/* ===================================
   下载页面专用样式
   =================================== */

.download-hero {
    padding: 160px 0 80px;
    background: var(--gradient-primary);
    text-align: center;
    color: white;
}

.download-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.download-hero p {
    font-size: 18px;
    opacity: 0.9;
}

.download-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.download-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.download-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
}

.platform-icon svg {
    width: 48px;
    height: 48px;
}

.download-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.platform-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.version-info {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.download-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-size {
    font-size: 13px;
    color: var(--text-muted);
}

.download-note {
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    margin-top: 4px;
}

/* 其他下载选项 */
.more-downloads {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
}

.more-downloads h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.download-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.download-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.download-link:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.download-link .badge {
    margin-left: auto;
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

/* 安装指南 */
.install-guide {
    padding: 80px 0;
    background: white;
}

.install-guide h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-primary);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.guide-card {
    text-align: center;
    padding: 32px;
}

.guide-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-size: 28px;
    font-weight: 700;
    border-radius: 50%;
}

.guide-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.guide-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 系统要求 */
.requirements {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.requirements h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-primary);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.requirement-item {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.requirement-item h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-light);
}

.requirement-item ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.requirement-item li {
    font-size: 15px;
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
}

.requirement-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

/* 响应式 */
@media (max-width: 968px) {
    .download-grid,
    .guide-grid,
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .download-links {
        grid-template-columns: 1fr;
    }
}