@media (min-width:640px) and (max-width:840px) {
    .innerHeader{display:block;width:100%;}
    .innerDiv_640{display:none}
/*介绍部分*/
    .intr{width:100%;}
    .intr .titleDiv{width:142px;height: 38px;margin:auto;background:url('../images/btnS.png') no-repeat -10px -38px;}
    .titleSmall{margin:auto;}
    .titleSmall span{display:block;text-align: center;line-height: 25px;}
    .intrCon{float:left;width:99%;padding:0 10px;}
    .intrCon div,intrCon p {width:100%}
    .intrCon .conDiv{width:100%;}

    .imgBox{clear:both;float:left;width:100%;height:296px; position: relative;}
    .imgImg_{display:none;width:80%;text-align: center}
    #imgBox0,#imgBox1,#imgBox2,#imgBox3{display:block;}

    .dimg{ text-align: center;margin:auto;width:auto; position: relative;}
    .mess_{position:absolute;right:0px;width:246px;padding:2px 0 0 0;}





}