:root {
  --md-text-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --md-code-font: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.md-grid {
  max-width: 1280px;
}

.md-content__inner {
  max-width: 860px;
  margin-right: auto;
  margin-left: auto;
  line-height: 1.8;
}

.md-content__inner > h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin-top: -0.6rem;
  color: var(--md-default-fg-color--light);
  font-size: 1.15rem;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 1.2rem 0 2rem;
}

.chapter-grid > ul {
  display: contents;
}

.chapter-grid li {
  list-style: none;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  background: var(--md-code-bg-color);
}

.chapter-grid li p {
  margin: 0.4rem 0 0;
}

.md-typeset img {
  display: block;
  max-height: 42rem;
  margin-right: auto;
  margin-left: auto;
  object-fit: contain;
}

.md-typeset table:not([class]) {
  display: table;
  width: max-content;
  min-width: 100%;
}

.course-home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0;
}

.course-home-actions .md-button {
  margin: 0;
}

@media screen and (max-width: 44.984375em) {
  .md-content__inner {
    max-width: none;
    margin-right: 0.8rem;
    margin-left: 0.8rem;
    line-height: 1.72;
  }

  .chapter-grid {
    grid-template-columns: 1fr;
  }

  .course-home-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .course-home-actions .md-button {
    text-align: center;
  }
}