/* ============================================
   JunShi Framework - 下载页面样式
   ============================================ */

.download-section {
    padding: 60px 0 100px;
}

/* 版本高亮 */
.version-highlight {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 48px;
    text-align: center;
}

.version-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-1);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.version-highlight h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.version-date {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.version-changelog {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.version-changelog h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.version-changelog ul {
    list-style: none;
}

.version-changelog li {
    color: var(--text-secondary);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.version-changelog li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-light);
}

/* 下载网格 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.download-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    box-shadow: var(--shadow-lg);
}

.download-platform {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.download-platform .platform-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-platform .platform-icon svg {
    width: 32px;
    height: 32px;
}

.platform-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.platform-version {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.download-details {
    margin-bottom: 24px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.detail-value {
    font-weight: 500;
    font-size: 0.9rem;
}

.btn-download {
    width: 100%;
    padding: 14px;
}

.download-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 12px;
}

/* 源码下载 */
.source-download {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    margin-bottom: 48px;
}

.source-download h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.source-download p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.source-options {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.source-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    font-weight: 500;
    transition: var(--transition);
}

.source-link:hover {
    background: var(--gradient-1);
    border-color: transparent;
    color: white;
}

.source-link svg {
    width: 20px;
    height: 20px;
}

/* 历史版本 */
.version-history {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.version-history h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.version-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.version-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.version-item:hover {
    background: var(--border-light);
}

.version-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.version-number {
    font-weight: 600;
    font-size: 1.1rem;
}

.version-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.version-tag {
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
}

.version-tag.stable {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.version-tag.beta {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.version-tag.alpha {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .source-options {
        flex-direction: column;
        align-items: center;
    }
    
    .source-link {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .version-item {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .version-info {
        flex-direction: column;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .version-highlight {
        padding: 24px;
    }
    
    .version-highlight h2 {
        font-size: 1.5rem;
    }
    
    .download-card {
        padding: 24px;
    }
    
    .source-download {
        padding: 24px;
    }
}