feat: initial release of pengzhan.dev personal editorial blog platform

- Editorial web platform built with Node.js, Express, EJS, and Vanilla CSS
- Markdown content engine with YAML frontmatter, bilingual variants, and hot-reload watcher
- Unified SQLite with FTS5 search indexing, query logging, and schema filters
- Centered editorial post layout with margin-docked left TOC and mobile bottom sheet
- WordPress-grade comment system with moderation dashboard and bulk operations under /guanli
- Complete SEO suite (JSON-LD structured data, RSS/Atom feeds, XML sitemap, robots.txt)
- CI/CD workflows for linting, security audits (Gitleaks), automated tests, and Docker releases

public/css/prism-okaidia.css

@@ -0,0 +1,118 @@
+/**
+ * Okaidia PrismJS theme matching WordPress Prismatic plugin
+ */
+code[class*="language-"],
+pre[class*="language-"] {
+  color: #f8f8f2;
+  background: none;
+  text-shadow: 0 1px rgba(0, 0, 0, 0.3);
+  font-family: 'Maple Mono NF CN', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+  font-size: 0.95em;
+  text-align: left;
+  white-space: pre;
+  word-spacing: normal;
+  word-break: normal;
+  word-wrap: normal;
+  line-height: 1.6;
+  tab-size: 2;
+  hyphens: none;
+}
+
+pre[class*="language-"] {
+  padding: 1.25rem 1.5rem;
+  margin: 1.75rem 0;
+  overflow: auto;
+  border-radius: 12px;
+  background: #272822;
+  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
+}
+
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+  background: #272822;
+}
+
+/* Inline code outside pre */
+:not(pre) > code {
+  padding: 0.2em 0.4em;
+  border-radius: 4px;
+  color: #e83e8c;
+  background-color: rgba(0, 0, 0, 0.05);
+  font-family: 'Maple Mono NF CN', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+  font-size: 0.88em;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+  color: #8292a2;
+}
+
+.token.punctuation {
+  color: #f8f8f2;
+}
+
+.token.namespace {
+  opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.constant,
+.token.symbol,
+.token.deleted {
+  color: #f92672;
+}
+
+.token.boolean,
+.token.number {
+  color: #ae81ff;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+  color: #a6e22e;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string,
+.token.variable {
+  color: #f8f8f2;
+}
+
+.token.atrule,
+.token.attr-value,
+.token.function,
+.token.class-name {
+  color: #e6db74;
+}
+
+.token.keyword {
+  color: #66d9ef;
+}
+
+.token.regex,
+.token.important {
+  color: #fd971f;
+}
+
+.token.important,
+.token.bold {
+  font-weight: bold;
+}
+
+.token.italic {
+  font-style: italic;
+}
+
+.token.entity {
+  cursor: help;
+}