.floating-contact-group {
    position: fixed;
    bottom: 30px;
    right: 25px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}
.floating-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    color: #ffffff;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.floating-btn:hover {
    transform: scale(1.1);
}
.floating-label {
    position: absolute;
    right: 58px;
    background: #0f172a;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.floating-btn:hover .floating-label {
    opacity: 1;
}

/* Nút Báo Giá Tour */
.floating-alert {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
}

/* Nút Zalo */
.floating-zalo {
    background: #0068ff;
}
.zalo-icon-badge {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

/* Nút Hotline Pulse */
.floating-phone {
    background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
    font-size: 18px;
}
.pulse {
    animation: phonePulse 2s infinite;
}
@keyframes phonePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(234, 88, 12, 0.6);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(234, 88, 12, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(234, 88, 12, 0);
    }
}

/* Nút Back to Top */
.back-to-top {
    background: #334155;
    font-size: 16px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: var(--accent);
}

@media (max-width: 768px) {
    .floating-contact-group {
        bottom: 20px;
        right: 15px;
        gap: 10px;
    }
    .floating-btn {
        width: 44px;
        height: 44px;
    }
    .floating-label {
        display: none;
    }
}