html,body {position: relative;height: 100%;}
.swiper-container {width: 100%;height: auto;}
.swiper-slide {text-align: center;font-size: 18px;background: #fff;}
.swiper-slide img{width:100%;}

.nav{width:100%;border-top:3px solid #615a5d;padding-bottom:20px;}
.nav .nav_position{width:10%;float:left;margin:0% 5%;}

.index_suc{width:98%;padding:1%;background:#615a5d;margin:0 auto;overflow:hidden;margin-bottom:1%;}
.index_suc img{float:left;}
.index_suc .img_left{width:80%;}
.index_suc .img_right{width:20%;}