.v2 .back-to-top{position:fixed;right:100px;bottom:50px;z-index:1000;background-color:#f7f9fa;color:#000;border:1px solid #e5e7eb;border-radius:4px;min-width:40px;height:40px;cursor:pointer;padding:8px 16px;gap:8px;font-size:.75rem;line-height:1.25rem;font-weight:600}@media(max-width:767px){.v2 .back-to-top{padding:8px;right:40px;bottom:20px}}