/* Talk-wide overrides for AI in 2026 slides. Keep minimal. */

/* Warm yellow (暖黄) palette, overriding the beige theme's CSS variables */
:root {
  --r-background: radial-gradient(#fffdf4, #f8ead0);
  --r-background-color: #f8ead0;
  --r-main-color: #46350f;
  --r-heading-color: #8a5a00;
  --r-link-color: #b45f06;
  --r-link-color-hover: #d98a00;
  --r-link-color-dark: #96500a;
  --r-selection-background-color: #f0c75e;
  --r-selection-color: #46350f;
}

/* Small source/credit line at the bottom of a slide */
.reveal .citation {
  font-size: 0.5em;
  color: #9c8a5f;
  margin-top: 1.2em;
}

/* Keep slide images from blowing past the viewport */
.reveal section img {
  max-height: 55vh;
  border: none;
  box-shadow: none;
  background: transparent;
}