/* Keep the campaign separate from the homepage carousel. */
#promotion-banner,
#promotion-trigger {
  --promotion-accent: #6550f5;
  --promotion-scale: 1;
  box-sizing: border-box;
  font: calc(16px * var(--promotion-scale))/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: normal;
  text-indent: 0;
}

html[data-dpr="2"] #promotion-banner,
html[data-dpr="2"] #promotion-trigger { --promotion-scale: 2; }
html[data-dpr="3"] #promotion-banner,
html[data-dpr="3"] #promotion-trigger { --promotion-scale: 3; }

html.promotion-banner-open,
html.promotion-banner-open body { overflow: hidden; }

#promotion-banner {
  --promotion-header-height: 70px;
  position: fixed;
  z-index: 10000;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}

#promotion-banner:not([open]),
#promotion-trigger[hidden] { display: none; }

#promotion-banner::backdrop {
  background: linear-gradient(to bottom, transparent var(--promotion-header-height), rgba(0, 0, 0, .5) var(--promotion-header-height));
}

#promotion-banner .promotion-panel {
  width: 100%;
  margin-top: var(--promotion-header-height);
  padding-bottom: max(16px, env(safe-area-inset-bottom, 0px));
  animation: promotion-expand 260ms ease-out both;
}

#promotion-banner .promotion-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
}

#promotion-banner .promotion-handle {
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

#promotion-banner .promotion-line {
  width: 2px;
  height: 2.5em;
  background: linear-gradient(#8e79ff, var(--promotion-accent));
}

#promotion-banner .promotion-close,
#promotion-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 3em;
  padding: .625em 1.25em;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(110deg, #5450ed, #7751ef);
  box-shadow: 0 .375em 1.25em rgba(69, 48, 168, .24);
  font-family: inherit;
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  touch-action: manipulation;
  transition: filter 160ms ease, transform 160ms ease;
}

#promotion-banner .promotion-close { font-size: 1.125em; pointer-events: auto; }
#promotion-banner .promotion-close svg { width: 1.375em; height: 1.375em; flex-shrink: 0; }

#promotion-trigger {
  position: fixed;
  right: 1.5em;
  bottom: calc(6em + env(safe-area-inset-bottom, 0px));
  z-index: 10000;
}

#promotion-trigger svg { width: 1.375em; height: 1.375em; flex-shrink: 0; }
#promotion-banner .promotion-close:hover,
#promotion-trigger:hover { filter: brightness(1.1); }
#promotion-banner .promotion-close:active,
#promotion-trigger:active { transform: scale(.97); }
#promotion-banner .promotion-close:focus-visible,
#promotion-trigger:focus-visible { outline: 3px solid #fff; outline-offset: 4px; box-shadow: 0 0 0 6px var(--promotion-accent); }

#promotion-banner.is-closing .promotion-panel { animation: promotion-collapse 180ms ease-in both; }

@keyframes promotion-expand {
  from { opacity: 0; transform: translateY(-1.5em); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes promotion-collapse {
  to { opacity: 0; transform: translateY(-1.5em); }
}

@media (max-width: 767px) {
  #promotion-banner .promotion-line { height: 2em; }
  #promotion-banner .promotion-close { font-size: 1em; }
  #promotion-trigger { right: 1em; }
}

@media (prefers-reduced-motion: reduce) {
  #promotion-banner .promotion-panel,
  #promotion-banner.is-closing .promotion-panel { animation: none; }
  #promotion-banner .promotion-close,
  #promotion-trigger { transition: none; }
}