/* =============================================
   Markdown 渲染样式
   ============================================= */
.markdown-body {
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.85;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: 2em;
  margin-bottom: 0.75em;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  scroll-margin-top: 80px;
}

.markdown-body h1 {
  font-size: 1.9rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5em;
}

.markdown-body h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4em;
}

.markdown-body h3 { font-size: 1.2rem; }
.markdown-body h4 { font-size: 1rem; }

.markdown-body p {
  margin-bottom: 1.2em;
  color: var(--text-secondary);
}

.markdown-body a {
  color: var(--primary-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.markdown-body a:hover { color: var(--primary-200); }

/* 代码块 */
.markdown-body pre {
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.5em 0;
  position: relative;
}

.markdown-body pre code {
  background: none;
  padding: 1.25em 1.5em;
  font-size: 0.875rem;
  display: block;
  line-height: 1.7;
  font-family: var(--font-mono);
  color: #c9d1d9;
}

/* 行内代码 */
.markdown-body code {
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.15);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.4em;
  font-size: 0.875em;
  font-family: var(--font-mono);
  color: var(--primary-300);
}

.markdown-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

/* 代码语言标签 */
.code-block-wrapper {
  position: relative;
}

.code-lang-label {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  font-size: 0.72rem;
  color: #8b949e;
  font-family: var(--font-mono);
  text-transform: uppercase;
  pointer-events: none;
}

/* 引用块 */
.markdown-body blockquote {
  margin: 1.5em 0;
  padding: 1em 1.5em;
  border-left: 4px solid var(--primary-500);
  background: rgba(6,182,212,0.03);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}

.markdown-body blockquote p {
  margin: 0;
  color: inherit;
}

/* 列表 */
.markdown-body ul,
.markdown-body ol {
  margin: 1em 0 1.5em;
  padding-left: 1.8em;
}

.markdown-body ul { list-style: disc; }
.markdown-body ol { list-style: decimal; }

.markdown-body li {
  margin-bottom: 0.4em;
  color: var(--text-secondary);
  list-style: inherit;
  line-height: 1.75;
}

.markdown-body li ul,
.markdown-body li ol {
  margin: 0.3em 0 0.3em;
}

/* 表格 */
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9rem;
  overflow-x: auto;
  display: block;
}

.markdown-body th {
  background: rgba(6,182,212,0.06);
  color: var(--text-primary);
  font-weight: 600;
  text-align: left;
  padding: 0.7em 1em;
  border: 1px solid var(--border-color);
}

.markdown-body td {
  padding: 0.6em 1em;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.markdown-body tr:nth-child(even) td {
  background: rgba(255,255,255,0.02);
}

/* 分割线 */
.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2.5em 0;
}

/* 图片 */
.markdown-body img {
  border-radius: var(--radius-lg);
  margin: 1.5em auto;
  display: block;
  max-width: 100%;
  border: 1px solid var(--border-color);
}

/* 强调 */
.markdown-body strong {
  font-weight: 700;
  color: var(--text-primary);
}

.markdown-body em {
  font-style: italic;
  color: var(--text-secondary);
}

/* 复制代码按钮 */
.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.6rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color: #8b949e;
  font-size: 0.72rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-mono);
}

.copy-btn:hover {
  background: rgba(255,255,255,0.2);
  color: white;
}

.copy-btn.copied {
  color: var(--success);
  border-color: var(--success);
}

/* v4 */