Align header title and ETH/BTC quotes with crypto_okx.

Match fullwidth title separator, page spacing, and move live tickers into the nav right column using the same spot-ticker UI/API.

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

lib/instance/templates/embed_shell.html

@@ -7,8 +7,8 @@
     <script src="/static/autofill_guard.js?v=1"></script>
     <link rel="stylesheet" href="/static/instance_theme_early.css?v=4">
     <link rel="stylesheet" href="/static/account_risk_badge.css?v=4">
-    <link rel="stylesheet" href="/static/instance_page.css?v=13">
-    <link rel="stylesheet" href="/static/instance_theme.css?v=122">
+    <link rel="stylesheet" href="/static/instance_page.css?v=27">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=123">
     <script src="/static/account_risk_badge.js?v=4"></script>
     <script src="/static/open_submit_gate.js?v=1"></script>
     <meta name="theme-color" content="#0b0d14">
@@ -29,6 +29,7 @@
 <div class="container">
     {% include 'instance_brand_header.html' %}
     <nav class="top-nav embed-top-nav" aria-label="实例导航">
+        <div class="top-nav-links">
         {% if hedge_plan_nav_visible and display.show_nav_hedge_plan %}
         <a href="/hedge-plan" data-embed-tab="hedge_plan" class="{% if initial_tab == 'hedge_plan' %}active{% endif %}">{% if hedge_plan_show_options_options %}期期对冲{% else %}永期对冲{% endif %}</a>
         {% endif %}
@@ -45,6 +46,8 @@
         <a href="/env_config" data-embed-tab="env_config" class="{% if initial_tab == 'env_config' %}active{% endif %}">env配置</a>
         {% endif %}
         <a href="/settings" data-embed-tab="settings" class="{% if initial_tab == 'settings' %}active{% endif %}">系统设置</a>
+        </div>
+        {% include 'nav_spot_tickers.html' %}
     </nav>
     <div id="embed-flash" class="flash" style="display:none" role="status"></div>
 
@@ -138,6 +141,6 @@ window.__INSTANCE_DISPLAY__ = {{ display | tojson }};
 <script src="/static/instance_live.js?v=6"></script>
 <script src="/static/instance_embed.js?v=32"></script>
 <script src="/static/instance_mobile_nav.js?v=3"></script>
-<script src="/static/header_live_quotes.js?v=1"></script>
+<script src="/static/nav_spot_tickers.js?v=1"></script>
 </body>
 </html>