.slider, .mcenter, .mbrand {
    width: 1200px;
    margin: 0 auto;
}
.mwidth{background-color:#f3f3f3;overflow:hidden;padding-bottom:30px;}
.mcenter{background-color:#f3f3f3;overflow:hidden;}
.func_inte,.dbrand{margin-top:30px;overflow:hidden;}
.top_margin{margin-top:20px!important;}
.func_inte ul li{float:left;width:290px;height:200px;}
.func_inte ul li a{width: 290px;height:200px;display: block;position:relative;overflow:hidden;z-index:0;}
.func_inte ul li a:before {content: '';position: absolute;left: -300px;top: 0;width: 300px;height: 200px;background: url(img/light_before.png) 50% 50%;z-index: 11;}
.func_inte ul li a:hover:before {-webkit-transition: -webkit-transform 1s;transition: -webkit-transform 1s;transition: transform 1s;transition: transform 1s, -webkit-transform 1s;-webkit-transform: translate(200%);transform: translate(200%);}
.im_w300{width:300px!important;}
.r_mrgin10{margin-right:10px;}