.ntq-scroll-top {
  position: fixed;
  right: 30px;
  bottom: 140px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 999px;
  background: rgb(0 0 0 / 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, background .2s ease;
  z-index: 1000;
}
.ntq-scroll-top:hover { background: rgba(0,0,0,0.75); cursor: pointer; }
.ntq-scroll-top:focus { outline: 2px solid #4c9ffe; outline-offset: 2px; }
.ntq-scroll-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.ntq-scroll-top__icon {
  width: 22px;
  min-width: 22px;
  height: 22px;
  fill: #fff;
}