#buyNowScrollToTopContainer {
    position: fixed;
    top: 75px;
    left: 50%;
    padding: 0.75rem 1rem;
    background-color: #f5f5f5;
    color: #252525;
    border: 1px solid #c2c2c2;
    border-radius: 0px 0px 10px 10px;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    width: 100%;
    max-width: 700px;
    transition: transform 0.4s ease-in, opacity 0.4s ease-in;
    opacity: 0;
    transform: translateX(-50%) translateY(-100px);
    pointer-events: none;
}

#buyNowScrollToTopContainer.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

#buyNowScrollToTopContainer .atbContent {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#buyNowScrollToTopContainer .atbThumb {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

#buyNowScrollToTopContainer .atbThumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

#buyNowScrollToTopContainer .atbInfo {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#buyNowScrollToTopContainer #atbName {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.3;
    color: #252525;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    margin: 0;
    text-align: center;
}

#buyNowScrollToTopContainer .atbPriceWrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: space-around;
}

#buyNowScrollToTopContainer .atbPriceWrap .atbOriginal {
    font-size: 1rem;
    font-weight: 400;
    color: #999;
    text-decoration: line-through;
    margin: 0;
}

#buyNowScrollToTopContainer .atbPriceWrap .atbBadge {
    font-size: 0.75rem;
    font-weight: 700;
    color: #ffffff;
    background-color: #e74c3c;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    line-height: 1;
    white-space: nowrap;
}

#buyNowScrollToTopContainer #atbPrice {
    font-size: 1.5rem;
    font-weight: 700;
    color: #252525;
    margin: 0;
}

#buyNowScrollToTopContainer .atbBtnWrap {
    flex-shrink: 0;
}

#buyNowScrollToTopContainer .atbBtnWrap button {
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: 8px;
    background-color: #252525;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    line-height: normal;
}

#buyNowScrollToTopContainer .atbBtnWrap button:hover {
    background-color: #3a3a3a;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#buyNowScrollToTopContainer .atbBtnWrap button:active {
    background-color: #1a1a1a;
    transform: translateY(0);
}

@media screen and (max-width: 1024px) {
    #buyNowScrollToTopContainer {
        max-width: 100%;
        padding: 0.75rem;
    }

    #buyNowScrollToTopContainer .atbContent {
        gap: 0.75rem;
    }

    #buyNowScrollToTopContainer .atbThumb {
        width: 60px;
        height: 60px;
    }

    #buyNowScrollToTopContainer #atbName {
        font-size: 0.85rem;
        -webkit-line-clamp: 1;
        line-clamp: 1;
    }

    #buyNowScrollToTopContainer .atbPriceWrap .atbOriginal {
        font-size: 0.9rem;
    }

    #buyNowScrollToTopContainer .atbPriceWrap .atbBadge {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }

    #buyNowScrollToTopContainer #atbPrice {
        font-size: 1.25rem;
    }

    #buyNowScrollToTopContainer .atbBtnWrap button {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 640px) {
    #buyNowScrollToTopContainer {
        padding: 0.6rem;
    }

    #buyNowScrollToTopContainer .atbThumb {
        width: 50px;
        height: 50px;
    }

    #buyNowScrollToTopContainer #atbName {
        /* display: none; */
        text-align: center;
        margin-bottom: 5px;
    }

    #buyNowScrollToTopContainer .atbPriceWrap .atbOriginal {
        font-size: 0.85rem;
    }

    #buyNowScrollToTopContainer .atbPriceWrap .atbBadge {
        font-size: 0.65rem;
        padding: 0.15rem 0.35rem;
    }

    #buyNowScrollToTopContainer #atbPrice {
        font-size: 1.1rem;
    }

    #buyNowScrollToTopContainer .atbBtnWrap button {
        padding: .3rem .5rem;
        font-size: 0.85rem;
    }
}