.index-banner-box{
    width: 100%;
    display: block;
    position: relative;
    overflow: hidden;
}
.index-banner-box,
.index-banner-list,
.index-video-box,
.index-video,
.index-video-bg{
     height: 100vh;
}
.index-banner-list-box{
    width: 100%;
    display: block;
    position: relative;
}
.index-banner-list{
    width: 100%;
    display: block;
    
}
.index-banner-list span{
    height: 100%;
    width: 100%;
    display: block;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}
.index-banner{
    width: 100%;
    height: 100%;
    display: block;
    position: relative;
}


.index-video-mask{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000;
    opacity: 0.4;
    z-index: 5;
}
.index-video-box{
    width: 100%;
    display: block;
    position: relative;
}
.index-video{
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 5;
    display: block;
}

.index-video-bg{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}


.index-video-open{
    display: none;
}

.index-mask-box{
    width: 100%;
    height: 100%;
    display: block;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-image: url(../img/banner-logo-mask.png);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 6;
    opacity: 0.2;
}
#about .index-mask-box{
    background-image: none;
    background-color: rgba(0,0,0,0.6);
}
.index-scoll-box{
    display: block;
    position: absolute;
    z-index: 6;
    bottom: 0;
    left: calc(50% - 13px);
}
.index-scoll-line{
    width: 1px;
    height: 80px;
    display: inline-block;
    vertical-align: top;
    background-color: #FFF;
}
.index-scoll-p{
    font-size: 12px;
    writing-mode: vertical-lr ;
    color: #FFF;
    display: inline-block;
    vertical-align: top;
    letter-spacing: 1px;
    transition: all .3s linear;
}
#index footer{
    border: 0;
}
/*---------------------------------------------------*/
.index-about-box{
    width: 1760px;
    max-width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: calc(50% - 880px);
    display:         flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;    
    -webkit-justify-content: center;
    z-index: 6;         
}
.index-about{
    width: 100%;
    display: block;
    text-align: center;
    padding: 0 100px;
}
.index-about-logo-box{
    width: 550px;
    max-width: 100%;
    display: inline-block;
    vertical-align: top;
    padding-left: 60px;
    box-sizing: border-box;
    position: relative;
    top: -18px;

}
.index-about-info{
    display: inline-block;
    vertical-align: top;
    width: calc( 100% - 555px );
}
.index-about-info-list-title1{
    font-size: 20px;
    font-family: 'NotoSerifCJKtc-Light';
    text-align: left;
    color: #FFF;
    letter-spacing: 2px;
    padding-bottom: 5px;
}
.index-about-info-list-title2{
    font-size: 24px;
    font-family: 'NotoSerifCJKtc-Light';
    text-align: left;
    color: #FFF;
    letter-spacing: 2px;
    padding-bottom: 5px;
}

.index-about-info-p{
    font-size: 16px;
    color: #FFF;
    text-align: left;
    padding-bottom: 5px;
    letter-spacing: 2px;
}






/*過場動畫*/

.dt-loading-2 {
    width: 100%;
    height: 100vh;
    display: table;
    position: fixed;
    top: 0;
    z-index: 99999;
    transition: all .4s linear;
    background-color: #FFF;
}

.laying-2 {
   display: table-cell;
   vertical-align: middle;
}

.loading-logo-box{
    width: 300px;
    display: block;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
}
.loading-log{
    width: 100%;
    display: block;
    position: relative;
 
}

.loading-log1{
    position: relative;
    z-index: 1;
}
.loading-log1{
    animation:  fade 1s linear 0s 1 both;
}
.loading-log2{
    position: absolute;
    top: 0;
    left: 0;

    transform-origin: left;
}
.loading-log2-mask{
    width: 100%;
    height: 100%;
    display: block;
    background-color: #FFF;
    top: 0;
    right: 0;
    position: absolute;
     animation:  right-out 1s linear .5s 1 both;
}