.photo-year{
    height: 50px;
}
.photo-year li{
    display: inline-block;
    width: 120px;
}
.photo-year li a{
    font-size: 18px;
    color: #999;
    padding: 10px 30px;
}
.photo-year li a.active{
    font-family: 'GmarketSansBold';
    font-weight: 700;
    border-bottom: 2px solid #2893ff;
    color: #2893ff;
}
.photo-list{
    width: calc(100% - 40px);
    margin: 0 20px 50px;
}
.photo-thumbnail {
    float: left;
    width: calc((100% - 40px)/3);
    height: auto;
    margin-right: 20px;
    margin-bottom: 20px;
}
.photo-thumbnail:nth-child(3n){
    margin-right: 0;
}
.photo-thumbnail img{
    width: 100%;
    height: 21vw;
    object-fit: cover;
}
.gallery-pagination{
    text-align: center;
}
.gallery-pagination ul li{
    display: inline-block;
}
.gallery-pagination ul li a{
    font-size: 16px;
    border-radius: 5px;
    padding: 6px 20px;
}
.gallery-pagination ul li a.active{
    color: white;
    background: #2893ff;
}
.video-info{
    text-align: center;
    font-size: 20px;
    margin: 0 auto 40px;
}
.video-info span{
    content: '';
    width: 40px;
    height: 25px;
    background-image: url(../images/sub/video-info.png);
    background-repeat: no-repeat;
    background-size: 25px;
    background-position: 1px;
    padding-left: 30px;
}
.video-info b{
    color: #ff3f13;
}
.video-top{
    position: relative;
    width: 100%;
    height: 800px;
    margin-bottom: 50px;
    cursor: pointer;
}
.video-top .video-summary{
    position: absolute;
    content: '';
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 100%;
    height: 120px;
    background: rgb(0,0,0);
    background: linear-gradient(0deg, rgba(0,0,0,.6) 0%, rgba(0,0,0,0) 100%);
    color: white;
    font-size: 20px;
    padding-top: 50px;
    padding-left: 30px;
}
.video-top img{
    width: 100%;
    height: 100%;
}
.video-list{
    width: 100%;
    height: auto;
}
.video-item{
    float: left;
    width: calc(50% - 20px);
    height: calc(700px / 1.4 );
    margin-bottom: 50px;
    cursor: pointer;
}
.video-item:nth-child(2n-1){
    margin-right: 40px;
}
.video-item img{
    width: 100%;
    height: calc(100% - 80px);
}
.video-item h5{
    margin-top: 15px;
}
@media screen and (max-width : 1420px){
    .video-top{
        height: 58vw;
    }
    .video-item {
        height: calc((100% - 20px) / 3 );
    }
}
@media screen and (max-width : 768px){
    .photo-list{
        margin-bottom: 10px;
    }
    .photo-thumbnail {
        width: calc((100% - 15px)/2);
        margin-right: 15px;
        margin-bottom: 15px;
    }
    .photo-thumbnail img {
        height: 30vw;
    }
    .photo-thumbnail:nth-child(3n){
        margin-right: 15px;
    }
    .photo-thumbnail:nth-child(2n){
        margin-right: 0;
    }
    .video-info{
        font-size: 16px;
        margin-bottom: 20px;
    }
    .video-item {
        float: unset;
        width: 100%;
        height: 58vw;
        padding-bottom: 20px;
    }
    .video-item img {
        height: 100%;
         
    }
    .video-item h5{
        font-size: 18px;
        margin-bottom: 20px;
    }
}

@media screen and (max-width : 425px){
    .photo-year li{
        width: 70px;
    }
    .photo-year li a{
        font-size: 16px;
        padding: 5px 10px;
    }
    .photo-thumbnail {
        float: unset;
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .photo-thumbnail img {
        height: 60vw;
    }
    .gallery-pagination{
        margin-top: 20px;
    }
    .gallery-pagination ul li a {
        font-size: 14px;
        border-radius: 3px;
        padding: 4px 15px;
    }
}