@charset "utf-8";

.lt_bn {position:relative;overflow:hidden;margin: 0 100px}
.lt_bn .bx-wrapper{height:auto;}
.lt_bn li{background-position:center center !important;background-size:cover;background-repeat:no-repeat; height:730px;/*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; position:relative;z-index:2;text-shadow: 1px 1px 10px #000}
.lt_bn .txt_wr {padding-top:250px;text-align: end;}



.lt_bn li .bn_tit {font-size:25px; font-weight:500; 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 .active-slide .bn_tit {opacity:1;font-weight: 300}

.lt_bn li .bn_detail{font-size:53px; font-weight:700; margin:20px 0 15px; opacity:0;text-shadow: 2px 2px 18px rgb(0 0 0 / 80%);
-webkit-transition: all 0.3s ease-in .5s;
-moz-transition:  all 0.3s ease-in .5s;
-ms-transition: all 0.3s ease-in .5s;
-o-transition: all 0.3s ease-in .5s;
transition: all 0.3s ease-in .5s}

.lt_bn li .active-slide .bn_detail {opacity:1}

.lt_bn li .bn_releas {font-size:35px; line-height:34px; font-weight:500; word-break:keep-all; opacity:0;
    text-shadow: 2px 2px 18px rgb(0 0 0 / 80%);
-webkit-transition: all 0.3s ease-in .7s;
-moz-transition:  all 0.3s ease-in .7s;
-ms-transition: all 0.3s ease-in .7s;
-o-transition: all 0.3s ease-in .7s;
transition: all 0.3s ease-in .7s}

.lt_bn li .active-slide .bn_releas {opacity:1}

.lt_bn #bx_pager {display:none; position:absolute; bottom:200px;z-index:99; width:100%;}
.lt_bn #bx_pager .pager_wrap {width:100%; max-width:1200px; margin:0 auto;}
.lt_bn #bx_pager .pager_wrap a {color:#fff;display:inline-block;padding:5px;line-height:20px;opacity:0.5; font-size:16px;}
.lt_bn #bx_pager .pager_wrap  span{display:inline-block;width:0;height:1px;background:#fff;vertical-align:top;margin-top:10px;margin-left:8px;
-webkit-transition: all 0.3s ease-in;
-moz-transition:  all 0.3s ease-in ;
-ms-transition: all 0.3s ease-in ;
-o-transition: all 0.3s ease-in ;
transition: all 0.3s ease-in }
.lt_bn #bx_pager .pager_wrap .active{opacity:1}
.lt_bn #bx_pager .pager_wrap .active span{width:20px}


 @media (max-width: 1399px){
	.lt_bn {margin: 0 !important}
     
 }

 @media (max-width: 1199px){
	.lt_bn li {padding: 0 20px;}
     
 }
 @media (max-width: 969px){
	.lt_bn .bx-wrapper, .lt_bn li{height:500px;}
	
	.lt_bn .txt_wr {padding-top:120px;}
	.lt_bn li .bn_tit {font-size:20px}
    .lt_bn li .bn_detail {font-size:40px; margin:10px 0;}
    .lt_bn li .bn_releas {font-size:20px; line-height:30px;}
	
    .lt_bn #bx_pager {bottom:80px; left:0;}
	.lt_bn #bx_pager .pager_wrap {padding:0 20px;}
 }

  @media (max-width: 639px){
	.lt_bn .bx-wrapper, .lt_bn li{height:400px;}
	
	.lt_bn .txt_wr {padding-top:100px;}
	.lt_bn li .bn_tit {font-size:15px;}
    .lt_bn li .bn_detail {font-size:30px; margin:15px 0;word-break: keep-all}
    .lt_bn li .bn_releas {font-size:18px; line-height:20px;}
	
    .lt_bn #bx_pager {bottom:60px; left:0;}
	.lt_bn #bx_pager .pager_wrap {padding:0 20px;}
	.lt_bn #bx_pager .pager_wrap a {font-size:14px;}
 }