/* OpenMAIC 静态展示页样式 - v1.0.0 */

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
  color: #2c3e50;
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 2rem 1rem;
  background: white;
  border-bottom: 1px solid #e0e6ed;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

header h1 {
  margin: 0 0 0.5rem;
  font-size: 1.8rem;
  color: #2c3e50;
}

header .meta {
  margin: 0;
  color: #7f8c8d;
  font-size: 0.85rem;
}

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* ===== Slide 样式 (PPTist 16:9) ===== */
.slide {
  background: white;
  margin-bottom: 2rem;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.slide h2 {
  margin: 0 0 1rem;
  font-size: 1.3rem;
  color: #2c3e50;
  border-left: 4px solid #5b9bd5;
  padding-left: 0.75rem;
}

.canvas {
  position: relative;
  width: 100%;
  max-width: 1000px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  overflow: hidden;
}

.text-elem {
  /* 元素用 absolute 定位 (PP Tist style) */
}

.text-elem p {
  margin: 0;
  font-family: inherit;
}

.shape-rect {
  border-radius: 4px;
}

.shape-ellipse {
  border-radius: 50%;
}

/* ===== Quiz 样式 ===== */
.quiz {
  background: white;
  margin-bottom: 2rem;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.quiz h2 {
  margin: 0 0 1.5rem;
  font-size: 1.3rem;
  color: #2c3e50;
  border-left: 4px solid #ed7d31;
  padding-left: 0.75rem;
}

.question {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 8px;
}

.question h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: #2c3e50;
}

.points {
  margin-left: 0.5rem;
  font-size: 0.85rem;
  color: #7f8c8d;
  font-weight: normal;
}

.options {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.option {
  padding: 0.5rem 0.75rem;
  background: white;
  border: 1px solid #e0e6ed;
  border-radius: 6px;
  font-size: 0.95rem;
}

.option.answer {
  background: #e8f5e9;
  border-color: #4caf50;
  color: #2e7d32;
  font-weight: 500;
}

.analysis {
  font-size: 0.9rem;
  color: #555;
}

.analysis summary {
  cursor: pointer;
  color: #5b9bd5;
  font-weight: 500;
  user-select: none;
}

.analysis summary:hover {
  color: #3a7bb8;
}

.analysis p {
  margin: 0.5rem 0 0;
  padding: 0.5rem;
  background: #f0f7ff;
  border-left: 3px solid #5b9bd5;
  border-radius: 4px;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: #7f8c8d;
  font-size: 0.85rem;
}

footer a {
  color: #5b9bd5;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.4rem;
  }
  main {
    margin: 1rem auto;
  }
  .slide, .quiz {
    padding: 1rem;
  }
}