.index-banner-box{
    width: 100%;
    display: block;
    position: relative;
    overflow: hidden;
    margin-top: 63px;
}
.index-banner-box,
.index-banner-list,
.index-video-box,
.index-video,
.index-video-bg{
     height: calc(100vh - 63px);
}
.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;
    overflow: hidden;
}

.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-banner-slong-block{
    width: 100%;
    display: block;
    padding: 0 20px;
    position: absolute;
    top: calc(50% - 25px);
    left: 0;
    pointer-events: none;
    box-sizing: border-box;
}

.index-banner .slick-dots{
    bottom: 50px;
}
.index-banner .slick-dots li button:before{
    content: 'none';
   
    display: none;
}
.index-banner .slick-dots li{
    width: 12px;
    height: 12px;
    margin: 0 8px;
}
.index-banner .slick-dots li button{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #FFF;
    transition: all .5s ease;
}
.slick-dots li.slick-active button{
    background-color: #e60012;
    
}
.index-banner-slong-slick-list{
    font-size: 0;
    text-align: center;
}
.index-banner-slong-logo-box,
.index-banner-slong{
    display: inline-block;
    vertical-align: bottom;

}
.index-banner-slong{
    padding-bottom: 10px;
    padding-left: 30px;
    font-family: "Anton-cn";
    font-size: 26px;
    color: #FFF;
    letter-spacing: 5px;
}
.index-banner-arrow {
    z-index: 99;
    display: block;
    position: absolute;
    bottom: 95px;
    left: calc(50% - 30px);
    text-align: center;
    cursor: pointer;
}
.index-banner-arrow img {
    width: 26px;
    max-width: 100%;
}
.index-banner-arrow img {
    animation: arrow 4s ease-in 0s infinite;
}
.index-banner-arrow span {
    font-size: 16px;
    display: block;
    letter-spacing: 2px;
    margin-top: 10px;
    font-family: "Anton";
    color: #FFF;
}
@keyframes arrow{
    0%{transform:translateY(0);}
    50%{transform:translateY(10px);}
    100%{transform:translateY(0);}
}