/* 响应式修复样式 */

/* 导航栏响应式调整 */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        z-index: 100;
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-link {
       
        width: 100%;
        text-align: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text {
        width: 100%;
        text-align: center;
        padding-right: 50px;
    }
    
    .hero-visual {
        width: 100%;
        margin-top: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .circular-model {
        transform: scale(0.8);
        margin: 0 auto;
    }
    
    .concept-grid {
        grid-template-columns: 1fr;
    }
    
    .model-diagram {
        flex-direction: column;
    }
    
    .model-flow {
        flex-direction: column;
    }
    
    .flow-step {
        width: 100%;
        margin-bottom: 1.5rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .challenges-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-content {
        grid-template-columns: 1fr;
    }
    
    .participate-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-column {
        margin-bottom: 2rem;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-links-column h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* 修复引用块样式，确保文字清晰可见 */
.impact-quote blockquote {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.7;
    position: relative;
    padding: 1.5rem 2rem;
    margin: 0;
    background-color: #f8fafc;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    color: #334155;
    border-left: 4px solid #3b82f6;
}

.impact-quote blockquote:before {
    content: '"';
    font-size: 4rem;
    position: absolute;
    left: 10px;
    top: -10px;
    color: #3b82f6;
    opacity: 0.2;
    font-family: Georgia, serif;
}

/* 深色模式下的引用块样式调整 */
@media (prefers-color-scheme: dark) {
    .impact-quote blockquote {
        background-color: #1e293b;
        color: #e2e8f0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }
}

/* 电脑端和移动端的引用块样式调整 */
@media (min-width: 769px) {
    .impact-quote blockquote {
        font-size: 1.2rem;
        padding: 2rem 2.5rem;
    }
    
    .impact-visual {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 1rem;
    }
    
    .impact-quote {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .impact-quote blockquote {
        font-size: 1rem;
        padding: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .impact-quote blockquote:before {
        font-size: 3rem;
    }
}