/* 技术支持页面样式 */
.support-content {
    padding: 80px 0;
    background: var(--background);
}

.support-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.support-intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
    line-height: 1.8;
}

/* 常见问题 */
.faq-section {
    margin-bottom: 80px;
}

.faq-section h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.faq-item {
    background: var(--background-secondary);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 20px;
}

.faq-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-item ul {
    margin-top: 15px;
    margin-left: 20px;
}

.faq-item li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.faq-item li strong {
    color: var(--text-primary);
}

/* 故障排除 */
.troubleshooting-section {
    margin-bottom: 80px;
}

.troubleshooting-section h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.trouble-item {
    background: var(--background);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 20px;
}

.trouble-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.trouble-item ol {
    margin-left: 20px;
}

.trouble-item li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

/* 联系方式 */
.contact-section {
    margin-bottom: 80px;
}

.contact-section h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.contact-section > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.125rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-card {
    background: var(--background-secondary);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-card a:hover {
    text-decoration: underline;
}

.response-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

/* 更新日志 */
.updates-section h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.update-item {
    background: var(--background-secondary);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 20px;
}

.update-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.update-item ul {
    margin-left: 20px;
}

.update-item li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}