#culture {
    padding: 50px 0;

}

#culture .tab {
    display: flex;
    align-items: center;
    border-bottom: 2px solid #e4e7ed;
    flex-wrap: wrap;
}

#culture .tab .tab-active {
    border-bottom: 2px solid #409EFF !important;
}

#culture .tab .item {
    margin-bottom: -2px;
    font-size: 22px;
    color: #303133;
    cursor: pointer;
    padding: 0 30px;
    box-sizing: border-box;
    line-height: 40px;
    border-bottom: 2px solid #e4e7ed;
    text-decoration: none;
    white-space: nowrap;
}

#culture .content .item {
    display: none;
}

#culture .content .item .distance {
    padding: 50px 0;
}

#culture .content .content-active {
    display: block;
}

#culture .content .item .common-title {
    border-bottom: 1px solid #dcdfe6;
    text-align: center;
}

#culture .content .item .common-title .cn {
    display: inline-block;
    border-bottom: 1px solid #1fb47d;
    padding-bottom: 8px;
    font-size: 30px;
    color: #303133;
}

#culture .content .item .en {
    padding-top: 8px;
    font-size: 15px;
    color: #606266;
    text-align: center;
    padding-bottom: 20px;
}

#culture .content .item .text {
    color: #666666;
    text-indent: 32px;
}

#culture .content .item .img-list {
    display: flex;
    flex-wrap: wrap;
}

#culture .content .item .img-list .box {
    margin: 0 10px;
}

#culture .content .item .img-list .box img {
    width: 100%;
    height: 220px;
    border: 2px solid #dcdfe6;

}

#culture .content .item .video {
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 26px;
    color: #666;
    font-weight: 700;
}

#culture .content .item iframe {
    width: 100%;
    height: 700px;
    border: 1px solid #dcdfe6;
    box-shadow: 0 0 3px 3px #dcdfe6;
}