.floating-contact-wrap {
    position: fixed; bottom: 25px; right: 25px; z-index: 9999;
    display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.floating-btn {
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff !important; text-decoration: none; border: none; cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2); transition: all 0.3s ease; font-size: 18px;
}
.floating-btn:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }
.floating-btn.hotline { background: linear-gradient(135deg, #ff416c, #ff4b2b); }
.floating-btn.zalo { background: #0088cc; }
.floating-btn.back-to-top { background: var(--primary, #0f75bd); }