.zto-sec-all-wrp {
    margin: var(--systemSpacing-0) var(--systemSpacing-80);
}

.zto-content-ctnr {
    background-color: var(--systemBG-primary);
    border-radius: var(--systemSpacing-32);
    margin-bottom: var(--systemSpacing-32);
}

.zto-content-wrp {
    max-width: var(--systemSpacing-1000);
    padding: var(--systemSpacing-80) var(--systemSpacing-0);
    margin: var(--systemSpacing-0) auto;
    width: 100%;
}

.zto-overview-txt-wrp {
    display: flex;
    flex-direction: column;
    gap: var(--systemSpacing-8);
    margin-bottom: var(--systemSpacing-40);
}

.zto-overview-tl {
    font-size: var(--h5-fontSize);
    color: var(--systemPrimary);
    font-weight: 600;
}

.zto-overview-dsc {
    font-size: var(--hl-fontSize);
    color: var(--systemSecondary);
    font-weight: 400;
    line-height: 135%;
}

.zto-img-dsc-wrp {
    display: flex;
    flex-direction: column;
    gap: var(--systemSpacing-80);
}

.zto-img-wrp img {
    display: block;
    border-radius: var(--systemSpacing-20);
    margin-bottom: var(--systemSpacing-12);
}

.zto-img-wrp .zto-img-dsc {
    font-size: var(--ch-fontSize);
    color: var(--systemTertiary);
    font-weight: 400;
    text-align: center;
}

/* zto dsc ctnr 1 title */

.zto-dsc-ctnr-1-tl {
    display: flex;
    flex-direction: column;
    gap: var(--systemSpacing-12);
}

.zto-dsc-subtl-wrp {
    display: flex;
    flex-direction: row;
    gap: var(--systemSpacing-32);
}

.zto-dsc-subtl-wrp > .zto-dsc-subtl {
    width: 100%;
}

.problem-statement-dsc-wrp {
    width: 100%;
}

.problem-statement-dsc-wrp div {
    display: flex;
    flex-direction: column;
    gap: var(--systemSpacing-12);
}

/* zto dsc ctnr 2 titles */

.zto-dsc-ctnr-2-tls {
    display: flex;
    flex-direction: row;
    gap: var(--systemSpacing-32);
    justify-content: center;
}

.zto-dsc-tl-subtl-wrp {
    display: flex;
    flex-direction: column;
    gap: var(--systemSpacing-12);
    width: 100%;
}

/* zto dsc ctnr 4 titles */

.zto-dsc-ctnr-4-tls {
    display: flex;
    flex-direction: row;
    gap: var(--systemSpacing-32);
    align-items: flex-start;
}

.zto-dsc-ctnr-4-tls > .zto-dsc-ctnr-2-tls {
    display: flex;
    flex-direction: column;
    gap: var(--systemSpacing-32);
    justify-content: center;
}

.zto-dsc-tl {
    font-size: var(--ph-fontSize);
    font-weight: 600;
    color: var(--systemSecondary);
}

.zto-dsc-subtl {
    font-size: var(--hl-fontSize);
    font-weight: 400;
    color: var(--systemPrimary);
    line-height: 150%;
}

.zto-dsc-subtl-link {
    font-size: var(--hl-fontSize);
    font-weight: 400;
    color: var(--systemPrimary);
    text-decoration: underline;
}

.zto-dsc-subtl-link:hover {
    text-decoration: none;
}

.zto-dsc-caption-wrp {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--systemSpacing-12);
}

.zto-dsc-caption {
    font-size: var(--ch-fontSize);
    color: var(--systemTertiary);
    font-weight: 400;
}


/* */
/* slide */

.slide-ctnr, .second-slide-ctnr, .third-slide-ctnr {
    position: relative;
}

.slide, .second-slide, .third-slide {
    display: none;
}

.slide img, .second-slide img, .third-slide img {
    display: block;
    border-radius: var(--systemSpacing-20);
    border: var(--systemSpacing-1) solid var(--systemQuinary);
}

.slide-txt {
    font-size: var(--p-fontSize);
    color: var(--menuCtnr-systemWhite-primary);
    font-weight: 400;
    padding: var(--systemSpacing-2);
    background-color: var(--systemBlack-pure);
}

.slide-btn, .second-slide-btn, .third-slide-btn {
    position: absolute;
    background-color: var(--systemBlack-pure);
    cursor: pointer;
    padding: 0;
    border-radius: var(--systemSpacing-48);
}


.slide-btn:hover, .second-slide-btn:hover, .third-slide-btn:hover {
    opacity: 80%;
}

.slide-btn svg, .second-slide-btn svg, .third-slide-btn svg {
    display: block;
    fill: var(--menuCtnr-systemWhite-primary);
}

.slide-btn-prev {
    top: 50%;
    left: var(--systemSpacing-12);
    transform: translate(0, -50%);
}

.slide-btn-next {
    top: 50%;
    right: var(--systemSpacing-12);
    transform: translate(0, -50%);
}

.active, .dot:hover {
    background-color: var(--systemBlack-pure);
}

.dot, .second-dot, .third-dot {
    cursor: pointer;
    width: var(--systemSpacing-12);
    height: var(--systemSpacing-12);
    margin: 0 var(--systemSpacing-2);
    border-radius: var(--systemSpacing-16);
    display: inline-block;
    transition: all 0.4s ease-in-out;
    border: var(--systemSpacing-1) solid var(--systemBlack-pure);
}

.dot-wrp {
    left: 50%;
    top: var(--systemSpacing-24);
    transform: translate(-50%, -50%);
}

.slide-txt {
    left: 50%;
    bottom: 2%;
    transform: translate(-50%, -50%);
}


/* */
/* second slide */

.active, .second-dot:hover {
    background-color: var(--systemPrimary);
}


/* */
/* Fading animation */

.fade {
    animation-name: fade;
    animation-duration: 0.5s;
}

@keyframes fade {
    from {opacity: .4}
    to {opacity: 1}
}

/* */
/* */

@media screen and (max-width: 1294px) {

    .zto-content-wrp {
        max-width: 100%;
        padding: var(--systemSpacing-60);
        margin: var(--systemSpacing-0);
    }

    .zto-dsc-tl {
        font-size: var(--p-fontSize);
    }
    
    .zto-dsc-subtl {
        font-size: var(--ph-fontSize);
    }

    .zto-dsc-subtl-link {
        font-size: var(--ph-fontSize);
    }
}


/* */
/* */

@media screen and (max-width: 960px) {

    .zto-sec-all-wrp {
        margin: var(--systemSpacing-0) var(--systemSpacing-32);
    }

    .zto-content-wrp {
        padding: var(--systemSpacing-40);
    }

    .zto-overview-tl {
        font-size: var(--h6-fontSize);
    }
    
    .zto-overview-dsc {
        font-size: var(--ph-fontSize);
    }

    
    /* zto dsc ctnr 2 titles */

    .zto-dsc-ctnr-2-tls {
        flex-direction: column;
        gap: var(--systemSpacing-32);
    }

    .zto-dsc-tl-subtl-wrp {
        gap: var(--systemSpacing-8);
        max-width: var(--systemSpacing-560);
        margin: var(--systemSpacing-0) auto;
    }

    /* zto dsc ctnr 1 title */

    .zto-dsc-ctnr-1-tl {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: var(--systemSpacing-8);
        max-width: var(--systemSpacing-560);
        margin: var(--systemSpacing-0) auto;
    }

    .zto-dsc-subtl-wrp {
        flex-direction: column;
        gap: var(--systemSpacing-8);
    }

    .zto-dsc-subtl-wrp > .zto-dsc-subtl {
        width: 100%;
    }

    /* zto dsc ctnr 1 title */

    .zto-dsc-ctnr-4-tls {
        display: flex;
        flex-direction: column;
        gap: var(--systemSpacing-32);
        align-items: center;
    }

}


/* */
/* */

@media screen and (max-width: 600px) {

    .zto-content-wrp {
        padding: var(--systemSpacing-32);
    }

    .zto-overview-tl {
        font-size: var(--hl-fontSize);
    }
    
    .zto-overview-dsc {
        font-size: var(--p-fontSize);
    }

    .zto-dsc-tl {
        font-size: var(--ch-fontSize);
    }
    
    .zto-dsc-subtl {
        font-size: var(--p-fontSize);
    }

    .zto-dsc-subtl-link {
        font-size: var(--p-fontSize);
    }
}