/* SA加速器网站响应式样式 */

/* 大型设备 (笔记本电脑，1200px及以下) */
@media (max-width: 1200px) {
    .main-container {
        padding: 0 30px;
    }
}

/* 中型设备 (平板电脑，992px及以下) */
@media (max-width: 992px) {
    .highlight-text {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .feature-title {
        font-size: 20px;
    }
    
    .feature-subtitle {
        font-size: 14px;
    }
    
    .app-icons {
        padding: 0 20px;
    }
    
    .world-map {
        padding: 0 10px;
    }
    
    .advantage-row {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .advantage-item {
        flex: 0 0 45%;
        margin-bottom: 20px;
    }
}

/* 小型设备 (移动电话，768px及以下) */
@media (max-width: 768px) {
    .main-container {
        padding: 0 15px;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .highlight-text {
        font-size: 24px;
    }
    
    .hero-section {
        flex-direction: column;
        padding-top: 20px;
    }
    
    .hero-left {
        max-width: 100%;
        padding-right: 0;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .app-preview {
        width: 90%;
        max-width: 400px;
    }
    
    .download-buttons {
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .feature-card {
        padding: 20px 15px;
    }
    
    .app-icons {
        gap: 10px;
    }
    
    .app-icons img {
        width: 35px;
        height: 35px;
    }
    
    .feature-items {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }
    
    .feature-item {
        margin-bottom: 0;
    }
    
    .advantage-row {
        flex-direction: column;
        align-items: center;
        margin-bottom: 10px;
    }
    
    .advantage-item {
        flex: 0 0 100%;
        max-width: 220px;
        margin-bottom: 25px;
    }
}

/* 极小型设备 (小型移动电话，576px及以下) */
@media (max-width: 576px) {
    .logo img {
        height: 30px;
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    .highlight-text {
        font-size: 22px;
    }
    
    .hero-content p {
        font-size: 14px;
    }
    
    .small-text {
        font-size: 10px;
    }
    
    .feature-title {
        font-size: 18px;
    }
    
    .feature-title .dot {
        width: 4px;
        height: 4px;
        margin: 0 6px;
    }
    
    .feature-subtitle {
        font-size: 12px;
    }
    
    .app-icons img {
        width: 30px;
        height: 30px;
    }
    
    .feature-card {
        padding: 15px;
        border-radius: 12px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon img {
        width: 30px;
        height: 30px;
    }
    
    .advantage-icon {
        width: 40px;
        height: 40px;
    }
    
    .advantage-icon img {
        width: 20px;
        height: 20px;
    }
    
    .advantage-item h4 {
        font-size: 14px;
    }
    
    .footer {
        font-size: 12px;
    }
}