顶栏上下留白按 1.1 倍标题高度，标题、导航与页面内容间距统一。

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

static/hub.css

@@ -18,6 +18,10 @@
   --radius: 14px;
   --font: "IBM Plex Sans", "Segoe UI", sans-serif;
   --font-display: "Orbitron", "IBM Plex Sans", sans-serif;
+  --hub-title-size: 1.75rem;
+  --hub-title-lh: 1.25;
+  --hub-title-h: calc(var(--hub-title-size) * var(--hub-title-lh));
+  --hub-title-gap: calc(var(--hub-title-h) * 1.1);
 }
 * { box-sizing: border-box; }
 html, body { min-height: 100%; }
@@ -50,14 +54,15 @@ a:hover { color: #7dd3fc; }
 
 .topbar-brand {
   display: block;
-  margin: 0 auto 12px;
+  margin: 0 auto var(--hub-title-gap);
+  padding-top: var(--hub-title-gap);
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
-  font-size: 1.75rem;
+  font-size: var(--hub-title-size);
   font-weight: 700;
   letter-spacing: 0;
   text-indent: 0;
   color: #dbe4ff;
-  line-height: 1.25;
+  line-height: var(--hub-title-lh);
   text-align: center;
 }
 .topbar-brand:hover {
@@ -68,7 +73,7 @@ a:hover { color: #7dd3fc; }
   grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
   align-items: center;
   gap: 10px 12px;
-  margin: 0 0 12px;
+  margin: 0 0 var(--hub-title-gap);
 }
 .topbar-nav {
   grid-column: 2;
@@ -186,10 +191,7 @@ a:hover { color: #7dd3fc; }
   }
 }
 @media (max-width: 720px) {
-  .topbar-brand {
+  :root { --hub-title-size: 1rem; }
-    margin-bottom: 12px;
-    font-size: 1rem;
-  }
   .topbar-nav a {
     padding: 8px 12px;
     font-size: 0.78rem;
@@ -204,7 +206,7 @@ a:hover { color: #7dd3fc; }
   width: 100%;
   max-width: 1200px;
   margin: 0 auto;
-  padding: 14px clamp(6px, 1vw, 14px) 16px;
+  padding: 0 clamp(6px, 1vw, 14px) 16px;
 }
 /* 总览/实例与客户端一致: 铺满,带鱼屏锁 1800 */
 body.page-dashboard .main,
@@ -212,7 +214,7 @@ body.page-instances .main {
   max-width: none;
   width: 100%;
   margin: 0 auto;
-  padding: 14px clamp(6px, 1vw, 14px) 16px;
+  padding: 0 clamp(6px, 1vw, 14px) 16px;
 }
 @media (min-aspect-ratio: 21/9) {
   body.page-dashboard .main,
@@ -224,7 +226,7 @@ body.page-desk .main {
   max-width: none;
   width: 100%;
   margin: 0;
-  padding: 10px 12px 14px;
+  padding: 0 12px 14px;
 }
 body.page-login {
   min-height: 100vh;

templates/base.html

@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>{% block title %}加密货币｜OKX 期权中控{% endblock %}</title>
-  <link rel="stylesheet" href="{{ url_for('static', filename='hub.css') }}?v=27">
+  <link rel="stylesheet" href="{{ url_for('static', filename='hub.css') }}?v=29">
 </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') %}