.plan-box {
    margin: 0 auto;
    padding: 100px 0;
    text-align: center;
}

.plan-box-title {
    margin-bottom: 80px;
    font-size: 38px;
    font-weight: 400;
    line-height: 30px;
    color: #333;
}

.plan-content {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    margin: 0 auto;
    width: 1220px;
    line-height: 50px;
}

.plan-content-desc {
    text-align: center;
    font-size: 18px;
    color: #666;
}

.left-img {
    position: absolute;
    top: -34px;
    left: 48px;
}

.active {
    font-size: 24px;
    font-weight: 700;
    line-height: 46px;
    color: #ff8235;
}