feat: 共享 markdown 渲染器，完整语法支持

static/css/style.css

@@ -48,6 +48,81 @@
     margin-bottom: 1em;
 }
 
+/* Markdown rendered content (inside review suggestions) */
+.review-content .md-code-block {
+    background: #1e293b;
+    color: #e2e8f0;
+    padding: 12px 14px;
+    border-radius: 6px;
+    overflow-x: auto;
+    margin: 8px 0;
+    font-size: 12px;
+    line-height: 1.5;
+    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
+}
+.review-content .md-code-block[data-lang]::before {
+    content: attr(data-lang);
+    display: block;
+    font-size: 10px;
+    color: #94a3b8;
+    margin-bottom: 4px;
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+}
+.review-content .md-inline-code {
+    background: #f1f5f9;
+    padding: 1px 5px;
+    border-radius: 4px;
+    font-size: 0.88em;
+    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
+    color: #be185d;
+}
+.review-content .md-p {
+    margin: 6px 0;
+    line-height: 1.6;
+}
+.review-content .md-h1, .review-content .md-h2, .review-content .md-h3 {
+    font-weight: 600;
+    margin: 10px 0 4px;
+}
+.review-content .md-h1 { font-size: 1.2em; }
+.review-content .md-h2 { font-size: 1.1em; }
+.review-content .md-h3 { font-size: 1em; }
+.review-content .md-ul, .review-content .md-ol {
+    margin: 6px 0;
+    padding-left: 20px;
+}
+.review-content .md-li {
+    margin: 2px 0;
+    line-height: 1.5;
+}
+.review-content .md-link {
+    color: #2563eb;
+    text-decoration: underline;
+}
+.review-content .md-link:hover {
+    color: #1d4ed8;
+}
+.review-content .md-blockquote {
+    border-left: 3px solid #d1d5db;
+    padding-left: 12px;
+    color: #6b7280;
+    margin: 8px 0;
+    font-style: italic;
+}
+.review-content .md-hr {
+    border: none;
+    border-top: 1px solid #e5e7eb;
+    margin: 12px 0;
+}
+.review-content em {
+    font-style: italic;
+}
+.review-content del {
+    text-decoration: line-through;
+    color: #9ca3af;
+}
+
 /* Severity badge colors (used by review) */
 .border-red-400 { border-color: #f87171; }
 .border-yellow-400 { border-color: #facc15; }