/* 下载主区域 */
.download-main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* 下载卡片样式 */
.download-card {
    background: var(--header-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.download-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.download-header h3 {
    margin: 0;
    font-size: 1.2rem;
    flex: 1;
}

.download-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* 下载元数据 */
.download-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
}

.meta-label {
    font-weight: bold;
    margin-right: 0.5rem;
}

/* 下载按钮 */
.download-actions {
    display: flex;
    gap: 1rem;
}

.btn-download {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-download:hover {
    background: #4890E9;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .download-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}