/* 产品详情页面样式 */

.breadcrumb {
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}
.breadcrumb a {
    color: var(--color-primary);
}
.breadcrumb a:hover {
    color: var(--color-accent);
}
.breadcrumb span {
    margin: 0 6px;
}

.product-main {
    padding: var(--spacing-lg) 0;
}
.product-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}
.product-image-box {
    position: sticky;
    top: 100px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--color-gray-light);
}
.product-main-image {
    width: 100%;
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: var(--color-primary);
}
.product-image-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}
.thumb-item {
    aspect-ratio: 1/1;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}
.thumb-item.active,
.thumb-item:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.product-info-box {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.product-title h1 {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-xs);
}
.product-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}
.product-tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}
.product-tag {
    padding: 4px 12px;
    background-color: rgba(26, 54, 93, 0.08);
    color: var(--color-primary);
    border-radius: 4px;
    font-size: var(--font-size-small);
    font-weight: 600;
}
.product-tag.cert {
    background-color: rgba(16, 185, 129, 0.1);
    color: #059669;
}
.product-core-info {
    padding: var(--spacing-md);
    background-color: var(--color-gray-light);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
.info-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.info-label {
    width: 100px;
    color: var(--color-text-secondary);
    font-weight: 500;
}
.info-value {
    font-weight: 600;
    color: var(--color-primary);
}
.product-highlights {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}
.product-highlights h3 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
}
.highlights-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-xs);
}
.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin: 0;
}
.highlights-list li i {
    color: var(--color-accent);
    margin-top: 3px;
}
.product-action-btns {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}
.product-action-btns .btn {
    flex: 1;
    min-width: 140px;
}

.product-detail-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-gray-light);
}
.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-light);
    border-radius: 8px 8px 0 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar {
    display: none;
}
.tab-btn {
    padding: 16px 32px;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: all 0.2s ease;
    font-family: var(--font-family-cn);
}
.tab-btn.active {
    color: var(--color-primary);
}
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-accent);
}
.tab-btn:hover {
    color: var(--color-primary);
}
.tab-content-wrapper {
    background-color: var(--color-light);
    border-radius: 0 0 8px 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}
.tab-content.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.param-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-md);
}
.param-table th,
.param-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.param-table th {
    width: 30%;
    background-color: var(--color-gray-light);
    font-weight: 600;
    color: var(--color-primary);
}
.param-table tr:last-child th,
.param-table tr:last-child td {
    border-bottom: none;
}
.param-table tr:hover {
    background-color: var(--color-gray-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}
.feature-card {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    display: flex;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
}
.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateY(-4px);
}
.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background-color: var(--color-primary);
    color: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}
.feature-card:hover .feature-icon {
    background-color: var(--color-accent);
}
.feature-content h4 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-xxs);
}
.feature-content p {
    color: var(--color-text-secondary);
    margin: 0;
}
.feature-desc {
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}
.scene-card {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}
.scene-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}
.scene-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(26, 54, 93, 0.08);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto var(--spacing-sm);
}
.scene-card h4 {
    font-size: 16px;
    margin-bottom: var(--spacing-xxs);
}

.related-products {
    padding: var(--spacing-xl) 0;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}
.product-card {
    background-color: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.product-card-image {
    height: 200px;
    background-color: var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 48px;
}
.product-card-info {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}
.product-card-info h3 {
    font-size: 18px;
    margin: 0;
}
.product-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.product-card-specs .spec {
    padding: 3px 8px;
    background-color: var(--color-gray-light);
    color: var(--color-primary);
    font-size: var(--font-size-small);
    border-radius: 4px;
    font-weight: 600;
}
.product-card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xs);
}

@media (max-width: 1024px) {
    .product-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    .product-image-box {
        position: static;
    }
    .feature-grid,
    .scene-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .feature-grid,
    .scene-grid {
        grid-template-columns: 1fr;
    }
    .tab-content-wrapper {
        padding: var(--spacing-md);
    }
    .param-table th,
    .param-table td {
        padding: 10px 8px;
        font-size: var(--font-size-small);
    }
}