.qh-fb{gap:16px!important;--ohio-fb-gradient:linear-gradient(135deg,var(--ohio-purple-600),var(--ohio-purple-800));--ohio-fb-shadow:0 8px 12px rgba(36,18,59,.16)}.qh-fb .qh-fb-group{background:#fff!important;border-radius:32px!important;padding:8px!important;gap:6px!important;box-shadow:var(--ohio-fb-shadow)!important;display:flex;flex-direction:column;align-items:center}.qh-fb .qh-fb-ico{position:relative;width:44px!important;height:44px!important;border-radius:50%!important;border:0;padding:0;display:flex;align-items:center;justify-content:center;background:var(--ohio-fb-gradient)!important;cursor:pointer;transition:transform .15s,box-shadow .15s}.qh-fb .qh-fb-ico img{width:22px!important;height:22px!important;object-fit:contain;display:block;border-radius:0!important}.qh-fb .qh-fb-ico:hover{transform:translateX(-2px);box-shadow:var(--ohio-shadow-floating)}.qh-fb .qh-fb-ico.qh-fb--booking{width:40px!important;height:40px!important;margin:2px;background:linear-gradient(135deg,var(--ohio-purple-400),var(--ohio-purple-600))!important;box-shadow:0 0 0 4px var(--ohio-purple-100)}@media (min-width:850px) and (prefers-reduced-motion:no-preference){.qh-fb .qh-fb-ico.qh-fb--booking::before,.qh-fb .qh-fb-ico.qh-fb--booking::after{content:"";display:block!important;position:absolute;inset:-4px;width:auto;height:auto;box-sizing:border-box;border:1.5px solid var(--ohio-purple-400);border-radius:50%;background:none;box-shadow:none;opacity:0;pointer-events:none;animation:ohio-booking-ripple 2.8s ease-out infinite}.qh-fb .qh-fb-ico.qh-fb--booking::after{animation-delay:-1.4s}}@keyframes ohio-booking-ripple{0%{transform:scale(1);opacity:.6}80%,100%{transform:scale(1.65);opacity:0}}.qh-fb .qh-fb-group:last-child{padding:8px!important;border-radius:32px!important}.qh-fb .qh-fb-ico.qh-fb--call{width:48px!important;height:48px!important}.qh-fb .qh-fb-tip{position:absolute;right:calc(100% + 14px);top:50%;transform:translateY(-50%);white-space:nowrap;padding:8px 14px;border-radius:10px;background:var(--ohio-purple-700);color:#fff;font:400 var(--fs-caption)/var(--lh-caption) var(--font-base);opacity:0;pointer-events:none;transition:opacity .15s;box-shadow:var(--ohio-shadow-floating)}.qh-fb .qh-fb-ico:hover .qh-fb-tip,.qh-fb .qh-fb-ico:focus-visible .qh-fb-tip{opacity:1!important;visibility:visible}.qh-fb .qh-fb--call .qh-fb-tip{background:#fff!important;color:var(--ohio-purple-700)!important;opacity:0;padding:10px 14px;border-radius:12px;font:700 var(--fs-h4)/var(--lh-h4) var(--font-base);box-shadow:var(--ohio-shadow-floating)}.qh-fb .qh-fb--call .qh-fb-tip::before{content:"Hotline tư vấn";display:block;font:600 var(--fs-label)/var(--lh-label) var(--font-base);color:var(--ohio-purple-600)}html[lang^="en"] .qh-fb .qh-fb--call .qh-fb-tip::before{content:"Hotline"}#top-link.back-to-top{width:48px;height:48px;min-height:0;line-height:46px;border-radius:50%;background:#fff!important;border:1px solid var(--ohio-purple-100)!important;color:var(--ohio-purple-700)!important;box-shadow:var(--ohio-shadow-floating)}#top-link.back-to-top:hover{background:var(--ohio-purple-50)!important}@media (max-width:849px){.qh-fb{display:none!important}}