:root {
    --violet: #AD83FF;
    --base-font: Ony One;
}


.knowledge_base_tiles_wrapper {
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;
}

h1 {
    font-family: ONY One;
    font-weight: 500;
    font-size: 30px;
    line-height: 100%;
    letter-spacing: 0%;
    text-align: center;
    vertical-align: middle;
    margin-bottom: 32px;
}

.knowledge_base_tiles_grid {
    width: 100%;
    max-width: 1361px;
    margin: 0 auto;
    display: grid;
    gap: 32px 24px;
    grid-template-columns: 1fr 1fr;
    
    align-items: start; 
}

.knowledge_base_tiles_grid.empty{
    display: block;
    text-align: center;
}

.knowledge_base_tile {
    width: 100%;
    display: flex;
    gap: 24px;
    flex-direction: row;
    max-height: 160px;
    /*overflow: hidden;*/
}

.knowledge_base_tile .left_image {
    flex-shrink: 0;
}

.knowledge_base_tile .left_image img {
    width: 100%; 
    height: auto;
    max-height: 160px;
    aspect-ratio: 282 / 160;
    object-fit: cover;
}

.knowledge_base_tile .right_info {
    padding-top: 4px;
    display: flex;
    flex-direction: column;
    text-align: left;
    flex: 1 1 0;
    min-width: 0; 
    width: 100%; 
    /*max-width: calc(1361px / 2 - 280px);*/
    
    /* justify-content: space-between; */
}

.knowledge_base_tile h2 {
    font-family: ONY One;
    font-weight: 500;
    font-size: 18px;
    line-height: 115%;
    letter-spacing: 0%;
    vertical-align: middle;
    margin: 0 0 8px 0;
}

.knowledge_base_tile .date {
    font-family: ONY One;
    font-weight: 400;
    font-size: 15px;
    line-height: 100%;
    letter-spacing: 0%;
    color: var(--violet);
    margin: 0 0 16px 0;
}

.knowledge_base_tile .authors {
    font-family: ONY One;
    font-weight: 500;
    font-size: 16px;
    line-height: 115%;
    letter-spacing: 0%;
    vertical-align: middle;
    margin: 0 0 8px 0;
}

.knowledge_base_tile .annotation {
    font-family: ONY One;
    font-weight: 400;
    font-size: 18px;
    line-height: 115%;
    letter-spacing: 0%;
    vertical-align: middle;
    margin: 0;
    flex-shrink: 0;
}

.knowledge_base_tile .annotation.truncate {
    display: block; 
    min-width: 0; 
    overflow: hidden; 
    text-overflow: ellipsis;
    
    /* Современный способ обрезки до N строк */
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    
    /* Разрешаем перенос длинных слов */
    word-wrap: break-word;
    overflow-wrap: break-word;
    /*hyphens: auto;*/
}

.four_rows_annotation .knowledge_base_tile .annotation.truncate{
    -webkit-line-clamp: 4;
}

.section_load_more {
    display: flex;
    justify-content: center;
    margin-top: 32px;
    width: 100%;
    clear: both;
}

.btn_load_more {
    background-color: #ECECEC;
    color: #313332;
    border: none;
    /*padding: 14px 27px;*/
    height: 48px;
    width: 198px;
    font-family: "Ony One";
    font-weight: 400;
    font-size: 18px;
    line-height: 110%;
    cursor: pointer;
}

@media (max-width:1300px) {
    .knowledge_base_tiles_wrapper {
        padding: 0 87px;
    }

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

@media (max-width: 900px) {
    .knowledge_base_tiles_wrapper {
        padding: 0 24px;
    }

    .knowledge_base_tile {
        gap: 16px;
        max-height: 129px;
    }

    .knowledge_base_tile .left_image img {
        max-height: 129px;
    }
}

@media (max-width: 690px) {
    h1 {
        font-size: 20px;
        text-align: left;
        margin: 0 16px 24px;
    }

    .knowledge_base_tiles_wrapper {
        padding: 0 16px;
    }

    .knowledge_base_tiles_grid {
        gap: 16px;
    }

    .knowledge_base_tile {
        flex-direction: column;
        max-height: none;
    }
    

    .knowledge_base_tile .left_image img {
        max-height: 400px;
    }


    .knowledge_base_tile .right_info .date {
        font-family: ONY One;
        font-weight: 400;
        font-size: 14px;
        line-height: 100%;
        letter-spacing: 0%;
        color: var(--violet);
        margin: 0 0 16px 0;
    }


    .knowledge_base_tile .right_info h2,
    .knowledge_base_tile .right_info .authors,
    .knowledge_base_tile .right_info .annotation {
        font-size: 16px;
    }
    
    
    .knowledge_base_tile .right_info {
        padding-top: 0;
    }
    
    .section_load_more {
        margin-top: 24px;
    }
    
    .btn_load_more {
        width: 182px;
        font-size: 16px;
    }

}