@charset "utf-8";

#main_bnr_wrap{width:100%;height:100vh;max-height:130rem;min-height:80rem;background:#000;position:relative}
#main_bnr_wrap video{width:100%;height:100%;opacity:.8;object-fit:cover}
#main_bnr_wrap .txt_box{width:100%;padding:0 2rem;text-align:center;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10}
#main_bnr_wrap .txt_box .s_tit{margin-bottom:2rem;font-size:2rem;font-weight:700;line-height:100%;text-align:center;font-family:'Poppins'}
#main_bnr_wrap .txt_box .s_tit span{display:inline-block;padding:0 2rem 1.3rem;border-bottom:1px solid rgba(255,255,255,.6);color:#fff}
#main_bnr_wrap .txt_box .tit{font-size:6.5rem;font-weight:700;color:#fff;text-shadow:0 0 1rem rgba(0,0,0,.3)}

#main_bnr_wrap .scroll_down{height:8rem;text-align:center;position:absolute;bottom:0;left:calc(50% - 5rem);z-index:11}
#main_bnr_wrap .scroll_down .txt{font-size:1.5rem;font-weight:500;color:#fff;font-family:'Poppins';}
#main_bnr_wrap .scroll_down .line{width:1px;height:5rem;position:absolute;bottom:0;left:50%;background:rgba(255,255,255,.2)}
#main_bnr_wrap .scroll_down .line .line_bar{width:1px;height:0;position:absolute;top:0;left:0;background:#fff;animation:scrolldown 2s linear infinite}
@keyframes scrolldown{from{height:0}50%{height:50%}90%{opacity:1}100%{height:100%;opacity:0}}


@media(max-width:1280px){
#main_bnr_wrap{max-height: 117rem;min-height: 72rem}
#main_bnr_wrap .txt_box .tit{font-size:6.2rem}
}
@media(max-width:1024px){
#main_bnr_wrap .txt_box .tit{font-size:5.9rem}
}
@media(max-width:767px){
#main_bnr_wrap{max-height:94rem;min-height:60rem}
#main_bnr_wrap .txt_box .tit{font-size:5.6rem}
}
@media(max-width:480px){
#main_bnr_wrap{max-height:82rem;min-height:55rem}
#main_bnr_wrap .txt_box .tit{font-size:5.3rem}
}
@media(max-width:320px){
#main_bnr_wrap .txt_box .tit{font-size:5rem}
}