:root {
  --ia-human-support-brand: #00b0d3;
}

.ia-human-support {
  --ia-human-support-size: 60px;
  --ia-human-support-edge: 24px;
  --ia-human-support-avoid-bottom: 0px;
  position: fixed;
  right: var(--ia-human-support-edge);
  bottom: calc(var(--ia-human-support-edge) + var(--ia-human-support-avoid-bottom) + env(safe-area-inset-bottom, 0px));
  width: var(--ia-human-support-size);
  height: var(--ia-human-support-size);
  margin: 0;
  z-index: 9980;
  box-sizing: border-box;
  opacity: 1;
  transition: opacity 180ms ease;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.ia-human-support.is-idle {
  opacity: 0.5;
}

.ia-human-support:focus-within,
.ia-human-support.is-dragging {
  opacity: 1;
}

.ia-human-support__button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  border: 0;
  border-radius: 50%;
  background: var(--ia-human-support-brand);
  box-shadow: 0 6px 18px rgba(0, 44, 95, 0.28);
  color: #fff;
  cursor: grab;
  text-decoration: none;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.ia-human-support__button:hover {
  box-shadow: 0 8px 24px rgba(0, 44, 95, 0.34);
  transform: translateY(-1px);
}

.ia-human-support__button:focus {
  outline: none;
}

.ia-human-support__button:focus-visible {
  outline: 3px solid #1b3d75;
  outline-offset: 4px;
  box-shadow: 0 0 0 3px #fff, 0 8px 24px rgba(0, 44, 95, 0.34);
}

.ia-human-support.is-dragging .ia-human-support__button {
  cursor: grabbing;
  transform: none;
  box-shadow: 0 10px 28px rgba(0, 44, 95, 0.38);
}

.ia-human-support__icon {
  display: block;
  width: 70%;
  height: 70%;
  fill: currentColor;
  pointer-events: none;
}

.ia-human-support__tooltip {
  position: absolute;
  top: 50%;
  right: calc(100% + 12px);
  display: block;
  width: max-content;
  max-width: min(260px, calc(100vw - 100px));
  padding: 8px 11px;
  border-radius: 4px;
  background: #1b3d75;
  box-shadow: 0 5px 16px rgba(0, 44, 95, 0.2);
  color: #fff;
  font-family: "IA Website Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(6px, -50%);
  transition: opacity 150ms ease, transform 150ms ease;
}

.ia-human-support__tooltip::after {
  position: absolute;
  top: 50%;
  left: 100%;
  width: 0;
  height: 0;
  border: 6px solid transparent;
  border-left-color: #1b3d75;
  content: "";
  transform: translateY(-50%);
}

.ia-human-support.is-tooltip-right .ia-human-support__tooltip {
  right: auto;
  left: calc(100% + 12px);
  transform: translate(-6px, -50%);
}

.ia-human-support.is-tooltip-right .ia-human-support__tooltip::after {
  right: 100%;
  left: auto;
  border-right-color: #1b3d75;
  border-left-color: transparent;
}

.ia-human-support:focus-within .ia-human-support__tooltip {
  opacity: 1;
  transform: translate(0, -50%);
}

@media (hover: hover) and (pointer: fine) {
  .ia-human-support:hover {
    opacity: 1;
  }

  .ia-human-support:hover .ia-human-support__tooltip,
  .ia-human-support:focus-within .ia-human-support__tooltip {
    opacity: 1;
    transform: translate(0, -50%);
  }
}

@media (max-width: 782px) {
  .ia-human-support {
    --ia-human-support-size: 56px;
    --ia-human-support-edge: 20px;
  }

  .ia-human-support__tooltip {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ia-human-support,
  .ia-human-support__button,
  .ia-human-support__tooltip {
    transition: none;
  }
}

@media print {
  .ia-human-support {
    display: none !important;
  }
}