.reveal-container {
  height: 100vh;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  background: black;
}

.reveal-container .reveal {
  height: 100% !important;
  width: 100% !important;
}

.reveal-container .reveal .slides {
  height: 100% !important;
}

.reveal-container .reveal .slides section {
  height: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  text-align: center !important;
  padding: 2rem !important;
  color: white !important;
}

/* 带背景的幻灯片文字颜色 */
.reveal-container .reveal .slides section[data-background] {
  color: white !important;
}

.reveal-container .reveal .slides section[data-background] h1,
.reveal-container .reveal .slides section[data-background] h2,
.reveal-container .reveal .slides section[data-background] h3,
.reveal-container .reveal .slides section[data-background] h4,
.reveal-container .reveal .slides section[data-background] h5,
.reveal-container .reveal .slides section[data-background] h6 {
  color: white !important;
}

.reveal-container .reveal .slides section[data-background] p,
.reveal-container .reveal .slides section[data-background] li {
  color: rgba(255, 255, 255, 0.9) !important;
}

.reveal-container .reveal .slides section h1,
.reveal-container .reveal .slides section h2,
.reveal-container .reveal .slides section h3,
.reveal-container .reveal .slides section h4,
.reveal-container .reveal .slides section h5,
.reveal-container .reveal .slides section h6 {
  margin-bottom: 1rem !important;
  color: white !important;
}

.reveal-container .reveal .slides section p {
  margin-bottom: 0.5rem !important;
  line-height: 1.6 !important;
  color: white !important;
}

.reveal-container .reveal .slides section ul,
.reveal-container .reveal .slides section ol {
  text-align: left !important;
  margin: 1rem 0 !important;
  color: white !important;
}

.reveal-container .reveal .slides section li {
  margin-bottom: 0.5rem !important;
  color: white !important;
}

.reveal-container .reveal .slides section code {
  background: #333 !important;
  color: #fff !important;
  padding: 0.2rem 0.4rem !important;
  border-radius: 3px !important;
  font-family: 'Courier New', monospace !important;
}

.reveal-container .reveal .slides section pre {
  background: #333 !important;
  color: #fff !important;
  padding: 1rem !important;
  border-radius: 5px !important;
  text-align: left !important;
  overflow-x: auto !important;
}

.reveal-container .reveal .slides section blockquote {
  border-left: 4px solid #666 !important;
  padding-left: 1rem !important;
  margin: 1rem 0 !important;
  text-align: left !important;
  color: #ccc !important;
}

.reveal-container .reveal .slides section table {
  border-collapse: collapse !important;
  width: 100% !important;
  margin: 1rem 0 !important;
  color: white !important;
}

.reveal-container .reveal .slides section th,
.reveal-container .reveal .slides section td {
  border: 1px solid #666 !important;
  padding: 0.5rem !important;
  text-align: left !important;
  color: white !important;
}

.reveal-container .reveal .slides section th {
  background: #444 !important;
}

.reveal-container .reveal .slides section img {
  max-width: 100% !important;
  height: auto !important;
  margin: 1rem 0 !important;
}

.reveal-container .reveal .slides section .btn {
  display: inline-block !important;
  padding: 0.5rem 1rem !important;
  background: #007bff !important;
  color: white !important;
  text-decoration: none !important;
  border-radius: 0.25rem !important;
  margin: 0.5rem !important;
}

.reveal-container .reveal .slides section .btn:hover {
  background: #0056b3 !important;
}