:root {
  --reading-font: "Iowan Old Style", "Palatino Linotype", "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  --ui-font: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --reading-max-width: 78ch;
}

body {
  font-family: var(--ui-font);
}

.post-content,
post-custom {
  padding-left: 12%;
  padding-right: 12%;
}

.post-content .markdown-body {
  font-family: var(--reading-font);
  font-size: 1.06rem;
  line-height: 1.95;
  letter-spacing: 0.008em;
  text-rendering: optimizeLegibility;
  max-width: var(--reading-max-width);
  margin-left: auto;
  margin-right: auto;
}

.post-content .markdown-body p {
  margin: 1.15em 0;
  text-align: justify;
  text-justify: inter-ideograph;
}

.post-content .markdown-body > h2,
.post-content .markdown-body > h3,
.post-content .markdown-body > h4 {
  line-height: 1.5;
}

.post-content .markdown-body > h2 {
  margin-top: 2.6em;
  margin-bottom: 1em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--line-color);
}

.post-content .markdown-body > h3 {
  margin-top: 2em;
  margin-bottom: 0.8em;
}

.post-content .markdown-body ul,
.post-content .markdown-body ol {
  margin-top: 0.9em;
  margin-bottom: 1.2em;
  padding-left: 1.4em;
}

.post-content .markdown-body li {
  margin: 0.48em 0;
}

.post-content .markdown-body blockquote {
  margin: 1.4em 0;
  padding: 0.9em 1.1em;
  border-left: 4px solid var(--post-link-color);
  border-radius: 8px;
  background-color: var(--board-bg-color);
}

.post-content .markdown-body table {
  margin: 1.4em 0;
  width: 100%;
  font-size: 0.95em;
  border-radius: 10px;
  overflow: hidden;
}

.post-content .markdown-body th {
  font-weight: 700;
  background-color: var(--board-bg-color);
}

.post-content .markdown-body code {
  border-radius: 4px;
  padding: 0.12em 0.28em;
}

.post-content .markdown-body hr {
  margin: 2.3em 0;
}

@media (max-width: 991px) {
  .post-content,
  post-custom {
    padding-left: 6%;
    padding-right: 6%;
  }

  .post-content .markdown-body {
    font-size: 1.02rem;
    line-height: 1.88;
  }
}

@media (max-width: 767px) {
  .post-content,
  post-custom {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .post-content .markdown-body {
    max-width: 100%;
    font-size: 1rem;
    line-height: 1.82;
  }

  .post-content .markdown-body > h2 {
    margin-top: 2.2em;
  }
}