html{
    background: url(../about/bg2.png) repeat-y center #8230a7;
    background-size: 100% auto;
    height: auto;
}
body{
    background: url(../about/bg.png) no-repeat center top;
    background-size: 100% auto;
}
.main{
    padding-top: 80px;
}
/* 关于茉莉 */
.about{
    height: calc(100vh - 80px);
    text-align: center;
    font-size: 18px;
}
.about .section-description{
    margin-top: 30px;
}
.video-container-bg{
    width: 100%;
    background: url(../about/video_bg.png) no-repeat center top;
    background-size: 100% auto;
}
.video-container{
    min-width:610px;
    /* min-height: 366px; */
    width: 50vw;
    /* height: 25vw; */
    margin:30px auto;
    background: black;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}
.video-container  .video-overlay.hidden{
    display: none;
}
.video-container .video-overlay{
    width:100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    color: #8839b6;
    display: flex;
    align-items: center; 
    justify-content: center; 
    flex-direction: column;
    background: rgba(0,0,0, 0.7)
}
.video-play{
    margin-bottom: 10px;
    cursor: pointer;
}
.video-container  .video-player{
    width:100%;
    height: 100%;
}
/* 发展 */
.development{
    margin-top: 100px;
    overflow: hidden;
}
.development-img{
    width:100%;
    min-width: 1300px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}
.development .development-container{
    margin-top: 50px;
    /* background: url(../about/development_bg.jpg) no-repeat top center;
    background-size: 1920px auto; */
}
.development .bg-2025{
    background: url(../about/bg-2025.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2024{
    background: url(../about/bg-2024.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2023{
    background: url(../about/bg-2023.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2022{
    background: url(../about/bg-2022.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2021{
    background: url(../about/bg-2021.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2020{
    background: url(../about/bg-2020.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2025{
    background: url(../about/bg-2025.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2019{
    background: url(../about/bg-2019.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2018{
    background: url(../about/bg-2018.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2017{
    background: url(../about/bg-2017.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2016{
    background: url(../about/bg-2016.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .bg-2015{
    background: url(../about/bg-2015.jpg) no-repeat top center;
    background-size: 1920px auto;
}
.development .development-item{
    width: 100%;
    max-width: 1000px;
    height: 156px;
    margin: 0 auto;
    display: flex;
    position: relative;
}
.development .development-item .circle{
    width: 25px;
    height: 25px;
    border: 5px solid #fff;
    border-radius:25px;
    position: absolute;
    top: calc(50% - 13px);
}
.development .development-item .line{
    width: 5px;
    height: 113px;
    background: #fff;
    position: absolute;
    top: calc(50% + 20px);
    left: 10px;
}
.development .development-item .year{
    font-size: 48px;
    margin: 40px 100px 0 150px;
}
.development .development-item .item{
    margin-top: 30px;
    font-size: 20px;
}

/* 企业生态 */
.ecology{
    position: relative;
    width: 70vw;
    min-width: 600px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 0;
}
.ecology .img{
    width: 100%;
}
.ecology .circle{
    width: 100%;
    position: absolute;
    top: 100px;
    left: 0;
}
/* .ecology .circle1 {
    animation: circle 5s linear infinite;
} */
.ecology .circle2 {
    animation: circle 14s linear infinite;
}
/* .ecology .circle3 {
    animation: circle 12s linear infinite;
} */
.ecology .circle4 {
    animation: circle2 7s linear infinite;
}
@keyframes circle {
    0% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(90deg);
    }

    50% {
        transform: rotate(180deg);
    }

    75% {
        transform: rotate(270deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes circle2 {
    0% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-90deg);
    }

    50% {
        transform: rotate(-180deg);
    }

    75% {
        transform: rotate(-270deg);
    }

    100% {
        transform: rotate(-360deg);
    }
}
/* 公司荣誉 */
.honor .main-honor-container,
.honor .honor-container{
    margin: 0 auto;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.honor .main-honor-container {
    margin-top: 50px;
    margin-bottom: 50px;
}
.honor .main-honor-container .main-honor-item{
    flex: 1;
}
.main-honor-item + .main-honor-item{
    margin-left: 20px
}

.honor .honor-img{
    width: 100%;
    height: 100%;
}

.honor .honor-container .honor-item{
    width: 16.5%;
    margin-top: 10px;
    padding-right: 10px;
    box-sizing: border-box;
}

/* 新闻 */
.news{
    margin-top: 50px;
    padding-bottom: 100px;
}
.news-container{
    margin: 20px auto 0 ;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.news-item{
    width: 33%;
    box-sizing: border-box;
    padding-right: 20px;
    margin-bottom: 20px;
}
.news-item .bg{
    display: block;
    background-color: #fff;
    border-radius: 25px;
    overflow: hidden;

}
.news-item .news-img{
    width: 100%;
    max-height: 220px;
}
.news-tab-warp,
.news-title,
.news-time{
    margin: 5px 20px 0 20px;
}
.news-tab-warp{
    height: 24px;
}
.news-tab-warp .news-tag{
    display: inline-block;
    color: rgb(243, 179, 3);
    background-color: rgb(252, 237, 197);
    border-radius: 5px;
    padding: 0 10px;
}
.news-title{
    height: 48px;
    color: #333;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-time{
    color: #999;
    padding-bottom: 10px;
}


.section-title{
    font-size: 40px;
    font-weight: bold;
    text-align: center;
}
.section-en-title{
    text-align: center;
    
}
/* 进入动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.about .section-title{
    opacity: 0;
    animation: fadeInUp .8s ease forwards;
}
.about .section-description{
    opacity: 0;
    animation: fadeInUp .8s ease .3S forwards;
}
.about .video-container-bg{
    opacity: 0;
    animation: fadeInUp .8s ease .6S forwards;
}
.about .section-footer{
    opacity: 0;
    animation: fadeInUp .8s ease .9S forwards;
}