/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-image {
        height: 180px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }

    .container {
        max-width: 540px;
        padding: 0 15px;
    }
    
    .header .container {
        flex-wrap: wrap;
    }
    
    .logo {
        flex: 1;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 1rem;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav ul {
        flex-direction: column;
    }
    
    .nav li {
        margin: 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav a {
        display: block;
        padding: 1rem;
    }
    
    .hero-slider {
        padding: 120px 0 80px;
        margin-top: 60px;
    }
    
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .downloads-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 576px) {
    .product-image {
        height: 150px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .hero-slider {
        padding: 100px 0 60px;
    }
    
    .slide-content h2 {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .feature-item,
    .product-card,
    .download-item {
        padding: 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .login-form {
        padding: 2rem;
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .btn,
    .mobile-menu-btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .container {
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .hero-slider,
    .features,
    .about-preview {
        background: white !important;
        color: black !important;
        padding: 1rem 0 !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid;
    }
    
    .nav a {
        border: 1px solid transparent;
    }
    
    .nav a:hover,
    .nav a.active {
        border-color: currentColor;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 黑暗模式支持 */
@media (prefers-color-scheme: dark) {
    /* 这里可以添加黑暗模式样式 */
}

/* 触控设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .feature-item:hover,
    .product-card:hover {
        transform: none;
    }
    
    .nav li {
        padding: 0.5rem 0;
    }
}

@media (max-width: 768px) {
    .neon-text {
        text-shadow: 0 0 5px var(--neon-blue);
    }
    
    .tech-product-card:hover {
        transform: translateY(-5px);
    }
    
    .btn-tech {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}