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/match-detail/MarketSelectionsPanel.vue

@@ -6,60 +6,69 @@ defineProps<{
     odds: string;
   }[];
   isSelected: (id: string) => boolean;
+  compact?: boolean;
 }>();
 
 const emit = defineEmits<{ pick: [id: string] }>();
 </script>
 
 <template>
-  <div class="panel">
-    <button
-      v-for="sel in selections"
-      :key="sel.id"
-      type="button"
-      class="odds-btn"
-      :class="{ selected: isSelected(sel.id) }"
-      @click="emit('pick', sel.id)"
-    >
-      <span class="label">{{ sel.selectionName }}</span>
-      <span class="odds">{{ sel.odds }}</span>
-    </button>
+  <div class="wrap" :class="{ compact }">
+    <div class="panel">
+      <button
+        v-for="sel in selections"
+        :key="sel.id"
+        type="button"
+        class="odds-btn"
+        :class="{ selected: isSelected(sel.id) }"
+        @click="emit('pick', sel.id)"
+      >
+        <span class="label">{{ sel.selectionName }}</span>
+        <span class="odds">{{ sel.odds }}</span>
+      </button>
+    </div>
   </div>
 </template>
 
 <style scoped>
+.wrap {
+  padding: 6px 8px 8px;
+  background: #0c0c0c;
+}
+
 .panel {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 8px;
-  padding: 0 10px 12px;
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 4px;
 }
 
 .odds-btn {
-  min-width: calc(33.33% - 6px);
-  flex: 1 1 calc(33.33% - 6px);
-  max-width: calc(50% - 4px);
-  padding: 10px 8px;
-  border-radius: 6px;
-  background: #0d0d0d;
-  border: 1px solid #333;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 2px;
+  min-height: 44px;
+  padding: 6px 4px;
+  border-radius: 4px;
+  background: #141414;
+  border: 1px solid #262626;
   text-align: center;
 }
 
 .odds-btn.selected {
   border-color: var(--primary);
-  background: rgba(212, 175, 55, 0.12);
+  background: rgba(212, 175, 55, 0.1);
 }
 
 .label {
-  display: block;
-  font-size: 11px;
+  font-size: 9px;
   color: var(--text-muted);
-  margin-bottom: 4px;
+  line-height: 1.15;
 }
 
 .odds {
-  font-size: 15px;
+  font-size: 14px;
   font-weight: 800;
   color: var(--primary-light);
 }