.floating-contact {
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    font-size: 20px;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.22);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.float-btn:hover {
    transform: translateY(-3px) scale(1.06);
}

.zalo-btn {
    background: #0068ff;
    font-size: 13px;
    font-weight: 800;
}

.msg-btn {
    background: linear-gradient(135deg, #00b2ff, #006aff);
}

.phone-btn {
    background: var(--primary, #ea580c);
}

.top-btn {
    background: #0f172a;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
}

.top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}