.qr-card{max-width:300px;padding:20px;border:1px solid #eee;border-radius:12px;text-align:center;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#fff}.qr-title{font-size:1.25rem;font-weight:700;margin-bottom:16px;color:#333}.qr-main{display:flex;align-items:center;justify-content:center;gap:12px;margin:16px 0}.qr-prefix,.qr-suffix{font-size:.9rem;color:#666;white-space:nowrap}.qr-desc{font-size:.9rem;color:#555;margin-top:12px}.qr-save-btn{margin-top:16px;padding:8px 16px;background:var(--mb-primary-color);background:var(--mb-primary-color-oklab);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:.9rem}.qr-save-btn:hover{background:var(--mb-primary-color);background:var(--mb-primary-color-oklab)}