body {
    margin: 0;
    background-color: #000;
    color: #eee;
    font-family: '宋体';
    font-size: 1rem;
}

.video-carousel {
    /* height: 100vh;
    width: 100vw;
    overflow: hidden; */
    position: relative;
}

/* .video-item {
    width: 100vw;
    object-fit: cover;
} */

.video-info {
    /* width: 40rem;*/
    /* position: absolute; 
    top: 15%;
    left: 8%; */
    box-sizing: border-box;
    color: #fff;
}


.info-item,
.info-item .title,
.info-item .desc {
    transform: translateY(50px);
    filter: blur(20px);
    opacity: 0;
    animation: showContent .5s linear 1s forwards;
}

/* .info-item {
    border: 2px solid #fff;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.8);
    padding: 1.6rem;
} */

.info-item .title {
    /* font-size: 4rem; */
    font-weight: bold;
    line-height: 1.3em;
    margin: 0;
    animation-delay: .5s !important;
}

.info-item .desc {
    /* font-size: 1.4rem;
    letter-spacing: .5rem; */
    line-height: 2rem;
    margin-top: 2rem;
    animation-delay: 1s !important;
}

@keyframes showContent {
    to {
        transform: translateY(0px);
        filter: blur(0px);
        opacity: 1;
    }
}

.video-item,
.info-item {
    display: none;
}

.video-item.active,
.info-item.active {
    display: block;
}

/* .thumbnails {
    position: absolute;
    bottom: 3.125rem;
    left: 50%;
    width: max-content;
    z-index: 666;
    display: flex;
    gap: 20px;
} */

.thumb-item {
    /* width: 150px;
    height: 220px; */
    flex-shrink: 0;
    position: relative;
    border: 1px solid #fff;
    /* box-shadow: 0 0 5px rgba(255, 255, 255, 0.8); */
    border-radius: 20px;
    cursor: pointer;
}

.thumb-item .layer{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.5);
}
.thumb-item img {
    pointer-events: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.thumbnail.active {
    border: 2px solid red;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.8);
    position: relative;
}

.thumbnail.active .layer{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 20px;
    background: transparent;
}

.thumb-item .content {
    color: #fff;
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
}

.thumbnail:nth-child(1) img {
    width: 150px;
    height: 220px;
    animation: showImage .5s linear 1 forwards;
}

@keyframes showImage {
    to {
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

.thumbnail:nth-last-child(1) {
    overflow: hidden;
    animation: showThumbnail .5s linear 1 forwards;
}

@keyframes showThumbnail {
    from {
        width: 0;
        opacity: 0;
    }
}

.thumbnail {
    animation: effectNext .5s linear 1 forwards;
}

@keyframes effectNext {
    from {
        transform: translateX(150px);
    }
}


/* arrows */
/* .arrows {
    position: absolute;
    top: 80%;
    right: 52%;
    z-index: 100;
    width: 300px;
    max-width: 30%;
    display: flex;
    gap: 10px;
    align-items: center;
} */

.arrows button {
    /* width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #eee4;
    border: none;
    color: #fff; */
    font-family: monospace;
    font-weight: bold;
    transition: .5s;
}

/* .arrows button:hover {
    background-color: #fff;
    color: #000;
} */

.prev,
.next {
    cursor: pointer;
}