body {
    color: #595961;
    font-size: 14px;
    min-width: 1200px;
    -webkit-font-smoothing: antialiased;
    margin:0 auto; 
    font-size: 14px;
    font-family: "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;


}
    * { margin:0; padding:0; box-sizing:border-box;}
    li{ list-style: none;}
    a{ text-decoration:none;}
    
.kl12{
display:block;
border-bottom: 2px solid #3091f2;
color: #3091f2;  
   width: 100%;   
  height: 56px;    
   z-index: -1;
   position: absolute;   
   top: 0;    

}