

@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>{% block title %}期权中控{% endblock %}</title>
-  <link rel="stylesheet" href="{{ url_for('static', filename='hub.css') }}?v=14">
+  <link rel="stylesheet" href="{{ url_for('static', filename='hub.css') }}?v=15">
 </head>
 <body class="{% if request.path.startswith('/login') %}page-login{% elif request.path.startswith('/desk') %}page-desk{% elif request.path.startswith('/stats') %}page-stats{% elif request.path.startswith('/instances') %}page-instances{% elif request.path == '/' %}page-dashboard{% endif %}">
   {% if session.get('logged_in') %}