/* ========== 产品列表页面专用样式 ========== */

/* 产品筛选按钮 */
.filter-section {
    margin-bottom: 40px;
}

.filter-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--border);
    background: var(--bg);
    color: var(--text);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--duration) var(--ease-out);
    font-weight: 500;
    font-size: 0.9rem;
    font-family: var(--font-family);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-alpha);
}

.filter-btn.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(12, 79, 150, 0.3);
}

/* 搜索框 */
.search-box {
    display: flex;
    max-width: 400px;
    margin: 20px auto 0;
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--text);
    background: var(--bg);
    outline: none;
    transition: border-color var(--duration) var(--ease-out);
}

.search-box input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-alpha);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box button {
    padding: 12px 20px;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    transition: all var(--duration) var(--ease-out);
    font-size: 1rem;
}

.search-box button:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-glow);
}

/* 产品网格 */
.products-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.product-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--duration) var(--ease-out);
}

.product-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-alpha);
}

.product-image {
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

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

.product-details {
    padding: 24px;
}

.product-details h3 {
    color: var(--text);
    margin-bottom: 10px;
    font-size: 1.4rem;
    font-weight: 600;
    transition: color var(--duration) var(--ease-out);
}

.product-item:hover .product-details h3 {
    color: var(--primary);
}

.product-price {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.product-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.product-actions {
    display: flex;
    gap: 12px;
}

.product-actions .btn {
    flex: 1;
    text-align: center;
    padding: 12px 20px;
    font-size: 0.9rem;
}

/* 解决方案卡片（复用首页样式扩展） */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 28px;
}

.solution-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--duration) var(--ease-out);
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-alpha);
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 2rem;
    box-shadow: 0 8px 24px rgba(12, 79, 150, 0.25);
}

.solution-card h4 {
    color: var(--primary);
    margin-bottom: 14px;
    font-size: 1.3rem;
    font-weight: 600;
}

.solution-card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.solution-link {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--duration) var(--ease-out);
}

.solution-link:hover {
    color: var(--primary);
    gap: 10px;
}

/* 成功案例 */
.case-studies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.case-item {
    background: var(--primary-gradient);
    color: #fff;
    border-radius: var(--radius-md);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
}

.case-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-item::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
}

.case-item::after {
    content: '';
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
}

.case-content {
    position: relative;
    z-index: 1;
}

.case-content h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.case-content p {
    margin-bottom: 14px;
    line-height: 1.7;
    opacity: 0.9;
    font-size: 0.95rem;
}

.case-date {
    opacity: 0.7;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1.5px solid var(--border);
    color: var(--text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease-out);
    font-weight: 500;
    font-size: 0.9rem;
}

.page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-alpha);
}

.page-btn.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(12, 79, 150, 0.25);
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .products-grid-full {
        grid-template-columns: 1fr;
    }

    .case-studies {
        grid-template-columns: 1fr;
    }

    .filter-buttons {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .search-box {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .product-actions {
        flex-direction: column;
    }

    .product-actions .btn {
        flex: none;
    }

    .product-image img {
        height: 200px;
    }

    .pagination {
        gap: 6px;
    }

    .page-btn {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
}