#about {
    padding: 50px 0;
}

#about .tab {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #E4E7ED;
}

#about .tab .item {
    padding: 0 20px;
    font-size: 22px;
    font-weight: 700;
    border: 1px solid #E4E7ED;
    margin-bottom: -1px;
    cursor: pointer;
    line-height: 40px;
    margin-right: -1px;
}

#about .tab .tab-active {
    color: #2ab5a3;
    border-bottom-color: #ffffff;

}

#about .content .content-active {
    display: block !important;
}

#about .content .item {
    display: none;
    padding: 30px 0;
}

#about .content .item .introduction {
    display: flex;
    flex-wrap: wrap;
}

#about .content .item .introduction .title {
    font-size: 34px;
    color: #303133;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 20px;
}

#about .content .item .introduction hr {
    margin: 0 0 30px;
    height: 4px;
    width: 100px;
    background: #303133;
    border: none;
}

#about .content .item .introduction .text {
    font-size: 18px;
    margin-bottom: 20px;
    margin-top: 0;
    color: #606266;
    line-height: 1.8;
}

#about .content .item .introduction .banner {
    width: 100%;
    height: 642px;
    display: block;
}

#about .content .item .introduction .line {
    font-size: 16px;
    color: #303133;
    margin-top: 0;
    margin-bottom: 30px;
}

#about .content .item .introduction .line img {
    height: 16px;
    width: 16px;
}

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

#about .content .item .culture .line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 30px;
}

#about .content .item .culture .line img {
    height: 85px;
    width: 100%;
}

#about .content .item .culture .line .title {
    font-size: 22px;
    color: #303133;
    margin-top: 0;
    margin-bottom: 10px;
}

#about .content .item .culture .line .desc {
    font-size: 16px;
    color: #606266;
}

#about .content .item .culture img {
    width: 100%;
    height: 421px;
}

#about .content .item .advantage {
    display: flex;
    flex-wrap: wrap;
}

#about .content .item .advantage .banner {
    height: 621px;
    width: 100%;
    display: block;
}

#about .content .item .advantage img {
    width: 100%;
    height: 106px;
    display: block;
}

#about .content .item .advantage .line {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
    align-items: center;
}

#about .content .item .advantage .line .title {
    font-size: 22px;
    font-weight: 700;
    color: #303133;
    margin-top: 0;
    margin-bottom: 10px;
}

#about .content .item .advantage .line .desc {
    font-size: 16px;
    color: #606266;
    margin: 0;
}