@import "style.css";

main {
    width: 100%;
}

.bigimg {
    width: 68vw;
    height: calc(512/1330 * 68vw);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

.bigimg img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.foundation-content-box {
    width: 68vw;
    margin: 30px auto 0;
}

.foundation-content-box .foundation-tit {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 50px auto 40px;
}

.foundation-content-box .foundation-tit .en {
    font-size: 34px;
    font-weight: 700;
    color: var(--color-1);
}

.foundation-content-box .foundation-tit .cn {
    font-size: 30px;
    font-weight: 500;
    color: #212529;
}

.foundation-content {
    width: 960px;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 60px;
}

.foundation-content .content-tit {
    font-size: 30px;
    font-weight: 500;
    color: #0073C2;
    padding: 0;
}

.foundation-content .content-desc {
    font-size: 14px;
    color: #6C98B7;
    text-align: center;
    line-height: 2;
    padding: 10px 0;
    text-align: left;
}

.foundation-content section {
    font-size: 16px;
    color: var(--color-2);
    line-height: 2;
    padding-bottom: 20px;
}

@media screen and (max-width: 1200px) {
    .foundation-content {
        max-width: 100%;
    }
}

@media screen and (max-width: 1330px) and (min-width: 768px) {
    .bigimg {
        width: 92vw;
        height: calc(512 / 1330 * 92vw);
    }

    .foundation-content-box {
        width: 92vw;
        margin: 1rem auto 0;
    }
}

@media screen and (max-width: 1023px) and (min-width: 768px) {}

@media screen and (max-width: 767px) {
    .bigimg {
        width: 100vw;
        height: calc(512 / 1330 * 100vw);
    }

    .foundation-content {
        padding-bottom: 2rem;
    }
    
    .foundation-content-box {
        width: 100vw;
        margin: 0;
        padding: 1rem;
    }

    .foundation-content .content-tit {
        font-size: 1.45rem;
    }

    .foundation-content .content-desc {
        font-size: 0.75rem;
    }

    .foundation-content section {
        font-size: 0.875rem;
        padding-bottom: 1.5rem;
    }
}