/* Article：返回链、标题区、正文 markdown */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.back-link:hover {
  border-bottom-color: var(--black);
}

/* ---------- 文章详情（标题区有性格，正文安静） ---------- */

.page-hero .chip--pin {
  display: inline-block;
  margin: 0 0 12px;
}

.post-title {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--ink);
}

.post-summary {
  margin: 0 0 20px;
  font-size: 17px;
  color: var(--c-secondary);
  font-weight: 400;
  line-height: 1.625;
}

.post-content {
  padding-bottom: 8px;
}

@media (min-width: 768px) {
  .post-title {
    font-size: 38px;
  }
}

/* ================================================================
   GitHub-like Markdown（详情页：#post-content.markdown-body）
   阅读优先：不套糖果色，只略收一点圆角
   ================================================================ */

.markdown-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--md-text);
  word-wrap: break-word;
}

.markdown-body > *:first-child { margin-top: 0; }
.markdown-body > *:last-child { margin-bottom: 0; }

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--md-heading);
}

.markdown-body h1 {
  font-size: 2em;
  padding-bottom: 0.3em;
  border-bottom: 2px solid var(--md-border);
}

.markdown-body h2 {
  font-size: 1.5em;
  padding-bottom: 0.3em;
  border-bottom: 2px solid var(--md-border);
}

.markdown-body h3 { font-size: 1.25em; }
.markdown-body h4 { font-size: 1em; }
.markdown-body h5 { font-size: 0.875em; }
.markdown-body h6 { font-size: 0.85em; color: var(--md-muted); }

.markdown-body p,
.markdown-body blockquote,
.markdown-body ul,
.markdown-body ol,
.markdown-body dl,
.markdown-body table,
.markdown-body pre,
.markdown-body details {
  margin-top: 0;
  margin-bottom: 16px;
}

.markdown-body ul,
.markdown-body ol { padding-left: 2em; }

.markdown-body li + li { margin-top: 0.25em; }
.markdown-body li > p { margin-top: 16px; }
.markdown-body li > p:first-child { margin-top: 0; }

.markdown-body a {
  color: var(--md-link);
  text-decoration: none;
}

.markdown-body a:hover {
  color: var(--md-link-hover);
  text-decoration: underline;
}

.markdown-body strong { font-weight: 700; }

.markdown-body blockquote {
  padding: 0 1em;
  color: var(--md-muted);
  border-left: var(--stroke);
}

.markdown-body hr {
  height: 2px;
  padding: 0;
  margin: 24px 0;
  background-color: var(--md-border);
  border: 0;
}

.markdown-body :not(pre) > code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  background-color: var(--md-inline-code-bg);
  border: 1px solid var(--md-border);
  color: var(--md-code);
}

.markdown-body pre {
  padding: 16px;
  overflow: auto;
  font-size: 85%;
  line-height: 1.45;
  background-color: var(--md-code-bg);
  border: var(--stroke-thin);
}

.markdown-body pre code {
  display: inline;
  max-width: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  line-height: inherit;
  word-wrap: normal;
  background-color: transparent;
  border: 0;
}

.markdown-body table {
  display: block;
  width: max-content;
  max-width: 100%;
  overflow: auto;
  border-spacing: 0;
  border-collapse: collapse;
}

.markdown-body table th,
.markdown-body table td {
  padding: 6px 13px;
  border: 1px solid var(--md-border);
}

.markdown-body table th {
  font-weight: 700;
  background-color: var(--md-code-bg);
}

.markdown-body table tr {
  background-color: var(--white);
  border-top: 1px solid var(--md-border);
}

.markdown-body table tr:nth-child(2n) {
  background-color: var(--md-table-alt);
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  box-sizing: border-box;
  background-color: var(--white);
  border: var(--stroke-thin);
}

.markdown-body pre .hljs,
.markdown-body pre code.hljs {
  background: transparent;
}