/* 同泰集团网站 - 响应式样式 */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .section-title h2 {
        font-size: 2.3rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

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

/* 手机设备 (小于768px) */
@media (max-width: 768px) {
    /* 导航菜单 */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0;
        text-align: center;
        padding: 15px 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .header-actions .contact-actions {
        display: none;
    }

    /* 英雄区域 */
    .hero {
        padding: 150px 0 80px;
    }

    .hero h1 {
        font-size: 2.3rem;
    }

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

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    /* 产品网格 */
    .products-grid {
        grid-template-columns: 1fr;
    }

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

    /* 系列页面头部 */
    .series-header h1 {
        font-size: 2.2rem;
    }

    .series-description {
        font-size: 1.1rem;
    }

    /* 产品详情 */
    .product-detail-header h1 {
        font-size: 2rem;
    }

    .specs-table {
        display: block;
        overflow-x: auto;
    }

    /* 页脚 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    /* 优势展示 */
    .advantages {
        grid-template-columns: 1fr;
    }

    /* 特色卡片 */
    .highlights {
        flex-direction: column;
        align-items: center;
    }
}

/* 小手机设备 (小于480px) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .btn, .quote-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .product-content, .model-info {
        padding: 20px;
    }

    .specs-table th, .specs-table td {
        padding: 10px;
        font-size: 0.9rem;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }
}