/* ===== 产品详情页面样式 ===== */

/* 面包屑导航 */
.breadcrumb-section {
    background: #f8f9fa;
    padding: 20px 0;
    margin-top: 70px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #2c5aa0;
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: #ff6b35;
}

.breadcrumb-separator {
    margin: 0 10px;
    color: #ccc;
}

.breadcrumb-current {
    color: #333;
    font-weight: 500;
}

/* 产品主要信息区域 */
.product-main-section {
    padding: 40px 0;
    background: #ffffff;
}

.product-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* 产品图片展示 */
.product-images {
    position: sticky;
    top: 100px;
}

.product-image-gallery .main-image {
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.product-image-gallery .main-image img {
    width: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.image-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

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

.thumbnail.active {
    border-color: #2c5aa0;
}

.thumbnail:hover {
    border-color: #ff6b35;
}

.thumbnail img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

/* 产品信息详情 */
.product-info-detail {
    padding: 20px 0;
}

.product-header {
    margin-bottom: 30px;
}

.product-title-main {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.product-title-en {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
    margin-bottom: 20px;
}

/* 产品货号信息 */
.product-code-info {
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.05) 0%, rgba(74, 144, 226, 0.05) 100%);
    border-radius: 6px;
    border-left: 4px solid #2c5aa0;
}

.code-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
}

.code-label {
    font-weight: 600;
    color: #333;
}

.code-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.code-value {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #2c5aa0 0%, #4a90e2 100%);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    letter-spacing: 1px;
    box-shadow: 0 2px 6px rgba(44, 90, 160, 0.3);
}

.copy-code-btn {
    background: #fff;
    border: 1px solid #2c5aa0;
    color: #2c5aa0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    line-height: 1;
    font-weight: 600;
}

.copy-code-btn:hover {
    background: #2c5aa0;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(44, 90, 160, 0.3);
}

.copy-code-btn.copied {
    background: #28a745;
    border-color: #28a745;
    color: #fff;
}

/* 产品优势 */
.product-advantages {
    margin-bottom: 1.5rem;
}

.advantages-title {
    font-size: 1rem;
    color: #333;
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.advantages-grid {
    margin: 0;
    padding-left: 1.2rem;
    list-style-type: disc;
    list-style-position: outside;
}

.advantage-card {
    margin-bottom: 0.9rem;
    color: #555;
    line-height: 1.3;
    font-size: 0.9rem;
}

.advantage-text {
    display: inline;
}
.advantage-card {
    background: white;
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, #2c5aa0, #4a90e2);
    border-radius: 3px 0 0 3px;
}

/* 产品规格和价格 */
.product-specs {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #e9ecef;
}

.spec-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.spec-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.spec-option {
    padding: 0.5rem 0.3rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fff;
    text-align: center;
    min-height: 0;
}

.spec-option:hover {
    border-color: #2c5aa0;
    box-shadow: 0 2px 6px rgba(44, 90, 160, 0.1);
}

.spec-option.active {
    border-color: #2c5aa0;
    background: #2c5aa0;
    color: #fff;
}

.spec-size {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    color: #333;
}

.spec-option.active .spec-size {
    color: #fff;
}

.spec-price {
    color: #ff6b35;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.1rem;
}

.spec-option.active .spec-price {
    color: #ffd700;
}

.spec-stock {
    color: #28a745;
    font-size: 0.75rem;
    margin-bottom: 0.1rem;
}

.spec-option.active .spec-stock {
    color: rgba(255, 255, 255, 0.9);
}

.spec-delivery {
    color: #666;
    font-size: 0.7rem;
    line-height: 1.2;
    width:80px ;
}

.spec-option.active .spec-delivery {
    color: rgba(255, 255, 255, 0.8);
}

/* 操作按钮 */
.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    min-width: 140px;
}

.primary-btn {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
}

.primary-btn:hover {
    background: linear-gradient(135deg, #e55a2e, #e0831a);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,107,53,0.3);
}

.secondary-btn {
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    color: white;
}

.secondary-btn:hover {
    background: linear-gradient(135deg, #245088, #3f82d9);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(44,90,160,0.3);
}

.tertiary-btn {
    background: white;
    color: #2c5aa0;
    border: 2px solid #2c5aa0;
}

.tertiary-btn:hover {
    background: #2c5aa0;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(44,90,160,0.2);
}

/* 促销信息 */
.promotion-info {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border: 1px solid #fdd835;
    border-radius: 12px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.promotion-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.promotion-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.promotion-content p {
    margin-bottom: 8px;
    color: #856404;
    font-weight: 500;
}

.promotion-content p:last-child {
    margin-bottom: 0;
    font-size: 14px;
    opacity: 0.8;
}

/* 产品详细信息标签切换区域 */
.product-details-section {
    background: #f8f9fa;
    padding: 60px 0;
}

.product-tabs {
    display: flex;
    background: #f8f9fa;
    border-radius: 8px 8px 0 0;
    padding: 4px 4px 0 4px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
    margin-bottom: 0;
    overflow-x: auto;
    border: 1px solid #e9ecef;
    border-bottom: none;
    gap: 2px;
}

.product-tab {
    flex: 1;
    background: #fff;
    border: none;
    padding: 12px 16px;
    border-radius: 6px 6px 0 0;
    font-size: 15px;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 110px;
    position: relative;
    border: 1px solid #e9ecef;
    border-bottom: none;
}

.product-tab:hover {
    color: #2c5aa0;
    background: rgba(44,90,160,0.05);
    transform: translateY(-1px);
}

.product-tab.active {
    background: linear-gradient(135deg, #2c5aa0 0%, #4a90e2 100%);
    color: #fff;
    font-weight: 600;
    border-color: #2c5aa0;
    transform: translateY(-1px);
    z-index: 1;
}

/* 标签内容 */
.tab-contents {
    background: white;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    overflow: hidden;
    margin-top: 0;
    border: 1px solid #e9ecef;
    border-top: none;
}

.tab-content {
    display: none;
    padding: 40px;
}

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

.content-wrapper h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 10px;
    padding-bottom: 1px;
    border-bottom: 3px solid #2c5aa0;
    display: inline-block;
}

/* 产品概述样式 */
.overview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}
.overview-text p{
    padding: 10px 0;

}
.overview-text h4 {
    color: #2c5aa0;
    font-size: 1.2rem;
    margin: 15px 0 5px 0;
    font-weight: 600;
}

.overview-text ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.overview-text li {
    margin-bottom: 8px;
    color: #555;
}

.overview-visual {
    text-align: center;
}

.product-structure img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.image-caption {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
    font-style: italic;
}

/* 产品参数表格 */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.spec-table tr {
    border-bottom: 1px solid #eee;
}

.spec-table tr:hover {
    background: #f8f9fa;
}

.param-label {
    padding: 15px 20px;
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    width: 200px;
    border-right: 1px solid #eee;
}

.param-value {
    padding: 15px 20px;
    color: #555;
}

/* 使用说明书样式 */

.manual-content {
    margin-bottom: 40px;
}

.manual-content h4 {
    color: #2c5aa0;
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.manual-content ol,
.manual-content ul {
    margin-left: 20px;
}

.manual-content li {
    margin-bottom: 8px;
    color: #555;
    line-height: 1.6;
}

.manual-content strong {
    color: #333;
}

.manual-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 20px 0;
}
.manual-content th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
.manual-content th {
    background-color: #f2f2f2;
}
.product-info {
    margin-bottom: 20px;
}
.note {
    background-color: #f9f9f9;
    padding: 10px;
    border-left: 4px solid #3498db;
    margin: 10px 0;
}
.formula {
    font-family: monospace;
    background-color: #f5f5f5;
    padding: 10px;
    margin: 10px 0;
    border-radius: 4px;
}
.manual-content ul {
    margin-left: 20px;
}



.manual-section {
    margin-bottom: 40px;
}

.manual-section h4 {
    color: #2c5aa0;
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.manual-section ol,
.manual-section ul {
    margin-left: 20px;
}

.manual-section li {
    margin-bottom: 8px;
    color: #555;
    line-height: 1.6;
}

.manual-section strong {
    color: #333;
}

/* FAQ样式 */
.faq-content {
    max-width: 1100px;
}

.faq-item {
    margin-bottom: 25px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    background: #f8f9fa;
    padding: 20px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question h4 {
    margin: 0;
    color: #333;
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-answer {
    padding: 20px;
    background: white;
}

.faq-answer p {
    margin: 0;
    color: #555;
    line-height: 1.6;
}

/* 文献引用样式 */
.citations-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.stat-card {
    text-align: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(102,126,234,0.3);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.recent-citations h4 {
    color: #2c5aa0;
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.citation-list .citation-item {
    padding: 25px 15px; /* 增加内边距以容纳阴影 */
    margin: 0 -15px; /* 抵消内边距对布局的影响 */
    border-bottom: 1px solid #e9ecef;
    transition: all 0.3s ease;
    border-radius: 8px; /* 为悬浮状态增加圆角 */
}

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

.citation-list .citation-item:hover {
    transform: translateY(-3px); /* 恢复并微调上浮效果 */
    box-shadow: 0 4px 15px rgba(44, 90, 160, 0.1); /* 添加精致的阴影 */
    border-color: transparent; /* 悬浮时隐藏底边线 */
    background-color: #fff; /* 确保背景色能覆盖下层元素 */
}

.citation-info h5 {
    margin-bottom: 12px;
    font-weight: 600;
    font-size: 1.15rem; /* 增大标题字号 */
    line-height: 1.4; /* 适配新字号 */
}

.citation-title-link {
	text-decoration:none;
    color: #2c5aa0;
    transition: color 0.3s ease;
}
.citation-title-link:hover {
    color: #1e3f74;
}

.journal-info {
    color: #495057;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.citation-desc {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* 相关产品样式 */
.related-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.related-product-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.related-product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

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

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

.related-product-item:hover .product-image img {
    transform: scale(1.1);
}

.related-product-item .product-info {
    padding: 20px;
}

.related-product-item .product-info h4 {
    font-size: 1.2em;
    color: #2c5aa0;
    font-weight: 600;
    margin-bottom: 10px;
}

.related-product-item .product-info a {
    text-decoration: none;
    color: #2c5aa0;
}
.related-product-item .product-info a:hover{
    color: #ff6b35;
}

.product-code {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.product-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.related-product-item .product-price {
    color: #ff6b35;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.related-product-item .inquiry-btn {
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
}

.related-product-item .inquiry-btn:hover {
    background: linear-gradient(135deg, #245088, #3f82d9);
    transform: translateY(-2px);
}

/* 相关资讯样式 */
.related-news {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.news-item {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.news-item:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
    border-color: #2c5aa0;
}

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

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

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

.news-content {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.news-category {
    background: linear-gradient(135deg, #2c5aa0, #4a90e2);
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-date {
    color: #666;
    font-size: 0.85rem;
}

.news-title {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-desc {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    color: #2c5aa0;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.news-link:hover {
    color: #4a90e2;
    transform: translateX(5px);
}

/* 技术支持区域 */
.tech-support-section {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 80px 0;
}

.support-header {
    text-align: center;
    margin-bottom: 60px;
}

.support-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.support-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.support-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.support-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-10px);
}

.support-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.support-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.support-item p {
    opacity: 0.9;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-main-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-images {
        position: relative;
        top: auto;
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .citations-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .product-main-section {
        padding: 20px 0;
    }
    
    .product-title-main {
        font-size: 1.8rem;
    }
    
    .product-title-en {
        font-size: 1.1rem;
    }
    
    .product-tabs {
        flex-wrap: wrap;
        padding: 0;
    }
    
    .product-tab {
        margin-bottom: 0;
        text-align: center;
        flex: auto;
        min-width: 100px;
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .tab-content {
        padding: 20px;
    }
    
    .citations-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .related-products {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .spec-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
    }
    
    .spec-option {
        min-width: unset;
        padding: 0.4rem 0.2rem;
        font-size: 0.85rem;
    }
    
    .spec-size {
        font-size: 0.8rem;
    }
    
    .spec-price {
        font-size: 0.8rem;
    }
    
    .spec-stock {
        font-size: 0.7rem;
    }
    
    .spec-delivery {
        font-size: 0.65rem;
    }
    
    .advantages-grid {
        padding-left: 1rem;
    }
    
    .related-news {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    /* 修复移动端面包屑被搜索框覆盖的问题 */
    .breadcrumb-section {
        margin-top: 120px;
        padding: 15px 0;
    }
    
    .product-main-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-images {
        position: static;
        order: 1;
    }
    
    .product-info-detail {
        order: 2;
        padding: 0;
    }
}



/* 产品分享功能样式 */
.product-share {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.share-title {
    font-size: 1rem;
    color: #333;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    color: #555;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.share-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.share-btn.wechat:hover {
    border-color: #07c160;
    color: #07c160;
}

.share-btn.qq:hover {
    border-color: #1296db;
    color: #1296db;
}

.share-btn.email:hover {
    border-color: #ff6b35;
    color: #ff6b35;
}

.share-btn.copy:hover {
    border-color: #2c5aa0;
    color: #2c5aa0;
}

.share-icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

@media (max-width: 768px) {
    .share-buttons {
        grid-template-columns: 1fr;
    }
    
    .share-btn {
        padding: 0.5rem;
        font-size: 0.8rem;
    }
}
/* 产品功能按钮 */
.product-functions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #e9ecef;
}

.function-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid #2c5aa0;
    border-radius: 6px;
    background: #fff;
    color: #2c5aa0;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.function-btn:hover {
    background: #2c5aa0;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(44, 90, 160, 0.3);
}

.function-btn.copy-info:hover {
    background: linear-gradient(135deg, #2c5aa0 0%, #4a90e2 100%);
}

.function-btn.download-manual:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    border-color: #ff6b35;
}

.function-icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .product-functions {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
    
    .function-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .function-icon {
        width: 14px;
        height: 14px;
    }
}