/* 面包屑导航 */
.breadcrumb-section {
    background: #f8f9fa;
    padding: 1rem 2rem;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: #6c757d;
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-link:hover {
    color: #2563eb;
}

.breadcrumb-separator {
    color: #adb5bd;
}

.breadcrumb-current {
    color: #2c3e50;
    font-weight: 600;
}

/* 产品详情区域 */
.product-detail-section {
    padding: 3rem 2rem;
    background: white;
}

.detail-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.detail-image-wrapper {
    position: sticky;
    top: 100px;
}

.detail-image-main {
    background: #f8f9fa;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.detail-product-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.detail-info-wrapper {
    padding: 1rem 0;
}

.detail-product-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.detail-product-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #495057;
    margin-bottom: 2rem;
}

.detail-features-section {
    margin-bottom: 2.5rem;
}

.detail-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

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

.detail-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.8rem 0;
    font-size: 1rem;
    color: #495057;
    line-height: 1.6;
    border-bottom: 1px solid #f1f3f5;
}

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

.feature-check {
    color: #10b981;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.detail-cta-section {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-detail-inquiry,
.btn-detail-back {
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-detail-inquiry {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    flex: 1;
}

.btn-detail-inquiry:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-detail-back {
    background: #f8f9fa;
    color: #495057;
    border: 2px solid #e9ecef;
}

.btn-detail-back:hover {
    background: #e9ecef;
    border-color: #dee2e6;
}

/* 技术规格区域 */
.specifications-section {
    padding: 3rem 2rem;
    background: #f8f9fa;
}

.spec-container {
    max-width: 1200px;
    margin: 0 auto;
}

.spec-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.spec-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.spec-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.spec-label {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.spec-value {
    font-size: 1.1rem;
    color: #2c3e50;
    font-weight: 600;
}

/* 应用场景区域 */
.applications-section {
    padding: 3rem 2rem;
    background: white;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
}

.app-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

.app-subtitle {
    font-size: 1rem;
    color: #6c757d;
    text-align: center;
    margin-bottom: 2.5rem;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.app-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.app-item:hover {
    background: white;
    border-color: #2563eb;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
}

.app-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.app-name {
    font-size: 1rem;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.4;
}

/* 询价表单区域 */
.inquiry-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.inquiry-container {
    max-width: 800px;
    margin: 0 auto;
}

.inquiry-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    text-align: center;
}

.inquiry-subtitle {
    font-size: 1rem;
    color: #6c757d;
    text-align: center;
    margin-bottom: 2.5rem;
}

.inquiry-form {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[readonly] {
    background: #f8f9fa;
    cursor: not-allowed;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit-inquiry {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 1rem;
}

.btn-submit-inquiry:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

/* 相关产品区域 */
.related-products-section {
    padding: 3rem 2rem;
    background: white;
}

.related-container {
    max-width: 1200px;
    margin: 0 auto;
}

.related-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.related-product-card {
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.related-product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.related-product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

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

.related-product-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.8rem;
}

.related-product-desc {
    font-size: 0.9rem;
    color: #6c757d;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.related-product-link {
    display: inline-block;
    color: #2563eb;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.related-product-link:hover {
    color: #1e40af;
    transform: translateX(3px);
}

/* 响应式设计 - 平板 */
@media (max-width: 1024px) {
    .detail-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .detail-image-wrapper {
        position: relative;
        top: 0;
    }
    
    .spec-grid {
        grid-template-columns: 1fr;
    }
    
    .app-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式设计 - 移动端 */
@media (max-width: 768px) {
    .breadcrumb-section {
        padding: 0.8rem 1rem;
    }
    
    .breadcrumb-container {
        font-size: 0.8rem;
    }
    
    .product-detail-section {
        padding: 2rem 1rem;
    }
    
    .detail-product-title {
        font-size: 1.8rem;
    }
    
    .detail-product-description {
        font-size: 1rem;
    }
    
    .detail-cta-section {
        flex-direction: column;
    }
    
    .btn-detail-inquiry,
    .btn-detail-back {
        width: 100%;
    }
    
    .specifications-section,
    .applications-section,
    .inquiry-section,
    .related-products-section {
        padding: 2rem 1rem;
    }
    
    .spec-title,
    .app-title,
    .inquiry-title,
    .related-title {
        font-size: 1.5rem;
    }
    
    .app-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .inquiry-form {
        padding: 1.5rem;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.detail-container,
.spec-container,
.app-container,
.inquiry-container,
.related-container {
    animation: fadeInUp 0.6s ease-out;
}