.mb-wa{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom, 0px));z-index:9999;display:inline-flex;align-items:center;gap:8px;padding:14px;border-radius:50px;background:#25d366;color:#fff;font-size:15px;font-weight:600;line-height:1;text-decoration:none;box-shadow:0 4px 14px rgb(0 0 0 / .25);transition:transform 0.2s ease,box-shadow 0.2s ease,background 0.2s ease;animation:mb-wa-pulse 2.5s ease-out infinite}.mb-wa:hover,.mb-wa:focus{background:#1ebe5a;color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px rgb(0 0 0 / .3)}.mb-wa__icon{display:block;flex-shrink:0}.mb-wa__label{display:none;padding-right:6px}@media (min-width:769px){.mb-wa{padding:12px 16px}.mb-wa__label{display:inline}}@keyframes mb-wa-pulse{0%{box-shadow:0 4px 14px rgb(0 0 0 / .25),0 0 0 0 rgb(37 211 102 / .5)}70%{box-shadow:0 4px 14px rgb(0 0 0 / .25),0 0 0 14px #fff0}100%{box-shadow:0 4px 14px rgb(0 0 0 / .25),0 0 0 0 #fff0}}@media (prefers-reduced-motion:reduce){.mb-wa{animation:none;transition:none}}