/* 平板电脑和小屏幕设备 */
@media screen and (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.2rem;
    }

    .core-values .container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动设备 */
@media screen and (max-width: 768px) {
    .navbar .container {
        height: 60px;
    }

    .nav-toggle {
        display: block;
        cursor: pointer;
    }

    .nav-toggle span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--text-color);
        margin: 5px 0;
        transition: all 0.3s;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: var(--background-color);
        padding: var(--spacing-md);
        flex-direction: column;
        text-align: center;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

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

    .hero {
        padding: calc(60px + var(--spacing-lg)) 0 var(--spacing-lg);
    }

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

    .hero h2 {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .core-values .container,
    .case-grid,
    .news-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .partner-logos {
        grid-template-columns: repeat(2, 1fr);
    }

    .value-card,
    .case-card,
    .news-card {
        padding: var(--spacing-md);
    }
}

/* 小型移动设备 */
@media screen and (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .partner-logos {
        grid-template-columns: 1fr;
    }

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

/* 打印样式 */
@media print {
    .navbar,
    .hero .cta-buttons,
    .social-links,
    .nav-toggle {
        display: none;
    }

    body {
        color: black;
    }

    a {
        text-decoration: none;
        color: black;
    }

    .hero,
    .core-values,
    .use-cases,
    .partners,
    .news {
        padding: var(--spacing-md) 0;
        page-break-inside: avoid;
    }

    footer {
        background: none;
        color: black;
        border-top: 1px solid var(--border-color);
    }
}