Show strategy rules in fold; larger nav; notify only when cannot open.

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

frontend/src/pages/Plan.tsx

@@ -149,6 +149,13 @@ export default function PlanPage() {
       ? `权利金×${fmt(plan?.premium_exit_multiple ?? 1, 2)}`
       : `固定 ${fmt(plan?.net_profit_target ?? 15)} U`;
   const phaseLabel = PHASE_ZH[plan?.phase || ""] || plan?.phase || "—";
+  const atmRule = plan?.atm_open_offset_enabled
+    ? `ATM偏差≤${fmt(plan?.max_atm_open_offset ?? 3, 0)}`
+    : "ATM偏差关";
+  const exitDetail =
+    exitMode === "premium_multiple"
+      ? `净盈利≥初始权利金×${fmt(plan?.premium_exit_multiple ?? 1, 2)}`
+      : `净盈利≥${fmt(plan?.net_profit_target ?? 15)} U`;
   const expiryMs =
     pos?.expiry_ms ?? expiryMsFromYmd(pos?.expiry_ymd) ?? null;
   const countdown =
@@ -213,10 +220,28 @@ export default function PlanPage() {
       <div className="plan-rules-fold">
         <details>
           <summary>规则说明</summary>
-          <p className="meta plan-rules-body">
-            行情 {String(plan?.exchange || "okx").toUpperCase()} · ETH-USDT-SWAP ·
-            目标平仓(双腿/远虚只平永续) · 未达标则到期结算
-          </p>
+          <div className="plan-rules-body">
+            <p>
+              <span className="plan-rules-k">行情</span>
+              {String(plan?.exchange || "okx").toUpperCase()} · ETH-USDT-SWAP
+            </p>
+            <p>
+              <span className="plan-rules-k">开仓</span>
+              永续 {fmt(plan?.perp_qty_eth ?? 1, 2)} ETH / {fmt(plan?.leverage, 0)}x
+              · 期权 {fmt(plan?.option_qty_eth ?? 2, 2)} ETH 名义 · 剩余≥
+              {fmt(plan?.min_option_hours, 0)}h · 期权杠杆≥
+              {fmt(plan?.min_option_leverage, 0)}x · {atmRule}
+              {plan?.skip_weekends ? " · 周末跳过开仓" : ""}
+            </p>
+            <p>
+              <span className="plan-rules-k">平仓</span>
+              {exitDetail} → 双腿全平；期权远虚则只平永续、期权到期结算；未达标拖到期
+            </p>
+            <p>
+              <span className="plan-rules-k">节奏</span>
+              组间休息 {plan?.rest_seconds ?? "—"}s · 可开判定看交易账户
+            </p>
+          </div>
         </details>
       </div>