.site-announcement-ticker {
  position: relative;
  display: flex;
  align-items: stretch;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 42px;
  overflow: hidden;
  contain: inline-size;
  color: rgba(239, 246, 255, .9);
  background: rgba(5, 15, 43, .88);
  border-block: 1px solid rgba(127, 163, 237, .14);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .14);
}

.site-announcement-ticker[hidden] { display: none; }

.site-announcement-ticker__label {
  position: relative;
  z-index: 2;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  min-width: 132px;
  padding: 0 18px;
  color: #151326;
  font-size: 14px;
  font-weight: 900;
  background: linear-gradient(135deg, #ffd75d, #f1b93f);
  box-shadow: 8px 0 20px rgba(0, 0, 0, .18);
}

.site-announcement-ticker__label::after {
  content: '';
  position: absolute;
  inset: 0 -13px 0 auto;
  width: 26px;
  background: inherit;
  clip-path: polygon(0 0, 50% 50%, 0 100%);
}

.site-announcement-ticker__viewport {
  display: flex;
  flex: 1 1 0;
  width: 0;
  align-items: center;
  min-width: 0;
  overflow: hidden;
}

.site-announcement-ticker__track {
  display: inline-flex;
  flex: 0 0 max-content;
  align-items: center;
  min-width: max-content;
  will-change: transform;
  animation: site-announcement-scroll 42s linear infinite;
}

.site-announcement-ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
  color: inherit;
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
}

.site-announcement-ticker__item::before {
  content: '◆';
  color: #fff8dc;
  font-size: 11px;
  text-shadow: 0 0 10px rgba(255, 224, 134, .75);
}

.site-announcement-ticker__item:hover { color: #ffe7a1; }

.site-announcement-ticker__viewport:hover .site-announcement-ticker__track,
.site-announcement-ticker__viewport:focus-within .site-announcement-ticker__track { animation-play-state: paused; }

@keyframes site-announcement-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .site-announcement-ticker__track { animation: none; }
}

@media (max-width: 760px) {
  .site-announcement-ticker { min-height: 38px; }
  .site-announcement-ticker__label { min-width: 106px; padding-inline: 12px; font-size: 13px; }
  .site-announcement-ticker__label span { display: none; }
  .site-announcement-ticker__item { padding-inline: 18px; font-size: 12px; }
  .site-announcement-ticker__track { animation-duration: 32s; }
}