*{margin: 0;padding: 0;box-sizing: border-box;list-style: none;}
body{/*background:#000 url("../img/index.png") no-repeat fixed center;*/font-size: 16px;font-family: 'Microsoft yahei';color: #666;}
.w{max-width:1200px;margin:0 auto;}
/*.main_W{width: 1200px;margin: 0 auto;}*/
.fl{float: left;}
.fr{float: right;}
.clear:after{content: "";display: block;clear:both;}
a{text-decoration: none;color: #787878;}
a:hover{text-decoration: none;}
.img{width: 100%;}
.zhong{margin: 0 auto;}
.center{text-align: center}
.hei{color:#000;}
.bai{color:#fff;}
.cai{color: #2f74b5;}


.jz{
    text-align: center;
    /*font-size: 18px;*/
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
/*垂直居中*/
.cz_jz{
    /*display: display;*/
    display: table-cell;
    vertical-align: middle;
}