/* about Introduction start */
.about-introduction {
    margin-top: 50px;
}

.introduction-warp {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    margin-bottom: 80px;
}

.introduction-left {
    width: 50%;
    margin-right: 150px;
}

.introduction-left .introduction-title {
    width: 100%;
    color: rgb(17, 61, 60);
    font-family: 'Exo';
    font-size: 45px;
    font-weight: 700;
    line-height: -1px;
    letter-spacing: 0px;
    text-align: left;
    text-transform: capitalize;
    margin-bottom: 20px;
}


.introduction-left .introduction-content {
    width: 100%;
    height: 475px;
    overflow-y: auto;
}

.introduction-left .introduction-content p {
    margin-bottom: 20px;

}

.introduction-left .introduction-content p {
    color: rgb(51, 51, 51);
    font-family: 'Poppins';
    font-size: 18px;
    font-weight: 400;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: left;
    text-transform: capitalize;
}


.introduction-right {
    width: 40%;
    position: relative;
    height: 0;
    padding-bottom: 43%;
    -webkit-transition: all 150ms ease-out 0ms;
    -moz-transition: all 150ms ease-out 0ms;
    -o-transition: all 150ms ease-out 0ms;
    transition: all 150ms ease-out 0ms;
}

.introduction-right lite-youtube {
    position: absolute;
    width: 100%;
    height: 100%;
    left: -30px;
    top: 30px;
    object-fit: cover;
    z-index: 100;
    border-radius: 8px;
}

.introduction-right .introduction-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    background: rgb(17, 61, 60);
    z-index: 1;
}

.introduction-right .introduction-img {
    overflow: hidden;
    position: absolute;
    width: 100%;
    height: 100%;
    left: -30px;
    top: 30px;
    object-fit: cover;
    z-index: 100;
    border-radius: 8px;
}

.introduction-right:hover .introduction-img {
    -webkit-transform: scale(1.05);
    -moz-transform: scale(1.05);
    -o-transform: scale(1.05);
    transform: scale(1.05);
}

.introduction-right lite-youtube {
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.introduction-right .since_time {
    position: absolute;
    bottom: 10px;
    left: -30px;
    border-radius: 0px 8px 8px 0px;
    padding: 15px 20px;
    background-color: #3AD82E;
    font-family: 'Exo';
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0px;
    text-align: left;
    text-transform: capitalize;
    -webkit-text-stroke: 1px #113D3C;
    /* 1px宽度的黑色描边 */
    color: transparent;
    /* 文字颜色设为透明 */
    z-index: 101;
}


/* introduction Introduction end */
/* certificate start */
.certificate-box {
    background-image: url(../img/certificate-background.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 50px;
    padding-bottom: 180px;
    box-sizing: border-box;
    position: relative;
}

.certificate-tip {
    color: #3AD82E;
    font-family: 'Poppins';
    font-size: 24px;
    font-weight: 400;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: center;
    text-transform: capitalize;
}

.certificate-title {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.certificate-title p {
    width: 75%;
    color: rgb(17, 61, 60);
    font-family: 'Exo';
    font-size: 50px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0px;
    text-align: center;
    text-transform: capitalize;
}

.certificate-swiper-box {
    margin-top: 50px;
    position: relative;
}

.certificate-swiper-box .swiper {
    width: 100%;
    height: 100%;

}

.certificate-mySwiper .swiper-slide {
    text-align: center;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 0;
    overflow: hidden;
    padding-bottom: 26%;
    -webkit-transition: all 150ms ease-out 0ms;
    -moz-transition: all 150ms ease-out 0ms;
    -o-transition: all 150ms ease-out 0ms;
    transition: all 150ms ease-out 0ms;
}

@media (max-width:1400px) {
    .certificate-mySwiper .swiper-slide {
        padding-bottom: 45%;
    }
}

.certificate-mySwiper .swiper-slide img {
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    object-fit: cover;
}

.certificate-mySwiper .swiper-slide:hover img {
    -webkit-transform: scale(1.05);
    -moz-transform: scale(1.05);
    -o-transform: scale(1.05);
    transform: scale(1.05);
    opacity: 1;
}

.certificate-swiper-box .swiper-btn-prev {
    width: 80px;
    height: 80px;
    position: absolute;
    bottom: -35%;
    left: 45%;
    margin-left: -40px;
    border-radius: 50px;
    background: #FFFFFF;
    cursor: pointer;
    background-image: url(../img/certificate-perv.png);
    background-repeat: no-repeat;
    background-position: center center;
    transition: all 0.5s ease;
}



.certificate-swiper-box .swiper-btn-prev:hover {
    /* 浅绿色 */
    background: #3AD82E;
    background-image: url(../img/certificate-perv.png);
    background-repeat: no-repeat;
    background-position: center center;
}


.certificate-swiper-box .swiper-btn-next {
    width: 80px;
    height: 80px;
    position: absolute;
    bottom: -35%;
    right: 45%;
    margin-right: -40px;
    border-radius: 50px;
    background: #FFFFFF;
    cursor: pointer;
    background-image: url(../img/certificate-next.png);
    background-repeat: no-repeat;
    background-position: center center;
    transition: all 0.5s ease;
}

.certificate-swiper-box .swiper-btn-next:hover {
    /* 浅绿色 */
    background: #3AD82E;
    background-image: url(../img/certificate-next.png);
    background-repeat: no-repeat;
    background-position: center center;
}

@media (max-width:1400px) {
    .certificate-swiper-box .swiper-btn-prev {
        bottom: -22%;
    }

    .certificate-swiper-box .swiper-btn-next {
        bottom: -22%;
    }
}

.company-development {
    padding-top: 50px;
    background-image: url(../img/about-bg.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.development-tip {
    color: #3AD82E;
    font-family: 'Poppins';
    font-size: 24px;
    font-weight: 400;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: left;
    text-transform: capitalize;
}

.development-title {
    width: 49%;
    color: #113D3C;
    font-family: 'Exo';
    font-size: 50px;
    font-weight: 700;
    line-height: -1px;
    letter-spacing: 0px;
    text-align: left;
    text-transform: capitalize;
}

.development-body {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    margin-top: 50px;
}

.development-item {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 20px;
}

.development-item .year-item {
    color: #113D3C;
    font-family: 'Exo';
    font-size: 36px;
    font-weight: 700;
    line-height: -1.5;
    letter-spacing: 0px;
    text-transform: capitalize;
    cursor: pointer;
    margin-right: 30px;
}

@media (max-width:950px) {
    .development-item .year-item {
        font-size: 22px;
    }
}

/* 右侧内容区域 */
.content-area {
    flex: 1;
    padding: 0 25px;
    overflow-y: auto;
}

.content-item {
    line-height: 1.5;
    font-size: 16px;
    color: #666;
}

.content-item span {
    line-height: 1.5;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.development-right ul li {
    list-style-type: decimal;
}

.development-right ul li {
    color: rgb(51, 51, 51);
    font-family: 'Poppins';
    font-size: 18px;
    font-weight: 400;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: left;
    text-transform: capitalize;
}

/* certificate end */


/* photo start */
.company-photo {
    margin-top: 50px;
    padding-bottom: 60px;
    box-sizing: border-box;
}

.photo-tip {
    color: #3AD82E;
    font-family: 'Poppins';
    font-size: 24px;
    font-weight: 400;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: center;
    text-transform: capitalize;
}

.photo-title {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}

.photo-title p {
    width: 50%;
    color: #113D3C;
    font-family: 'Exo';
    font-size: 50px;
    font-weight: 700;
    line-height: -1px;
    letter-spacing: 0px;
    text-align: center;
    text-transform: capitalize;

}

.photo-warp {
    position: relative;
}

.photo-warp .swiper-btn-box {
    position: absolute;
    top: 0;
    left: 0;
}

.photo-warp .swiper {
    width: 100%;
    height: 100%;
}

.photo-mySwiper-mobile {
    display: none;
}

.photo-mySwiper .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    position: relative;
    height: 0;
    overflow: hidden;
    padding-bottom: 35%;
    -webkit-transition: all 150ms ease-out 0ms;
    -moz-transition: all 150ms ease-out 0ms;
    -o-transition: all 150ms ease-out 0ms;
    transition: all 150ms ease-out 0ms;

}

.photo-mySwiper .swiper-slide img {
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    object-fit: cover;
}

.photo-mySwiper .swiper-slide:hover img {
    -webkit-transform: scale(1.05);
    -moz-transform: scale(1.05);
    -o-transform: scale(1.05);
    transform: scale(1.05);
    opacity: 1;
}

.photo-warp .swiper-btn-prev {
    width: 80px;
    height: 80px;
    position: absolute;
    bottom: -21%;
    left: 45%;
    margin-left: -40px;
    border-radius: 50px;
    /* 背景色 */
    background: rgb(243, 238, 231);
    cursor: pointer;
    background-image: url(../img/certificate-perv.png);
    background-repeat: no-repeat;
    background-position: center center;
    transition: all 0.5s ease;
}

.photo-warp .swiper-btn-prev:hover {
    /* 浅绿色 */
    background: #3AD82E;
    background-image: url(../img/certificate-perv.png);
    background-repeat: no-repeat;
    background-position: center center;
}


.photo-warp .swiper-btn-next {
    width: 80px;
    height: 80px;
    position: absolute;
    bottom: -21%;
    right: 45%;
    margin-right: -40px;
    border-radius: 50px;
    /* 背景色 */
    background: rgb(243, 238, 231);
    cursor: pointer;
    background-image: url(../img/certificate-next.png);
    background-repeat: no-repeat;
    background-position: center center;
    transition: all 0.5s ease;
}

.photo-warp .swiper-btn-next:hover {
    /* 浅绿色 */
    background: #3AD82E;
    background-image: url(../img/certificate-next.png);
    background-repeat: no-repeat;
    background-position: center center;
}


.swiper-slide .photo-introdction {
    width: 90%;
    padding: 22px 0;
    box-sizing: border-box;
    border-radius: 8px;
    background: #FFFFFF;
    position: absolute;
    bottom: 5%;
    left: 5%;
    /* 白色 */
    background: rgb(255, 255, 255);
    border-top: 4px solid #3AD82E;
}

.swiper-slide .photo-introdction p {
    color: #113D3C;
    font-family: 'Poppins';
    font-size: 24px;
    font-weight: 700;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: center;
    text-transform: capitalize;
}

@media (max-width:1500px) {
    .swiper-slide .photo-introdction {
        width: 89%;
    }
}

@media (max-width:1400px) {
    .swiper-slide .photo-introdction {
        width: 89%;
    }
}

@media (max-width:1200px) {
    .swiper-slide .photo-introdction {
        width: 90%;
    }
}

/* photo end */




@media (max-width:1366px) {
    .introduction-left .introduction-title {
        font-size: 30px;
    }

    .introduction-left .introduction-content {
        height: 330px;
    }

    .certificate-title p {
        font-size: 35px;
    }

    .development-title {
        font-size: 35px;
    }

    .photo-title p {
        font-size: 35px;
    }
}


/*---------------------mobile start------------------------*/
@media (max-width:950px) {
    .introduction-warp {
        flex-direction: column;
    }

    .introduction-left {
        width: 100%;
    }

    .introduction-right {
        width: 90%;
        margin-left: 30px;
        padding-bottom: 100%;

    }

    .about-right .about-image {
        height: 965px;
    }

    @media (max-width:800px) {
        .about-right .about-image {
            height: auto;
        }
    }

    .introduction-right .image-warp {
        top: 20px;
        right: 80px;
    }

    .introduction-right .video-open {
        width: 80px;
        height: 80px;
        margin-top: -60px;
        margin-left: -60px;
    }

    .introduction-right .video-open img {
        width: 23.75px;
        height: 27.42px;
    }

    .introduction-right .since_time {
        font-size: 22px;
        left: -38px;
        bottom: 110px;
    }

    .introduction-left .introduction-content {
        height: auto;
    }

    @media (max-width:420px) {
        .introduction-right .introduction-image {
            max-width: 340px;
            max-height: 394px;
        }

        .introduction-right .image-warp {
            top: 20px;
            right: 80px;
            max-width: 340px !important;
        }

        .introduction-right .video-open {
            width: 80px;
            height: 80px;
            margin-top: -60px;
            margin-left: -60px;
        }

        .introduction-right .video-open img {
            width: 23.75px;
            height: 27.42px;
        }

        .introduction-right .since_time {
            font-size: 22px;
            left: -30px;
            bottom: 0;
        }
    }

    .introduction-left .introduction-title {
        font-size: 30px;
    }

    .certificate-box {
        margin-top: 5%;
        padding: 30px;
        padding-bottom: 100px;
    }

    .certificate-swiper-box .swiper-btn-prev {
        width: 60px;
        height: 60px;
        bottom: -15%;
        left: 40%;
    }

    .certificate-swiper-box .swiper-btn-next {
        width: 60px;
        height: 60px;
        bottom: -15%;
        right: 40%;
    }

    .certificate-swiper-box .swiper {
        width: 100%;
        max-width: 950px;
        height: 100%;
    }

    .certificate-swiper-box .swiper-slide {
        text-align: center;
        font-size: 18px;
        display: flex;
        justify-content: center;
        align-items: center;
        padding-bottom: 141%;
    }

    .certificate-swiper-box .swiper-slide img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .certificate-title p {
        font-size: 24px;
    }

    .photo-mySwiper .swiper-slide {
        padding-bottom: 131%;
    }

    .development-title {
        width: 100%;
        font-size: 30px;
        text-align: center;
    }

    .development-body {
        margin-top: 30px;
        flex-direction: column;
    }

    .development-left ul {
        display: flex;
        justify-content: space-between;
        overflow-x: auto;
    }

    .development-left ul li {
        margin-left: 30px;
    }

    .development-left ul li:first-child {
        font-size: 30px;
        margin-left: 0;
    }

    .development-left {
        width: 100%;
    }

    .development-left .year-nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        overflow-x: auto;
    }

    .development-left .year-nav .year-item {
        font-size: 30px;
        margin-right: 20px;
    }

    .development-left .year-nav .year-item.active {
        color: #3AD82E;
        font-family: 'Exo';
        font-size: 40px;
        font-weight: 700;
        line-height: -1px;
        letter-spacing: 0px;
        text-align: left;
        text-transform: capitalize;
        opacity: 1 !important;
    }

    .development-right {
        width: 100%;
        padding: 20px 0;
    }

    .photo-title p {
        width: 100%;
        font-size: 30px;
    }

    .company-photo {
        padding-bottom: 30px;
    }

    .swiper-slide .photo-introdction {
        width: 80%;
        left: 10%;
        bottom: 5%;
    }

    .photo-warp {
        padding-bottom: 50px;
    }

    .photo-warp .swiper-btn-prev {
        width: 60px;
        height: 60px;
        bottom: -7%;
    }

    .photo-warp .swiper-btn-next {
        width: 60px;
        height: 60px;
        bottom: -7%;
    }

    @media (max-width:800px) {
        .swiper-slide .photo-introdction {
            width: 88%;
            left: 5%;
        }
    }

    .contact_info {
        flex-direction: column;
    }

    .info_item {
        width: 100%;
    }

    .info_item:nth-child(2) {
        width: 100%;
    }

    .info_content a {
        font-size: 16px;
    }

    .userInfo_warp {
        padding: 20px;
    }

    .userInfo_warp {
        flex-wrap: wrap;
    }

    .userInfo-left {
        width: 100%;
        margin-right: 0;
    }

    .userInfo_title {
        font-size: 29px;
    }

    .userInfo_right {
        width: 100%;
    }

    .userInfo_image {
        text-align: center;
        margin-left: 0;
        margin: 0 auto;
    }

    .recommended-news .news-item {
        width: 100%;
    }

    .item-image {
        width: 100%;
    }

    .recommended-news .news-tip {
        font-size: 20px;
    }

    .recommended-news .news-title {
        font-size: 35px;

    }


}

/*---------------------mobile end------------------------*/