/* responsive.css - 响应式设计补充样式 */

/* 超大屏幕 (≥1400px) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
}

/* 中等屏幕 (≥992px 且 <1200px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板横屏 (≥768px 且 <992px) */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .download-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板竖屏/大手机 (≥576px 且 <768px) */
@media (min-width: 576px) and (max-width: 767px) {
    .container {
        max-width: 540px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .download-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* 小手机 (<576px) */
@media (max-width: 575px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .download-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .download-badges {
        max-width: 100%;
    }
    
    .chains-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tutorial-steps {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .mobile-download-bar,
    .cta-buttons,
    .download-badges {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
    
    .hero,
    .download-section,
    .chains-section,
    .news-section {
        padding: 1cm 0;
        background: none !important;
        color: black !important;
    }
    
    .download-section * {
        color: black !important;
    }
}