.reference-v2 .product-mega-menu {
  position: fixed;
  z-index: 79;
  top: var(--mega-menu-top, 142px);
  left: 0;
  right: 0;
  width: 100vw;
  margin: 0;
  padding: 0;
  display: block;
  background: #171b1c;
  color: #ede9df;
  box-shadow: 0 24px 42px rgba(0,0,0,.28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: none;
  transition: opacity .2s ease;
}

.reference-v2 .product-mega-menu[hidden] { display: none !important; }

.reference-v2 .product-mega-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}

.reference-v2 .product-mega-menu__inner {
  width: min(980px, calc(100vw - 120px));
  min-height: 168px;
  margin: 0 auto;
  padding: 24px 0 28px;
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: clamp(28px, 3.4vw, 48px);
  justify-items: start;
  transform: translateX(-4vw);
  box-sizing: border-box;
}

.reference-v2 .product-mega-menu section {
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  opacity: 0;
  transform: translateY(-9px);
  transition: opacity .24s ease, transform .35s cubic-bezier(.16,1,.3,1);
}

.reference-v2 .product-mega-menu.is-open section { opacity: 1; transform: none; }
.reference-v2 .product-mega-menu.is-open section:nth-child(2) { transition-delay: .045s; }
.reference-v2 .product-mega-menu.is-open section:nth-child(3) { transition-delay: .09s; }

/* Never let the page-wide scroll reveal rules mutate this navigation grid. */
.reference-v2 .product-mega-menu section.reveal,
.reference-v2 .product-mega-menu section.scroll-open,
.reference-v2 .product-mega-menu section.scroll-open.reveal,
.reference-v2 .product-mega-menu section.scroll-open.reveal.is-visible {
  position: static;
  overflow: visible;
  opacity: 1;
  transform: none;
  clip-path: none;
  filter: none;
  transition: none;
}
.reference-v2 .product-mega-menu strong,
.reference-v2 .product-mega-menu a {
  min-height: 25px;
  padding: 0;
  color: #d9d7d0;
  font: 16px/25px "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  letter-spacing: 0;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  text-decoration: none;
}

.reference-v2 .product-mega-menu strong {
  margin-bottom: 2px;
  color: #f2efe6;
  font-weight: 500;
}

.reference-v2 .product-mega-menu a {
  position: relative;
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  color: #d4d1c9;
  transition: color .18s ease, transform .2s ease;
}

.reference-v2 .product-mega-menu a::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 50%;
  width: 5px;
  height: 1px;
  background: #27d7c2;
  opacity: 0;
  transform: translate(-5px,-50%);
  transition: opacity .18s ease, transform .18s ease;
}

.reference-v2 .product-mega-menu a:hover,
.reference-v2 .product-mega-menu a:focus-visible { color: #36d9c5; transform: translateX(7px); outline: none; }
.reference-v2 .product-mega-menu a:hover::before,
.reference-v2 .product-mega-menu a:focus-visible::before { opacity: 1; transform: translate(0,-50%); }
.reference-v2 .ref-header .nav > a.is-mega-open { color: #36d4c2; }
.reference-v2 .ref-header .nav > a.is-mega-open::after { transform: scaleX(1); }

@media (max-width: 1120px) {
  .reference-v2 .product-mega-menu,
  .reference-v2 .product-mega-menu[hidden] { display: none !important; }
}
@media (prefers-reduced-motion: reduce) { .reference-v2 .product-mega-menu, .reference-v2 .product-mega-menu section, .reference-v2 .product-mega-menu a { transition: none; } }