/* 产品详情页样式 */

/* 面包屑导航 */
.breadcrumb {
    background: #f8f9fa;
    padding: 15px 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb a {
    color: #6c757d;
    text-decoration: none;
    margin-right: 5px;
}

.breadcrumb a:hover {
    color: #3498db;
}

.breadcrumb span {
    color: #495057;
    font-weight: 500;
}

/* 产品英雄区域 */
.product-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
}

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

.product-info h1 {
    font-size: 48px;
    margin-bottom: 15px;
    font-weight: bold;
}

.product-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.product-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 15px;
    border-radius: 25px;
    font-size: 14px;
}

.highlight-icon {
    font-size: 16px;
}

.product-actions {
    display: flex;
    gap: 20px;
}

.product-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* 产品概述 */
.product-overview {
    padding: 80px 0;
    background: white;
}

.overview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.overview-text h2 {
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 30px;
}

.overview-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.overview-features h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 20px;
}

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

.feature-list li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 25px;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* 产品结构 */
.product-structure {
    padding: 80px 0;
    background: #f8f9fa;
}

.product-structure h2 {
    text-align: center;
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 50px;
}

.structure-diagram {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.structure-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
}

.structure-components {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.component-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.component-number {
    width: 40px;
    height: 40px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    flex-shrink: 0;
}

.component-info h4 {
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 16px;
}

.component-info p {
    color: #7f8c8d;
    font-size: 14px;
    margin: 0;
}

/* 技术参数 */
.specifications {
    padding: 80px 0;
    background: white;
}

.specifications h2 {
    text-align: center;
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 50px;
}

.spec-tables {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.spec-table {
    background: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
}

.spec-table h3 {
    background: #3498db;
    color: white;
    padding: 20px;
    margin: 0;
    font-size: 20px;
    text-align: center;
}

.spec-table table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table td {
    padding: 15px 20px;
    border-bottom: 1px solid #dee2e6;
    font-size: 14px;
}

.spec-table td:first-child {
    background: #f8f9fa;
    font-weight: 500;
    color: #495057;
    width: 40%;
}

.spec-table td:last-child {
    color: #2c3e50;
    font-weight: 500;
}

/* 应用场景 */
.applications {
    padding: 80px 0;
    background: #f8f9fa;
}

.applications h2 {
    text-align: center;
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 50px;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.application-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.application-card:hover {
    transform: translateY(-10px);
}

.application-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.application-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 22px;
}

.application-card p {
    color: #7f8c8d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.application-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.application-card li {
    padding: 8px 0;
    color: #555;
    font-size: 14px;
    position: relative;
    padding-left: 20px;
}

.application-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

/* 产品优势 */
.advantages {
    padding: 80px 0;
    background: white;
}

.advantages h2 {
    text-align: center;
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 50px;
}

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

.advantage-item {
    text-align: center;
    padding: 30px 20px;
}

.advantage-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.advantage-item h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 20px;
}

.advantage-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 联系咨询 */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    font-size: 24px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-item strong {
    display: block;
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-item p {
    margin: 0;
    opacity: 0.9;
}

/* 咨询表单 */
.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.inquiry-form h3 {
    margin-bottom: 30px;
    font-size: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    color: #333;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.inquiry-form .btn {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .product-info h1 {
        font-size: 36px;
    }
    
    .product-highlights {
        justify-content: center;
    }
    
    .product-actions {
        justify-content: center;
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .structure-diagram {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .spec-tables {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .product-info h1 {
        font-size: 28px;
    }
    
    .product-subtitle {
        font-size: 16px;
    }
    
    .product-highlights {
        flex-direction: column;
        align-items: center;
    }
    
    .highlight-item {
        width: 100%;
        justify-content: center;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .component-item {
        padding: 15px;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}