.ly_news_31 .txt_box {
    text-align: center;
    margin-bottom: 80px
}

.ly_news_31 .txt_box span {
    display: block
}

.ly_news_31 .txt_box .txt_title {
    margin-bottom: 10px
}

.ly_news_31 .news_box {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(3, 1fr)
}

.ly_news_31 .txt_box .txt_content {
    margin-top: 30px
}

.ly_news_31 .img_box {
    position: relative;
    overflow: hidden
}

.ly_news_31 .item_box {
    position: relative
}

.ly_news_31 .item_box .info_box {
    margin-top: 30px
}

.ly_news_31 .item_box .info_box .i_title h3{
    font-size: 1rem;
    line-height: 28px;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden
}

.ly_news_31 .item_box .info_box .i_subtitle {
    margin-top: 24px;
    line-height: 28px;
    font-size: 16px;
    color: #777777;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden
}

.ly_news_31 .item_box .info_box .i_item_button {
    display: inline-block;
  
}

.ly_news_31 .i_botton_box {
    text-align: center
}

.ly_news_31 .i_botton_box .i_botton {
    display: inline-block;
    padding: 0 34px;
    margin: 50px auto 0;
    height: 42px;
    line-height: 42px;
    border-radius: 21px;
    box-sizing: border-box;
    font-size: 16px
}

.ly_news_31 a:hover {
    text-decoration: none
}

@media screen and (max-width: 1000px) {
    .ly_news_31 .news_box {
        margin-top: 20px;
        gap: 30px
    }

    .ly_news_31 .txt_box {
        margin-bottom: 30px
    }

    .ly_news_31 .item_box .info_box {
        margin-top: 15px
    }

    .ly_news_31 .item_box .info_box .i_date {
        margin-top: 15px
    }

    .ly_news_31 .item_box .info_box .i_subtitle {
        margin-top: 12px;
        font-size: 14px;
        line-height: 20px
    }

    .ly_news_31 .item_box .info_box .i_title {
        line-height: 1.5625;
        font-size: 16px;
        color: #404244
    }

    .ly_news_31 .item_box .info_box .i_item_button {
        margin-top: 12px
    }
}