.download-section {
    padding: 2rem 0;
    margin: 0 auto;
    max-width: 1200px;
}

.version-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 2rem;
}

.download-grid {
    display: grid;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.download-item {
    background: #f5f5f5;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.version-info {
    margin-bottom: 1rem;
}

.release-date {
    color: #666;
    font-size: 0.9rem;
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #e74c3c;
    color: white;
    padding: 1rem;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
}

.download-button:hover {
    background: #c0392b;
}

.os-icon {
    font-size: 1.5rem;
}

.file-size {
    margin-left: auto;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .download-grid {
        gap: 1rem;
    }
    
    .download-button {
        padding: 0.8rem;
    }
}

.game-info {
    padding: 4rem 0;
    background: #f8f9fa;
}

.game-description {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.requirements-grid {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.faq-section details {
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.faq-section summary {
    cursor: pointer;
    font-weight: bold;
}

.version-history {
    margin: 2rem 0;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.version-notes {
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255,255,255,0.9);
    border-radius: 6px;
    font-size: 0.9rem;
}

.version-notes h4 {
    margin-bottom: 0.5rem;
    color: #333;
}

.version-notes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.version-notes li {
    margin: 0.5rem 0;
    color: #444;
}

/* 添加侧边广告样式 */
.main {
    position: relative;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1rem;
}

.side-ads {
    position: relative;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.side-ad {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 160px;
    height: 600px;
    z-index: 10;
}

.side-ad.left {
    left: calc((100% - 1600px) / 2);
}

.side-ad.right {
    right: calc((100% - 1600px) / 2);
}

/* 响应式布局调整 */
@media (max-width: 1700px) {
    .side-ad.left {
        left: 0;
    }
    .side-ad.right {
        right: 0;
    }
}

@media (max-width: 1400px) {
    .side-ad {
        display: none; /* 在较小屏幕上隐藏侧边广告 */
    }
}

@media (max-width: 768px) {
    .main {
        padding: 0 0.5rem;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .download-item {
        padding: 1rem;
    }
    
    .download-button {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .version-notes {
        padding: 0.8rem;
    }
}

/* 优化移动端字体大小 */
@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.2rem;
    }
    
    .version-notes {
        font-size: 0.8rem;
    }
    
    .file-size {
        font-size: 0.8rem;
    }
}

.banner-ad {
    width: 100%;
    margin: 1rem auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.desktop-ad {
    display: block;
    width: 728px;
    height: 90px;
}

.mobile-ad {
    display: none;
    width: 320px;
    height: 50px;
}

/* 响应式处理 */
@media (max-width: 768px) {
    .desktop-ad {
        display: none;
    }
    
    .mobile-ad {
        display: block;
    }
    
    .banner-ad {
        height: 50px;
    }
}