.product-section-nav {
  position: fixed;
  top: 50%;
  right: .42rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .16rem;
  transform: translateY(-50%);
}

.product-section-nav a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: .22rem;
  height: .22rem;
  cursor: pointer;
}

.product-section-nav a::before {
  content: attr(data-label);
  position: absolute;
  right: .34rem;
  padding: .08rem .12rem;
  border-radius: .04rem;
  background: rgba(17, 30, 54, .88);
  color: #fff;
  font-size: .16rem;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transform: translateX(.08rem);
  transition: opacity .25s ease, transform .25s ease;
  white-space: nowrap;
}

.product-section-nav a span {
  display: block;
  width: .07rem;
  height: .07rem;
  border: .01rem solid rgba(22, 77, 240, .65);
  border-radius: 50%;
  background: rgba(255, 255, 255, .8);
  box-shadow: 0 0 .08rem rgba(22, 77, 240, .18);
  transition: width .25s ease, height .25s ease, background-color .25s ease, box-shadow .25s ease;
}

.product-section-nav a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.product-section-nav.is-scrolling a::before,
.product-section-nav.is-label-hidden a::before {
  opacity: 0;
  transform: translateX(.08rem);
}

.product-section-nav a.on::before {
  opacity: 1;
  transform: translateX(0);
}

.product-section-nav a:focus {
  outline: none;
}

.product-section-nav a:focus-visible span {
  outline: .02rem solid #164df0;
  outline-offset: .04rem;
}

.product-section-nav a.on span {
  width: .12rem;
  height: .12rem;
  border-color: #164df0;
  background: #164df0;
  box-shadow: 0 0 .12rem rgba(22, 77, 240, .65);
}

@media (max-width: 1000px) {
  .product-section-nav {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-section-nav a::before,
  .product-section-nav a span {
    transition: none;
  }
}