feat: 统计栏隐藏未支付订单+添加即将到期

- 移除未支付订单统计项
- 新增即将到期统计项(到期≤10天的产品数)
- 添加expiringCount computed属性
- 新增stat-red颜色方案

clientarea/home/hgcloud_home/home.php

@@ -35,10 +35,10 @@
                   <div class="stat-value">{{account.host_num}}</div>
                   <div class="stat-label">{{lang.index_text7}}</div>
                 </div>
-                <div class="stat-item stat-amber" @click="goOrderList('Unpaid')">
-                  <i class="ph ph-receipt"></i>
-                  <div class="stat-value">{{account.unpaid_order}}</div>
-                  <div class="stat-label">{{lang.index_text8}}</div>
+                <div class="stat-item stat-red" @click="goProductList()">
+                  <i class="ph ph-clock-countdown"></i>
+                  <div class="stat-value">{{expiringCount}}</div>
+                  <div class="stat-label">即将到期</div>
                 </div>
               </div>
             </div>