/**
 * Enterprise Theme - 响应式样式
 */

/* 大屏幕 (1200px 以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 平板 (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .site-branding {
        flex: 0 0 100%;
        text-align: center;
        margin-bottom: 15px;
    }
    
    .main-navigation {
        flex: 1;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 36px;
    }
}

/* 手机横屏 (576px - 767px) */
@media (max-width: 767px) and (min-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .product-card {
        font-size: 14px;
    }
    
    .hero-section {
        padding: 60px 20px;
    }
    
    .hero-title {
        font-size: 28px;
    }
}

/* 手机竖屏 (575px 以下) */
@media (max-width: 575px) {
    .container {
        padding: 0 15px;
    }
    
    .site-header {
        position: relative;
    }
    
    .header-container {
        flex-direction: column;
        padding: 10px 15px;
    }
    
    .site-branding {
        text-align: center;
        margin-bottom: 10px;
    }
    
    .site-title {
        font-size: 20px;
    }
    
    .main-navigation {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .header-cta {
        text-align: center;
    }
    
    .hero-section {
        padding: 40px 15px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-large {
        padding: 12px 30px;
        font-size: 16px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-single {
        padding: 20px;
    }
    
    .page-header {
        padding: 20px;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .footer-widgets {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .site-footer {
        padding: 40px 0 20px;
    }
    
    .cta-section {
        padding: 30px 20px;
    }
    
    .cta-section h3 {
        font-size: 22px;
    }
}

/* 打印样式 */
@media print {
    .site-header,
    .site-footer,
    .hero-section,
    .cta-section,
    .related-products {
        display: none;
    }
    
    .container {
        max-width: 100%;
    }
    
    body {
        font-size: 12pt;
    }
}