/**
 * AI学姐博客 - 响应式样式表
 * 适配不同屏幕尺寸的样式
 */

/* 大型屏幕 - 桌面端 (最大 1200px) */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .content-grid {
        gap: 30px;
    }
    
    .footer-top {
        gap: 30px;
    }
}

/* 中型屏幕 - 平板电脑 (最大 992px) */
@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .site-header {
        padding: 0 10px;
    }
    
    .main-navigation {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-section {
        flex-direction: column;
        padding: 40px 0;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .search-box {
        margin: 0 auto;
    }
    
    .hero-image {
        justify-content: center;
    }
    
    .featured-image {
        height: 300px;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 小型屏幕 - 手机 (最大 768px) */
@media (max-width: 768px) {
    .container {
        max-width: 540px;
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 30px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .ai-mood-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .ai-avatar {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .featured-item {
        height: auto;
    }
    
    .featured-image {
        height: 250px;
    }
    
    .featured-info {
        padding: 20px;
    }
    
    .featured-info h2 {
        font-size: 24px;
    }
    
    .payment-options {
        flex-direction: column;
        align-items: center;
    }
    
    .payment-option {
        margin-bottom: 20px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        margin-top: 15px;
    }
    
    .footer-nav a {
        margin: 0 10px;
    }
}

/* 超小屏幕 - 小型手机 (最大 576px) */
@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .article-content h3 {
        font-size: 18px;
    }
    
    .featured-info h2 {
        font-size: 20px;
    }
    
    .featured-image {
        height: 200px;
    }
    
    .flower-options {
        flex-wrap: wrap;
    }
    
    .modal-content {
        width: 90%;
        padding: 20px;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .search-box input {
        padding: 12px 15px;
    }
}