/* Длинный исходный каталог продукции: раскрытие и алфавитные группы. */
body.st-commercial-v4 .sc4-article .sc4-product-directory {
    padding: 0;
    border: 1px solid #e5e1ee;
    border-radius: 20px;
    background: #faf9fd;
}

body.st-commercial-v4 .sc4-product-directory > summary {
    padding: 24px;
    color: #4b3f83;
    font-size: 17px;
    font-weight: 650;
    line-height: 1.5;
}

body.st-commercial-v4 .sc4-product-directory[open] > summary {
    margin: 0;
    border-bottom: 1px solid #e5e1ee;
}

body.st-commercial-v4 .sc4-product-directory__groups {
    columns: 2 240px;
    column-gap: 32px;
    padding: 24px;
}

body.st-commercial-v4 .sc4-product-directory__group {
    break-inside: avoid-column;
    margin: 0 0 28px;
}

body.st-commercial-v4 .sc4-product-directory__group h3 {
    margin: 0 0 12px;
    color: #6952bc;
    font-size: 25px;
}

body.st-commercial-v4 .sc4-product-directory__group ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

body.st-commercial-v4 .sc4-product-directory__group li {
    margin: 0;
    padding: 0;
    font-size: 13px;
    line-height: 1.6;
}

body.st-commercial-v4 .sc4-product-directory__group a {
    display: block;
    padding: 5px 0;
    text-decoration: none;
    overflow-wrap: anywhere;
}

body.st-commercial-v4 .sc4-product-directory__group a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 640px) {
    body.st-commercial-v4 .sc4-product-directory > summary {
        padding: 18px;
        font-size: 15px;
    }

    body.st-commercial-v4 .sc4-product-directory__groups {
        columns: 1;
        padding: 18px;
    }
}