/* 动画关键帧 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 70px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
    
    .product-hero {
        padding: 80px 0;
    }
    
    .product-intro {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .product-hero h2 {
        font-size: 2.2rem;
    }
    
    .product-highlights {
        flex-direction: column;
        gap: 25px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-card {
        padding: 30px 25px;
    }
    
    .tech-features {
        padding: 80px 0;
    }
    
    .tech-features h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .product-hero h2 {
        font-size: 1.8rem;
    }
    
    .highlight-number {
        font-size: 2.2rem;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
}