#about .index-video-box{
    position: absolute;
}
.banner-box{
    width: 100%;
    position: relative;
    overflow: hidden;
    margin-top: 62px;
    height: calc(100vh - 62px);
    display:         flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
}
.banner-img-box{
    width: 100%;
    height: 100%;
    display: block;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
}
.banner-box .slick-list,
.banner-box .slick-track{
    height: 100%;
}
.banner-img-slick-list{
    width: 100%;
    height: 100%;
    display: block;
}
.banner-img{
    width: 100%;
    height: 120%;
    display: block;
    position: relative;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.banner-mask{
    width: 100%;
    height: 100%;
    background-color: #000;
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    z-index: 1;
}
.banner-title-box{
    width: 300px;
    height: 300px;
    max-width: 100%;
    display: block;
    position: relative;
    z-index: 5;
}
.banner-title-block{
    text-align: center;
    color: #FFF;
    letter-spacing: 2px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display:         flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
    flex-direction:column;
}
.banner-svg-box{
    width: 100%;
    height: 100%;
    display: block;
    transform: rotate(-90deg);
}
.banner-title1{
    font-size: 28px;
    color: #00a48b;
    letter-spacing: 2px;
    display: block;
}
.banner-title2{
    font-size: 16px;
    color: #FFF;
    letter-spacing: 2px;
    padding-top: 5px;
}
/*----------------about-----------------*/

.about-list{
    width: 100%;
    height: 460px;
    overflow: hidden;
    position: relative;
}
.about-list-bg-box{

    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    overflow: hidden;
}
.about-list1-bg{
    width: 100%;
    height: 120%;
    display: block;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}
.about-list-info-block{ 
    position: relative;
    width: 1200px;
    max-width: 100%;
    height: 100%;
    display: block;
    margin: 0 auto;
    
}
.about-list-info-box,
.about-list-info-box2{
    width: 460px;
    max-width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}
.about-list-info-box2{
    float: right;
}
.about-list-info-bg-box,
.about-list-info-bg-box2{  
    height: 100%;
    position: absolute;
    top: 0;  
}
.about-list-info-mask{
    width: 100%;
    height: 100%;
    background-color: #FFF;
    opacity: 0.7;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}
.about-list-info-bg-box,
.about-list-bg-box{
    left: -352px;
    width: 1920px;
}

.about-list-info-bg,
.about-list-info-bg2{
    width: 100%;
    height: 120%;
    display: block;
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    filter:blur(3px);
    -webkit-filter:blur(3px);
}
.about-list-info{
    position: relative;
    z-index: 1;
    padding: 0 20px;
    margin-top: 20%;
    box-sizing: border-box;
}
.about-list-info-title{
    font-size: 28px;
    color: #00a48b;
    letter-spacing: 2px;
    padding-bottom: 40px;
    font-weight: bold;
}

.about-list-info-p{
    font-size:18px;
    letter-spacing: 2px;
    color: #555; 
    padding-bottom: 30px;
}
.about-list-info-p:last-child{
    padding-bottom:0;
}
.about-list-info-bg-box2, .about-list-bg-box2{
    width: 1920px;
    right: -368px;
}
.about-list-info-box2 .about-list-info-p{
    font-size: 0;
    padding-bottom: 5px;
    letter-spacing: 0;
}
.about-list-info-span{
    width: 60px;
    max-width: 100%;
    box-sizing: border-box;
    display: inline-block;
    vertical-align: top;
    font-size:18px;
    font-weight: bold;
    letter-spacing: 2px; 
    color: #000;
    padding-left: 20px;
    position: relative;
}
.about-list-info-span:before{
    content: '◆';
    font-size: 18px;
    color: #ff8400;
    position: absolute;
    display: block;
    left: 1px;
}
.about-list-info-p2{
    width: calc(100% - 60px);
    display: inline-block;
    vertical-align: top;
    font-size: 18px;
    letter-spacing: 2px;
    color: #555;
    padding-left: 5px;
    box-sizing: border-box;
}

.about-list2{
    width: 100%;
    height: 460px;
    display: block;
    text-align: center;
    color: #FFF;
    position: relative;
}
.about-list2-bg-box{
    width: 100%;
    height: 100%;
    display: block;
    position: relative;
    overflow: hidden;
}
.about-list2-bg{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: bottom;
    background-attachment: fixed;
}
.about-list2-mask{
    width: 100%;
    height: 100%;
    display: block;
    background-color: rgba(0,0,0,0.5);
    position: relative;
    z-index: 1
}
.about-list2-info-box{
    position: absolute;
    z-index: 1;
    width: 100%;
    top: 0;
}
.about-list2-title{
    font-size: 28px;
    color: #00a48b;
    letter-spacing: 2px;
    padding-top: 80px;
    padding-bottom: 40px;
}
.about-list2-p{
    font-size: 18px;
    letter-spacing: 2px;
    color: #FFF;
    padding-bottom:10px;
}
.about-list2-p-box a{
    width: 240px;
    height: 40px;
    border: 1px solid #00a48b;
    box-sizing: border-box;
    text-align: center;
    line-height: 38px;
    display: block;
    margin: 0 auto;
    letter-spacing: 3px;
    margin-top: 40px;
    position: relative;
}
.about-list2-p-box a:after,
.production-link:after,
.footer-cooperation-link:after{
    content: 'none';
    font-size: 0;
    width: 100%;
    height: 100%;
    display: block;
    background-color: #00a48b;
    position: absolute;
    top: 0;
    left: 0;
    transform: scale(0,1);
    transition: all .3s ease;
}   
.about-list2-p-box a span,
.production-link:after span,
.footer-cooperation-link span{
    position: relative;
    z-index: 1;
    font-size: 16px;
}

.about-phd-box{
    width: 1200px;
    max-height: 100%;
    display: block;
    margin: 0 auto;
    font-size: 0;
}
.about-list-p2{
    font-size: 16px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #8b6d4a;
    outline: none;
}