:root {
  --bg-deep: #0B1D3A;
  --bg-ocean: #122A4C;
  --accent: #8A2BE2;
  --lime: #39FF14;
  --ink: #F0F4F8;
  --muted: #B0B8C4;
  --blue: #1E90FF;
  --yellow: #FFD700;
  --line: #2E4053;
  --cold: #F5F7FA;
  --font-headline: "Noto Sans CJK Black", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
  --container: 1200px;
  --shadow-panel: 0 18px 48px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 8.5rem;
}

body,
h1,
h2,
h3,
p,
ul,
dl,
dd,
figure {
  margin: 0;
}

body {
  background: var(--bg-deep);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
  max-width: 100%;
  display: block;
}

ul {
  padding: 0;
  list-style: none;
}

a {
  color: var(--blue);
}

a:hover {
  color: var(--lime);
}

button {
  font: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-headline);
  line-height: 1.15;
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: -999px;
  z-index: 1000;
  background: var(--lime);
  color: var(--bg-deep);
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 6px 0;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.skip-link:focus {
  left: 0;
  top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, #0c2242 0%, #0B1D3A 100%);
  border-bottom: 1px solid rgba(46, 64, 83, 0.8);
  box-shadow: 0 8px 24px rgba(4, 10, 22, 0.25);
}

.site-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(240, 244, 248, 0.08);
  z-index: 3;
  pointer-events: none;
}

.site-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--lime));
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.8);
}

.site-masthead {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.75rem 1.5rem 0.25rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}

.site-masthead__meta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  background: rgba(18, 42, 76, 0.85);
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  padding: 0.35rem 0.65rem;
}

.site-masthead__pulse {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  transform: rotate(45deg);
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  line-height: 1.1;
}

.site-brand:hover {
  color: var(--ink);
}

.site-brand__cn {
  font-family: var(--font-headline);
  font-size: 2.1rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.site-brand__en {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--blue);
  margin-top: 0.1rem;
}

.site-brand__mark {
  margin-top: 0.3rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--lime);
  padding-top: 0.2rem;
  width: 100%;
  text-align: center;
  border-top: 1px solid rgba(138, 43, 226, 0.55);
}

.site-masthead__aside {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-utility-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.45rem 0.7rem;
  background: rgba(18, 42, 76, 0.8);
  border-radius: 4px 0 6px 0;
}

.site-utility-link:hover {
  color: var(--lime);
  border-color: rgba(57, 255, 20, 0.4);
}

.site-nav-toggle {
  display: none;
  align-items: center;
  gap: 0.45rem;
  background: rgba(138, 43, 226, 0.12);
  border: 1px solid rgba(138, 43, 226, 0.7);
  color: var(--ink);
  padding: 0.4rem 0.6rem;
  border-radius: 4px 0 8px 0;
  cursor: pointer;
}

.site-nav-toggle__line {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.site-nav-toggle__line + .site-nav-toggle__line {
  margin-top: 0.28rem;
}

.site-nav-toggle__label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line:first-child {
  transform: translateY(0.3rem) rotate(45deg);
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__line:nth-child(2) {
  transform: translateY(-0.3rem) rotate(-45deg);
}

.site-nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.4rem 1rem 0.6rem;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.15rem;
}

.site-nav__item {
  list-style: none;
}

.site-nav__link {
  display: block;
  position: relative;
  padding: 0.55rem 0.85rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav__link:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.site-nav__link[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--lime);
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 5px;
  height: 5px;
  background: var(--lime);
  transform: translateX(-50%) rotate(45deg);
}

.site-footer {
  position: relative;
  margin-top: 4rem;
  background: linear-gradient(180deg, #081426 0%, #0B1D3A 100%);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 3px;
  right: 6%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.28), transparent 70%);
  pointer-events: none;
}

.site-footer__gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 10%, var(--lime) 38%, var(--blue) 60%, transparent 75%);
}

.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.site-footer__brand-name {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 900;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.site-footer__brand-name:hover {
  color: var(--lime);
}

.site-footer__trust {
  margin-top: 0.75rem;
  max-width: 16rem;
  color: var(--muted);
  border-left: 3px solid var(--lime);
  padding-left: 0.85rem;
}

.site-footer__heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.site-footer__links a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
}

.site-footer__links a:hover {
  color: var(--ink);
  border-bottom-color: var(--lime);
}

.site-footer__contact-list {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.9;
  list-style: none;
  padding: 0;
}

.site-footer__contact-list li {
  padding-left: 1rem;
  border-left: 1px solid var(--line);
  margin-bottom: 0.4rem;
}

.site-footer__icp {
  margin-top: 1rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
}

.site-footer__session {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

.site-footer__session-label {
  color: var(--muted);
  letter-spacing: 0.08em;
}

.site-footer__session-code {
  font-family: var(--font-mono);
  background: rgba(30, 144, 255, 0.12);
  color: var(--blue);
  border: 1px solid rgba(30, 144, 255, 0.35);
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
  cursor: copy;
  letter-spacing: 0.12em;
}

.site-footer__session-code:hover {
  background: rgba(57, 255, 20, 0.12);
  color: var(--lime);
  border-color: rgba(57, 255, 20, 0.4);
}

.site-footer__copy {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.4rem 1.5rem 1.5rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
}

.site-main {
  display: block;
  outline: none;
  scroll-margin-top: 8rem;
}

.site-container {
  width: min(100% - 3rem, var(--container));
  margin-inline: auto;
}

.site-section {
  padding: 4rem 0;
}

.site-section--alt {
  background: var(--bg-ocean);
}

.site-section--rule {
  border-top: 1px solid var(--line);
}

.site-layout {
  display: grid;
  grid-template-columns: minmax(170px, 230px) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.site-layout__rail {
  position: sticky;
  top: 7rem;
  border-right: 1px solid var(--line);
  padding: 1rem 1.25rem 1rem 0;
}

.site-layout__rail-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.site-layout__rail-list {
  display: grid;
  gap: 0.15rem;
}

.site-layout__rail-link {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.6rem;
  border-left: 2px solid transparent;
  font-size: 0.9rem;
}

.site-layout__rail-link:hover {
  color: var(--ink);
  border-left-color: var(--accent);
}

.site-layout__rail-link.is-active,
[data-spy-link].is-active {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(57, 255, 20, 0.05);
}

.site-layout__main {
  min-width: 0;
}

.display-title {
  font-family: var(--font-headline);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: 0.02em;
  margin: 0 0 1.5rem;
}

.section-title {
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--lime);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.prose {
  max-width: 72ch;
}

.prose p {
  margin-bottom: 1.25rem;
}

.prose a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.prose a:hover {
  color: var(--lime);
}

.prose ul {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
  list-style: square;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--lime);
  background: rgba(138, 43, 226, 0.15);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.prose h2,
.prose h3 {
  margin: 2.5rem 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  background: var(--accent);
  color: #ffffff;
  border: 0;
  font-weight: 700;
  font-family: var(--font-body);
  text-decoration: none;
  border-radius: 14px 0 14px 0;
  box-shadow: 0 8px 24px rgba(138, 43, 226, 0.25);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  background: #7631c4;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(138, 43, 226, 0.35);
}

.btn--ghost {
  background: rgba(138, 43, 226, 0.08);
  border: 1px solid var(--accent);
  color: var(--ink);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(138, 43, 226, 0.18);
  color: var(--ink);
}

.btn--lime {
  background: var(--lime);
  color: var(--bg-deep);
}

.btn--lime:hover {
  background: #b9ffa1;
  color: var(--bg-deep);
}

.btn--small {
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
}

.site-panel {
  position: relative;
  background: linear-gradient(145deg, rgba(18, 42, 76, 0.85), rgba(11, 29, 58, 0.95));
  border: 1px solid rgba(138, 43, 226, 0.35);
  border-radius: 20px 4px 20px 4px;
  padding: 1.5rem;
  box-shadow: var(--shadow-panel);
}

.site-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2.4rem;
  height: 2.4rem;
  border-top: 3px solid var(--lime);
  border-left: 3px solid var(--lime);
  border-radius: 20px 0 0 0;
  pointer-events: none;
}

.site-panel__title {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.site-panel__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--lime);
  margin-bottom: 1rem;
}

.site-panel--yellow {
  border-color: rgba(255, 215, 0, 0.45);
}

.site-panel--yellow::before {
  border-color: var(--yellow);
}

.site-panel--light {
  background: var(--cold);
  color: var(--bg-deep);
}

.site-panel--light .site-panel__meta {
  color: var(--accent);
}

.site-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 0.15rem 0.55rem;
  color: var(--lime);
  background: rgba(57, 255, 20, 0.06);
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: 2px;
}

.site-tag--accent {
  color: #ffffff;
  background: rgba(138, 43, 226, 0.22);
  border-color: rgba(138, 43, 226, 0.55);
}

.site-tag--yellow {
  color: var(--yellow);
  border-color: rgba(255, 215, 0, 0.5);
  background: rgba(255, 215, 0, 0.06);
}

.site-tag--blue {
  color: var(--blue);
  border-color: rgba(30, 144, 255, 0.5);
  background: rgba(30, 144, 255, 0.08);
}

.site-rule {
  border-left: 4px solid var(--yellow);
  background: rgba(255, 215, 0, 0.05);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--ink);
}

.site-rule__title {
  font-weight: 900;
  color: var(--yellow);
  margin-bottom: 0.25rem;
}

.site-index {
  display: grid;
  grid-template-columns: minmax(7rem, 1fr) 2fr;
  column-gap: 1rem;
  row-gap: 0.7rem;
  margin: 1.5rem 0;
}

.site-index dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  padding-top: 0.1em;
}

.site-index dd {
  margin: 0;
  color: var(--ink);
}

.site-timeline {
  position: relative;
  margin: 2rem 0;
  padding: 0 0 0 2rem;
  border-left: 2px solid var(--line);
  list-style: none;
}

.site-timeline::before {
  content: "";
  position: absolute;
  top: -0.5rem;
  left: -0.4rem;
  width: 0.75rem;
  height: 0.75rem;
  background: var(--lime);
  transform: rotate(45deg);
}

.site-timeline__item {
  position: relative;
  padding-bottom: 1.75rem;
}

.site-timeline__item::before {
  content: "";
  position: absolute;
  left: -2.62rem;
  top: 0.35rem;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--accent);
  border: 2px solid var(--bg-deep);
  transform: rotate(45deg);
}

.site-timeline__item time {
  font-family: var(--font-mono);
  color: var(--blue);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.site-timeline__item h3 {
  font-size: 1.1rem;
  margin: 0.2rem 0 0.3rem;
}

.site-timeline__item p {
  color: var(--muted);
  margin: 0;
}

.site-media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, var(--bg-ocean) 0%, #0c1f3d 60%, #142c58 100%);
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
  border-radius: 20px 4px 20px 4px;
}

.site-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg, rgba(138, 43, 226, 0.08) 0 2px, transparent 2px 14px),
    linear-gradient(180deg, transparent 50%, rgba(11, 29, 58, 0.72) 100%);
  pointer-events: none;
}

.site-media > img,
.site-media > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-media--4x3 {
  aspect-ratio: 4 / 3;
}

.site-media--wide {
  aspect-ratio: 21 / 9;
}

.site-media__caption {
  padding: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  display: flex;
  gap: 0.5rem;
}

.site-media__caption::before {
  content: "◆";
  color: var(--lime);
  font-size: 0.6rem;
  transform: translateY(0.35rem);
}

.breadcrumbs {
  max-width: var(--container);
  margin: 1.25rem auto 0;
  padding: 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--blue);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--lime);
}

.breadcrumbs__sep {
  margin: 0 0.45rem;
  color: var(--accent);
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.site-grid__item {
  grid-column: span 4;
  min-width: 0;
}

.site-grid__item--wide {
  grid-column: span 8;
}

[data-rule-tip] {
  position: relative;
}

[data-rule-tip]::after {
  content: attr(data-rule-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: max-content;
  max-width: 260px;
  background: #0B1D3A;
  border: 1px solid rgba(138, 43, 226, 0.6);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1.5;
  padding: 0.5rem 0.75rem;
  border-radius: 8px 0 8px 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}

[data-rule-tip]:hover::after,
[data-rule-tip]:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .site-layout {
    grid-template-columns: 1fr;
    padding-top: 1.5rem;
  }

  .site-layout__rail {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
  }

  .site-grid__item,
  .site-grid__item--wide {
    grid-column: span 6;
  }
}

@media (max-width: 860px) {
  .site-masthead {
    grid-template-columns: 1fr auto 1fr;
    padding: 0.6rem 1rem 0.2rem;
  }

  .site-masthead__meta {
    display: none;
  }

  .site-brand__cn {
    font-size: 1.55rem;
  }

  .site-brand__en {
    font-size: 0.58rem;
    letter-spacing: 0.2em;
  }

  .site-brand__mark {
    font-size: 0.65rem;
  }

  .site-nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
  }

  .site-nav[data-open] {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0B1D3A;
    border-bottom: 1px solid rgba(138, 43, 226, 0.7);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.4);
  }

  .site-nav__list {
    flex-direction: column;
    justify-content: stretch;
    gap: 0;
    padding: 0.5rem 0;
  }

  .site-nav__link {
    border-left: 3px solid transparent;
    border-bottom: 1px solid rgba(46, 64, 83, 0.6);
    padding: 0.75rem 1.25rem;
  }

  .site-nav__link[aria-current="page"] {
    border-left-color: var(--lime);
    border-bottom-color: rgba(57, 255, 20, 0.4);
  }
}

@media (max-width: 640px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 2.5rem;
  }

  .site-footer__session {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-container {
    width: min(100% - 2rem, var(--container));
  }

  .site-section {
    padding: 2.5rem 0;
  }

  .site-index {
    grid-template-columns: 1fr;
    row-gap: 0.25rem;
  }

  .site-grid__item,
  .site-grid__item--wide {
    grid-column: span 12;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .site-progress {
    display: none;
  }

  [data-rule-tip]::after {
    opacity: 1;
    transform: none;
  }
}