.nml-back-to-top{position:fixed;bottom:24px;right:24px;z-index:9998;width:48px;height:48px;border-radius:50%;background:#2F6BFF;color:#fff;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0;box-shadow:0 6px 20px rgb(47 107 255 / .3);opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity 250ms cubic-bezier(0,0,.2,1),transform 250ms cubic-bezier(0,0,.2,1),background 150ms ease,box-shadow 150ms ease}.nml-back-to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.nml-back-to-top:hover{background:#1E55E8;box-shadow:0 8px 24px rgb(47 107 255 / .4)}.nml-back-to-top:focus-visible{outline:3px solid rgb(47 107 255 / .4);outline-offset:2px}.nml-back-to-top svg{display:block;width:22px;height:22px}@media (max-width:768px){.nml-back-to-top{bottom:16px;right:16px;width:44px;height:44px}.nml-back-to-top svg{width:20px;height:20px}}@media (prefers-reduced-motion:reduce){.nml-back-to-top{transition:opacity 100ms ease;transform:none}}