#section2 {
    position: relative;
    width: 100%;
    height: 20.8625rem;
    overflow: hidden;
}

.bg2 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20.8625rem;
    background-size: cover;
    background-position: center;
    transition: opacity 1s ease;
    background-image: url('/images/product images/色相／饱和度 9@2x.png');
    opacity: 1;
    z-index: 1;
}

.text2 {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #000;
}

.text2 .title {
    font-size: 0.375rem;
    font-weight: bold;
    margin-top: 0.8125rem;
}

.text2 .subtitle {
    color: #555555;
    font-weight: bold;
    font-size: 0.225rem;
    margin-top: 0.1875rem;

}

.text2 .description {
    color: #666666;
    font-size: 0.2rem;
    margin-top: 0.275rem;
    width: 16.9375rem;
    text-align: left;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    max-width: 15rem;
    row-gap: 0.4rem;
    column-gap: 1.375rem;
    z-index: 2;
    position: relative;
    justify-content: center;
    margin: 0.625rem auto;
    /* ✅ 水平居中整个容器 */
}

.card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: white;
    width: 6.075rem;
    height: 3.5rem;
}

.card img {
    width: 0.8rem;
    height: 0.8rem;
    margin-top: 0.1rem;
    margin-bottom: 0.125rem;
}

.card-title {
    font-size: 0.225rem;
    font-weight: bold;
    margin-bottom: 0.1625rem;
}

.card-text {
    margin-left: 0.625rem;
    margin-right: 0.625rem;
    font-size: 0.2rem;
    color: #666;
    text-align: left;
}


.section2-bottom-image {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1.2375rem 3.5125rem;
    height: 8.425rem;
}