*{
    padding: 0;
    margin: 0;
}
ul,li{
    list-style: none;
}
a{
    text-decoration: none;
}


@keyframes gs{
    0% {
        box-shadow: 0 0 0 #98d6f5;
    }
    50% {
        box-shadow: 0 0 30px #98d6f5;
    }
    100% {
        box-shadow: 0 0 0 #98d6f5;
    }
}
.btn_gohall{
    width: 124px;
    height: 37px;
    background-color: rgba(0,0,0,.5);
    border-radius: 18px;
    border: 2px solid hsla(0,0%,100%,.5);
    animation: gs 2s infinite;
    color: #fff;
    position: fixed;
    z-index: 2;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    line-height: 36px;
    cursor: pointer;
    transition: 1.5s all;
    bottom: -50px;
    z-index: 99;
}
.admission_box{
    overflow: hidden;
}
.admission_box img{
    width: 100%;
    height: 100%;
    display: none;
}
.admission_txt {
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%,-50%);
    opacity: 0;
    transition: 1.7s all;
}
.admission_txt img{
    width: 100%;
    height: 100%;
    transform: scale(0.9);
}
.btnexternal{
    position: absolute;
    left: 0;
    bottom: 22px;
    height: 66px;
    width: 100%;
    z-index: 11;
}
.btnexternal li{
    width: 80px;
    height: 66px;
    float: left;
    margin-left: 28px;
    cursor: pointer;
    text-align: center;
}
.btnexternal li img{
    width: 43px;
    height: 43px;
}
.btnexternal li p{
    color: #fff;
    font-size: 15px;
}
#btnexternal_right{
    float: right;
    margin-right: 36px;
}
@media screen and (max-width: 600px) {
    .admission_txt{
        transform: translate(-20%,-58%);
        opacity:1;
        left: 110%;
        transition: 0.8s all;
    }
    .btn_gohall{
        bottom: -50px;
        transition: 0.8s all;
    }
    .admission_txt img{
        transform: scale(1);
    }
    .btnexternal{
        height: 60px;
        bottom: 1px;
    }
    .btnexternal li{
        width: 35px;
        height: 46.5px;
        margin-left: 16px;
    }
    .btnexternal li:nth-child(2){
        margin-left: 8px;
    }
    #btnexternal_right{
        width: 36px;
        margin-right: 16px;
    }
    .btnexternal li img{
        width: 30px;
        height: 30px;
    }
    .btnexternal li p{
        font-size: 9px;
    }
}
@media screen and (min-width: 601px){
    .box img{
        width: 100%;
        height: 100%;
    }
}
.box {
    position: fixed;
    left: 0;
    top: 0;
    opacity: 0.3;
    z-index: 1;
}

button:focus{outline:0;}