      
                  <div>
                    <label for="user_name" class="block text-sm font-medium text-gray-700 mb-1">管理员账号</label>
                    <div class="relative">
                      <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400">
                      </div>
                      <input type="text" id="user_name" name="user_name" placeholder="设置管理员账号" 
                             class="w-full pl-4 pr-3 py-2 bo