@charset "utf-8";
.lt_bn {position:relative;width:101%}
.lt_bn .bx-wrapper{height:950px}
.lt_bn li{background-position:50% 50%;background-size:cover;background-repeat:no-repeat;height:950px;text-align:center;color:#fff}
.lt_bn .bg{;position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.3);content:'';z-index:1;overflow:hidden}

.lt_bn .bn_txt{display:table;height:100%;width:100%;position:relative;z-index:2;padding-top:80px}
.lt_bn .txt_wr{display:table-cell;vertical-align:middle;padding:0 5%}

.lt_bn li .bn_tit{font-size:2.5em;font-weight:bold; line-height:1.53em;
-webkit-text-shadow:2px 2px 5px rgba(55,55,55,0.4);
-moz-text-shadow:2px 2px 5px rgba(55,55,55,0.4);
text-shadow: 2px 2px 5px rgba(55,55,55,0.4);}
.lt_bn li .bn_detail{font-size:1.231em;margin:10px 0 20px;
-webkit-text-shadow:2px 2px 5px rgba(55,55,55,0.4);
-moz-text-shadow:2px 2px 5px rgba(55,55,55,0.4);
text-shadow: 2px 2px 5px rgba(55,55,55,0.4);}
.lt_bn li .bn_view {display:inline-block;background:#000;opacity:0.6;color:#fff;padding:0 35px;line-height:45px;border-radius:30px;margin-top:20px;max-width:100px;margin:0 auto}
.lt_bn li .bn_view:hover{background:#333;opacity:1}

.lt_bn .bx-controls-direction{position:absolute;top:50%;z-index:9;display:inline-block;border:0px solid #fff;width:100%}
.lt_bn .bx-controls-direction a{display:block;width:40px;height:40px;text-indent:-999px;overflow:hidden;position:relative}
.lt_bn .bx-controls-direction .bx-prev{height:50px;left:10px;float:left;background:url("/img/left_arrow2.png");}
.lt_bn .bx-controls-direction .bx-next{height:50px;right:40px;float:Right;background:url("/img/right_arrow2.png");}
.lt_bn .bx-controls-direction .bx-prev:hover{height:50px;left:10px;float:left;background:url("/img/left_arrow.png");}
.lt_bn .bx-controls-direction .bx-next:hover{height:50px;right:40px;float:Right;background:url("/img/right_arrow.png");}

.lt_bn .bx-prev:before { 
}
}
 .lt_bn .bx-next:before { position: absolute;  top:50%;left:50%;margin-left:-5px;margin-top:-3px;  content:'';
 width: 0; height: 0;background:#;
}
.lt_bn .bn_link{display:none;position:absolute;bottom:10px;right:10px;z-index:99;background:#ff0000;color:#fff;width:40px;line-height:40px;border-radius:30px;text-align:center;font-size:16px}
.lt_bn:hover .bn_link{display:block}
.lt_bn .bn_link:hover {transform: rotate( -45deg );color:#fff;}

 @media (max-width: 969px){
    .lt_bn .bx-wrapper ,.lt_bn li{height:500px}
    .lt_bn .bx-controls-direction a{width:30px;height:30px }
    .lt_bn .txt_wr{padding:0 40px}
    .lt_bn li .bn_tit{font-size:2em;}
.lt_bn .bx-controls-direction{position:absolute;top:50%;z-index:9;display:inline-block;border:0px solid #fff;width:90%}
.lt_bn .bx-controls-direction a{display:block;width:40px;height:40px;text-indent:-999px;overflow:hidden;position:relative}
.lt_bn .bx-controls-direction .bx-prev{height:50px;left:10px;float:left;background:url("/img/left_arrow2.png");}
.lt_bn .bx-controls-direction .bx-next{height:50px;right:40px;float:Right;background:url("/img/right_arrow2.png");}
.lt_bn .bx-controls-direction .bx-prev:hover{height:50px;left:10px;float:left;background:url("/img/left_arrow.png");}
.lt_bn .bx-controls-direction .bx-next:hover{height:50px;right:40px;float:Right;background:url("/img/right_arrow.png");}
 }