.about-img-box{
    margin-top: 90px;
    width: 100%;
    height: 400px;
}
.about-img-box img{
    width: 100%;
    height: 400px;
}
.about-nav{
    width: 50%;
    padding: 0 25%;
    height: 80px;
    background-color: #f9f9f9;
    display: flex;
    align-items: center;
    border-bottom:1px solid #d8d8d8 ;

}
.about-nav li{  
    width: 20%;
    margin: 0 7%;
    font-size: 20px;
    height: 74px;
    line-height: 74px;
    text-align: center;
    
}
.about-nav li a{
    height: 72px;
    line-height: 72px;
    display: block;
    color: #333;
}
.about-nav .nav-current{
    color: #05b5ed;
    border-bottom: 2px solid #05b5ed;
}
.about-nav li .current{
    color: #05b5ed;
    border-bottom: 2px solid #05b5ed;
}
.about-content{
    align-items: center;
    width: 1200px;
    margin: 0 auto;
    margin-top: 70px;
    height: auto;min-height:400px;margin-bottom:50px;
}
.about-content-left{
    width: 501px;
    height: 406px;
}
.about-content-right{
    margin-left: 50px;
    width: 649px;
    height: 406px;
}
.company-title-box{
    align-items: center; margin:auto 0;
    width:96%;height:60px;
}
.company-title-logo {
    width: 150px; text-align:center;
    height: 70px;
    float: left;
}
    .company-title-logo img {
        width: 70px;
        height: 70px;
    }
.company-title-content{
    margin-left: 0px;height:60px; line-height:60px;
    font-size: 28px;
}
.about-company-intro{
    font-size: 18px;
    line-height: 32px;
    margin-top:0px;width:96%;
    color: #333;
    text-indent: 2em
}
.about_item{
    margin-top: 35px; text-align:center;
}
.about-video-box{
    width: 1200px;
    margin: 0 auto;
    margin-top: 0px;
    padding-top: 0px;
    border-top: 1px solid #999999;
}
.video_content{margin:0 auto; width:96%;}
.lib-video {
    width: 800px;
    height: 600px;
    margin-left: 200px;
    text-align: center;
}

.company-new-list-title {
    font-size: 30px;
    font-weight: bold;
    height: 60px;
    line-height: 60px;
    text-align: center;
    margin-top: 30px;
    width: 100%;
    margin-bottom: 20px;
}

    .company-new-list-title .line {
        display: inline-block;
        width: 38%;
        border-top: 1px solid #ccc;
    }

    .company-new-list-title .txt {
        color: #686868;
        margin: 0 40px;
        vertical-align: -9px;
    }