/*****/.w380{width:48%;}
               .toubu{width:98%;padding:0 1%;}
               .logo{width:60%;}
               .toubu>.search{width:12%;    text-align: right;}
               .mr20 {
    margin-right: 2%;}
div#content {
   
    width: 100%;}
    .logo a img{}
ul.expmenu{width:100%;}
.ml10 {
    margin-left: 2%;}
               .container_left{width:26%;}
               .container_right{width:72%;}
       @media screen and (min-width:768px) and (max-width: 1440px){body{width:100%;min-width: 100%;}.w{width:100%;}}