/* 响应式设计 */
@media (max-width: 768px) {
    /* 移动端 Hero 区域优化 */
    .hero {
        background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/assets/img/hero-bg-mobile.jpg');
        background-attachment: scroll; /* 移动端取消视差效果 */
        height: 70vh;
        min-height: 400px;
    }
    .main-nav .nav-list {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .main-nav .nav-list.active {
        left: 0;
    }

    .main-nav .nav-list li {
        margin: 15px 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        margin: 20px 0;
    }

    .footer-links a {
        display: block;
        margin: 10px 0;
    }
    
    .product-detail-content {
        grid-template-columns: 1fr;
    }
    
    .product-specs ul li strong {
        width: 100px;
    }
    
    .btn-secondary {
        margin-left: 0;
        margin-top: 10px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 70px;
        padding-right: 0;
        text-align: left;
    }
    
    .timeline-year {
        left: 30px;
        margin-left: 0;
    }
    
    .team-factory-content {
        grid-template-columns: 1fr;
    }
    
    .vision-mission-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .product-comparison {
        overflow-x: auto;
    }
    
    .product-comparison table {
        min-width: 600px;
    }
    
    .honors-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .honor-item {
        padding: 20px;
        height: 350px;
    }
    
    .honor-item img {
        max-width: 150px;
        max-height: 150px;
    }
    
    .legal-info {
        font-size: 0.8rem;
    }
    
    .legal-info a {
        display: block;
        margin: 5px 0;
    }
    
    .legal-info span {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-specs ul li strong {
        width: 100px;
    }
    
    .team-factory-content {
        grid-template-columns: 1fr;
    }
    
    .vision-mission-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}