.article3 {
    position: relative;
}

.article3 .ar-title {
    text-align: left;
    margin-bottom: 20rem;
}

.content {
    position: relative;
    width: 100%;
    display: flex;
    gap: 80rem;
}

.content .list {
    min-width: 400rem;
    display: flex;
    flex-direction: column;
    gap: 15rem;
}

.content .list li {
    color: #222;
    display: block;
    padding: 15rem 20rem;
    font-size: 24rem;
    font-weight: 700;
    line-height: 1.5;
    border-radius: 10rem;
    background-color: #f5f5f5;
    cursor: pointer;
}

.content .list li.active {
    color: #fff;
    background-color: var(--main-color);
}

.content .right {
    position: relative;
    width: 100%;
}

.right .slide {
    width: 100%;
    padding-top: 90rem;
    display: none;
}

.right .slide.active {
    display: block;
}

.right .slide h2 {
    color: var(--main-color);
    font-size: 32rem;
    font-weight: 700;
    margin-bottom: 20rem;
}

.slide-body {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.slide-section h4 {
    color: #333;
    font-size: 22rem;
    font-weight: 700;
    margin: 15rem 0;
}

.slide-section ul {
    list-style: none;
    padding: 22rem 30rem;
    margin: 0;
    border-radius: 10rem;
    border: 1px solid #eee;
    background-color: #f5f5f5;
}

.slide-section ul li {
    color: #555;
    font-size: 17rem;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: -0.5rem;
}

.slide-section ul li::before {
    content: '· ';
}

.slide-stack img {
    height: 80rem;
    mix-blend-mode: multiply;
}

.list li .slide,
.list .li-label i,
.ar-title.mobile {
    display: none;
}




/*==================================================*/
@media (max-width: 1024px) {
    .ar-title.mobile {
        display: flex;
        margin-bottom: 50rem;
    }

    .content .right {
        display: none;
    }

    .content .list {
        min-width: unset;
        width: 100%;
        flex-direction: column;
        overflow-x: unset;
        padding: 0;
    }

    .content .list .ar-title {
        display: none;
    }

    /* li 아코디언 행 */
    .content .list li {
        color: #888;
        display: flex;
        flex-direction: column;
        padding: 0;
        font-size: 20rem;
        font-weight: 600;
        cursor: pointer;
        overflow: hidden;
    }

    /* li-label */
    .content .list li .li-label {
        color: #555;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20rem 24rem;
        font-size: 26rem;
    }

    .content .list li.active {
        background-color: transparent;
    }
    
    .content .list li.active .li-label {
        color: #fff;
        background-color: var(--main-color);
    }

    .content .list li .li-label i {
        display: inline-block;
        font-size: 30rem;
        transition: transform 0.3s;
        margin-left: auto;
    }

    .content .list li.active .li-label i {
        transform: rotate(180deg);
    }

    /* 아코디언 슬라이드 */
    .content .list li .slide {
        display: block;
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.4s ease, padding 0.3s ease;
        padding: 0 24rem;
        background: #f5f5f5;
    }

    .content .list li.active .slide {
        max-height: 2000px;
        padding: 40rem;
    }

    .slide-section h4 {
        font-size: 24rem;
    }

    .slide-section ul {
        display: flex;
        flex-direction: column;
        gap: 7px;
        background-color: #fff !important;
    }
    
    .slide-section ul li {
        flex-direction: row !important;
        gap: 10px;
        border-bottom: none !important;
        background-color: transparent !important;
    }
}


@media (max-width: 450px) {
    .content .list li {
        font-size: 30rem;
    }

    .content .list li .li-label {
        padding: 35rem;
        font-size: 40rem;
    }

    .content .list li .li-label i {
        font-size: 40rem;
    }

    .slide-section h4 {
        font-size: 36rem;
    }

    .slide-section ul li {
        color: #333;
        font-size: 26rem;
    }
}