.tip-popover {
  position: fixed;
  z-index: 10000;
  min-width: 220px;
  max-width: 360px;
  padding: 12px 14px;
  border-radius: 12px;
  backdrop-filter: saturate(120%) blur(10px);
  -webkit-backdrop-filter: saturate(120%) blur(10px);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
  color: var(--color-text, #2D2D2D);
  opacity: 0;
  transform: translateY(6px) scale(0.98);
  transition: opacity .16s ease, transform .16s ease;
  pointer-events: none;
}

.dark-theme .tip-popover {
  background: rgba(34, 34, 34, 0.55);
  border-color: rgba(255,255,255,0.08);
  color: var(--color-text, #D1C7B9);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.tip-popover.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.tip-popover .tip-content {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.tip-popover .tip-cta {
  display: inline-block;
  font-size: 13px;
  color: var(--color-accent-lotus-red, #C84630);
  text-decoration: none;
  font-weight: 600;
}

.tip-popover .tip-cta:hover,
.tip-popover .tip-cta:focus {
  text-decoration: underline;
}

.tip-popover.pos-top { transform-origin: bottom center; }
.tip-popover.pos-left { transform-origin: top left; }
.tip-popover.pos-right { transform-origin: top right; }

/* 悬停增强：带 tip 的链接做轻微强调 */
a[data-tip] {
  position: relative;
  text-decoration-color: rgba(200, 70, 48, 0.35);
  text-underline-offset: 2px;
}
a[data-tip]:hover,
a[data-tip]:focus {
  text-decoration-color: rgba(200, 70, 48, 0.8);
}