/* 响应式样式 */

/* 平板电脑 */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .photo-grid,
    .article-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 大型手机 */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .header {
        padding: var(--spacing-sm) 0;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--background-color);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-speed) ease;
        z-index: 200;
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .menu-toggle {
        display: flex;
        z-index: 300;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero {
        height: 90vh;
        padding-top: 80px;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .preview-section {
        padding: var(--spacing-lg) 0;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: var(--spacing-md);
    }

    .social-links {
        gap: var(--spacing-md);
    }

    .social-link {
        width: 50px;
        height: 50px;
    }

    .social-link svg {
        width: 25px;
        height: 25px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* 小型手机 */
@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

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

    .subtitle {
        font-size: 1rem;
    }

    .photo-grid,
    .article-list {
        grid-template-columns: 1fr;
    }

    .article-card {
        padding: var(--spacing-sm);
    }

    .social-links {
        gap: var(--spacing-sm);
    }

    .social-link {
        width: 40px;
        height: 40px;
    }

    .social-link svg {
        width: 20px;
        height: 20px;
    }

    .footer-links {
        gap: var(--spacing-sm);
    }
}