.detection-field-section {
    width: 100%;
    margin: 0 auto;
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #dbe8fa 50%, #f2f2f2 100%);
    position: relative;
    overflow: hidden;
}

.detection-field-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(0,102,204,0.12) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(0,102,204,0.1) 0%, transparent 40%),
                radial-gradient(circle at 50% 50%, rgba(0,82,163,0.08) 0%, transparent 30%);
    pointer-events: none;
}

.detection-field-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    pointer-events: none;
}

.detection-field-section > * {
    position: relative;
    z-index: 1;
}

.detection-field-section,
.detection-field-section *,
.detection-field-section *::before,
.detection-field-section *::after {
    box-sizing: border-box;
}

.detection-field-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部导航区域 */
.detection-field-section .section-tabs {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 30px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #cbc9c9;
}

.detection-field-section .tab-title {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 36px;
    font-weight: 700;
    color: #666666;
    margin-bottom: 5px;
}

.detection-field-section .tab-text {
    font-size: 36px;
    text-align: center;
}

.detection-field-section .tab-column {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: space-between;
    gap: 30px;
}

.detection-field-section .tab-list {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: space-around;
    gap: 0;
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
}

.detection-field-section .tab-item {
    padding: 12px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: #666666;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.detection-field-section .tab-item:hover {
    color: #0066cc;
}

.detection-field-section .tab-item.active {
    color: #3385ff;
    font-weight: 600;
}

.detection-field-section .tab-indicator {
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 3px;
    background: linear-gradient(137deg, #3385ff 0%, #0066cc 100%);
    transition: left 0.3s ease, width 0.3s ease;
    border-radius: 2px;
}

.detection-field-section .more-btn {
    display: flex;
    align-items: center;
}

.detection-field-section .more-link {
    color: #3385ff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.detection-field-section .more-link:hover {
    color: #1a6fd6;
}

/* 主内容区域 */
.detection-main {
    width: 100%;
    min-height: 600px;
}

.detection-main-ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.detection-main-li {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.detection-main-li.active {
    display: block;
    opacity: 1;
}

/* 网格布局容器 */
.detection-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.detection-grid-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* 卡片基础样式 */
.detection-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    background-color: #fff;
    position: relative;
    text-decoration: none;
    display: block;
    min-width: 0;
}

.detection-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    text-decoration: none;
    color: inherit;
}

/* 特色卡片 */
.detection-card.featured-card {
    grid-column: span 2;
    grid-row: span 1;
    height: auto;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    color: inherit;
}

.featured-card .card-image {
    height: 300px;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.featured-card .featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.featured-card:hover .featured-image {
    transform: scale(1.03);
}

.featured-card .card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    color: #fff;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 0;
}

.featured-card .card-title {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.featured-card:hover .card-title {
    color: #99ccff;
}

.featured-card .excerpt-btn-container {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 5px;
}

.featured-card .card-excerpt {
    font-size: 16px;
    color: #e6f0fa;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
    min-width: 0;
    max-width: 70%;
}

.featured-card .view-btn {
    display: inline-block;
    padding: 12px 24px;
    background: #ffffff00;
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    flex-shrink: 0;
    border: 2px solid #ffffff;
}

.featured-card .view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
    text-decoration: none;
}

/* 普通卡片 */
.detection-card.normal-card {
    grid-column: span 1;
    display: flex;
    flex-direction: column;
    height: auto;
    color: inherit;
}

.normal-card .card-image {
    height: 160px;
    overflow: hidden;
    position: relative;
}

.normal-card .card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.normal-card:hover .card-img {
    transform: scale(1.05);
}

/* 卡片图片悬停覆盖层 */
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.normal-card:hover .card-overlay {
    opacity: 1;
}

.overlay-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #ffffff00;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #ffffff;
}

.overlay-btn:hover {
    background-color: #0000001b;
    color: #fff;
    transform: translateY(-2px);
}

/* 无图片时的占位符 */
.card-image.no-image .placeholder-image {
    width: 100%;
    height: 100%;
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666666;
    font-size: 24px;
}

.normal-card .card-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.normal-card .card-title {
    font-size: 18px;
    font-weight: 600;
    color: #666666;
    margin: 0 0 10px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.normal-card:hover .card-title {
    color: #0066cc;
}

.normal-card .card-excerpt {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 无文章提示 */
.detection-field-section .no-posts {
    text-align: center;
    color: #666666;
    font-size: 16px;
    padding: 60px 20px;
}

/* 底部分页指示器 */
.detection-field-section .section-pagination {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #f5f5f5;
}

.detection-field-section .pagination-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.detection-field-section .pagination-item {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
}

.detection-field-section .pagination-item:hover {
    background: #3385ff;
}

.detection-field-section .pagination-item.active {
    background: linear-gradient(137deg, #3385ff 0%, #0066cc 100%);
    width: 30px;
    border-radius: 5px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .detection-field-section {
        padding: 40px 15px;
    }

    .detection-field-section .section-tabs {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }

    .detection-field-section .tab-title {
        font-size: 30px;
    }

    .detection-field-section .tab-text {
        font-size: 30px;
    }

    .detection-field-section .tab-column {
        width: 100%;
        justify-content: center;
    }

    .detection-field-section .tab-list {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 5px;
        justify-content: flex-start;
        flex: none;
    }

    .detection-field-section .tab-item {
        padding: 8px 16px;
        font-size: 16px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .detection-field-section .tab-indicator {
        display: none;
    }

    .detection-field-section .more-btn {
        display: none;
    }

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

    .detection-card.featured-card {
        grid-column: span 2;
        grid-row: span 1;
    }

    .featured-card .card-image {
        height: 220px;
    }

    .featured-card .card-title {
        font-size: 20px;
    }

    .featured-card .card-excerpt {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .detection-field-section .tab-title {
        font-size: 26px;
    }

    .detection-field-section .tab-text {
        font-size: 26px;
    }

    .detection-field-section .tab-column {
        width: 100%;
        justify-content: center;
    }

    .detection-field-section .tab-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        overflow: visible;
        padding-bottom: 0;
        justify-content: center;
        flex: none;
    }

    .detection-field-section .tab-item {
        padding: 10px 12px;
        font-size: 14px;
        white-space: normal;
        flex-shrink: 1;
        text-align: center;
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.6);
        border: 1px solid rgba(0, 102, 204, 0.15);
    }

    .detection-field-section .tab-item.active {
        background: linear-gradient(137deg, #3385ff 0%, #0066cc 100%);
        color: #fff;
        border-color: transparent;
    }

    .detection-field-section .tab-indicator {
        display: none;
    }

    .detection-field-section .more-btn {
        display: none;
    }

    .featured-card .card-image {
        height: 180px;
    }

    .featured-card .card-content {
        padding: 20px;
    }

    .featured-card .card-title {
        font-size: 18px;
    }

    .normal-card .card-image {
        height: 140px;
    }

    .normal-card .card-content {
        padding: 15px;
    }

    .normal-card .card-title {
        font-size: 16px;
    }

    .normal-card .card-excerpt {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .detection-field-section {
        padding: 30px 10px;
    }

    .detection-field-section .tab-title {
        font-size: 22px;
    }

    .detection-field-section .tab-text {
        font-size: 22px;
    }

    .detection-field-section .tab-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .detection-field-section .tab-item {
        padding: 12px 8px;
        font-size: 13px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.6);
        border: 1px solid rgba(0, 102, 204, 0.15);
        white-space: normal;
        text-align: center;
        line-height: 1.3;
    }

    .detection-field-section .tab-item.active {
        background: linear-gradient(137deg, #3385ff 0%, #0066cc 100%);
        color: #fff;
        border-color: transparent;
    }

    .detection-grid-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .detection-card.featured-card {
        grid-column: span 1;
    }

    .featured-card .card-image {
        height: 160px;
    }

    .featured-card .card-content {
        padding: 15px;
    }

    .featured-card .card-title {
        font-size: 16px;
    }

    .featured-card .card-excerpt {
        font-size: 13px;
        -webkit-line-clamp: 2;
    }

    .featured-card .view-btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    .normal-card .card-image {
        height: 120px;
    }

    .normal-card .card-content {
        padding: 12px;
    }

    .normal-card .card-title {
        font-size: 15px;
    }

    .normal-card .card-excerpt {
        font-size: 12px;
    }
}