/* Detail Pages Styles */

/* Breadcrumb */
.breadcrumb {
    background: #f8f9fa;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #6c757d;
}

.breadcrumb a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: #0056b3;
}

.breadcrumb i {
    font-size: 0.8rem;
    margin: 0 0.25rem;
}

/* Product Detail Styles */
.product-detail {
    padding: 3rem 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.product-images {
    position: sticky;
    top: 2rem;
}

.main-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.main-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s;
}

.main-image:hover img {
    transform: scale(1.02);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.main-image:hover .image-overlay {
    opacity: 1;
}

.zoom-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.zoom-btn:hover {
    background: white;
    transform: scale(1.1);
}

.thumbnail-images {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.thumbnail.active {
    border-color: #007bff;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Product Info */
.product-info {
    padding-left: 1rem;
}

.product-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.product-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.product-category,
.product-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.product-category {
    background: #e3f2fd;
    color: #1976d2;
}

.product-status {
    background: #e8f5e8;
    color: #388e3c;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 2rem;
}

/* 限制侧栏简述里的图片尺寸不超过父容器 */
.product-description img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    border-radius: 8px;
}

.product-specs {
    margin-bottom: 2rem;
}

.product-specs h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.specs-content {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 500;
    color: #495057;
}

.spec-value {
    color: #6c757d;
}

.product-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.product-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: #f1f3f4;
    color: #5f6368;
    border-radius: 16px;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.tag:hover {
    background: #e8eaed;
    color: #3c4043;
}

/* Product Tabs */
.product-tabs {
    padding: 3rem 0;
    background: #f8f9fa;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: white;
    color: #6c757d;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.tab-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.content-area {
    line-height: 1.8;
    color: #333;
}

/* 限制详情富文本中的图片最大宽度并居中显示 */
.content-area img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1rem auto;
    border-radius: 8px;
}

.content-area h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.content-area p {
    margin-bottom: 1rem;
}

.content-area ul,
.content-area ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.content-area li {
    margin-bottom: 0.5rem;
}

/* Related Products */
.related-products {
    padding: 3rem 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Article Detail Styles */
.article-detail {
    padding: 3rem 0;
}

.article-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.article-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #6c757d;
    font-size: 0.95rem;
}

.meta-item i {
    color: #007bff;
}

.article-summary {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.article-body {
    line-height: 1.8;
    color: #333;
    margin-bottom: 2rem;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
}

.article-body h2 {
    font-size: 1.8rem;
}

.article-body h3 {
    font-size: 1.5rem;
}

.article-body h4 {
    font-size: 1.3rem;
}

.article-body p {
    margin-bottom: 1rem;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

.article-body blockquote {
    border-left: 4px solid #007bff;
    padding-left: 1rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: #555;
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 0 8px 8px 0;
}

.article-footer {
    padding-top: 2rem;
    border-top: 1px solid #e9ecef;
}

.article-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    color: inherit;
}

.nav-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.nav-item.prev {
    text-align: left;
}

.nav-item.next {
    text-align: right;
    flex-direction: row-reverse;
}

.nav-label {
    font-size: 0.85rem;
    color: #6c757d;
    display: block;
    margin-bottom: 0.25rem;
}

.nav-title {
    font-weight: 500;
    color: #2c3e50;
    line-height: 1.4;
}

/* Sidebar */
.article-sidebar {
    position: sticky;
    top: 2rem;
}

/* 文章侧边栏图片列表 */
.image-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
}

.image-list .image-thumb {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    cursor: pointer;
    background: #fff;
}

.image-list .image-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sidebar-widget {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.widget-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e9ecef;
}

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

.category-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f3f4;
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    color: #6c757d;
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-list a:hover {
    color: #007bff;
}

.category-count {
    background: #e9ecef;
    color: #6c757d;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
}

.popular-articles {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.popular-article {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f3f4;
}

.popular-article:last-child {
    border-bottom: none;
}

.popular-article img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.popular-article-content h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.popular-article-content a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s;
}

.popular-article-content a:hover {
    color: #007bff;
}

.popular-article-meta {
    font-size: 0.8rem;
    color: #6c757d;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-cloud .tag {
    padding: 0.5rem 1rem;
    background: #f1f3f4;
    color: #5f6368;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.tag-cloud .tag:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
}

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.subscribe-form input {
    padding: 0.75rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.95rem;
}

.subscribe-form input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Related Articles */
.related-articles {
    padding: 3rem 0;
    background: #f8f9fa;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Related Article Cards */
.related-articles .article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.related-articles .article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-articles .article-image {
    height: 180px;
    overflow: hidden;
}

.related-articles .article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.related-articles .article-card:hover .article-image img {
    transform: scale(1.05);
}

.related-articles .article-content {
    padding: 1.25rem 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    height: 100%;
}

.related-articles .article-title {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.4;
    color: #2c3e50;
}

.related-articles .article-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.related-articles .article-card:hover .article-title a {
    color: #007bff;
}

.related-articles .article-summary {
    color: #6c757d;
    font-size: 0.95rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-articles .article-meta {
    margin-top: auto;
    padding-top: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #6c757d;
    border-top: 1px solid #f1f3f4;
}

.related-articles .article-date,
.related-articles .article-views {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

@media (max-width: 768px) {
    .related-articles .article-image {
        height: 160px;
    }
}

/* Modals */
.image-modal,
.inquiry-modal,
.share-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #6c757d;
    transition: color 0.3s;
}

.close-modal:hover {
    color: #dc3545;
}

/* Image Modal Specific */
.image-modal .modal-content {
    max-width: 90vw;
    max-height: 90vh;
    padding: 0;
    background: transparent;
    box-shadow: none;
}

.image-modal img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 12px;
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.2rem;
}

.nav-btn:hover {
    background: white;
    transform: scale(1.1);
}

/* Inquiry Modal Specific */
.inquiry-modal h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #495057;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Share Modal Specific */
.share-modal h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.share-btn {
    padding: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.share-btn.wechat {
    background: #07c160;
    color: white;
}

.share-btn.weibo {
    background: #e6162d;
    color: white;
}

.share-btn.qq {
    background: #12b7f5;
    color: white;
}

.share-btn.link {
    background: #6c757d;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.share-url {
    display: flex;
    gap: 0.5rem;
}

.share-url input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {

    .product-detail-grid,
    .article-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-images {
        position: static;
    }

    .article-sidebar {
        position: static;
    }

    .product-title,
    .article-title {
        font-size: 2rem;
    }

    .tabs {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 100%;
        max-width: 200px;
    }

    .article-meta {
        flex-direction: column;
        gap: 1rem;
    }

    .article-navigation {
        grid-template-columns: 1fr;
    }

    .share-options {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .product-actions {
        flex-direction: column;
    }

    .product-actions .btn {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

/* 新增：产品详情区域样式 */
.product-features,
.technical-specs,
.installation-info,
.warranty-info,
.product-benefits {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #007bff;
}

.product-features h3,
.technical-specs h3,
.installation-info h3,
.warranty-info h3,
.product-benefits h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e9ecef;
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item i {
    color: #28a745;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.feature-item span {
    color: #495057;
    font-size: 0.95rem;
    line-height: 1.5;
}

.specs-table {
    display: grid;
    gap: 0.75rem;
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.spec-label {
    font-weight: 600;
    color: #495057;
    font-size: 0.9rem;
}

.spec-value {
    color: #6c757d;
    font-size: 0.9rem;
}

.install-content,
.warranty-content,
.benefits-content {
    display: grid;
    gap: 1rem;
}

.install-item,
.warranty-item,
.benefit-item {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.install-item h4,
.warranty-item h4,
.benefit-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.install-item p,
.warranty-item p,
.benefit-item p {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.applications-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.app-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e9ecef;
}

.app-item:last-child {
    border-bottom: none;
}

.app-item i {
    color: #ffc107;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.app-item span {
    color: #495057;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 相关产品卡片样式 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-card .product-image {
    height: 200px;
    overflow: hidden;
}

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

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

.product-card .product-info {
    padding: 1.5rem;
}

.product-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.product-card .category {
    color: #6c757d;
    font-size: 0.9rem;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {

    .product-features,
    .technical-specs,
    .installation-info,
    .warranty-info,
    .product-benefits {
        margin: 1.5rem 0;
        padding: 1rem;
    }

    .spec-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
}