/* 轮播图开始 */
.swiper {
    width: 100%;
    height: auto;
    max-height: 824px;
}

.swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

:root {
    /* responsive bullet size and gap */
    --pager-size: clamp(10px, 2.5vw, 16px);
    --pager-gap: clamp(8px, 3.5vw, 21px);
}

/* 自定义指示点颜色 */
.swiper-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--pager-gap);
    /* 指示点间距 */
}ma

.swiper-pagination-bullet {
    width: var(--pager-size);
    height: var(--pager-size);
    border-radius: 50%;
    background: #92A1AE;
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: var(--primary-color);
}

/* 轮播图结束 */
.introduction {
    width: 100%;
    height: auto;
}

.introduction_border {
    width: 100%;
    height: clamp(44px, 2.5vw, 105px);
    background: var(--primary-color);
}

.introduction_name {
    max-width: var(--max-width);
    font-weight: bold;
    font-size: 42px;
    color: #000000;
    line-height: 48px;
    box-sizing: border-box;
    margin: 60px auto 0;
    /* 可根据需要添加 margin/padding 等 */
}

.introduction_desc {
    max-width: var(--max-width);
    /*font-size: 18px;*/
    color: #000000;
    line-height: 30px;
    box-sizing: border-box;
    margin: 38px auto 0;
    /* 可根据需要添加 margin/padding 等 */
}

.matrix {
    width: 100%;
    margin-top: 70px;
    padding-bottom: 66px;
}

.matrix_name {
    width: 100%;
    padding: 0 14px;
    background: var(--primary-color);
    box-sizing: border-box;
}

.matrix_name_span {
    max-width: var(--max-width);
    height: 100px;
    margin: 0 auto;
    font-weight: bold;
    font-size: 60px;
    color: #FFFFFF;
    line-height: 100px;
}

.matrix_list {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    /*display: grid;*/
    /*grid-template-columns: repeat(auto-fit, minmax(33.333%, 1fr));*/
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    column-count: 3;
    /*column-gap: 20px;*/
    box-sizing: content-box;
    padding: 4px 14px 0;
}

.matrix_card {
    /*width: 378px;*/
    /*height: 230px;*/
    /*width: 503px;*/
    /*height: 308px;*/
    width: 32.3%;
    margin-top: 26px;
    position: relative;
    overflow: hidden;
}
.matrix_bottom{
    width: 100%;
    padding: 4px 2%;
    color: #fff;
    background: var(--primary-color);
    font: 700 1.6em/1.2em 'Source Sans Pro',sans-serif;
    position: absolute;
    bottom: 0;
    left: 0;
    opacity: 0;
    transition: 0.3s;
}
.matrix_bj {
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.5;
    position: absolute;
    top: 0;
    left: 0;
    transition: 0.3s;
}

.matrix_img {
    width: 100%;
    /*height: 100%;*/
    transition: 0.3s;
}
.matrix_card:hover .matrix_info{
    opacity: 0;
}
.matrix_card:hover .matrix_img {
    transform: scale(1.2);
}
.matrix_card:hover .matrix_bj {
    opacity: 0;
}
.matrix_card:hover .matrix_bottom {
    opacity: 1;
}

.matrix_info {
    width: 100%;
    padding: 0 18px;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.matrix_info_name {
    width: 100%;
    text-align: center;
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
    padding-top: 36px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    text-overflow: ellipsis;
    word-break: break-all;
    font: 700 1.6em/1.2em 'Source Sans Pro', sans-serif;
    opacity: 0.85;
}

.matrix_info_desc {
    width: 100%;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 24px;
    margin-top: 6px;
    word-break: break-all;
    text-align: center;
    font: 300 1.1em/1.3em 'Source Sans Pro', sans-serif;
    opacity: 0.85;
}

.matrix_tips {
    width: 100%;
    max-width: var(--max-width);
    font-weight: bold;
    font-size: 48px;
    color: var(--primary-color);
    text-align: center;
    margin: 70px auto 0;
    padding: 0 14px;
    box-sizing: content-box;
}

.contact {
    width: 100%;
    background: #E8E8E8;
    padding: 0 14px;
    box-sizing: box-sizing;
}

.contact_flex {
    max-width: var(--max-width);
    min-height: 189px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
}

.contact_btn {
    width: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.contact_btn_img {
    width: auto;
    height: 74px;
}

.contact_btn_desc {
    width: 100%;
    font-size: 24px;
    color: #5A5A5A;
    line-height: 30px;
    text-align: center;
    margin-top: 10px;
}

.contact_btn_tel {
    font-weight: bold;
    font-size: 24px;
    color: #000000;
}

.blog {
    width: 100%;
    max-width: var(--max-width);
    margin: 24px auto 90px;
    padding: 0 14px;
    box-sizing: content-box;
}

.blog_title {
    width: 100%;
    font-size: 60px;
    color: #333333;
    font-weight: bold;
    text-align: center;
    margin: 0 0 48px;
}

.blog_title a:hover {
    color: var(--primary-color);
}

.blog_left {
    width: 49%;
    float: left;
}

.blog_right {
    width: 47.5%;
    float: right;
    border-top: 4px solid var(--primary-color);
    padding-top: 43px;
}

.blog_left_img {
    width: 100%;
    /*height: 186px;*/
    padding-bottom: 54.4%;
    overflow: hidden;
    /*object-fit: cover;*/
    position: relative;
}

.blog_left_img img {
    width: 100%;
    height: 100%;
    transition: 0.3s;
    cursor: pointer;
    position: absolute;
}

.blog_left_img img:hover {
    transform: scale(1.2);
}

.blog_left_text {
    box-shadow: 0px 0px 17px 1px rgb(109 110 112 / 10%);
    padding: 20px;
}

.blog_left_title {
    font-size: 18px;
    text-align: center;
    font-weight: bold;
}

.blog_left_title:hover {
    color: var(--primary-color);
}

.blog_left_desc {
    font-size: 16px;
    margin-top: 10px;
}

.blog_left_date {
    font-size: 16px;
    margin-top: 10px;
}

.blog_right_card {
    width: 100%;
    padding-left: 0px;
    border-bottom: 1px solid #dddddd;
    padding-bottom: 24px;
    margin-bottom: 30px;
    cursor: pointer;
}

.blog_right_card_date {
    font-size: 16px;
    color: #666666;
}

.blog_right_card_title {
    font-size: 16px;
    line-height: 26px;
    font-weight: bold;
    color: #333333;
    margin-top: 8px;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.blog_right_card:hover .blog_right_card_title {
    color: var(--primary-color);
}

/* 小屏（移动端）覆盖为设计稿尺寸 */
@media (max-width: 800px) {
    .introduction_name {
        font-size: 22px;
        padding: 0 14px;
        line-height: 26px;
        margin-top: 43px;
    }

    .introduction_desc {
        font-size: 15px;
        font-weight: 400;
        padding: 0 14px;
        line-height: 21px;
        margin-top: 16px;
    }

    .matrix {
        margin-top: 43px;
        padding: 0 0 30px;
        box-sizing: border-box;
    }

    .matrix_name_span {
        height: 120px;
        font-size: 36px;
        line-height: 120px;
    }

    .matrix_list {
        padding: 12px 14px 0;
        box-sizing: border-box;
        /*grid-template-columns: repeat(auto-fit, minmax(100%, 1fr));*/
    }

    .matrix_card {
        width: 100%;
        /*height: 250px;*/
        margin-top: 20px;
    }

    .matrix_info {
        padding: 0 14px;
    }

    .matrix_info_name {
        max-width: 100%;
        font-weight: bold;
        font-size: 24px;
        color: #FFFFFF;
        padding-top: 55px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        text-overflow: ellipsis;
        word-break: break-all;
    }

    .matrix_info_desc {
        font-size: 15px;
        line-height: 21px;
        margin-top: 20px;
        word-break: break-all;
    }

    .matrix_tips {
        font-size: 22px;
        line-height: 26px;
        margin-top: 40px;
        padding: 0 14px;
        box-sizing: border-box;
    }

    .contact_flex {
        padding: 35px 14px;
        box-sizing: border-box;
    }

    .contact_btn {
        width: 375px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
    }

    .contact_btn:nth-child(2) {
        margin-top: 33px;
    }

    .contact_btn_img {
        width: auto;
        height: 100px;
    }

    .contact_btn_desc {
        width: 100%;
        font-weight: 400;
        font-size: 21px;
        color: #5A5A5A;
        line-height: 26px;
        text-align: center;
        margin-top: 20px;
    }

    .contact_btn_tel {
        font-weight: bold;
        font-size: 21px;
        color: #000000;
        margin-top: 10px;
    }

    .blog {
        width: 100%;
        max-width: var(--max-width);
        margin: 0px auto 30px;
        padding: 0 14px;
        box-sizing: border-box;
    }

    .blog_title {
        font-size: 24px;
        margin: 0 0 30px;
    }

    .blog_title a:hover {
        color: var(--primary-color);
    }

    .blog_left {
        width: 100%;
        float: none;
    }

    .blog_right {
        width: 100%;
        float: none;
        border-top: 4px solid var(--primary-color);
        padding-top: 20px;
    }

    .blog_left_img {
        width: 100%;
        /*height: 357px;*/
        overflow: hidden;
    }

    .blog_left_img img {
        width: 100%;
        height: 100%;
        transition: 0.3s;
        cursor: pointer;
    }

    .blog_left_img img:hover {
        transform: scale(1.2);
    }

    .blog_left_text {
        box-shadow: 0px 0px 17px 1px rgb(109 110 112 / 10%);
        padding: 28px 32px 35px 26px;
    }

    .blog_left_title {
        font-size: 20px;
        color: #333333;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
        cursor: pointer;
        transition: 0.3s;
    }

    .blog_left_title:hover {
        color: var(--primary-color);
    }

    .blog_left_desc {
        font-size: 16px;
        line-height: 26px;
        color: #666666;
        margin-top: 19px;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
    }

    .blog_left_date {
        font-size: 16px;
        color: #666666;
        margin-top: 19px;
    }

    .blog_right_card {
        width: 100%;
        padding-left: 22px;
        border-bottom: 1px solid #dddddd;
        padding-bottom: 24px;
        margin-bottom: 39px;
        cursor: pointer;
    }

    .blog_right_card_date {
        font-size: 16px;
        color: #666666;
    }

    .blog_right_card_title {
        font-size: 20px;
        line-height: 32px;
        color: #333333;
        margin-top: 8px;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
    }

    .blog_right_card:hover .blog_right_card_title {
        color: var(--primary-color);
    }
}

/* 后续添加 */
.introduction-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 14px;
}

.introduction .row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.introduction .row:first-child .box {
    width: 100%;
}

.introduction .row:last-child .box {
    flex: 1;
    min-width: 300px;
}

@media (max-width: 768px) {
    .introduction .row:last-child .box {
        min-width: 100%;
    }
}

.contact_btn:hover {
    cursor: pointer;
}

.contact_btn:hover img {
    transform: scale(1.1);
}