.uhc-float-wrap {
    position: fixed;
    bottom: 22px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.uhc-float-right { right: 18px; }
.uhc-float-left { left: 18px; }

.uhc-float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(0,0,0,.25);
    transition: transform .15s ease;
    position: relative;
}

.uhc-float-btn:hover {
    transform: scale(1.08);
    color: #fff;
}

.uhc-whatsapp { background: #25D366; }
.uhc-telegram { background: #229ED9; }
.uhc-wechat   { background: #7BB32E; }
.uhc-phone    { background: var(--uhc-color, #E53935); animation: uhc-pulse 2s infinite; }

@keyframes uhc-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(229,57,53,.55); }
    70%  { box-shadow: 0 0 0 14px rgba(229,57,53,0); }
    100% { box-shadow: 0 0 0 0 rgba(229,57,53,0); }
}

.uhc-wechat-tooltip {
    display: none;
    position: absolute;
    bottom: 60px;
    right: 0;
    background: #fff;
    color: #222;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    white-space: nowrap;
    box-shadow: 0 2px 10px rgba(0,0,0,.2);
}

.uhc-wechat:hover .uhc-wechat-tooltip,
.uhc-wechat:focus .uhc-wechat-tooltip {
    display: block;
}

@media (max-width: 480px) {
    .uhc-float-btn { width: 46px; height: 46px; }
    .uhc-float-wrap { bottom: 14px; }
}