/* 响应式样式 - 平板设备 */
@media (max-width: 992px) {
    /* 基础样式调整 */
    .section-padding {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .section-header p {
        font-size: 16px;
    }

    /* 导航栏调整 */
    .nav-links {
        gap: 20px;
    }

    /* 首页样式调整 */
    .banner-content h1 {
        font-size: 40px;
    }

    .banner-content p {
        font-size: 18px;
    }

    .services-grid,
    .products-grid,
    .cases-slider,
    .testimonials-slider {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 页脚调整 */
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式样式 - 移动设备 */
@media (max-width: 768px) {
    /* 基础样式调整 */
    .section-padding {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* 导航栏调整 */
    .nav-links {
        display: none;
    }

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

    /* 首页样式调整 */
    .banner {
        min-height: 500px;
    }

    .banner-content h1 {
        font-size: 32px;
    }

    .banner-content p {
        font-size: 16px;
    }

    .banner-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .services-grid,
    .products-grid,
    .cases-slider,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }

    .contact-cta-content h2 {
        font-size: 28px;
    }

    .contact-cta-content p {
        font-size: 16px;
    }

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

    .footer-logo,
    .footer-links,
    .footer-contact,
    .footer-social {
        text-align: center;
    }

    .footer-links h4::after,
    .footer-contact h4::after,
    .footer-social h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

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

/* 响应式样式 - 小屏移动设备 */
@media (max-width: 480px) {
    /* 导航栏调整 */
    .navbar .container {
        height: 70px;
    }

    .logo-text {
        font-size: 20px;
    }

    .logo-img {
        height: 35px;
    }

    /* 首页样式调整 */
    .banner-content h1 {
        font-size: 28px;
    }

    .service-card,
    .product-card,
    .case-item,
    .testimonial-card {
        padding: 20px;
    }

    .product-card img,
    .case-item img {
        height: 180px;
    }

    .testimonial-author img {
        width: 50px;
        height: 50px;
    }
}