/* ================== 产品服务横幅 ================== */
.product-service-banner {
    width: 100%;
    margin: 0;
    padding: 0;
    line-height: 0;
    font-size: 0;
}

.product-machine-img {
    width: 100%;
    display: block;
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
}

/* ================== 产品描述 ================== */
.about-description-section {
    background-color: #605CA4;
    width: 100%;
    margin: 0;
}

.about-description-container {
    width: 100%;
    margin: 0 auto;
}

.about-description-logo {
    display: flex;
    justify-content: center;
    margin-top: calc(39px * var(--scale-ratio));
    margin-bottom: calc(53px * var(--scale-ratio));
}

.intro-logo-img {
    width: calc(231px * var(--scale-ratio));
    max-width: 100%;
    height: auto;
}

.about-description-text {
    font-size: calc(30px * var(--scale-ratio));
    color: #ffffff;
    line-height: 1.6;
    margin-bottom: calc(53px * var(--scale-ratio));
    padding: 0 calc(122px * var(--scale-ratio));
    text-indent: 2em;
}

.about-description-highlight {
    font-size: calc(34px * var(--scale-ratio));
    color: #ffffff;
    font-weight: bold;
    line-height: 1.6;
    text-align: center;
    margin-bottom: calc(30px * var(--scale-ratio));
}

.about-curve-img {
    width: 100%;
    padding-bottom: 15px;
}

/* ================== 公司使命、愿景、核心价值观 ================== */
.about-values-section {
    width: 100%;
    padding-top: calc(84px * var(--scale-ratio));
}

.about-values-container {
    width: 100%;
    margin: 0 auto;
    display: grid;
    justify-items: center;
    grid-template-columns: repeat(3, 1fr);
    box-sizing: border-box;
    padding: 0 calc(130px * var(--scale-ratio));
}

.about-value-card {
    width: calc(330px * var(--scale-ratio));
    text-align: center;
}

.about-value-icon img {
    width: calc(190px * var(--scale-ratio));
    object-fit: contain;
    margin-bottom: 15px;
}

.about-value-title {
    font-size: calc(48px * var(--scale-ratio));
    font-weight: bold;
    color: #261547;
    margin-bottom: 10px;
}

.about-value-desc {
    font-size: calc(36px * var(--scale-ratio));
    color: #3C2680;
    line-height: 1.6;
}

/* ================== 公司原则 ================== */
.about-principles-section {
    background-color: #F0EFF6;
    width: 100%;
    padding: 0 calc(96px * var(--scale-ratio));
    padding-bottom: calc(56px * var(--scale-ratio));
    padding-top: calc(50px * var(--scale-ratio));
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-direction: column;
    box-sizing: border-box;
}

.about-principles-container {
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(50px * var(--scale-ratio));
    box-sizing: border-box;
}

.about-principle-card {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
    background-color: #E1DFF0;
    border-radius: calc(30px * var(--scale-ratio));
    box-shadow: 0px 2px 10px 1px #6742D4;
}

.about-principle-image {
    width: 100%;
    overflow: hidden;
    aspect-ratio: calc(350px * var(--scale-ratio)) / calc(196px * var(--scale-ratio));
    border-radius: calc(30px * var(--scale-ratio)) calc(30px * var(--scale-ratio)) 0 0;
    background-color: #E1DFF0;
}

.about-principle-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-principle-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: calc(34px * var(--scale-ratio));
    align-items: center;
    text-align: center;
    padding: calc(24px * var(--scale-ratio)) clamp(10px, 1.5vw, 20px) clamp(20px, 2.5vw, 30px);
    box-sizing: border-box;
}

.about-principle-title {
    font-size: calc(36px * var(--scale-ratio));
    color: #3C2680;
    font-weight: bold;
    width: 100%;
    line-height: 1.4;
}

.about-principle-desc {
    font-size: calc(32px * var(--scale-ratio));
    color: #3C2680;
    line-height: 1.6;
    width: 100%;
}

@media (min-width: 769px) and (max-width: 1199px) {

    .about-description-logo {
        margin-top: 20px;
        margin-bottom: 30px;
    }

    .intro-logo-img {
        width: 120px;
        max-width: 100%;
        height: auto;
    }

    .about-description-text {
        font-size: 18px;
        margin-bottom: 30px;
        padding: 0 60px;
    }

    .about-description-highlight {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .about-values-section {
        padding-top: 60px;
    }

    .about-values-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
        padding: 0 40px;
    }

    .about-value-card {
        width: 100%;
        padding-bottom: 30px;
        border-bottom: none;
    }

    .about-value-icon img {
        width: 140px;
        margin-bottom: 20px;
    }

    .about-value-desc {
        font-size: 22px;
    }

    .about-principles-section {
        padding: 0 40px;
        padding-bottom: 40px;
    }

    .about-principles-container {
        grid-template-columns: repeat(4, 1fr);
        gap: 35px;
    }

    .about-principle-card {
        border-radius: 26px;
        box-shadow: 0px 2px 10px 1px #6742D4;
    }

    .about-principle-image {
        border-radius: 26px 26px 0 0;
        height: 200px;
    }

    .about-principle-content {
        gap: 16px;
        align-items: center;
        text-align: center;
        padding: 20px 26px;
        box-sizing: border-box;
    }

    .about-principle-title {
        font-size: 28px;
    }

    .about-principle-desc {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .about-description-logo {
        margin-top: 6px;
        margin-bottom: 16px;
    }

    .intro-logo-img {
        width: 50px;
        max-width: 100%;
        height: auto;
    }

    .about-description-text {
        font-size: 10px;
        margin-bottom: 19px;
        padding: 0 21px;
    }

    .about-description-highlight {
        font-size: 12px;
        margin-bottom: 15px;
    }

    .about-values-section {
        padding-top: 35px;
    }

    .about-values-container {
        grid-template-columns: 1fr;
        gap: 33px;
        padding: 0 4px;
    }

    .about-value-card {
        width: 100%;
        padding-bottom: 40px;
        border-bottom: 1px solid #3C2680;
    }

    .about-value-card:last-child {
        border-bottom: none;
    }

    .about-value-icon img {
        width: 100px;
        margin-bottom: 16px;
    }

    .about-value-desc {
        font-size: 15px;
    }

    .about-principles-section {
        padding: 0 15px;
        padding-bottom: 30px;
    }

    .about-principles-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .about-principle-card {
        border-radius: 30px;
        box-shadow: 0px 2px 10px 1px #6742D4;
    }

    .about-principle-image {
        border-radius: 30px 30px 0 0;
        height: 216px;
    }

    .about-principle-content {
        gap: 10px;
        align-items: center;
        text-align: center;
        padding: 12px 18px;
        box-sizing: border-box;
    }

    .about-principle-title {
        font-size: 24px;
    }

    .about-principle-desc {
        font-size: 16px;
    }
}