/* 技术支持区块 */
.support-section {
    padding: 60px 0;
    background-color: #f5f5f5;
}

/* 卡片网格 - 一行四列 */
.support-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 17px;
    margin-bottom: 60px;
}

/* 卡片基础样式 */
.support-card {
    background-color: #fff;
    padding: 30px 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    justify-content: center;

}

/* 卡片鼠标滑过效果 */
.support-card-hover {
    background-color: #1E4B93;
    color: #fff;
}

.support-card:hover {
    background-color: #1E4B93;
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(30, 75, 147, 0.3);
}

/* 卡片标题 */
.support-card-title {
    font-size: 24px;
    font-weight: 500;
    color: #333;
    margin: 0 0 20px 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.support-card-hover .support-card-title,
.support-card:hover .support-card-title {
    color: #fff;
}

/* 标题下方短横线 */
.support-card-divider {
    display: block;
    width:20px;
    height: 2px;
    background-color: #004e8c;
    border-radius: 2px;
}

.support-card-hover .support-card-divider,
.support-card:hover .support-card-divider {
    background-color: #fff;
}

/* 注意事项板块 */
.support-notice-section {
    padding:  0;
}

/* 板块标题 */
.support-notice-header {
    margin-bottom: 40px;
}

.support-notice-title {
    font-size: 28px;
    font-weight: 500;
    color: #333;
    margin: 0 0 15px 0;
}

.support-notice-divider {
    width: 50px;
    height: 4px;
    background-color: #1E4B93;
    border-radius: 2px;
}

/* 文章网格 */
.support-notice-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap:15px;
}

/* 文章项 */
.support-notice-item {
    display: flex;
    gap: 20px;
    padding: 22px;
    background-color: #fff;
    transition: all 0.3s ease;
}

.support-notice-item:hover {
    background-color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transform: translateY(-3px);
}

/* 文章图片 */
.support-notice-image {
    flex-shrink: 0;
    width:96px;
    height: 96px;
    overflow: hidden;
}

.support-notice-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.support-notice-item:hover .support-notice-image img {
    transform: scale(1.05);
}

/* 文章内容 */
.support-notice-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    justify-content: center;
}

.support-notice-item-title {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
}

.support-notice-item-title a {
    color: #333;
    font-size: 20px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.support-notice-item:hover .support-notice-item-title a {
    color: #1E4B93;
}

.support-notice-desc {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: #666;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 传动学院板块 */
.support-academy-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

/* 板块标题 */
.support-academy-header {
    margin-bottom: 40px;
}

.support-academy-title {
    font-size: 28px;
    font-weight: 500;
    color: #333;
    margin: 0 0 15px 0;
}

.support-academy-divider {
    width: 42px;
    height: 4px;
    background-color: #1E4B93;
}

/* 文章网格 */
.support-academy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 58px;
}

/* 文章卡片 */
.support-academy-card {
    background-color: #fff;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.support-academy-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

/* 文章图片 */
.support-academy-image {
    width: 100%;
    height: 244px;
    overflow: hidden;
}

.support-academy-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.support-academy-card:hover .support-academy-image img {
    transform: scale(1.1);
}

/* 文章信息 */
.support-academy-info {
    padding: 20px;
}

.support-academy-date {
    font-size: 16px;
    color: #888;
    margin-bottom: 10px;
}

.support-academy-card-title {
    margin: 0;
    font-size: 18px;
    font-weight: 400;
    line-height: 1.3;
}

.support-academy-card-title  {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.support-academy-card:hover .support-academy-card-title a {
    color: #004E8C;
}





/* 卡片内容 */
.support-card-content {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
    min-height: 128px;
}

.support-card-hover .support-card-content,
.support-card:hover .support-card-content {
    color: rgba(255, 255, 255, 0.9);
}

.support-card-content p {
    margin: 0;
    text-align: center;
}

/* 卡片内的列表 */
.support-card-list {
    list-style: decimal;
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
}

.support-card-list li {
    margin-bottom: 8px;
}

.support-card-list li:last-child {
    margin-bottom: 0;
}

.support-card-hover .support-card-list,
.support-card:hover .support-card-list {
    color: rgba(255, 255, 255, 0.9);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .support-academy-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .support-academy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .support-section {
        padding: 20px 0;
    }

    .support-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }

    .support-card {
        padding: 40px 30px;
    }

    .support-card-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .support-card-content {
        font-size: 14px;
    }

    .support-guide {
        padding: 30px 20px;
    }

    .support-guide-title {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .support-guide-list {
        font-size: 14px;
    }

    /* 注意事项板块响应式 */
    .support-notice-section {
        padding: 10px 0;
    }

    .support-notice-grid {
        grid-template-columns: 1fr;
    }

    .support-notice-item {
        padding: 10px;
    }

    .support-notice-image {
        /* width: 100%; */
        /* height: 200px; */
    }

    .support-notice-title {
        font-size: 22px;
    }

    /* 传动学院板块响应式 */
    .support-academy-section {
        padding: 40px 0;
    }

    .support-academy-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .support-academy-title {
        font-size:18px;
    }

    .support-academy-image {
        height: 200px;
    }
    .support-academy-header {
    margin-bottom: 20px;
}
}

/* ========================================
   下载专区
   ======================================== */

.support-download-section {
    padding: 70px 0;
    background-color: #fff;
}

.support-download-container {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

/* 左侧分类导航 */
.support-download-sidebar {
    flex-shrink: 0;
    width: 368px;
}

.support-download-category {
    list-style: none;
    margin: 0;
    padding: 0;
}

.support-download-category .category-item {
   border-bottom: 1px solid #e6e6e6;
}

.support-download-category .category-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 25px;
    background-color: #f5f5f5;
    color: #666;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.support-download-category .category-item:hover a,
.support-download-category .category-item.active a {
    background-color: #004e8c;
    color: #fff;
}

.category-name {
    flex: 1;
}

.category-arrow {
    width: 24px;
    height: 24px;
    background: url(../images/rr1.png) no-repeat center center;
    background-size: contain;
    transition: all 0.3s ease;
}

.support-download-category .category-item:hover .category-arrow,
.support-download-category .category-item.active .category-arrow {
    background-image: url(../images/rr1h.png);
}

/* 右侧内容区域 */
.support-download-content {
    flex: 1;
    min-width: 0;
}

/* 产品网格复用产品页的样式 */
.support-download-content .product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px 30px;
    margin-bottom: 40px;
}
.support-download-content .product-card {
    border: 1px solid #f0f0f0;
}

.support-download-content .product-title {
   text-align: center;  
   width: 100%;
       font-size: 18px;
   font-weight: normal;
}

.support-download-content .pagination-wrapper {
       margin-top: 30px;
    padding-bottom: 10px;
}


.support-download-content .product-btn{
    width: 160px;
}

/* 响应式 - 下载专区 */
@media (max-width: 1600px) {
    .support-download-sidebar {
        width: 320px;
    }
    .support-download-content .product-grid {
        gap: 22px 20px;
        margin-bottom: 30px;
    }
    .support-academy-grid {
        gap: 40px;
    }
}
@media (max-width: 1200px) {
    .support-download-content .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 1024px) {
    .support-download-sidebar {
        width: 240px;
    }

    .support-download-category .category-item a {
        padding: 15px 20px;
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    .support-download-section {
        padding: 20px 0;
    }

    .support-download-container {
        flex-direction: column;
        gap: 0px;
        margin-top: 20px;
    }

    .support-download-sidebar {
        width: 100%;
    }

    .support-download-category {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        margin-bottom: 18px;
    }

    .support-download-category .category-item {
        margin-bottom: 0;
    }

    .support-download-category .category-item a {
        padding: 12px 15px;
        font-size: 14px;
    }

    .category-arrow {
        width: 20px;
        height: 20px;
    }

    .support-download-content .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
.support-card-content {
    min-height: inherit;
}
    .support-card-title {
        font-size: 16px;
        margin-bottom: 10px;
        gap: 12px;
    }
    .support-card {
        padding: 30px 20px;
    }
    .support-notice-title {
        font-size: 18px;
    }

.support-notice-header {
    margin-bottom: 20px;
}


.support-download-content .product-btn{
    width: 120px;
        padding: 8px 15px;
}

.support-download-content .product-title {
    font-size: 16px;
}
.support-academy-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
}
.support-academy-info {
    padding: 10px;
}
.support-academy-card-title a {

}
    .support-academy-card-title {
        font-size: 14px;
    }

    .support-academy-date {
        font-size: 13px;
        margin-bottom: 5px;
    }
}

@media (max-width: 480px) {
    .support-download-category {
        grid-template-columns: 1fr;
    }
}