/* ===== 下载页面样式 ===== */
.download-page {
    background: var(--bg-primary);
}

/* ===== 下载英雄区域 ===== */
.download-hero {
    position: relative;
    padding: var(--space-20) 0 var(--space-16);
    text-align: center;
    overflow: hidden;
}

.download-hero-content {
    position: relative;
    z-index: 1;
}

.desktop-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-100), var(--purple-100));
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
}

.desktop-icon svg {
    width: 80px;
    height: 80px;
}

.download-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.primary-download {
    display: flex;
    justify-content: center;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 16px;
}

/* ===== 下载区块 ===== */
.download-section {
    padding: var(--space-6) 0;
}

.section-card {
    display: flex;
    gap: var(--space-8);
    padding: var(--space-10);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
}

.section-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-600), var(--purple-600));
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.section-content {
    flex: 1;
    min-width: 0;
}

.section-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.beta-badge {
    display: inline-block;
    padding: 2px 10px;
    background: linear-gradient(135deg, var(--primary-500), var(--purple-500));
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-desc {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
    .section-card {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-6);
    }
    
    .section-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ===== 安装选项 ===== */
.install-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.install-option {
    max-width: 100%;
}

.brew-install {
    margin-bottom: var(--space-6);
}

.install-command-box {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--gray-950);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.install-command-box code {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--gray-100);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.copy-btn {
    padding: var(--space-2);
    color: var(--gray-400);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.copy-btn:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-3);
}

.install-option-small .install-command-box {
    padding: var(--space-3) var(--space-4);
}

.install-option-small code {
    font-size: 13px;
}

/* ===== 下载卡片 ===== */
.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.download-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.download-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    color: var(--gray-700);
    flex-shrink: 0;
}

.card-info {
    flex: 1;
    min-width: 0;
}

.card-info h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.card-meta {
    font-size: 13px;
    color: var(--text-tertiary);
}

.card-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-50);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.download-card:hover .card-action {
    background: var(--primary-600);
    color: white;
}

/* ===== 扩展网格 ===== */
.extension-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.extension-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-6);
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
    min-width: 120px;
}

.extension-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.extension-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
}

.extension-icon.vscode {
    background: #007acc;
    color: white;
}

.extension-icon.cursor {
    background: #1a1a1a;
    color: white;
}

.extension-icon.zed {
    background: #084ccf;
    color: white;
}

.extension-icon.windsurf {
    background: #10b981;
    color: white;
}

.extension-icon.vscodium {
    background: #2f80ed;
    color: white;
}

.extension-card span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* ===== 集成网格 ===== */
.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
}

.integration-card {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-6);
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.integration-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.integration-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    flex-shrink: 0;
}

.integration-icon.github {
    background: var(--gray-900);
    color: white;
}

.integration-icon.gitlab {
    background: #fc6d26;
    color: white;
}

.integration-info {
    flex: 1;
}

.integration-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.integration-info p {
    font-size: 14px;
    color: var(--text-tertiary);
    margin: 0;
}

.integration-action {
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.integration-card:hover .integration-action {
    background: var(--primary-600);
    color: white;
}

/* ===== 下载页 FAQ ===== */
.download-faq {
    padding: var(--space-16) 0;
    background: var(--bg-secondary);
}

.download-faq .section-header {
    margin-bottom: var(--space-10);
}

/* ===== 响应式调整 ===== */
@media (max-width: 600px) {
    .download-hero {
        padding: var(--space-12) 0;
    }
    
    .desktop-icon {
        width: 100px;
        height: 100px;
    }
    
    .desktop-icon svg {
        width: 64px;
        height: 64px;
    }
    
    .download-cards {
        grid-template-columns: 1fr;
    }
    
    .extension-grid {
        justify-content: center;
    }
    
    .integration-grid {
        grid-template-columns: 1fr;
    }
    
    .integration-card {
        flex-direction: column;
        text-align: center;
    }
}