/* 面包屑导航样式 */
.breadcrumb-block {
    background-color: var(--white);
    padding: 15px 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 10px;
    max-width: 1170px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

.breadcrumb {
    color: var(--gray);
}

.breadcrumb a {
    color: var(--primary-blue);
    text-decoration: none;
}

.breadcrumb i {
    margin: 0 10px;
    font-size: 12px;
}

/* 产品基本信息样式 */
.product-main {
    display: flex;
    gap: 30px;
}

.product-gallery {
    width: 300px;
    flex-shrink: 0;
    position: relative;
}

.main-image {
    width: 100%;
    height: 300px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
}

.main-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-code {
    text-align: center;
    margin-top: 10px;
    font-size: 1.2rem;
    color: var(--primary-blue);
}

.product-details {
    flex: 1;
}

.product-details h1 {
    font-size: 1.8rem;
    color: var(--black);
    margin-bottom: 10px;
}

.info-item {
    margin-bottom: 10px;
}

.info-item label {
    color: var(--gray);
    display: inline-block;
    width: 80px;
    margin-right: 5px;
}

.info-item p {
    display: inline;
    margin: 0;
    padding: 0;
    font-size: 12px;
    color: var(--gray);
}

.info-item .price {
    color: var(--primary-red);
    font-size: 1.5rem;
    font-weight: bold;
}

.action-buttons {
    margin-top: 10px;
    display: flex;
    gap: 20px;
}

.quote-btn, .contact-btn {
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.quote-btn {
    background: var(--primary-blue);
    color: var(--white);
}

.contact-btn {
    background: var(--white);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

/* Tab样式 */
.tab-container {
    margin-top: 10px;
}

.tab-header {
    display: flex;
    gap: 2px;
    margin-bottom: -1px;
}

.tab-btn {
    padding: 12px 30px;
    background: var(--light-gray);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.tab-btn.active {
    background: var(--white);
    border-top: 2px solid var(--primary-blue);
}

.tab-content {
    background: var(--white);
    padding: 20px;
    border-top: 1px solid var(--light-gray);
}

.tab-pane {
    display: none;
}

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

/* 参数表格样式 */
.params-table {
    width: 100%;
    border-collapse: collapse;
}

.params-table th,
.params-table td {
    padding: 8px 12px;
    border: 1px solid var(--light-gray);
}

.params-table th {
    background: var(--light-gray);
    text-align: left;
}

.params-table tr:nth-child(even) {
    background-color: var(--white);
}

.params-table tr:nth-child(odd) {
    background-color: var(--light-gray);
}

.params-table tr:first-child {
    background-color: var(--light-gray);
}

/* 响应式布局 */
@media (max-width: 768px) {
    .product-main {
        flex-direction: column;
    }

    .product-gallery {
        width: 100%;
    }

    .main-image {
        height: 250px;
    }

    .info-item label {
        width: 80px;
    }

    .action-buttons {
        flex-direction: column;
    }

    .quote-btn, .contact-btn {
        text-align: center;
    }
}

.info-item span {
    color: var(--black);
    font-size: 14px;
}

/* 价格标签样式 */
.product-price-tag {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    padding: 8px 0;
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
}

.product-price-tag label {
    color: var(--gray);
    font-size: 16px;
}

.product-price-tag .price {
    color: var(--primary-red);
    font-size: 2rem;
    font-weight: bold;
    margin-left: 5px;
}

/* PDF加载提示样式 */
.loading-pdf {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 600px;
    background: var(--white);
}

.loading-pdf i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.loading-pdf p {
    color: var(--gray);
    font-size: 1rem;
}

/* 相关产品链接样式 */
.related-links {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 10px;
    padding: 15px 0;
}

.related-links a {
    color: var(--gray);
    text-decoration: none;
    padding: 8px;
    text-align: center;
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.related-links a:hover {
    border-color: var(--primary-blue);
    background: var(--light-blue);
    color: var(--primary-blue);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .related-links {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 480px) {
    .related-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* SEO区块样式 */
.seo-block {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.seo-text {
    padding: 20px;
    background: var(--light-blue);
    border-radius: 4px;
    margin-bottom: 10px;
}

.seo-text h2 {
    color: var(--black);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.seo-text p {
    color: var(--gray);
    line-height: 1.6;
    font-size: 14px;
}

.related-products h3 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--light-gray);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .seo-text h2 {
        font-size: 1.2rem;
    }

    .seo-text p {
        font-size: 12px;
    }

    .related-products h3 {
        font-size: 1.1rem;
    }
}

.product-details .price {
    color: var(--primary-red);
    font-size: 1.2rem;
    font-weight: bold;
}

.info-item a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s;
}

.info-item a:hover {
    color: var(--primary-red);
}

/* 新闻列表样式 */
.news-section {
    margin-top: 20px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.news-card {
    padding: 15px;
    background: var(--white);
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.news-card h3 {
    margin: 0;
    font-size: 14px;
}

.news-card a {
    color: var(--black);
    text-decoration: none;
    transition: color 0.3s;
}

.news-card a:hover {
    color: var(--primary-blue);
}

.news-date {
    display: block;
    color: var(--gray);
    font-size: 12px;
    margin-top: 5px;
}

/* 相关产品样式 */
.related-links {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.related-links a {
    padding: 8px;
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    text-align: center;
    color: var(--gray);
    text-decoration: none;
    font-size: 12px;
    transition: all 0.3s;
}

.related-links a:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

    .related-links {
        grid-template-columns: repeat(4, 1fr);
    }
}

.pdf-download {
    text-align: center;
    padding: 30px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background: #1560d1;
}

.download-btn i {
    font-size: 1.2em;
}

.loading-pdf, .no-pdf {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--gray);
}

.loading-pdf i, .no-pdf i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.no-pdf i {
    color: var(--primary-red);
}

.loading-pdf p, .no-pdf p {
    font-size: 1.1rem;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

.seo-links {
    margin-bottom: 15px;
}

.seo-links a {
    color: var(--primary-blue);
    text-decoration: none;
    margin-right: 15px;
}

.seo-links a:hover {
    color: var(--primary-red);
}