.about {
    padding: 75px 0 0;
}

.about h1 {
    font-size: 50px;
    color: var(--active-color);
    line-height: 1;
    font-family: var(--font-family1);
    text-align: center;
}

.about h1::after {
    content: "";
    background: var(--active-color);
    width: 40px;
    height: 4px;
    margin: 11px auto 0;
    display: block;
}

.about .txt {
    margin: 50px 0 0;
    line-height: 24px;
    font-size: 16px;
    color: #666666;
}

.about .txt p ~ p {
    margin-top: 15px;
}

.about .v {
    width: 44.5%;
    position: relative;
    display: block;
    overflow: hidden;
    float: right;
    margin: 0 0 20px 30px;
}

.about .v img {
    width: 100%;
    display: block;
    transition: all 0.3s ease 0s;
    -webkit-transition: all 0.3s ease 0s;
}

.about .v::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%; /* background:url("../images/v1.png") no-repeat center; */
    display: block;
}

.about .v:hover img {
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

.about ul {
    margin-top: 65px;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
}

.about ul li {
    text-align: center;
}

.about ul li h5 {
    color: var(--active-color);
    font-size: 60px;
    line-height: 1;
    display: inline-block;
    position: relative;
}

.about ul li h5 span {
    font-family: var(--font-family1);
}

.about ul li h5::after {
    content: attr(date-txt);
    position: absolute;
    right: -15px;
    top: 2px;
    color: var(--active-color);
    font-size: 24px;
}

.about ul li:nth-child(1) h5::after {
    right: -80px;
}

.about ul li:nth-child(2) h5::after {
    right: -42px;
}

.about ul li p {
    font-size: 24px;
    color: #333;
    line-height: 24px;
    margin: 5px 0 0;
}

.vr {
    padding: 75px 0 0;
    text-align: center;
}

.vr h3 {
    font-size: 50px;
    color: var(--active-color);
    line-height: 1;
    font-family: var(--font-family1);
    text-align: center;
}

.vr h3::after {
    content: "";
    background: var(--active-color);
    width: 40px;
    height: 4px;
    margin: 11px auto 0;
    display: block;
}

.vr .pic {
    margin: 50px 0 0;
    text-align: center;
}

.cert-list {
    padding: 75px 0;
}

.cert-list h3 {
    font-size: 50px;
    color: var(--active-color);
    line-height: 1;
    font-family: var(--font-family1);
    text-align: center;
}

.cert-list h3::after {
    content: "";
    background: var(--active-color);
    width: 40px;
    height: 4px;
    margin: 11px auto 0;
    display: block;
}

.cert-list .list {
    margin-top: 50px;
    position: relative;
}

.cert-list .list a {
    height: 278px;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
}

.cert-list .list .swiper-slide img {
    max-width: 100%;
    max-height: 100%;
}

.cert-list .swiper-button-prev, .cert-list .swiper-button-next {
    width: 46px;
    height: 46px;
    background: none;
    color: #919191;
    margin-top: -23px;
    text-align: center;
}

.cert-list .swiper-button-prev::after, .cert-list .swiper-button-next::after {
    display: none;
}

.cert-list .swiper-button-prev i, .cert-list .swiper-button-next i {
    font-size: 40px;
    line-height: 46px;
    color: inherit;
}

.cert-list .swiper-button-prev, .cert-list .swiper-container-rtl .swiper-button-next {
    left: -60px;
    right: auto;
}

.cert-list .swiper-button-next, .cert-list .swiper-container-rtl .swiper-button-prev {
    right: -60px;
    left: auto;
}

.cert-list .swiper-button-prev:hover, .cert-list .swiper-button-next:hover {
    color: var(--active-color);
}

.cert-list .swiper-pagination {
    display: none;
    position: static;
    width: 100%;
    margin-top: 25px;
}

.cert-list .swiper-pagination-bullet {
    height: 12px;
    width: 12px;
    background: #E0E0E0;
    margin: 0 4px;
    border-radius: 50%;
    opacity: 1;
}

.cert-list .swiper-pagination-bullet-active {
    background: #999;
}

.pic-list {
    padding: 75px 0 0;
}

.pic-list h3 {
    font-size: 50px;
    color: var(--active-color);
    line-height: 1;
    font-family: var(--font-family1);
    text-align: center;
    text-transform: uppercase;
}

.pic-list h3::after {
    content: "";
    background: var(--active-color);
    width: 40px;
    height: 4px;
    margin: 11px auto 0;
    display: block;
}

.pic-list .list {
    position: relative;
    margin: 50px 0 0;
}

.pic-list .list .swiper-slide h3 {
    font-size: 24px;
    margin-top: 15px;
}

.pic-list .list .swiper-slide h3::after {
    display: none;
}

.pic-list .list .swiper-slide a {
    display: block;
    width: 100%;
}

.pic-list .list .swiper-slide a img {
    width: 100%;
}

.pic-list .swiper-pagination {
    position: static;
    width: 100%;
    margin-top: 35px;
    font-size: 0;
}

.pic-list .swiper-pagination-bullet {
    width: 16px;
    height: 16px;
    margin: 0 10px;
    background: #E0E0E0;
    border-radius: 50%;
    opacity: 1;
}

.pic-list .swiper-pagination-bullet-active {
    background: #999;
}

.partner {
    padding: 0 0 75px;
}

.partner h3 {
    font-size: 50px;
    color: var(--active-color);
    line-height: 1;
    font-family: var(--font-family1);
    text-align: center;
}

.partner h3::after {
    content: "";
    background: var(--active-color);
    width: 40px;
    height: 4px;
    margin: 11px auto 0;
    display: block;
}

.partner ul {
    margin: 30px -20px 0;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
}

.partner ul li {
    width: 20%;
    padding: 20px;
    box-sizing: border-box;
}

.partner ul li .pic {
    box-sizing: border-box;
    cursor: pointer;
}

.partner ul li .pic img {
    display: inline-block;
    transition: all 0.3s ease 0s;
    -webkit-transition: all 0.3s ease 0s;
}

@media screen and (max-width: 1441px) {
    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 48px;
    }

    .about ul li h5 {
        font-size: 50px;
    }

    .about ul li p {
        font-size: 22px;
    }
}

@media screen and (max-width: 1367px) {
    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 44px;
    }

    .about {
        padding: 60px 0 0;
    }

    .vr .pic iframe {
        height: 500px;
    }

    .cert-list {
        padding: 60px 0;
    }

    .cert-list .swiper-button-prev, .cert-list .swiper-button-next {
        width: 40px;
        height: 40px;
        margin-top: -20px;
    }

    .cert-list .swiper-button-prev i, .cert-list .swiper-button-next i {
        font-size: 30px;
        line-height: 40px;
    }

    .cert-list .swiper-button-prev, .cert-list .swiper-container-rtl .swiper-button-next {
        left: -50px;
    }

    .cert-list .swiper-button-next, .cert-list .swiper-container-rtl .swiper-button-prev {
        right: -50px;
    }

    .pic-list {
        padding: 60px 0 0;
    }

    .partner {
        padding: 0 0 60px;
    }
}

@media screen and (max-width: 1281px) {
    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 40px;
    }

    .cert-list .swiper-button-prev, .cert-list .swiper-button-next {
        display: none;
    }

    .cert-list .swiper-pagination {
        display: block;
    }
}

@media screen and (max-width: 1171px) {
    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 36px;
    }
}

@media screen and (max-width: 992px) {
    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 32px;
    }
}

@media screen and (max-width: 768px) {
    .about ul li h5 {
        font-size: 44px;
    }

    .about ul li p {
        font-size: 18px;
    }

    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 28px;
    }

    .about {
        padding: 30px 0 0;
    }

    .about .txt {
        margin: 20px 0;
    }

    .about .txt p ~ p {
        margin-top: 10px;
    }

    .about .v {
        width: 100%;
        float: none;
        margin: 0 0 20px;
    }

    .about ul {
        margin-top: 25px;
    }

    .about ul li {
        width: 50%;
        padding: 15px 0;
    }

    .about ul li h5::after {
        font-size: 20px;
    }

    .about ul li:nth-child(1) h5::after {
        right: -75px;
    }

    .about ul li:nth-child(2) h5::after {
        right: -40px;
    }

    .vr {
        padding: 30px 0 0;
    }

    .vr .pic {
        margin: 25px 0 0;
    }

    .vr .pic iframe {
        height: 400px;
    }

    .cert-list {
        padding: 30px 0;
    }

    .cert-list .list {
        margin-top: 25px;
    }

    .cert-list .list a {
        height: 200px;
    }

    .pic-list {
        padding: 30px 0 0;
    }

    .pic-list .list {
        margin: 25px 0 0;
    }

    .pic-list .swiper-pagination {
        margin-top: 25px;
    }

    .pic-list .swiper-pagination-bullet {
        width: 12px;
        height: 12px;
        margin: 0 4px;
    }

    .partner {
        padding: 0 0 30px;
    }

    .partner ul {
        margin: 15px -10px 0;
    }

    .partner ul li {
        width: 33.33333%;
        padding: 10px;
    }
}

@media screen and (max-width: 600px) {
    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 26px;
    }
}

@media screen and (max-width: 480px) {
    .about ul li h5 {
        font-size: 40px;
    }

    .about h1, .vr h3, .cert-list h3, .pic-list h3, .partner h3 {
        font-size: 24px;
    }


    .cert-list ul li {
        width: 50%;
    }
}