.page-about,
.page-video,
.page-metaverse {
    line-height: 1;
}

.common-title {
    text-align: center;
}

.common-title.left {
    text-align: left;
}

.common-title .cn {
    font-size: 46px;
}

.common-title .en {
    font-size: 24px;
    color: #666;
    margin-top: 20px;
}

.about-sec1 {
    margin: auto;
    width: calc(100% - 12.09vw);
    margin-top: 20px;
}

.about-sec1 img {
    display: block;
    width: 100%;
    height: auto;
}


.about-sec2 {
    margin-top: 140px;
}

.about-sec2 .desc {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    text-align: center;
    margin-top: 60px;
}

.about-sec2 .desc p {
    margin-bottom: 35px;
}

.about-sec2 .desc p:last-child {
    margin-bottom: 0;
}

.about-sec2 .advantage {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 90px;
}

.about-sec2 .advantage .item {
    background: white;
    width: calc(25% - 30px);
    text-align: center;
    position: relative;
    padding: 32px 20px;
    border-radius: 10px;
}

.about-sec2 .advantage .item::before {
    content: "";
    position: absolute;
    left: -30px;
    top: -45px;
    z-index: -1;
    border: 1px solid #dc4063;
    border-radius: 50%;
    width: 90px;
    height: 90px;
}

.about-sec2 .advantage .item .img {
    position: absolute;
    left: -21px;
    top: -36px;
    z-index: 2;
    background: #dc4063;
    border-radius: 50%;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 10px;
}

.about-sec2 .advantage .item .img img {
    display: block;
}

.about-sec2 .advantage .item .title {
    font-size: 26px;
    color: #dc4063;
    position: relative;
    padding-bottom: 13px;
    margin-bottom: 15px;
}

.about-sec2 .advantage .item .title::after {
    content: "";
    position: absolute;
    left: calc(50% - 15px);
    bottom: 0;
    width: 30px;
    height: 1px;
    background: #dc4063;
}

.about-sec2 .advantage .item .txt {
    font-size: 18px;
    line-height: 1.5;
    color: #555;
}


.about-sec3 {
    margin-top: 190px;
}

.about-sec3 .map {
    margin-top: 20px;
}

.about-sec3 .map img {
    display: block;
    width: 100%;
}

.about-sec3 .desc .once {
    margin-bottom: 40px;
    color: #555;
}

.about-sec3 .desc .once:last-child {
    margin-bottom: 0;
}

.about-sec3 .desc .once .title {
    font-size: 26px;
    margin-bottom: 16px;
}

.about-sec3 .desc .once p {
    font-size: 18px;
    line-height: 1.5;
}


.about-sec4 {
    margin-top: 230px;
    margin-bottom: 115px;
}

.about-sec4 .item-all {
    margin-top: 60px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.about-sec4 .item-all a {
    display: block;
    margin-bottom: 24px;
}

.about-sec4 .item-all a img {
    display: block;
    height: 180px;
    width: auto;
}

.about-sec4 .desc {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    text-align: center;
    margin-top: 60px;
}

@media screen and (max-width: 992px) {
    .common-title .cn {
        font-size: 30px;
    }

    .common-title .en {
        font-size: 20px;
        margin-top: 15px;
    }

    .about-sec2 {
        margin-top: 80px;
    }

    .about-sec2 .advantage .item {
        width: calc(50% - 20px);
        margin-bottom: 30px;
    }

    .about-sec2 .desc {
        margin-top: 50px;
    }

    .about-sec2 .desc br {
        display: none;
    }

    .about-sec3 {
        margin-top: 80px;
    }

    .about-sec3 .desc .once p {
        line-height: 1.8;
    }

    .about-sec4 {
        margin: 80px 0;
    }

    .about-sec4 .item-all {
        justify-content: flex-start;
    }

    .about-sec4 .item-all a {
        margin: 0 24px 24px 0;
    }

}

@media screen and (max-width: 768px) {
    .about-sec2 .desc {
        font-size: 16px;
    }

    .about-sec3 .desc .once p{
        font-size: 16px;
    }
}

@media screen and (max-width: 580px) {
    .about-sec2 .advantage .item {
        width: 100%;
        padding-top: 78px;
    }

    .about-sec2 .advantage .item::before {
        left: calc(50% - 45px);
    }

    .about-sec2 .advantage .item .img {
        left: calc(50% - 36px);
    }

    .about-sec4 .item-all a {
        width: 100%;
        margin: 0 0 24px 0;
    }

    .about-sec4 .item-all a img {
        width: 100%;
        height: auto;
    }
}

.video-sec1 {
    width: calc(100% - 12.09vw);
    margin: auto;
    margin-top: 20px;
}

.video-sec1 img {
    display: block;
    width: 100%;
}

.video-title {
    font-size: 46px;
    text-align: center;
}

.video-sec2 {
    margin-top: 140px;
}

.video-sec2 .item-all {
    margin-top: 50px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.video-sec2 .item-all .w33 {
    width: calc(33.333% - 20px);
    padding: 25px;
}

.video-sec2 .item-all .w50 {
    width: calc(50% - 15px);
    padding: 30px;
}

.video-sec2 .item-all a {
    border-radius: 20px;
    background: white;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid #ddd;
}

.video-sec2 .item-all a:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px #91c7e7;
}

.video-sec2 .item-all a .img {
    overflow: hidden;
    border-radius: 20px;
}

.video-sec2 .item-all a .img img {
    display: block;
    width: 100%;
}

.video-sec2 .item-all a .title {
    font-size: 26px;
}

.video-sec2 .item-all a .desc {
    font-size: 18px;
    line-height: 1.5;
    margin-top: 14px;
}

.video-sec2 .item-all a .content {
    position: relative;
    padding-top: 30px;
    color: #666;
}

.video-sec2 .item-all a .content .btn {
    position: absolute;
    top: 20px;
    right: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 50px #91c7e7;
    transition: all 0.3s ease;
}

.video-sec2 .item-all a:hover .content .btn {
    background: #4baae3;
}

.video-sec2 .item-all a .content .btn img {
    width: 24px;
    transition: all 0.3s ease;
}

.video-sec2 .item-all a:hover .content .btn img {
    filter: brightness(0) invert(1);
}

.video-last {
    margin-bottom: 175px;
}

.more-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 110px auto 0;
    width: 250px;
    height: 70px;
    border-radius: 35px;
    background: #4baae3;
    color: white;
    font-size: 25px;
}

.more-btn i {
    font-style: normal;
    margin-left: 18px;
    transition: all 0.3s ease;
}

.more-btn:hover i {
    transform: translateX(15px);
}


@media screen and (max-width: 992px) {

    .video-title {
        font-size: 30px;
    }

    .video-sec2 {
        margin-top: 80px;
    }

    .video-sec2 .item-all a {
        width: 100% !important;
    }
}

@media screen and (max-width: 768px) {
    .video-sec2 .item-all a {
        padding: 15px !important;
    }

    .video-sec2 .item-all a .title {
        font-size: 20px;
    }

    .video-sec2 .item-all a .desc {
        font-size: 16px;
        line-height: 1.5;
    }

    .video-sec2 .item-all a .content .btn {
        width: 50px;
        height: 50px;
    }

    .more-btn {
        margin-top: 50px;
        width: 180px;
        height: 50px;
        font-size: 20px;
    }

    .video-last {
        margin-bottom: 80px;
    }
}


.metaverse-sec1 {
    width: calc(100% - 12.09vw);
    margin: auto;
    margin-top: 20px;
}

.metaverse-sec1 img {
    display: block;
    width: 100%;
}

.metaverse-title .cn {
    font-size: 46px;
    color: #333;
}

.metaverse-title .en {
    font-size: 24px;
    color: #666;
    margin-top: 18px;
}

.metaverse-sec2 {
    margin-top: 140px;
    display: flex;
    align-items: flex-start;
}

.metaverse-sec2 .left {
    width: calc(100% - 38.1%);
    padding-right: 75px;
}

.metaverse-sec2 .left .once {
    margin-top: 60px;
}

.metaverse-sec2 .left .once .title {
    font-size: 25px;
    color: #4bacdf;
    margin-bottom: 8px;
}

.metaverse-sec2 .left .once p {
    font-size: 18px;
    line-height: 1.8;
    color: #666;
}



.metaverse-sec2 .right {
    width: 38.1%;
}

.metaverse-sec2 .right img {
    display: block;
    width: 100%;
}


.metaverse-sec3 {
    margin: 140px 0;
}

.metaverse-sec3 .item-all {
    margin-top: 75px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.metaverse-sec3 .item-all .item {
    width: calc(25% - 15px);
    text-align: center;
    background: white;
    border-radius: 15px;
    border: 1px solid #ddd;
    padding: 60px 30px 32px;
    transition: all 0.3s ease;
}

.metaverse-sec3 .item-all .item:hover {
    background: #4bacdf;
}

.metaverse-sec3 .item-all .item img {
    display: block;
    height: 88px;
    margin: auto;
    transition: all 0.2s ease;
}

.metaverse-sec3 .item-all .item:hover img {
    filter: brightness(0) invert(1);
}

.metaverse-sec3 .item-all .item .title {
    font-size: 18px;
    margin-top: 30px;
    color: #4bacdf;
    font-weight: bold;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.metaverse-sec3 .item-all .item p {
    font-size: 14px;
    line-height: 1.5;
    color: #666;
    transition: all 0.3s ease;
}

.metaverse-sec3 .item-all .item:hover .title,
.metaverse-sec3 .item-all .item:hover p {
    color: #fff;
}


@media screen and (max-width: 1024px) {
    .metaverse-title .cn {
        font-size: 30px;
    }

    .metaverse-title .en {
        font-size: 16px;
        margin-top: 10px;
        line-height: 1.5;
    }

    .metaverse-sec2 {
        margin-top: 80px;
        display: block;
    }

    .metaverse-sec2 .left {
        width: 100%;
        padding: 0;
    }

    .metaverse-sec2 .left .once {
        margin-top: 30px;
    }

    .metaverse-sec2 .left .once .title {
        font-size: 20px;
    }

    .metaverse-sec2 .left .once p {
        font-size: 16px;
    }

    .metaverse-sec2 .right {
        width: 100%;
        margin-top: 30px;
    }

    .metaverse-sec3 {
        margin: 80px 0;
    }

    .metaverse-sec3 .item-all {
        margin-top: 50px;
    }
}

@media screen and (max-width: 768px) {
    .metaverse-sec3 .item-all .item {
        width: calc(50% - 10px);
    }
}

@media screen and (max-width: 580px) {
    .metaverse-sec3 .item-all .item {
        width: 100%;
    }
}