feat: 场地无项目时显示提示并隐藏选手列表

- 添加"当前场地暂无比赛项目"提示
- 当没有项目时隐藏选手列表
- 添加no-project-tip样式

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

pages/score-list/score-list.vue

@@ -39,6 +39,7 @@
         >
           {{ project.projectName }}
         </view>
+        <view class="no-project-tip" v-if="projects.length === 0">当前场地暂无比赛项目</view>
       </view>
     </view>
 
@@ -49,7 +50,7 @@
     </view>
 
     <!-- 选手列表 -->
-    <view class="player-list">
+    <view class="player-list" v-if="projects.length > 0">
       <!-- 遍历选手列表 -->
       <view
         class="player-card"
@@ -685,4 +686,12 @@ export default {
   color: #666666;
   line-height: 1.5;
 }
+
+.no-project-tip {
+  padding: 30rpx;
+  text-align: center;
+  color: #999;
+  font-size: 28rpx;
+  width: 100%;
+}
 </style>

src/pages/score-list/score-list.vue

@@ -37,6 +37,7 @@
           </view>
         </view>
       </scroll-view>
+      <view class="no-project-tip" v-if="projects.length === 0">当前场地暂无比赛项目</view>
     </view>
 
     <!-- 评分统计 -->
@@ -46,7 +47,7 @@
     </view>
 
     <!-- 选手列表 -->
-    <view class="player-list">
+    <view class="player-list" v-if="projects.length > 0">
       <!-- 选手卡片 -->
       <view
         class="player-card"
@@ -662,4 +663,12 @@ export default {
   font-size: 28rpx;
   color: #999999;
 }
+
+.no-project-tip {
+  padding: 30rpx;
+  text-align: center;
+  color: #999;
+  font-size: 28rpx;
+  width: 100%;
+}
 </style>