Fix desktop blur from false tablet layout.

Stop classifying short desktop viewports as tablets so densify fonts do not apply.

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

manual_trading_hub/static/app.js

@@ -77,13 +77,19 @@
     return window.matchMedia("(max-width: 720px)").matches;
   }
 
-  /** 平板 CSS 视口(如 2560×1600 @2x ≈ 1280×800),或高度偏矮的大屏 */
+  /**
+   * 平板 CSS 视口(如 2560×1600@2x≈1280×800, 竖屏≈800×1280)。
+   * 禁止「仅按高度」判断:1080p 电脑开任务栏/浏览器栏时 innerHeight 常 ≤920,
+   * 会误加 hub-tablet,字号被压到 ~10px,看起来发糊。
+   */
   function isTabletLayout() {
     if (isMobileLayout()) return false;
     const w = window.innerWidth || 0;
     const h = window.innerHeight || 0;
-    if (w >= 721 && w <= 1599) return true;
-    if (w >= 721 && h > 0 && h <= 920) return true;
+    // 横屏平板:中等宽度 + 偏矮
+    if (w >= 721 && w <= 1366 && h > 0 && h <= 900) return true;
+    // 竖屏平板:偏窄 + 偏高
+    if (w >= 721 && w <= 920 && h >= 900) return true;
     return false;
   }
 

manual_trading_hub/static/index.html

@@ -1327,6 +1327,6 @@
   <script src="/assets/options_expiry_countdown.js?v=1"></script>
   <script src="/assets/options_position_cards.js?v=1"></script>
   <script src="/assets/backup.js?v=1"></script>
-  <script src="/assets/app.js?v=20260716-hub-fit-tablet"></script>
+  <script src="/assets/app.js?v=20260716-hub-desktop-clear"></script>
 </body>
 </html>