.knowledge-base {
    min-height: 60vh;
    padding: 64px 0 96px;
    background: #fff;
}

.knowledge-base[hidden],
.knowledge-base [hidden] {
    display: none !important;
}

.knowledge-base__inner {
    max-width: 1148px;
}

.knowledge-base .breadcrumbs {
    margin-bottom: 40px;
}

.knowledge-base__head {
    max-width: 820px;
    margin-bottom: 32px;
}

.knowledge-base__title {
    margin: 0 0 12px;
    color: var(--color-text);
    font-size: clamp(38px, 5vw, 52px);
    line-height: 1.12;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.knowledge-base__description {
    margin: 0;
    color: var(--color-soft);
    font-size: 17px;
    line-height: 1.7;
}

.knowledge-base__search-wrap {
    margin-bottom: 56px;
}

.knowledge-base__search {
    width: 100%;
    min-height: 62px;
    padding: 16px 22px;
    border: 1px solid rgba(0, 153, 255, .3);
    border-radius: 16px;
    background: #fff;
    color: var(--color-text);
    box-shadow: 0 8px 30px rgba(0, 153, 255, .08);
    font: inherit;
    font-size: 18px;
    line-height: 28px;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.knowledge-base__search::placeholder {
    color: #8992a1;
}

.knowledge-base__search:hover {
    border-color: rgba(0, 153, 255, .55);
}

.knowledge-base__search:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 4px rgba(0, 153, 255, .12), 0 10px 34px rgba(0, 153, 255, .1);
    outline: none;
}

.knowledge-base__search-status {
    min-height: 20px;
    margin: 10px 2px 0;
    color: var(--color-soft);
    font-size: 13px;
    line-height: 20px;
}

.knowledge-base__catalog {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.knowledge-base__section {
    min-width: 0;
}

.knowledge-base__section-head {
    position: relative;
    margin-bottom: 28px;
    padding: 0 0 20px 18px;
    border-bottom: 1px solid var(--color-line);
}

.knowledge-base__section-head::before {
    position: absolute;
    top: 2px;
    bottom: 20px;
    left: 0;
    width: 4px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--color-orange), var(--color-blue));
    content: '';
}

.knowledge-base__section-title {
    margin: 0;
    color: var(--color-text);
    font-size: 28px;
    line-height: 1.3;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.knowledge-base__node-heading {
    display: flex;
    min-width: 0;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px 24px;
}

.knowledge-base__material-count {
    flex: none;
    color: var(--color-soft);
    font-size: 14px;
    line-height: 1.5;
    font-weight: 400;
    white-space: nowrap;
}

.knowledge-base__section-title a,
.knowledge-base__group-title a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}

.knowledge-base__section-title a:hover,
.knowledge-base__section-title a:focus-visible,
.knowledge-base__group-title a:hover,
.knowledge-base__group-title a:focus-visible {
    color: var(--color-blue);
    outline: none;
}

.knowledge-base__section-title a:focus-visible,
.knowledge-base__group-title a:focus-visible {
    border-radius: 4px;
    box-shadow: 0 0 0 3px rgba(0, 153, 255, .14);
}

.knowledge-base__section-description {
    max-width: 76ch;
    margin: 8px 0 0;
    color: var(--color-soft);
    font-size: 15px;
    line-height: 1.65;
}

.knowledge-base__group {
    min-width: 0;
    margin-top: 34px;
    padding-left: 22px;
    border-left: 2px solid #e8edf3;
}

.knowledge-base__group-head {
    margin-bottom: 16px;
}

.knowledge-base__group-title {
    margin: 0;
    color: var(--color-text);
    font-size: 20px;
    line-height: 1.4;
    font-weight: 650;
    overflow-wrap: anywhere;
}

.knowledge-base__children {
    display: flex;
    flex-direction: column;
}

.knowledge-base__links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.knowledge-base__link-item {
    min-width: 0;
}

.knowledge-base__link {
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 15px;
    border: 1px solid #e9eef4;
    border-radius: 12px;
    background: #f9fbfd;
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.45;
    font-weight: 500;
    text-decoration: none;
    overflow-wrap: anywhere;
    transition: border-color .2s ease, background-color .2s ease, color .2s ease, transform .2s ease;
}

.knowledge-base__link:hover,
.knowledge-base__link:focus-visible {
    border-color: rgba(0, 153, 255, .35);
    background: #f3faff;
    color: var(--color-blue);
    outline: none;
    transform: translateY(-1px);
}

.knowledge-base__link:focus-visible {
    box-shadow: 0 0 0 3px rgba(0, 153, 255, .12);
}

.knowledge-base__link-arrow {
    flex: none;
    color: var(--color-blue);
    font-size: 18px;
    transition: transform .2s ease;
}

.knowledge-base__link:hover .knowledge-base__link-arrow,
.knowledge-base__link:focus-visible .knowledge-base__link-arrow {
    transform: translateX(3px);
}

.knowledge-base__results {
    display: grid;
    gap: 16px;
    min-width: 0;
}

.knowledge-base__result {
    min-width: 0;
    padding: 24px 26px;
    border: 1px solid #e9eef4;
    border-radius: 16px;
    background: #f9fbfd;
    overflow-wrap: anywhere;
}

.knowledge-base__result-title {
    margin: 0 0 8px;
    font-size: 21px;
    line-height: 1.4;
    font-weight: 650;
}

.knowledge-base__result-title a {
    border-radius: 4px;
    color: var(--color-text);
    text-decoration: none;
    transition: color .2s ease;
}

.knowledge-base__result-title a:hover,
.knowledge-base__result-title a:focus-visible {
    color: var(--color-blue);
}

.knowledge-base__result-title a:focus-visible {
    outline: 2px solid var(--color-blue);
    outline-offset: 4px;
}

.knowledge-base__result-path {
    margin: 0 0 10px;
    color: var(--color-soft);
    font-size: 13px;
    line-height: 1.6;
}

.knowledge-base__result-snippet {
    margin: 0;
    color: var(--color-soft);
    font-size: 15px;
    line-height: 1.7;
}

.knowledge-base__result mark {
    border-radius: 3px;
    background: #fff0d5;
    color: var(--color-text);
}

.knowledge-base__empty {
    padding: 28px;
    border: 1px dashed rgba(0, 153, 255, .32);
    border-radius: 16px;
    background: #f8fcff;
    color: var(--color-soft);
    font-size: 15px;
    line-height: 1.6;
}

@media (max-width: 760px) {
    .knowledge-base {
        padding: 32px 0 64px;
    }

    .knowledge-base .breadcrumbs {
        margin-bottom: 26px;
    }

    .knowledge-base__head {
        margin-bottom: 26px;
    }

    .knowledge-base__title {
        font-size: 34px;
    }

    .knowledge-base__description {
        font-size: 16px;
    }

    .knowledge-base__search-wrap {
        margin-bottom: 42px;
    }

    .knowledge-base__search {
        min-height: 56px;
        padding: 13px 16px;
        border-radius: 14px;
        font-size: 16px;
    }

    .knowledge-base__catalog {
        gap: 48px;
    }

    .knowledge-base__result {
        padding: 18px;
    }

    .knowledge-base__result-title {
        font-size: 18px;
    }

    .knowledge-base__section-head {
        margin-bottom: 22px;
        padding-bottom: 16px;
        padding-left: 14px;
    }

    .knowledge-base__section-head::before {
        bottom: 16px;
        width: 3px;
    }

    .knowledge-base__section-title {
        font-size: 24px;
    }

    .knowledge-base__node-heading {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 4px 12px;
    }

    .knowledge-base__material-count {
        white-space: normal;
    }

    .knowledge-base__group {
        margin-top: 28px;
        padding-left: 14px;
    }

    .knowledge-base__group-title {
        font-size: 18px;
    }

    .knowledge-base__links {
        grid-template-columns: minmax(0, 1fr);
        gap: 9px;
    }

    .knowledge-base__link {
        min-height: 50px;
        padding: 11px 13px;
        font-size: 14px;
    }
}