feat(player): 优化赛事详情与串关下注交互

- 合并玩法列表、单选投注单与玩法内确认下单
- 波胆底部确认与核对弹窗；串关底栏固定
- 帮助弹窗与投注单逻辑拆分（详情单关/串关页串关）

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

apps/player/src/components/parlay/ParlayPanel.vue

@@ -120,20 +120,18 @@ function pickSelection(match: ParlayMatch, market: Market, sel: Selection) {
 function openSlip() {
   slip.openDrawer();
 }
+
+const showParlayFoot = computed(() => slip.mode === 'parlay' && slip.count > 0);
 </script>
 
 <template>
-  <div class="parlay-panel">
+  <div class="parlay-panel" :class="{ 'has-fixed-foot': showParlayFoot }">
     <header class="panel-head">
       <div class="head-title">
         <span class="layers-icon" aria-hidden="true" />
         <h2>{{ t('bet.parlay_title') }}</h2>
       </div>
       <p class="head-desc">{{ t('bet.parlay_desc') }}</p>
-      <button type="button" class="slip-link btn-gold-outline" @click="openSlip">
-        {{ t('bet.bet_slip') }}
-        <span v-if="slip.count" class="slip-count">({{ slip.count }})</span>
-      </button>
     </header>
 
     <div class="toolbar">
@@ -184,6 +182,24 @@ function openSlip() {
       <span class="empty-icon" aria-hidden="true">📅</span>
       <p>{{ t('bet.parlay_empty') }}</p>
     </div>
+
+    <Teleport to="body">
+      <div v-if="showParlayFoot" class="parlay-foot-fixed">
+        <p v-if="slip.count < 2" class="foot-hint">{{ t('bet.parlay_need_more') }}</p>
+        <p v-else class="foot-meta">
+          {{ t('bet.bet_slip') }} ({{ slip.count }}) · {{ t('bet.parlay') }}
+          {{ slip.totalOdds.toFixed(2) }}
+        </p>
+        <button
+          type="button"
+          class="market-foot-btn"
+          :disabled="slip.count < 2"
+          @click="openSlip"
+        >
+          {{ t('bet.cs_confirm_cell') }}
+        </button>
+      </div>
+    </Teleport>
   </div>
 </template>
 
@@ -192,6 +208,10 @@ function openSlip() {
   padding: 0 12px 16px;
 }
 
+.parlay-panel.has-fixed-foot {
+  padding-bottom: 100px;
+}
+
 .panel-head {
   background: #141414;
   border: 1px solid #2a2a2a;
@@ -231,15 +251,45 @@ function openSlip() {
   margin-bottom: 10px;
 }
 
-.slip-link {
-  padding: 6px 12px;
-  border-radius: 6px;
-  font-size: 12px;
+.parlay-foot-fixed {
+  position: fixed;
+  left: 0;
+  right: 0;
+  bottom: calc(50px + env(safe-area-inset-bottom, 0px));
+  z-index: 95;
+  padding: 10px 12px 10px;
+  background: rgba(14, 14, 14, 0.98);
+  border-top: 1px solid var(--border-gold-soft);
+  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.45);
 }
 
-.slip-count {
-  margin-left: 4px;
+.foot-hint,
+.foot-meta {
+  margin: 0 0 8px;
+  font-size: 11px;
+  color: var(--text-muted);
+  text-align: center;
+}
+
+.foot-meta {
   color: var(--primary-light);
+  font-weight: 600;
+}
+
+.market-foot-btn {
+  display: block;
+  width: 100%;
+  padding: 9px;
+  border-radius: 4px;
+  border: 1px solid var(--border-gold-soft);
+  background: rgba(212, 175, 55, 0.1);
+  color: var(--primary-light);
+  font-size: 13px;
+  font-weight: 800;
+}
+
+.market-foot-btn:disabled {
+  opacity: 0.45;
 }
 
 .toolbar {