调整实盘/关键位表单布局：开仓按钮跟盈亏比、添加按钮同行；成交价说明移入开仓规则；去掉多周期K线勾选。

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

lib/strategy/templates/key_monitor_panel.html

@@ -141,7 +141,7 @@
         <a href="/key_focus" class="btn-del" style="text-decoration:none;background:#1f3a5a;color:#8fc8ff">输入币种查看K线</a>
         {% endif %}
     </div>
-    <form id="key-form" action="/add_key" method="post" class="form-row">
+    <form id="key-form" action="/add_key" method="post" class="form-row key-form-inline">
         {% from 'trade_policy_fields.html' import trade_policy_symbol, trade_policy_direction with context %}
         {{ trade_policy_symbol('symbol', 'key-symbol') }}
         <select name="type" id="key-type-select" required>
@@ -167,6 +167,7 @@
         <input name="trigger_tp" id="key-trigger-tp" step="0.0001" placeholder="止盈价" style="display:none">
         <input name="upper" id="key-upper" step="0.0001" placeholder="上沿/阻力" required>
         <input name="lower" id="key-lower" step="0.0001" placeholder="下沿/支撑" required>
+        <button type="submit" class="key-form-add-btn">添加</button>
         <select name="sl_tp_mode" id="key-sl-tp-mode" title="止盈止损方案">
             <option value="standard">标准突破</option>
             <option value="box_1p5">箱体1R·止盈1.5H</option>
@@ -186,7 +187,6 @@
                 <option value="4" selected>4h</option>
             </select>
         </span>
-        <button type="submit">添加</button>
     </form>
     <details class="tip-collapse key-rule-collapse">
         <summary class="tip-collapse-summary">关键位监控规则说明</summary>