去掉标头折叠功能，只保留静态表头

振幅锁仓策略/fg2610.html

@@ -37,10 +37,7 @@
   .toggle-btn:hover { opacity: 0.8; }
 
   .section { margin-bottom: 8px; }
-  .section h2 { font-size: 1.1rem; cursor: pointer; user-select: none; display: flex; align-items: center; gap: 8px; margin: 28px 0 10px; padding: 4px 0; }
-  .section h2 .arrow { display: inline-block; transition: transform .2s; font-size: 0.8rem; }
-  .section.collapsed h2 .arrow { transform: rotate(-90deg); }
-  .section.collapsed table { display: none; }
+  .section h2 { font-size: 1.1rem; display: flex; align-items: center; gap: 8px; margin: 28px 0 10px; padding: 4px 0; }
 
   .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 99; display: none; }
   .drawer-overlay.show { display: block; }
@@ -68,7 +65,7 @@
 <p class="formula">振幅算法：近 5 日均振幅 = 过去 5 个交易日 (最高 − 最低) 的均值，结果四舍五入取整</p>
 
 <div class="section" id="sec-fg2610">
-  <h2 onclick="toggleSection('sec-fg2610')"><span class="arrow">▼</span> FG2610 玻璃</h2>
+  <h2>FG2610 玻璃</h2>
 <table>
     <tr><th>日期</th><th>星期</th><th>开盘</th><th>收盘</th><th>最高</th><th>最低</th><th>最高最低差价</th><th>振幅</th></tr>
     <tr><td>2026/7/1</td><td>周三</td><td>1015</td><td>1007</td><td>1015</td><td>1000</td><td>15</td><td class="na">-</td></tr>
@@ -125,9 +122,6 @@ function toggleTheme() {
   } catch(e) {}
 })();
 
-function toggleSection(id) {
-  document.getElementById(id).classList.toggle('collapsed');
-}
 
 var activeRow = null;
 function closeDrawer() {