:root {
  --theme-color: #7a4c35;
}

body {
  background: #faf8f3;
  color: #292622;
}

.sidebar {
  background: #f4f0e8;
}

.sidebar-nav a {
  font-size: 0.93rem;
}

.markdown-section {
  max-width: 48rem;
  font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  font-size: 1.1rem;
  line-height: 2;
}

.markdown-section p {
  margin: 0 0 1.35em;
}

.markdown-section h1,
.markdown-section h2 {
  font-weight: 600;
  line-height: 1.5;
}

@media (max-width: 768px) {
  html,
  body {
    width: 100%;
    overflow-x: hidden;
  }

  .content {
    left: 0 !important;
    width: 100% !important;
    min-width: 0;
  }

  .markdown-section {
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100%;
    margin: 0 !important;
    padding: 68px 22px 64px;
    font-size: 1.05rem;
    line-height: 1.9;
    overflow-wrap: anywhere;
  }

  .markdown-section h1 {
    font-size: 1.8rem;
  }

  .markdown-section h2 {
    font-size: 1.35rem;
  }

  .sidebar-toggle {
    top: 12px;
    bottom: auto;
    left: 12px;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: #f4f0e8;
    box-shadow: 0 2px 10px rgb(0 0 0 / 12%);
  }

  .sidebar-toggle-button {
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
  }

  .sidebar-toggle-button span {
    width: 20px;
    height: 2px;
    margin: 2px 0;
    border-radius: 1px;
  }
}