#main_vis{width: 100%; height: 100vh; min-height: 650px;  max-height: 100vh;background: url('../img/main1.jpg') 50% / cover no-repeat; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; text-align: center;}
.main_inner{width: 100%; max-width: 1400px; padding: 0 20px;  }
/* font-style */
.main_inner .fs_51{font-family: 'KotraBold'; font-size: 35px; line-height: 1.5; color: #fff;}
.main_inner .fs_51 span{font-size: 25px;}
.main_inner .fs_40{font-size: 17px; font-weight: 700; color: #fff; line-height: 1;}
.main_inner .fs_18{font-size: 14px; font-weight: 300; color: rgba(255,255,255,.9); line-height: 30px;}

.main_inner .tit{ text-align: center; display: inline-block; position: relative; top: -25px;}
.main_inner .tit::before{content: ''; display: block; width: 30px; height: 29px; background: url('../img/squ_icon.png') 50% / cover no-repeat; position: absolute; top: -10px; left: 129px;}
.main_inner .tit h2 {position: relative; z-index: 1; letter-spacing: 1.2px;}
.main_inner .tit h2 + h2{position: absolute; width: 100%; color: rgba(255,255,255,.1); top: 7px; left: 8px; -webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none; z-index: 0;}

.main_list{display: flex; flex-wrap: wrap; position: absolute; bottom: 0; left: 0; width: 100%;}
.main_list > li{width: 50%; display: flex; cursor: pointer;}
.main_list > li{padding: 20px; background-color: rgba(0,0,0,.5); transition: .3s; display: flex; flex-direction: column;}
/* .main_list > li::before{content: '';display: block; width: 100%; height: 100%; background-color: rgba(27, 219, 225,.2); opacity: 0; position: absolute; top: 0; left: 0;}
.main_list > li:hover::before{opacity: 1;} */
.main_list > li:hover{background-color: rgba(27, 219, 225,.2);}
.main_list > li h3{margin-bottom: 10px;}
.main_list > li span{font-family: 'Roboto'; font-size: 13px; font-weight: 400; line-height: 1; color: #fff; display: inline-block;margin-right: 7px; text-transform:uppercase;}
.main_list > li i{display: inline-block; width: 6px; height: 10px; background: url('../img/main_arrow.png') 50% / cover no-repeat; }
.main_list > li:nth-child(odd){ border-right: solid 1px rgba(255,255,255,.3);}
.main_list > li:nth-child(-n+2){ border-bottom: solid 1px rgba(255,255,255,.3);}

.dot_list{margin-top: 40px; align-self: flex-end; min-width: 83px; display: none;}
.dot_list li{position: relative; padding-left: 16px; margin-bottom: 10px;}
.dot_list li::before{content: ''; display: block; width: 5px; height: 5px; background-color: rgba(255,255,255,.9); position: absolute; top: 12px; left: 0; border-radius: 50%; }
.dot_list li:last-child{margin-bottom: 0;}
@media screen and (max-width: 480px) {
    .main_inner .tit::before{left: calc(50% - 77px);}
}