/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero p {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .hero-video-container {
        flex-direction: column;
    }

    .video-half {
        height: 50%;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .cta-button {
        padding: 15px 40px;
        font-size: 1.1rem;
    }

    .section {
        padding: 100px 20px 50px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .nav-links {
        display: none;
    }

    .benefits {
        flex-direction: column;
    }

    .services-nav,
    .customization-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        height: auto;
    }
    
    .service-btn,
    .custom-btn {
        flex: 0 0 100%;
    }

    .solution-card {
        height: auto;
    }

    .solution-detail {
        max-height: none;
        padding-top: 20px;
    }

    .qr-code {
        left: 0;
        transform: translateX(0);
    }

    .qr-code.active {
        left: 0;
    }

    .footer-column {
        flex: 1 0 100%;
        text-align: center;
        max-width: 100%;
    }

    .footer-column h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-icons {
        justify-content: center;
    }

    .footer-links li {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .cta-button {
        padding: 14px 35px;
        font-size: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links li {
        margin-left: 10px;
    }
    
    .nav-links a {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .custom-nav-grid {
        grid-template-columns: 1fr;
    }
    
    .custom-content-wrapper {
        flex-direction: column;
    }
    
    .custom-image {
        height: 250px;
        margin-bottom: 30px;
    }
}