.section3 {
    background: #fff;
    color: #333;
    justify-content: center;
    align-items: stretch;
    padding: calc(var(--header-collapsed-height) + 28px) 20px 16px;
}

.product-shell {
    width: 100%;
    display: flex;
    justify-content: center;
}

.product-container {
    width: min(1200px, 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.product-hero {
    width: min(100%, 420px);
    height: auto;
    display: block;
}

.product-tabs-row {
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 42px;
}

.product-tabs {
    width: fit-content;
    max-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    background: #fff;
    border: 1px solid #d9e7ef;
    border-radius: 10px;
    overflow: hidden;
    font-size: 16px;
    box-shadow: 1px 1px 3px 3px #eeeeee;
}

.product-tab {
    min-width: 140px;
    padding: 14px 24px;
    border: none;
    border-radius: 0;
    background: transparent;
    color: #666;
    line-height: 1.2;
    cursor: pointer;
    transition: background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.product-tab + .product-tab {
    border-left: 1px solid #d9e7ef;
}

.product-tab.active {
    background: #00aeba;
    color: #fff;
    box-shadow: none;
}

.product-tabs-more {
    font-weight: bold;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 134px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    border-radius: 10px;
    background: #00aeba;
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}

.product-tabs-more-text {
    display: inline-block;
}

.product-tabs-more-arrow {
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 7px solid #fff;
}

.product-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.product-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 18px 16px 20px;
    border-radius: 24px;
    background: linear-gradient(180deg, #d2ebff 0%, #ffffff 100%);
    box-shadow: 0 18px 40px rgba(46, 96, 135, 0.14);
}

.product-card-image-wrap {
    width: 100%;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    padding: 12px;
    margin-bottom: 50px;
}

.product-card-image {
    max-width: min(100%, 180px);
    max-height: 180px;
    width: auto;
    height: auto;
    display: block;
}

.product-card-title {
    margin: 0 0 8px;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    font-weight: 400;
}

.product-card-title-main,
.product-card-title-detail {
    display: inline;
    font-size: 14px;
    line-height: 1.6;
    font-weight: 400;
    color: #666;
}

.product-card-title-detail {
    margin-left: 4px;
}

.product-card-spec {
    margin: 0 0 14px;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.product-card-empty {
    grid-column: 1 / -1;
    min-height: 240px;
    justify-content: center;
}

.product-card-button {
    padding: 12px 28px;
    border: none;
    border-radius: 5px;
    background: #00aeba;
    color: #fff;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card-button:hover,
.product-card-button:focus-visible,
.product-tab:hover,
.product-tab:focus-visible {
    transform: translateY(-2px);
}

.product-card-button:hover,
.product-card-button:focus-visible {
    box-shadow: 0 10px 20px rgba(0, 174, 186, 0.24);
}

@media (max-width: 1199px) {
    .section3 {
        padding-top: calc(var(--header-height) + 24px);
        padding-bottom: 16px;
    }

    .product-container {
        gap: 18px;
    }

    .product-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .section3 {
        padding: 32px 20px 16px;
        min-height: 100vh;
        height: auto;
    }

    .product-container {
        gap: 16px;
    }

    .product-tabs {
        width: calc(100% - 146px);
        flex-wrap: wrap;
    }

    .product-tab {
        min-width: calc(50% - 6px);
        font-size: 16px;
        padding: 12px 18px;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .product-tabs-more {
        right: 0;
    }
}

@media (max-width: 767px) {
    .section3 {
        padding: 28px 16px 16px;
    }

    .product-container {
        gap: 14px;
    }

    .product-tab {
        min-width: 100%;
    }

    .product-tab + .product-tab {
        border-left: none;
        border-top: 1px solid #d9e7ef;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .product-tabs {
        width: 100%;
    }

    .product-tabs-more {
        position: static;
        width: 100%;
        margin-top: 12px;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }

    .product-tabs-row {
        flex-direction: column;
        align-items: stretch;
    }

    .product-card {
        padding: 16px 14px 18px;
        border-radius: 20px;
    }

    .product-card-image-wrap {
        min-height: 160px;
        padding: 12px;
    }

    .product-card-spec {
        font-size: 14px;
    }
}