.index-banner-box{
    width: 100%;
    display: block;
    position: relative;
    overflow: hidden;
    margin-top: 100px;
}
.index-banner-box,
.index-banner-list,
.index-video-box,
.index-video,
.index-video-bg{
     height: calc(100vh - 100px);
}
.index-banner-list-box{
    width: 100%;
    display: block;
    position: relative;
    
}
.index-banner-list{
    width: 100%;
    display: block;
     position: relative;
}
.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-banner-slong,
.index-video-slong{
    width: 100%;
    text-align: center;
    font-size: 2.25em;
    color: #FFF;
    display: block;
    position: absolute;
    z-index: 9;
    top: 48%;
    text-shadow: rgba(0,0,0,0.6) 2px 2px 2px;
    cursor: context-menu;
} */
.index-video-mask{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#000000+0,000000+100&0+82,0.3+100 */
    background: -moz-linear-gradient(top,  rgba(0,0,0,0) 0%, rgba(0,0,0,0) 82%, rgba(0,0,0,0.3) 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(top,  rgba(0,0,0,0) 0%,rgba(0,0,0,0) 82%,rgba(0,0,0,0.3) 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom,  rgba(0,0,0,0) 0%,rgba(0,0,0,0) 82%,rgba(0,0,0,0.3) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#4d000000',GradientType=0 ); /* IE6-9 */
    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-banner-slong-box{
    width: 100%;
    display: block;
    position: absolute;
    top: 48%;
    left: 0;
    z-index: 5;
    pointer-events: none;
    text-align: center;
}
.index-video-open{
    display: none;
}
.not-banner{
    display: none;
}

.index-banner-list-box .slick-dotted.slick-slider{
    margin-bottom: 0;
}
.index-banner-list-box .slick-dots{
    bottom: 25px;
}
.index-banner-list-box .slick-dots li{
    width: 8px;
    height: 8px;
    margin: 0 8px;
}
.index-banner-list-box .slick-dots li button{
    width: 8px;
    height: 8px;
    padding: 0;
}
.index-banner-list-box .slick-dots li button:before{
    width: 8px;
    height: 8px;
    opacity: 1;
    content: '';
    font-size: 0;
    line-height: initial;
    background-color: #fff;
    border: 1px solid #000;
}
.index-banner-list-box .slick-dots li.slick-active button:before{
    background-color: #ffea00;
}



@media only screen and (max-width: 1200px){
    .index-banner-box, 
    .index-banner-list, 
    .index-video-box, 
    .index-video, 
    .index-video-bg {
        height: calc(100vh - 90px);
    }
    .index-banner-box {
        margin-top: 90px;
    }
}
@media only screen and (max-width: 1000px){
    .index-banner-box, 
    .index-banner-list, 
    .index-video-box, 
    .index-video, 
    .index-video-bg {
        height: 60vw;
    }
    .index-banner-box {
        margin-top: 79px;
    }
}
@media only screen and (max-width: 550px){
    .index-banner-box {
        margin-top: 56px;
    }
}