/* ============================================
   产品中心页面样式
   ============================================ */

/* 开锁方式展示 */
.unlock-showcase {
    background: var(--bg-white);
    padding: 100px 0;
}

.showcase-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

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

.showcase-item.reverse {
    direction: rtl;
}

.showcase-item.reverse > * {
    direction: ltr;
}

.showcase-images {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.showcase-images .main-img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.thumb-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.thumb-images img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.thumb-images img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.showcase-info {
    padding: 20px 0;
}

.showcase-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    margin-bottom: 25px;
    box-shadow: var(--shadow-md);
}

.showcase-info h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.showcase-info > p {
    color: var(--text-medium);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--text-dark);
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.feature-list li i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 150px 0 80px;
    text-align: center;
    color: white;
}

.page-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
}

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

/* 产品筛选 */
.product-filter {
    background: var(--bg-white);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-medium);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.filter-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* 产品列表 */
.products-list {
    background: var(--bg-light);
    padding: 60px 0 100px;
}

.products-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.product-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-item:hover {
    box-shadow: var(--shadow-md);
}

/* 产品图片 */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.product-main-image {
    aspect-ratio: 1;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image-placeholder {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
}

/* 产品图片样式 */
.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

/* 产品信息 */
.product-info {
    display: flex;
    flex-direction: column;
}

.product-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.product-header h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.product-tag {
    padding: 5px 12px;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.product-desc {
    color: var(--text-medium);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

/* 产品功能 */
.product-features {
    margin-bottom: 30px;
}

.product-features h4,
.product-specs h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.product-features ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.product-features li i {
    color: var(--accent-color);
}

/* 技术参数表 */
.product-specs {
    margin-bottom: 30px;
}

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

.product-specs td {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.product-specs td:first-child {
    color: var(--text-medium);
    width: 30%;
}

.product-specs td:last-child {
    color: var(--text-dark);
    font-weight: 500;
}

/* 产品操作按钮 */
.product-actions {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

/* 定制服务 CTA */
.custom-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    text-align: center;
}

.custom-cta .cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.custom-cta h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 15px;
}

.custom-cta p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
}

.custom-cta .btn-primary {
    background: var(--accent-color);
    color: white;
}

.custom-cta .btn-primary:hover {
    background: var(--accent-hover);
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-item {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-main-image {
        aspect-ratio: 16/9;
    }
    
    .showcase-item,
    .showcase-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 40px;
    }
    
    .showcase-item.reverse > * {
        direction: ltr;
    }
    
    .showcase-images .main-img {
        height: 300px;
    }
    
    .unlock-showcase {
        padding: 60px 0;
    }
    
    .showcase-grid {
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .filter-tabs {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .product-item {
        padding: 25px;
    }
    
    .product-header h2 {
        font-size: 1.4rem;
    }
    
    .product-features ul {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .showcase-info h3 {
        font-size: 1.5rem;
    }
    
    .showcase-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .thumb-images img {
        height: 100px;
    }
}