/* 页面标题 */
.page-header {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
}

.breadcrumb {
    font-size: 14px;
    opacity: 0.8;
}

.breadcrumb a {
    color: var(--text-white);
}

.breadcrumb a:hover {
    color: var(--accent-color);
}

.breadcrumb span {
    margin: 0 10px;
}

/* 产品筛选 */
.product-filter {
    padding: 30px 0;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

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

.filter-btn {
    padding: 12px 25px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

/* 产品列表 */
.products-list {
    padding: 80px 0;
}

.products-grid-large {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.product-item {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
    padding: 40px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.product-item:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.product-image-large {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.product-image-large img {
    width: 90%;
    height: 90%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    background: var(--accent-color);
    color: var(--text-white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
}

.product-badge.hot {
    background: #ff6b35;
}

.product-details h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.product-subtitle {
    font-size: 16px;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.product-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-color);
}

.product-features li i {
    color: var(--accent-color);
    font-size: 12px;
}

.product-actions {
    display: flex;
    gap: 15px;
}

.btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--text-white);
}

/* 响应式 */
@media (max-width: 1024px) {
    .product-item {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-image-large img {
        height: 280px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 150px 0 60px;
    }

    .page-header h1 {
        font-size: 28px;
    }

    .filter-tabs {
        gap: 10px;
    }

    .filter-btn {
        padding: 10px 18px;
        font-size: 13px;
    }

    .product-item {
        padding: 25px;
    }

    .product-details h3 {
        font-size: 24px;
    }

    .product-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        text-align: center;
    }
}