/* 代码高亮颜色（GitHub 风格） */
.hl-keyword { color: #cf222e; font-weight: 600; }
.hl-string  { color: #0a3069; }
.hl-number  { color: #0550ae; }
.hl-comment { color: #6e7781; font-style: italic; }

.post-content pre.code-block.hl-javascript .hl-keyword,
.post-content pre.code-block.hl-typescript .hl-keyword,
.post-content pre.code-block.hl-php .hl-keyword,
.post-content pre.code-block.hl-java .hl-keyword,
.post-content pre.code-block.hl-c .hl-keyword,
.post-content pre.code-block.hl-cpp .hl-keyword,
.post-content pre.code-block.hl-go .hl-keyword,
.post-content pre.code-block.hl-python .hl-keyword { color: #cf222e; }
.post-content pre.code-block.hl-sql .hl-keyword { color: #cf222e; text-transform: uppercase; }
.post-content pre.code-block.hl-bash .hl-keyword,
.post-content pre.code-block.hl-shell .hl-keyword { color: #953800; }