/* Cert Bar · 认证栏 */
.cert-bar { background: var(--bg-secondary); border-top: 1px solid rgba(201, 206, 214, 0.1); border-bottom: 1px solid rgba(201, 206, 214, 0.1); padding: 20px 0; }
.cert-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.cert-item { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.cert-icon { width: 40px; height: 40px; background: var(--bg-primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 20px; }

/* Footer · 页脚 */
.site-footer { background: var(--bg-secondary); border-top: 1px solid rgba(201, 206, 214, 0.1); padding: 40px 0 20px; text-align: center; color: var(--text-muted); font-size: 14px; }
.site-footer p { margin: 8px 0; }