.inner-banner {
    position: relative;
    background: url(../img/about-banner.png);
    background-size: cover;
}

.inner-banner .container {
    position: relative;
    /* min-height: 520px; */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 40.72vw;
}

.inner-banner .playBtn {
    position: relative;
    cursor: pointer;
}

.inner-banner .playBtn img{
    width: 6.25vw;
    min-width: 50px;
    transition:all .6s;
}
.inner-banner .playBtn:hover img{
    transform:scale(1.1)
}
.intro-section {
    padding: 96px 0;
}

.intro-section .intro-flex {
    display: flex;
    justify-content: space-between;
}

.intro-section .intro-left {
    width: 38.91%;
}

.intro-section .intro-left .section-title {
    line-height: 1.5;
}

.intro-section .intro-left p {
    font-weight: 400;
    color: #333333;
    text-align: left;
    line-height: 1.5;
    margin-top: .5em;
    max-width: 100%;
    width: 464px;
}

.intro-section .intro-right {
    font-weight: 400;
    font-size: 20px;
    color: #666666;
    line-height: 1.8;
    width: 57.62%;
}

.intro-section .intro-right p:not(:last-child) {
    margin-bottom: 2.4em;
}

.intro-section .icon-grid {
    border-top: 1px solid rgba(242, 244, 247, 1);
    margin-top: 48px;
    padding-top: 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 24px;
}

.intro-section .icon-grid .icon-box {
    border-radius: 12px 12px 12px 12px;
    border: 1px solid #DFE6F1;
    padding: 43px;
    text-align: center;
    transition: all .6s;
}

.intro-section .icon-grid .icon-box:hover {
    transform: translateY(-10px);
}

.intro-section .icon-grid .icon-box .icon-circle {
    width: 124px;
    height: 124px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.intro-section .icon-grid .icon-box .icon-circle img {
    max-width: 100%;
    max-height: 100%;
    transition: all .6s;
}
.intro-section .icon-grid .icon-box:hover .icon-circle img {
    transform:rotateY(180deg)
}
.intro-section .icon-grid h4 {
    font-weight: 500;
    font-size: 20px;
    color: #333333;
    line-height: 1.5;
    margin-top: 16px;
}

.culture-section .culture-grid {
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 24px;
}

.culture-section .culture-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.culture-section .culture-card::before {
    position: absolute;
    content: "";
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(46, 86, 182, 0.70);
    z-index: 2;
    opacity: 0;
    transition: all .6s;
}

.culture-section .culture-card:hover::before {
    opacity: 1;
}

.culture-section .culture-card .picCover {
    padding-top: 114.91%;
}

.culture-section .culture-card .culture-title {
    position: absolute;
    left: 0;
    top: 100%;
    padding: 24px;
    font-weight: bold;
    color: #FFFFFF;
    transform: translateY(-100%);
    transition: all .6s;
    z-index: 3;
}

.culture-section .culture-card:hover .culture-title {
    top: 0;
    transform: translateY(0);
}

.culture-section .culture-card .text-box {
    position: absolute;
    left: 0;
    bottom: 0;
    padding: 24px;
    width: 100%;
    transition: all .6s;
    transform: translateY(100%);
    z-index: 3;
    transition: all .6s;
}

.culture-section .culture-card:hover .text-box {
    transform: translateY(0);
}

.culture-section .culture-card .culture-des {
    font-weight: bold;
    font-size: 24px;
    line-height: 1.5;
    color: #FFFFFF;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.culture-section .culture-card .culture-text {
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 24px;
    text-align: left;
    margin-top: 16px;
}

.history-section {
    padding: 96px 0;
    margin-top: 96px;
    background-image: url(../img/Group-2142.png);
    background-size: cover;
}

.history-section .timeline {
    margin-top: 50px;
    position: relative;
}

.history-section .timeline .itemline-line {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 100vw;
    height: 2px;
    background: #ABB7D2;
}

.history-section .timeline .swiper {
    height: 538px;
}

.history-section .timeline .swiper-slide {
    width: 25%;
    height: calc(50% + 10px);
    display: flex;
}

.history-section .timeline .swiper-slide:nth-child(2n+1) {
    align-self: flex-end;
}

.history-section .timeline .swiper-slide .slide-left {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.history-section .timeline .swiper-slide:nth-child(2n) .slide-left {
    flex-direction: column-reverse;
}

.history-section .timeline .swiper-slide .timeline-dot {
    width: 20px;
    height: 20px;
    background: #2E56B6;
    border-radius: 50%;
    transition: all .6s;
}
.history-section .timeline .swiper-slide:hover .timeline-dot{
    background-color: #F5821F;
}
.history-section .timeline .swiper-slide .line {
    background-color: RGBA(218, 223, 236, 1);
    width: 1px;
    flex: 1;
}

.history-section .timeline .swiper-slide .icon-sanjiaoxing_shang {
    color: rgba(46, 86, 182, 1);
    font-size: 7px;
    margin: 4px 0;
}

.history-section .timeline .swiper-slide:nth-child(2n+1) .icon-sanjiaoxing_shang {
    transform: rotate(180deg);
}

.history-section .timeline .swiper-slide .slide-right {
    flex: 1;
    margin-left: 16px;
    padding-right: 30px;
    padding-top: 62px;
    padding-bottom: 8px;
    display: flex;
    gap: 48px;
    flex-direction: column;
}

.history-section .timeline .swiper-slide:nth-child(2n) .slide-right {
    padding-top: 8px;
    padding-bottom: 62px;
    flex-direction: column-reverse;


}

.history-section .timeline .swiper-slide .timeline-year {
    font-weight: bold;
    font-size: 28px;
    color: #2E56B6;
    line-height: 1.5;
    transition: all .6s;
    transform-origin: left center;
}
.history-section .timeline .swiper-slide:hover .timeline-year{
    color: #F5821F;
    transform: scale(1.1);
}
.history-section .timeline .swiper-slide .timeline-content {
    font-weight: 400;
    font-size: 16px;
    line-height: 24px;
    color: #333333;
    flex: 1;
    overflow: auto;
}

.cert-section {
    padding-bottom: 96px;
    background: #F2F4F7;
    scroll-margin-top: 100px;
}

.cert-section .cert-grid {
    margin-top: 50px;
}

.cert-section .cert-grid .swiper {
    padding: 36px 0;
}

.cert-section .cert-grid .swiper-slide {
    width: 23.72%;
    background: #FFFFFF;
    box-shadow: 0px 0px 32px 0px rgba(127, 163, 218, 0.21);
    border-radius: 8px 8px 8px 8px;
    padding: 40px;
}

.cert-section .cert-grid .swiper-slide .picCover {
    padding-top: 113.67%;
}

.cert-section .cert-grid .swiper-slide .picCover img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
}

.cert-section .cert-grid .swiper-slide:not(:last-child) {
    margin-right: 1.69%;
}

.cert-section .cert-grid .swiper-slide .cert-title {
    font-weight: bold;
    font-size: 20px;
    color: #333333;
    line-height: 1.5;
    margin-top: 2.4em;
    text-align: center;
}

.cert-section .btns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 42px;
}

.cert-section .btns .btn {
    width: 72px;
    height: 72px;
    background: rgba(32, 28, 112, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: rgba(32, 28, 112, 1);
    transition: all .6s;
}

.cert-section .btns .btn.swiper-button-disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.cert-section .btns .btn:not(.swiper-button-disabled):hover {
    background-color: rgba(245, 130, 31, 0.12);
    color: rgba(245, 130, 31, 1);
}

.cert-section .btns .btn .iconfont {
    font-size: 24px;
}
.amap-icon img {
    width: 100% !important;
    height: auto !important;
}
@media (max-width:1440px) {
    .cert-section .btns .btn{
        width: 60px;
        height: 60px;
    }
}
@media (max-width:1280px) {
    .cert-section .btns .btn{
        width: 50px;
        height: 50px;
    }
    .cert-section .btns{
        gap: 30px;
    }
    .cert-section .cert-grid .swiper-slide{
        padding: 30px;
    }
    .cert-section .cert-grid .swiper-slide .cert-title{
        margin-top: 1.5em;
    }
}
@media (max-width:1199px) {
    .cert-section .cert-grid .swiper-slide{
        padding: 25px;
    }
    .history-section{
        margin-top: 75px;
    }
    .cert-section{
        padding-bottom: 75px;
    }
    .partners-section,
    .history-section,
    .intro-section{
        padding: 75px 0;
    }
    .cert-section .cert-grid,
    .history-section .timeline,
    .culture-section .culture-grid,
    .intro-section .icon-grid{
        margin-top: 45px;
    }
    .intro-section .icon-grid{
        padding-top: 45px;
    }
    .intro-section .intro-right{
        font-size: 18px;
    }
    .intro-section .intro-right p:not(:last-child){
        margin-bottom: 1.8em;
    }
}
@media (max-width:1024px) {
    .intro-section .icon-grid .icon-box .icon-circle{
        width: 80px;
        height: 80px;
    }
    .intro-section .icon-grid .icon-box:hover{
        transform: translateY(0);
    }
    .intro-section .icon-grid .icon-box{
        padding: 30px;
    }
    .intro-section .intro-flex{
        flex-direction: column;
    }
    .intro-section .intro-left,
    .intro-section .intro-right{
        width: 100%;
    }
    .intro-section .intro-right{
        margin-top: 1em;
    }
    .intro-section .intro-right p:not(:last-child){
        margin-bottom: 1em;
    }
    .history-section{
        margin-top: 65px;
    }
    .cert-section{
        padding-bottom: 65px;
    }
    .partners-section,
    .history-section,
    .intro-section{
        padding: 65px 0;
    }
    .cert-section .cert-grid,
    .history-section .timeline,
    .culture-section .culture-grid,
    .intro-section .icon-grid{
        margin-top: 40px;
    }
    .intro-section .icon-grid{
        padding-top: 40px;
    }
    .culture-section .culture-card .culture-des{
        font-size: 22px;
    }
    .history-section .timeline .swiper-slide{
        width: 33.33%;
    }
    .history-section .timeline .swiper-slide .timeline-year{
        font-size: 26px;
    }
    .history-section .timeline .swiper-slide:nth-child(2n) .slide-right{
        padding-bottom: 31px;
    }
    .history-section .timeline .swiper-slide .slide-right{
        padding-top: 41px;
    }
    .cert-section .cert-grid .swiper-slide{
        width: 32%;
    }
    .cert-section .cert-grid .swiper-slide:not(:last-child){
        margin-right: 2%;
    }
}
@media (max-width:768px) {
    .cert-section .cert-grid .swiper{
        padding: 20px 0;
    }
    .cert-section .cert-grid .swiper-slide{
        width: 49%;
        box-shadow: 0px 0px 20px 0px rgba(127, 163, 218, 0.21);
    }
    .cert-section .btns .btn{
        width: 40px;
        height: 40px;
    }
    .cert-section .btns{
        gap: 20px;
    }
    .cert-section .btns .btn .iconfont{
        font-size: 16px;
    }
    .history-section .timeline .swiper-slide .timeline-year{
        font-size: 24px;
    }
    .history-section .timeline .swiper-slide .timeline-dot{
        width: 14px;
        height: 14px;
    }
    .history-section .timeline .swiper{
        height: 430px;
    }
    .history-section .timeline .swiper-slide{
        width: 50%;
        height: calc(50% + 7px);
    }
    .culture-section .culture-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .culture-section .culture-card .culture-des{
        font-size: 20px;
    }
    .intro-section .intro-right{
        font-size: 16px;
    }
    .intro-section .icon-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .history-section{
        margin-top: 55px;
    }
    .cert-section{
        padding-bottom: 55px;
    }
    .partners-section,
    .history-section,
    .intro-section{
        padding: 55px 0;
    }
    .cert-section .cert-grid,
    .history-section .timeline,
    .culture-section .culture-grid,
    .intro-section .icon-grid{
        margin-top: 30px;
    }
    .intro-section .icon-grid{
        padding-top: 30px;
    }
}

@media (max-width:500px) {
    .cert-section .cert-grid .swiper-slide .cert-title{
        margin-top: 1em;
        font-size: 16px;
    }
    .cert-section .cert-grid .swiper-slide{
        padding: 20px;
    }
    .history-section .timeline .swiper-slide .timeline-year{
        font-size: 20px;
    }
    .history-section .timeline .swiper{
        height: 380px;
    }
    .history-section .timeline .swiper-slide .slide-right{
        gap: 20px;
    }
    .culture-section .culture-grid{
        grid-template-columns: repeat(1,1fr);
    }
    .intro-section .icon-grid h4{
        font-size: 18px;
    }
    .intro-section .icon-grid .icon-box .icon-circle{
        width: 60px;
        height: 60px;
    }
    .intro-section .icon-grid .icon-box{
        padding: 20px;
    }
    .history-section{
        margin-top: 45px;
    }
    .cert-section{
        padding-bottom: 45px;
    }
    .partners-section,
    .history-section,
    .intro-section{
        padding: 45px 0;
    }
    .cert-section .cert-grid,
    .history-section .timeline,
    .culture-section .culture-grid,
    .intro-section .icon-grid{
        margin-top: 25px;
    }
    .intro-section .icon-grid{
        padding-top: 25px;
    }
}