/* Only the supported explicit-click control; no third-party script or iframe. */
.lv-preferred-source-link{
 box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;
 min-height:44px;max-width:100%;padding:12px 18px;
 color:#071f38;background:#fff;border:1px solid #b6c8d6;border-radius:12px;
 font-size:14px;font-weight:700;line-height:1.4;text-decoration:none;
 text-align:center;transition:background-color .15s ease,border-color .15s ease;
}
.lv-preferred-source-link:hover{background:#edf5fa;border-color:#265f89}
.lv-preferred-source-link:focus-visible{outline:3px solid #aa3f1d;outline-offset:3px}
@media(prefers-reduced-motion:reduce){.lv-preferred-source-link{transition:none}}