.mb-wrapper{ background:#fff; min-height:600px; display:none; }
.mb-wrapper .banner{width:100%;margin-top: 10px;}
.mb-wrapper .btlogo{width: 287px;height:auto;margin: 56px auto 46px;display:block;}

.mb-footer{background: #001714;color:#fff;padding: 30px 0px 30px;text-align:center;display:none;}
.mb-footer p{padding:8px 0;font-size: 14px;line-height: 1.6em;}
.mb-footer .line{border-bottom: 1px solid #919191;}


.wrapper{background:#fff;min-height:500px;/* float: left; *//* clear: both; *//* width: 100%; *//* overflow: hidden; */}
.wrapper .banner{width:100%;margin-top:15px;margin: 0 auto;display: block;}
.main .btlogo{  margin:88px auto 66px auto; display:block;  }

.rectCon{font-size:0;padding: 5px;}
.rectCon .rect{ width:50%; display:inline-block; padding:8px; box-sizing:border-box; }

.rectCon ul{
    overflow: hidden;
}
.rectCon ul li{
    background: #f0f0f0;
    width: calc((100% - 20px)/2);
    float: left;
    text-align: center;
    margin: 5px;
}
.rectCon ul li a{display:block;}
.wrap .rectCon ul li img{width:auto;padding: 0;}
.rectCon ul li:nth-child(1),
.rectCon ul li:nth-last-child(1){
    background: #e7e7e7;
}
.index_video_body{
    clear: both;
    width: 100%;
}
.index_video_body a{display:block;}
.index_banner_types{
    padding: 0 !important;
}
.L_homr_buttom img {
    margin: 7% auto 8%;
}



@media screen and (max-width: 1200px) {
.main .btlogo{
    max-width: 160px;
}

}