#area4-1 {
    position: relative;
    width: 100%;
    background-color: #1E59FF;
}

#area4-1 .background-container {
    position: relative;
    top: -50px;
    width: 100%;
}

#area4-1 .icon1 {
    position: absolute;
    left: 0;
    bottom: 0;
}

#area4-1 .icon1 img {
    width: 600px;
    height: auto;
}

#area4-1 .icon2 {
    position: absolute;
    right: 0;
    bottom: 0;
}

#area4-1 .icon2 img {
    width: 450px;
    height: auto;
}

#area4-1 .icon3 {
    position: absolute;
    right: 0;
    bottom: 0;
    display: none;
}

#area4-1 .icon3 img {
    width: 450px;
    height: auto;
}

#area4-1 .bg {
    width: 100%;
    height: 600px;
}

#area4-1 .bg img {
    width: 100%;
    height: 600px;
    display: block;
}

#area4-1 .mobileBg {
    width: 100%;
    display: none;
}

#area4-1 .mobileBg img {
    width: 100%;
    height: auto;
    display: block;
}

#area4-1 .content-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    padding-top: 80px;
}

#area4-1 .content-container {
    display: flex;
    flex-direction: column;
}

#area4-1 .section-title {
    color: #fff;
    margin-top: 0px;
    margin-bottom: 40px;
    font-size: 32px;
    text-align: center;
}

#area4-1 .items-container {
    display: flex;
    justify-content: space-between;
    min-width: 600px;
}

#area4-1 .item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

#area4-1 .item-icon {
    width: 100%;
}

#area4-1 .item-icon .item-icon-img-1 {
    width: 100%;
    height: auto;
}

#area4-1 .item-icon .item-icon-img-2 {
    width: 277px;
    height: 216px;
}

/* 針對 0px 到 849px 的螢幕寬度 */
@media screen and (max-width: 849px)and (min-width: 0px) {
    #area4-1 .background-container {
        position: relative;
        top: -20px;
        width: 100%;
    }

    #area4-1 .icon1 {
        display: none;
    }

    #area4-1 .icon2 {
        display: none;
    }

    #area4-1 .icon3 {
        display: block;
    }

    #area4-1 .bg {
        display: none;
    }

    #area4-1 .mobileBg {
        display: block;
        max-height: 1200px;
    }

    #area4-1 .mobileBg img {
        width: 100%;
        height: 1000px;
    }

    #area4-1 .items-container {
        flex-direction: column;
        gap: 60px
    }

    #area4-1 .section-title {
        font-size: 24px;
    }

    #area4-1 .item-icon .item-icon-img-1 {
        width: 162px;
        height: 171px;
    }

    #area4-1 .item-icon .item-icon-img-2 {
        width: 213px;
        height: 166px;
    }
}