.portal-contact-fab{position:fixed;right:14px;bottom:18px;z-index:1100;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none}.portal-contact-fab__btn{pointer-events:auto;display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;color:#fff;box-shadow:0 4px 14px rgba(15,23,42,.22);transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;text-decoration:none}.portal-contact-fab__btn:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 8px 18px rgba(15,23,42,.28);filter:brightness(1.05);color:#fff}.portal-contact-fab__btn:focus-visible{outline:2px solid #fff;outline-offset:3px}.portal-contact-fab__btn--messenger{background:#0084ff}.portal-contact-fab__btn--zalo{background:#0068ff}.portal-contact-fab__svg{width:26px;height:26px;display:block}@media (max-width:640px){.portal-contact-fab{right:10px;bottom:14px;gap:8px}.portal-contact-fab__btn{width:44px;height:44px}.portal-contact-fab__svg{width:24px;height:24px}}