@media (max-width: 1000px){
  header{
    background: #152854;
    height: 70px;
  }
  
  header .header-middle ul{
    margin: 1.4vw 3vw;
  }
  
  header .header-middle li > a{
    padding: 0;
    font-size: 14px;
  }
  
  header .header-middle li > a:hover{
    border: none;
    text-decoration: underline;
      
  }
  
  .content{
    width: 100%;
  }
  
  .content-left,
  .content-right{
    width: calc(100% - 20px);
    padding: 0 10px;
  }
  
  .content-right{
    float: left;
  }
  
  .box-items{
    background: linear-gradient(#0e4073, #9f1b4d);
  }
}