.how-to-use .section-title{
    font-size: 24px;
}

.how-to-use .sec-1{
    margin-top: 120px;
}
.how-to-use .sec-1 .vod-holder{
    width: 910px; height: 500px;
    margin: 28px auto 33px;
}
.how-to-use .sec-1 .vod-holder embed{
    width:100%; height:100%;
}

.how-to-use .sec-2{
    margin-top: 125px;
}
.how-to-use .sec-2 .mhuBox-root__inner{
}

.how-to-use .sec-2 .tabs-wrapper{
    padding-bottom: 120px;
}
.how-to-use .sec-2 .tab-content{
    margin-top: 112px;
    width: 1024px;
    height: 1568px;
}

.how-to-use .sec-2 .step-list{
    padding: 0 16px;
    counter-reset:step-number;
}
.how-to-use  .sec-2 .step-list__item{
    display: flex;
    justify-content: space-between;
    counter-increment:step-number;

}
.how-to-use .sec-2 .step-list__item:not(:first-child){
    margin-top: 72px;
}
.how-to-use .sec-2 .step-list__item .text-holder{
    padding-right: 10px;
}
.how-to-use .sec-2 .step-list__item .text-holder:before{
    display: block;
    width: 61px;
    border-top: 1px solid var(--color-secondary);
    color:var(--color-secondary);
    font-weight: 700;
    font-size: 18px;
    line-height: 32px;
    content:'STEP ' counter(step-number);
}
.how-to-use .sec-2 .step-list__item .text-holder .title{
    color: var(--color-pick-1);
    font-weight: bold;
    font-size: 24px;
    line-height: 40px;
    letter-spacing: 0.01em;
}
.how-to-use .sec-2 .step-list__item .text-holder .desc{
    margin-top: 24px;
    color: black;
    font-size: 15px;
    line-height: 24px;
}
.how-to-use .sec-2 .step-list__item .text-holder .desc p:not(:first-child){
    margin-top: 20px;
}
.how-to-use .sec-2 .step-list__item .img-holder{
    position: relative;
    flex-shrink:0;
    width: 480px;
    overflow: hidden;
}
.how-to-use .sec-2 .step-list__item .img-holder img{
    width: 100%;
    opacity: 0.2;
    transform: scale(1.05);
    transition: transform 0.5s 0.15s ease-in-out, opacity 0.5s 0.15s ease-in-out;
}
.how-to-use .sec-2 .step-list__item .img-holder:before{
    display: block;
    position: absolute; left:0; top:0; z-index:1;
    width: 100%;
    height:100%;
    background: rgba(0, 0, 0, 0.8);
    opacity: 1;

    transition: left 0.5s ease-in-out,right 0.5s ease-in-out, opacity 0.5s ease-in-out;
    /*transition: opacity 0.3s ease-in-out;*/
    content:'';
}

.how-to-use .sec-2 .step-list__item .img-holder.animate:before{
    opacity: 0;
    width: 100%;
    left: 100%;
}
.how-to-use .sec-2 .step-list__item .img-holder.animate img{
    transform: scale(1);
    opacity: 1;
}