section.first {
    padding-top: calc(72 * var(--rpx));
    background: linear-gradient(to bottom, #dde0e8, #ffffff);
}

section.intro {
    padding-top: calc(100 * var(--rpx));
    padding-bottom: calc(150 * var(--rpx));
}

.section-title {
    color: #000000;
}

section.intro .section-title {
    margin-bottom: calc(42 * var(--rpx));
}

.intro .section-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.intro .left {
    /*
    *600px at 1920
    *360px at 960
    */
    width: calc(25vw + 120px);
}

.intro .left img {
    display: block;
    width: 100%;
    height: auto;
}

.intro .right {
    width: calc(100% - (25vw + 120px) - 40px);
    line-height: calc(36em / 20);
    /*font-size: calc(20rem / 16);*/
    text-align: justify;
    /*font-weight: lighter;*/
}

section.concept {
    height: 90vh;
    min-height: calc(600 * var(--rpx));
}

.concept .wrapper {
    position: absolute;
    z-index: 210;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.concept .title {
    position: absolute;
    top: calc(90 * var(--rpx));
    font-size: calc(36 * var(--rpx));
    font-weight: bold;
}

.concept .desc h2{
    /*font-size: 1.25rem;*/
    /* line-height: 1.75em; */
    /* line-height: calc(34em / 20); */
}

.concept .desc p {
    max-width: 50%;
    font-size: calc(16rem / 16);
    line-height: calc(34em / 20);
    margin-top: calc(10rem / 16);
}

.concept .desc strong {
    /* font-size: calc(38 * var(--rpx)); */
    font-size: calc(20rem / 16);
    line-height: calc(48em / 38);
    font-weight: bold;
}

.logo .row1 {
    padding-top: calc(140 * var(--rpx));
    padding-bottom: calc(36 * var(--rpx));
}

.logo .row2 {
    position: relative;
    height: calc(400 * var(--rpx));
}

.logo .row2 .wrapper {
    position: absolute;
    height: 100%;
    left: 0;
    right: 0;
    margin: auto;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 220;
}

.logo .row2 .logo1 {
    /*
    *362px at 1920
    *280px at 960
    */
    width: calc(8.542vw + 198px);
    height: auto;
    margin-bottom: calc(24 * var(--rpx));
}

.logo .row2 .logo2 {
    /*
    *1074px at 1920
    *720px at 960
    */
    width: calc(36.875vw + 366px);
    height: auto;
}

.logo .row3 .wrapper {
    padding-top: calc(70 * var(--rpx));
    padding-bottom: calc(70 * var(--rpx));
}

.interpret-list {
    display: flex;
    justify-content: space-between;
    /*
    *140px at 1920
    *40px at 960
    */
    --gap: calc(10.417vw - 60px);
    margin-right: calc(-1 * var(--gap));
}

.interpret {
    width: calc(100% / 3 - var(--gap));
    flex: 0 0 auto;
    margin-right: var(--gap);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.interpret .title {
    font-size: calc(14rem / 16);
    line-height: calc(24em / 14);
    min-width: calc(40em / 14);
    padding: calc(8em / 14) calc(10em / 14);
    color: #fff;
    text-align: center;
    background: linear-gradient(156deg, rgb(221, 187, 193) 0%, rgb(72, 192, 206) 50%, rgb(80, 155, 223) 100%);
    margin-bottom: calc(24 * var(--rpx));
    border-radius: calc(20em / 14) calc(20em / 14) 0 calc(20em / 14);
}


.interpret .desc {
    /*font-size: calc(20rem / 16);*/
    /*font-weight: lighter;*/
    line-height: calc(36em / 20);
}

@media (max-width: 960px) {}

@media (max-width: 750px) {


    .intro .section-content {
        display: block;
    }

    .intro .left {
        width: 100%;
        margin-bottom: calc(20 * var(--rpx));
    }

    .intro .right {
        width: 100%;
        line-height: 2em;
    }

    .logo .row1 {
        padding-top: calc(90 * var(--rpx));
    }

    .logo .row2 .logo1 {
        width: 75%;
    }

    .logo .row2 .logo2 {
        width: 100%;
    }

    .interpret-list {
        display: flex;
        flex-direction: column;
        width: 100%;
        --gap: calc(36 * var(--rpx));
    }

    .interpret {
        width: 100%;
        margin-bottom: var(--gap);
        display: flex;
        flex-direction: row;
    }

    .interpret .title {
        flex: 0 0 auto;
        margin-right: calc(24 * var(--rpx));
    }

    .header-back {
        object-position: 45% center;
    }

    .concept .desc strong {
        font-size: calc(28 * var(--rpx));
    }

    .concept .title {
        position: relative;
        top: 0;
        margin-bottom: calc(24 * var(--rpx));
    }

    .concept .wrapper {
        justify-content: flex-start;
        padding-top: calc(120 * var(--rpx));
        padding-bottom: calc(120 * var(--rpx));
    }
}

@media (max-width: 600px) {
    .page-header .wrapper{
        justify-content: start;
        padding-top: 20vh;
    }
}