@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:600px; 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:92%; max-width:1400px; margin:0 auto; padding-top:150px; text-align:left; position:relative;z-index:2;}
.lt_bn .txt_wr {width:100%;}

.lt_bn li .bn_tit {font-size:50px; font-weight:700; word-break:keep-all; opacity:0; 
-webkit-transition:all 0.5s ease-in .3s;
-moz-transition:all 0.5s ease-in .3s ;
-ms-transition:all 0.5s ease-in .3s;
-o-transition:all 0.5s ease-in .3s;
transition:all 0.5s ease-in .3s}

.lt_bn li .active-slide .bn_tit {opacity:1; margin-left:0;}

.lt_bn li .bn_stit {font-size:38px; line-height:54px; font-weight:400; margin:30px 0 45px; word-break:keep-all; opacity:0; 
-webkit-transition:all 0.5s ease-in .3s;
-moz-transition:all 0.5s ease-in .3s ;
-ms-transition:all 0.5s ease-in .3s;
-o-transition:all 0.5s ease-in .3s;
transition:all 0.5s ease-in .3s}

.lt_bn li .active-slide .bn_stit {opacity:1; margin-left:0;}

.lt_bn li .bn_detail {font-size:22px; font-weight:300; word-break:keep-all; opacity:0;
-webkit-transition: all 0.5s ease-in .3s;
-moz-transition:  all 0.5s ease-in .3s;
-ms-transition: all 0.5s ease-in .3s;
-o-transition: all 0.5s ease-in .3s;
transition: all 0.5s ease-in .3s}

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

.lt_bn #bx_pager {position:absolute; bottom:30px;z-index:9; width:100%;}
.lt_bn #bx_pager .pager_wrap {width:100%; max-width:1400px; margin:0 auto; display:flex; justify-content:center; align-items:center;}
.lt_bn #bx_pager .pager_wrap a {color:#fff;display:inline-block; margin:0 5px; font-size:0; width:8px; height:8px; border-radius:30px; opacity:0.4; background:#fff; transition:all 0.2s; -webkit-transition:all 0.2s; -moz-transition:all 0.2s; -o-transition:all 0.2s;}
.lt_bn #bx_pager .pager_wrap .active{width:12px; height:12px; opacity:1;}


 @media (max-width: 1199px){
 }
 @media (max-width: 969px){
	.lt_bn li {height:460px; background-position:60% center !important;}	
	.lt_bn .bn_txt {display:block; padding-top:100px;}
	.lt_bn li .bn_tit {font-size:42px;}
	.lt_bn li .bn_stit {font-size:32px; line-height:46px; margin:25px 0 35px;}
	.lt_bn li .bn_detail {font-size:19px; line-height:28px;}
 }

  @media (max-width: 639px){
	.lt_bn li {height:340px;}	
	.lt_bn .bn_txt {padding-top:80px;}
	.lt_bn li .bn_tit {font-size:28px;}
	.lt_bn li .bn_stit {font-size:21px; line-height:30px; margin:14px 0 22px;}
	.lt_bn li .bn_detail {font-size:15px; line-height:22px;}
	.lt_bn #bx_pager {bottom:20px;}
	.lt_bn #bx_pager .pager_wrap a {margin:0 4px;}
	.lt_bn #bx_pager .pager_wrap .active{width:10px; height:10px;}
 }

  @media (max-width: 399px){
	.lt_bn li {height:300px;}	
	.lt_bn .bn_txt {padding-top:60px;}
	.lt_bn li .bn_tit {font-size:24px;}
	.lt_bn li .bn_stit {font-size:19px; line-height:26px; margin:14px 0 20px;}
	.lt_bn li .bn_detail {max-width:290px; font-size:14px; line-height:20px;}
	.lt_bn #bx_pager {bottom:17px;}
 }