@charset "utf-8";

.lt_bn {position:relative;overflow:hidden}
.lt_bn .bx-wrapper{height:auto;}
.lt_bn li {background-position:center center !important;background-size:cover;background-repeat:no-repeat; height:680px;/*height:100vh;text-align:center;*/color:#fff}
.lt_bn .bg{;position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0);content:'';z-index:1;overflow:hidden}

.lt_bn .bn_txt {display:table;height:100%;width:100%;max-width:1400px; margin:0 auto; padding:0 20px; text-align:center; position:relative;z-index:2;}
.lt_bn .txt_wr {padding-top:195px;}


.lt_bn li .bn_tit {font-size:65px; font-weight:600; word-break:keep-all; opacity:0;
-webkit-transition: all 1s ease-in .3s;
-moz-transition:  all 1s ease-in .3s ;
-ms-transition:  all 1s ease-in .3s;
-o-transition: all 1s ease-in .3s;
transition: all 1s ease-in .3s}
.lt_bn li .bn_tit span {color:#b5d9eb;}

.lt_bn li .active-slide .bn_tit {opacity:1;}

.lt_bn li .bn_detail {font-size:24px; word-break:keep-all; font-weight:300; margin-top:40px; opacity:0;
-webkit-transition: all 0.5s ease-in .5s;
-moz-transition:  all 0.5s ease-in .5s;
-ms-transition: all 0.5s ease-in .5s;
-o-transition: all 0.5s ease-in .5s;
transition: all 0.5s ease-in .5s}

.lt_bn li .active-slide .bn_detail {opacity:0.6}


.lt_bn #bx_pager {position:absolute; bottom:60px;z-index:99; width:100%; text-align:center;}
.lt_bn #bx_pager .pager_wrap {width:100%; max-width:1400px; margin:0 auto;}
.lt_bn #bx_pager .pager_wrap a {display:inline-block; width:12px; height:12px; border:1px solid #fff; border-radius:50%; margin:0 1px; font-size:0px;}
.lt_bn #bx_pager .pager_wrap .active {background:#fff;}


 @media (max-width: 1199px){
	 .lt_bn .bx-wrapper, .lt_bn li{height:580px;}
	 .lt_bn .txt_wr {padding-top:180px;}
	 .lt_bn li .bn_tit {font-size:60px;}
	 .lt_bn li .bn_detail {font-size:22px;}
	
 }
 

 @media (max-width: 969px){
	 .lt_bn .bx-wrapper, .lt_bn li{height:500px;}
	 .lt_bn .txt_wr {padding-top:150px;}
	 .lt_bn li .bn_tit {font-size:50px;}
	 .lt_bn li .bn_detail {font-size:20px;}
	 .lt_bn #bx_pager {bottom:40px;}
 }

  @media (max-width: 639px){
	 .lt_bn .bx-wrapper, .lt_bn li{height:260px;}
	 .lt_bn .txt_wr {padding-top:75px;}
	 .lt_bn li .bn_tit {font-size:25px; letter-spacing:-0.02em;}
	 .lt_bn li .bn_detail {font-size:14px; margin:20px auto 0; max-width:280px;}
	 .lt_bn #bx_pager {bottom:20px;}
	 .lt_bn #bx_pager .pager_wrap a {width:10px; height:10px;}
 }