feat: 优化内容展示区域，移除加载更多按钮

frontend/portal/src/views/tenant/HomeView.vue

@@ -60,12 +60,6 @@
                   </div>
                </div>
             </div>
-                                 <div class="text-center mt-10" v-if="hasMore">
-                                    <button @click="loadMore" :disabled="loading" class="h-11 px-8 bg-slate-100 text-slate-600 rounded-full font-bold hover:bg-slate-200 transition-colors disabled:cursor-wait disabled:opacity-70">
-                                       <span v-if="loading">加载中...</span>
-                                       <span v-else>加载更多</span>
-                                    </button>
-                                 </div>
          </div>
       </div>
       <!-- Sticky Nav -->