@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:940px;/*height:100vh;text-align:center;*/}
.lt_bn li.active-img {display: none;
    -webkit-animation:mvimg 9s linear normal forwards; 
    -moz-animation:mvimg 9s linear normal forwards; 
    -o-animation:mvimg 9s linear normal forwards; 
    animation:mvimg 9s linear normal forwards;
}
@keyframes mvimg {
    0% {background-size:auto 130%;}
    /*96% {background-size:auto 100%;}*/
    100% {background-size:auto 100%;}
}
.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 {width:100%;height:100%; position:relative;z-index:2;display: none}
.lt_bn .txt_wr {background:rgba(0,81,81,0); padding:50px; position:absolute; width:fit-content; top:180px; left:50%; margin-left:-700px; text-shadow:0 0 10px rgba(0,0,0,0.2);}


.lt_bn li .bn_tit {font-size:24px; font-weight:400; color:#fff; word-break:keep-all; opacity:0; 
-webkit-transition: all 1s ease-in .5s;
-moz-transition:  all 1s ease-in .5s ;
-ms-transition:  all 1s ease-in .5s;
-o-transition: all 1s ease-in .5s;
transition: all 1s ease-in .5s}

.lt_bn li .bn_detail b,
.lt_bn li .bn_tit span {display:inline-block; padding:5px 10px; border-radius:5px; font-weight:500; font-size:19px; line-height:19px; background:#0d3a32; color:#fff; text-shadow:none;}
.lt_bn li .bn_detail span {font-weight:500;font-size:19px; line-height:19px;}
.lt_bn li .bn_tit b {font-weight:600;}
.lt_bn li .bn_tit br {display:none;}

.lt_bn li .bn_detail {font-size:52px; line-height:120%; margin-bottom:20px; word-break:keep-all; font-weight:bold;  color:#fff;  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_info {font-size:22px; font-weight:300; line-height:34px; color:#fff; word-break:keep-all; opacity:0;
-webkit-transition: all 0.5s ease-in .7s;
-moz-transition:  all 0.5s ease-in .7s;
-ms-transition: all 0.5s ease-in .7s;
-o-transition: all 0.5s ease-in .7s;
transition: all 0.5s ease-in .7s}

.lt_bn li .bn_info b {font-size:24px; font-weight:600; display:block;} 


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


.lt_bn #bx_pager {position:absolute; bottom:20px;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 {color:#fff;display:inline-block;line-height:20px;opacity:1; font-size:0px; cursor:auto}
.lt_bn #bx_pager .pager_wrap  span {display:inline-block; width:12px;height:12px; border:1px solid #fff; border-radius:50%; margin:0 2px;}
.lt_bn #bx_pager .pager_wrap .active {opacity:1}
.lt_bn #bx_pager .pager_wrap .active span {background:#fff;}


 @media (max-width: 969px){
	.lt_bn .bx-wrapper, .lt_bn li {height:540px;}
	
	.lt_bn .txt_wr {padding-top:180px;}
	.lt_bn li .bn_tit {font-size:22px;}
    .lt_bn li .bn_detail {font-size:62px; margin:10px 0 15px;}
    .lt_bn li .bn_info {font-size:19px; line-height:28px; max-width:90%; margin:0 auto;}
	.lt_bn li .bn_info b {font-size:21px;}
	
    .lt_bn #bx_pager {bottom:30px;}
 }

  @media (max-width: 639px){
	.lt_bn .bx-wrapper, .lt_bn li {height:350px;}
	
	.lt_bn .txt_wr {padding-top:120px;}
	.lt_bn .bn_txt {padding:0 10px;}
	.lt_bn li .bn_tit {font-size:16px;}
    .lt_bn li .bn_detail {font-size:36px; letter-spacing:-0.03em; margin:5px 0 10px;}
    .lt_bn li .bn_info {font-size:13px; line-height:20px; max-width:320px;}
	.lt_bn li .bn_info b {font-size:15px;}
	
    .lt_bn #bx_pager .pager_wrap  span {width:10px; height:10px; margin:0 1px;}
	.lt_bn #bx_pager {bottom:10px;}
 }