@media screen and (max-width: 900px) {
    .k-ser1_9left{width: 100%;}
    .fr{ position: absolute; 
        top:150px;
        right: 50px;
        width: 30px;
        height: 30px;
     background: #9d9d9d url(../../img/service/xz-pic-ico2.png) top center no-repeat;
     padding-top:30px; 
    
    }
    .title-6-2{
        display: none;
      
    }
.title-6{
        display: none;
      
    }
    .fr:hover .title-6-2{
            display: block;
            position: relative;
            right: 300px;
    }
  .fr:hover .title-6{
            display: block;
            position: relative;
            right: 300px;
    }
}