diff --git a/README.md b/README.md
index 2ee2b61..42dd7e5 100644
--- a/README.md
+++ b/README.md
@@ -10,10 +10,11 @@
 - Fastify 后端；
 - 共享导出配置模型；
 - 版本化主题清单接口；
+- Markdown、Front Matter、安全过滤和扩展语法渲染核心；
 - 内置 Typora 风格主题目录；
 - Docker 与测试目录预留。
 
-Markdown 渲染和 PDF 生成将在后续阶段实现。
+网页预览和 PDF 生成将在后续阶段实现。
 
 ## 本地开发
 
diff --git a/apps/server/package.json b/apps/server/package.json
index db33a0a..01736d8 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@md-to-pdf/core": "0.1.0",
+    "@md-to-pdf/renderer": "0.1.0",
     "fastify": "^5.6.2"
   },
   "devDependencies": {
diff --git a/apps/server/src/index.ts b/apps/server/src/index.ts
index 79c3016..8191199 100644
--- a/apps/server/src/index.ts
+++ b/apps/server/src/index.ts
@@ -4,6 +4,7 @@ import {
   defaultExportConfig,
   supportedPaperFormats
 } from "@md-to-pdf/core";
+import { RENDERER_VERSION } from "@md-to-pdf/renderer";
 
 const port = Number.parseInt(process.env.PORT ?? "3001", 10);
 const host = process.env.HOST ?? "0.0.0.0";
@@ -15,14 +16,20 @@ const app = Fastify({
 app.get("/api/health", async () => ({
   status: "ok",
   service: "md-to-pdf",
-  configVersion: EXPORT_CONFIG_VERSION
+  configVersion: EXPORT_CONFIG_VERSION,
+  rendererVersion: RENDERER_VERSION
 }));
 
 app.get("/api/capabilities", async () => ({
   defaultExportConfig,
   supportedPaperFormats,
-  implemented: ["project-skeleton", "export-config", "theme-manifest"],
-  planned: ["markdown-render", "html-preview", "pdf-export"]
+  implemented: [
+    "project-skeleton",
+    "export-config",
+    "theme-manifest",
+    "markdown-render"
+  ],
+  planned: ["html-preview", "pdf-export"]
 }));
 
 async function start() {
diff --git a/package-lock.json b/package-lock.json
index 91cfd06..70964fa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
       "version": "0.1.0",
       "dependencies": {
         "@md-to-pdf/core": "0.1.0",
+        "@md-to-pdf/renderer": "0.1.0",
         "fastify": "^5.6.2"
       },
       "devDependencies": {
@@ -936,6 +937,10 @@
       "resolved": "packages/core",
       "link": true
     },
+    "node_modules/@md-to-pdf/renderer": {
+      "resolved": "packages/renderer",
+      "link": true
+    },
     "node_modules/@md-to-pdf/server": {
       "resolved": "apps/server",
       "link": true
@@ -944,6 +949,116 @@
       "resolved": "apps/web",
       "link": true
     },
+    "node_modules/@mdit/helper": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@mdit/helper/-/helper-1.0.1.tgz",
+      "integrity": "sha512-zAzShsRZmkqjuoOFg6/zTCYVpvghj9a30Cl/eOGkE0xzRJJJG8T18eqb2lgceQhjVLWHK02HNVkzyfNHc429lQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/markdown-it": "^14.1.2"
+      },
+      "engines": {
+        "node": ">=22"
+      },
+      "peerDependencies": {
+        "markdown-it": "^14.2.0"
+      },
+      "peerDependenciesMeta": {
+        "markdown-it": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@mdit/plugin-anchor": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@mdit/plugin-anchor/-/plugin-anchor-1.1.1.tgz",
+      "integrity": "sha512-42m7dxzvfLbo3YnteMB70aXFQ1TtnalyNLyPUDj5rr1FqTNf8pnHjQbgmf6FCjshg6BrfLVx7zpHJ7UUehQ/fA==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/markdown-it": "^14.1.2"
+      },
+      "peerDependencies": {
+        "markdown-it": "^14.2.0"
+      }
+    },
+    "node_modules/@mdit/plugin-footnote": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@mdit/plugin-footnote/-/plugin-footnote-1.0.1.tgz",
+      "integrity": "sha512-PrH02dlVQT8/vPvfGrLHpcHq8N0+gOaAVNOfuhwlPqWCL4He3o+buUCxm1Uem02+UR8/TRBW50M/XD/dVSe2jw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/markdown-it": "^14.1.2"
+      },
+      "engines": {
+        "node": ">=22"
+      },
+      "peerDependencies": {
+        "markdown-it": "^14.2.0"
+      }
+    },
+    "node_modules/@mdit/plugin-katex": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@mdit/plugin-katex/-/plugin-katex-1.0.1.tgz",
+      "integrity": "sha512-JQGdKOYGjL9Jr1HQXkJTjZXgUoX8b51f2NvEuoUKdfKE+bYKgYYNCxNkGfrxTjDWAFNAiP5J1kA3vwmxxsR3aA==",
+      "license": "MIT",
+      "dependencies": {
+        "@mdit/helper": "1.0.1",
+        "@mdit/plugin-tex": "1.0.1",
+        "@types/markdown-it": "^14.1.2",
+        "katex": "^0.17.0"
+      },
+      "engines": {
+        "node": ">=22"
+      },
+      "peerDependencies": {
+        "markdown-it": "^14.2.0"
+      },
+      "peerDependenciesMeta": {
+        "markdown-it": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@mdit/plugin-tasklist": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@mdit/plugin-tasklist/-/plugin-tasklist-1.0.1.tgz",
+      "integrity": "sha512-Ks/Tihw5ibbkP2qOZzltkbiTk8RfpxDRvqdn4hl1wIs3VmeKITIQ36gN4DsuotSauA9SBe/mL0QJIfuSCrXqrw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/markdown-it": "^14.1.2"
+      },
+      "engines": {
+        "node": ">=22"
+      },
+      "peerDependencies": {
+        "markdown-it": "^14.2.0"
+      },
+      "peerDependenciesMeta": {
+        "markdown-it": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@mdit/plugin-tex": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@mdit/plugin-tex/-/plugin-tex-1.0.1.tgz",
+      "integrity": "sha512-ZzU7/ZkkpMvI4+Wxbr22d52LWRy8a+knlDI04wjDWm56ezQMkI7HT5O9x8GBapvFIxjOTVdT/Ie5b4cz+0oHJA==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/markdown-it": "^14.1.2"
+      },
+      "engines": {
+        "node": ">=22"
+      },
+      "peerDependencies": {
+        "markdown-it": "^14.2.0"
+      },
+      "peerDependenciesMeta": {
+        "markdown-it": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@pinojs/redact": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/@pinojs/redact/-/redact-0.4.0.tgz",
@@ -1307,6 +1422,13 @@
         "win32"
       ]
     },
+    "node_modules/@standard-schema/spec": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz",
+      "integrity": "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -1352,6 +1474,24 @@
         "@babel/types": "^7.28.2"
       }
     },
+    "node_modules/@types/chai": {
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.2.3.tgz",
+      "integrity": "sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/deep-eql": "*",
+        "assertion-error": "^2.0.1"
+      }
+    },
+    "node_modules/@types/deep-eql": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/@types/deep-eql/-/deep-eql-4.0.2.tgz",
+      "integrity": "sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/estree": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.9.tgz",
@@ -1359,6 +1499,28 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/linkify-it": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@types/linkify-it/-/linkify-it-5.0.0.tgz",
+      "integrity": "sha512-sVDA58zAw4eWAffKOaQH5/5j3XeayukzDk+ewSsnv3p4yJEZHCCzMDiZM8e0OUrRvmpGZ85jf4yDHkHsgBNr9Q==",
+      "license": "MIT"
+    },
+    "node_modules/@types/markdown-it": {
+      "version": "14.1.2",
+      "resolved": "https://registry.npmjs.org/@types/markdown-it/-/markdown-it-14.1.2.tgz",
+      "integrity": "sha512-promo4eFwuiW+TfGxhi+0x3czqTYJkG8qB17ZUJiVF10Xm7NLVRSLUsfRTU/6h1e24VvRnXCx+hG7li58lkzog==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/linkify-it": "^5",
+        "@types/mdurl": "^2"
+      }
+    },
+    "node_modules/@types/mdurl": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mdurl/-/mdurl-2.0.0.tgz",
+      "integrity": "sha512-RGdgjQUZba5p6QEFAVx2OGb8rQDL/cPRG7GiedRzMcJ1tYnUANBncjbSB1NRGwbvjcPeikRABz2nshyPk1bhWg==",
+      "license": "MIT"
+    },
     "node_modules/@types/node": {
       "version": "24.13.3",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.3.tgz",
@@ -1390,6 +1552,16 @@
         "@types/react": "^19.2.0"
       }
     },
+    "node_modules/@types/sanitize-html": {
+      "version": "2.16.1",
+      "resolved": "https://registry.npmjs.org/@types/sanitize-html/-/sanitize-html-2.16.1.tgz",
+      "integrity": "sha512-n9wjs8bCOTyN/ynwD8s/nTcTreIHB1vf31vhLMGqUPNHaweKC4/fAl4Dj+hUlCTKYgm4P3k83fmiFfzkZ6sgMA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "htmlparser2": "^10.1"
+      }
+    },
     "node_modules/@vitejs/plugin-react": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/@vitejs/plugin-react/-/plugin-react-5.2.0.tgz",
@@ -1411,6 +1583,119 @@
         "vite": "^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
+    "node_modules/@vitest/expect": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.1.10.tgz",
+      "integrity": "sha512-YsCn+qAk1GWjQOWFEsEcL2gNQ0zmVmQu3T03qP6UyjhtmdtwtbuI+DASn/7iQB3HGTXkdBwGddzxPlmiql5vlA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@standard-schema/spec": "^1.1.0",
+        "@types/chai": "^5.2.2",
+        "@vitest/spy": "4.1.10",
+        "@vitest/utils": "4.1.10",
+        "chai": "^6.2.2",
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/mocker": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.1.10.tgz",
+      "integrity": "sha512-v0xaezt+DKEmKfaxg133ldzADrwLGd7Ze1MfQQTYfvs8OqZIwbxyxaYURivwV7sWy5fqn3rH5uOrSp07bp44Ow==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/spy": "4.1.10",
+        "estree-walker": "^3.0.3",
+        "magic-string": "^0.30.21"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "msw": "^2.4.9",
+        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0"
+      },
+      "peerDependenciesMeta": {
+        "msw": {
+          "optional": true
+        },
+        "vite": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@vitest/pretty-format": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.10.tgz",
+      "integrity": "sha512-W1HsjSH4MXQ9YfmmhLAoIYf1HRfekQCGngeIgcei6MP5QQGWUe0gkopdZQaVCFO+JDJMrAJGwa5pRpNpvy4P8Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/runner": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.1.10.tgz",
+      "integrity": "sha512-IKI6kpIH+LmpROplyLwBBaCfMgOZOMsygVa6BARD6ahA04VRuJSa6OaVG7kRvSEMD870Vd91rSSw0eegtWyLGg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/utils": "4.1.10",
+        "pathe": "^2.0.3"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/snapshot": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.1.10.tgz",
+      "integrity": "sha512-xRkfOT1qpTAi/Ti4Y1LtfRc3kEuqxGw59eN2jN9pRWMtS/XDevekhcFSqvQqjUNGksfjMJu3Y+oJ+4Ypn2OaJw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/pretty-format": "4.1.10",
+        "@vitest/utils": "4.1.10",
+        "magic-string": "^0.30.21",
+        "pathe": "^2.0.3"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/spy": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.1.10.tgz",
+      "integrity": "sha512-PLf/Ugvoq5wO/b4rwYCR1h2PSIdXz7wnkQFMiUpLdtM7l6pqVFcQIBEHyT1+l+cj7mNwAfZHzqXqDyjvOuwbDw==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/utils": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.10.tgz",
+      "integrity": "sha512-fy9am/HWxbaGt/Sawrp90vt6Y6jQwf1RX77cz3uwoJwJVMli/e1IEwRPnMNJ7vKfPTwo0diXifkpPvwH9v7nGA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/pretty-format": "4.1.10",
+        "convert-source-map": "^2.0.0",
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
     "node_modules/abstract-logging": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-2.0.1.tgz",
@@ -1476,6 +1761,25 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "license": "MIT",
+      "dependencies": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
+    "node_modules/assertion-error": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
+      "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/atomic-sleep": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
@@ -1574,6 +1878,16 @@
       ],
       "license": "CC-BY-4.0"
     },
+    "node_modules/chai": {
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.2.tgz",
+      "integrity": "sha512-NUPRluOfOiTKBKvWPtSD4PhFvWCqOi0BGStNWs57X9js7XGTprSmFoz5F0tWhR4WPjNeR9jXqdC7/UpSJTnlRg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -1639,6 +1953,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/commander": {
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-8.3.0.tgz",
+      "integrity": "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/concurrently": {
       "version": "9.2.4",
       "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-9.2.4.tgz",
@@ -1691,6 +2014,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/dayjs": {
+      "version": "1.11.21",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.21.tgz",
+      "integrity": "sha512-98IT+HOahAisibz/yjKbzuOBwYcjJ7BCLPzARyHiyEBmRz4fatF+KPJszEHXsGYjUG234aH/cOjW1wwTbKUZlA==",
+      "license": "MIT"
+    },
     "node_modules/debug": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
@@ -1709,6 +2038,15 @@
         }
       }
     },
+    "node_modules/deepmerge": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.3.1.tgz",
+      "integrity": "sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/dequal": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/dequal/-/dequal-2.0.3.tgz",
@@ -1718,6 +2056,78 @@
         "node": ">=6"
       }
     },
+    "node_modules/dom-serializer": {
+      "version": "2.0.0",
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@@ -2264,6 +2965,15 @@
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@@ -2441,12 +3151,144 @@
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+      "resolved": "https://registry.npmjs.org/sanitize-html/-/sanitize-html-2.17.6.tgz",
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+        "launder": "^1.7.1",
+        "parse-srcset": "^1.0.2",
+        "postcss": "^8.3.11"
+      },
+      "engines": {
+        "node": ">=22.12.0"
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+      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-3.1.1.tgz",
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+        "entities": "^8.0.0"
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+          "url": "https://github.com/sponsors/fb55"
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+      "license": "BSD-2-Clause",
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+      "funding": [
+        "https://github.com/fb55/htmlparser2?sponsor=1",
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fb55"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
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+        "domhandler": "^6.0.0",
+        "domutils": "^4.0.2",
+        "entities": "^8.0.0"
+      },
+      "engines": {
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+      }
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       "license": "MIT"
     },
+    "node_modules/section-matter": {
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+      "integrity": "sha512-vfD3pmTzGpufjScBh50YHKzEu2lxBWhVEHsNGoEXmCmn2hKGfeNLYMzCJpe8cD7gqX7TJluOVpBkAequ6dgMmA==",
+      "license": "MIT",
+      "dependencies": {
+        "extend-shallow": "^2.0.1",
+        "kind-of": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=4"
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+    },
     "node_modules/secure-json-parse": {
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       "resolved": "https://registry.npmjs.org/secure-json-parse/-/secure-json-parse-4.1.0.tgz",
@@ -2492,6 +3334,13 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/siginfo": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/siginfo/-/siginfo-2.0.0.tgz",
+      "integrity": "sha512-ybx0WO1/8bSBLEWXZvEd7gMW3Sn3JFlW3TvX1nREbDLRNQNaeNN8WK0meBwPdAaOI7TtRRRJn/Es1zhrrCHu7g==",
+      "dev": true,
+      "license": "ISC"
+    },
     "node_modules/sonic-boom": {
       "version": "4.2.1",
       "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-4.2.1.tgz",
@@ -2505,7 +3354,6 @@
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-      "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.10.0"
@@ -2520,6 +3368,26 @@
         "node": ">= 10.x"
       }
     },
+    "node_modules/sprintf-js": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "integrity": "sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/stackback": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/stackback/-/stackback-0.0.2.tgz",
+      "integrity": "sha512-1XMJE5fQo1jGH6Y/7ebnwPOBEkIEnT4QF32d5R1+VXdXveM0IBMJt8zfaxX1P3QhVwrYe+576+jkANtSS2mBbw==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/std-env": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/std-env/-/std-env-4.2.0.tgz",
+      "integrity": "sha512-oCUKSupKTHX53EyjDtuZQ64pjLJ6yYCtpmEw0goYxtjG9KpbRe8KAsl2tBUGU9DyMcJ0RwJ8GqJAFzMXcXW1Rw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -2548,6 +3416,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/strip-bom-string": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom-string/-/strip-bom-string-1.0.0.tgz",
+      "integrity": "sha512-uCC2VHvQRYu+lMh4My/sFNmF2klFymLX1wHJeXnbEJERpV/ZsVuonzerjfrGpIGF7LBVa1O7i9kjiWvJiFck8g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/supports-color": {
       "version": "8.1.1",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-8.1.1.tgz",
@@ -2582,6 +3459,23 @@
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       "license": "MIT"
     },
+    "node_modules/tinybench": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.9.0.tgz",
+      "integrity": "sha512-0+DUvqWMValLmha6lr4kD8iAMK1HzV0/aKnCtWb9v9641TnP/MFb7Pc2bxoxQjTXAErryXVgUOfv2YqNllqGeg==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/tinyexec": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.2.4.tgz",
+      "integrity": "sha512-SHf/r48b7vOrjve9PxJo3MN5v5yuyjHvdUcrQffT3WXMUfnGmHDVbC4k3sHJaJTgZCwpUplIaAo5ANtMyp3YHg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/tinyglobby": {
       "version": "0.2.17",
       "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.17.tgz",
@@ -2599,6 +3493,16 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/tinyrainbow": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/tinyrainbow/-/tinyrainbow-3.1.0.tgz",
+      "integrity": "sha512-Bf+ILmBgretUrdJxzXM0SgXLZ3XfiaUuOj/IKQHuTXip+05Xn+uyEYdVg0kYDipTBcLrCVyUzAPz7QmArb0mmw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/toad-cache": {
       "version": "3.7.4",
       "resolved": "https://registry.npmjs.org/toad-cache/-/toad-cache-3.7.4.tgz",
@@ -2658,6 +3562,12 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/uc.micro": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-2.1.0.tgz",
+      "integrity": "sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==",
+      "license": "MIT"
+    },
     "node_modules/undici-types": {
       "version": "7.18.2",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
@@ -2772,6 +3682,113 @@
         }
       }
     },
+    "node_modules/vitest": {
+      "version": "4.1.10",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.1.10.tgz",
+      "integrity": "sha512-R9jUTe5S4Qb0HCd4TNqpC7oGcrMssMRGXLW80ubjWsW9VH5GF8y1Y0SFLY9AbqSk6nt0PnOx4H4WNJYZ13GUPw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/expect": "4.1.10",
+        "@vitest/mocker": "4.1.10",
+        "@vitest/pretty-format": "4.1.10",
+        "@vitest/runner": "4.1.10",
+        "@vitest/snapshot": "4.1.10",
+        "@vitest/spy": "4.1.10",
+        "@vitest/utils": "4.1.10",
+        "es-module-lexer": "^2.0.0",
+        "expect-type": "^1.3.0",
+        "magic-string": "^0.30.21",
+        "obug": "^2.1.1",
+        "pathe": "^2.0.3",
+        "picomatch": "^4.0.3",
+        "std-env": "^4.0.0-rc.1",
+        "tinybench": "^2.9.0",
+        "tinyexec": "^1.0.2",
+        "tinyglobby": "^0.2.15",
+        "tinyrainbow": "^3.1.0",
+        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0",
+        "why-is-node-running": "^2.3.0"
+      },
+      "bin": {
+        "vitest": "vitest.mjs"
+      },
+      "engines": {
+        "node": "^20.0.0 || ^22.0.0 || >=24.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "@edge-runtime/vm": "*",
+        "@opentelemetry/api": "^1.9.0",
+        "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
+        "@vitest/browser-playwright": "4.1.10",
+        "@vitest/browser-preview": "4.1.10",
+        "@vitest/browser-webdriverio": "4.1.10",
+        "@vitest/coverage-istanbul": "4.1.10",
+        "@vitest/coverage-v8": "4.1.10",
+        "@vitest/ui": "4.1.10",
+        "happy-dom": "*",
+        "jsdom": "*",
+        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@edge-runtime/vm": {
+          "optional": true
+        },
+        "@opentelemetry/api": {
+          "optional": true
+        },
+        "@types/node": {
+          "optional": true
+        },
+        "@vitest/browser-playwright": {
+          "optional": true
+        },
+        "@vitest/browser-preview": {
+          "optional": true
+        },
+        "@vitest/browser-webdriverio": {
+          "optional": true
+        },
+        "@vitest/coverage-istanbul": {
+          "optional": true
+        },
+        "@vitest/coverage-v8": {
+          "optional": true
+        },
+        "@vitest/ui": {
+          "optional": true
+        },
+        "happy-dom": {
+          "optional": true
+        },
+        "jsdom": {
+          "optional": true
+        },
+        "vite": {
+          "optional": false
+        }
+      }
+    },
+    "node_modules/why-is-node-running": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
+      "integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "siginfo": "^2.0.0",
+        "stackback": "0.0.2"
+      },
+      "bin": {
+        "why-is-node-running": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/wrap-ansi": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
@@ -2851,6 +3868,26 @@
       "dependencies": {
         "zod": "^4.1.13"
       }
+    },
+    "packages/renderer": {
+      "name": "@md-to-pdf/renderer",
+      "version": "0.1.0",
+      "dependencies": {
+        "@md-to-pdf/core": "0.1.0",
+        "@mdit/plugin-anchor": "^1.1.1",
+        "@mdit/plugin-footnote": "^1.0.1",
+        "@mdit/plugin-katex": "^1.0.1",
+        "@mdit/plugin-tasklist": "^1.0.1",
+        "gray-matter": "^4.0.3",
+        "highlight.js": "^11.11.1",
+        "markdown-it": "^14.3.0",
+        "sanitize-html": "^2.17.6"
+      },
+      "devDependencies": {
+        "@types/markdown-it": "^14.1.2",
+        "@types/sanitize-html": "^2.16.0",
+        "vitest": "^4.1.10"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index ddccebd..8e2876e 100644
--- a/package.json
+++ b/package.json
@@ -8,12 +8,14 @@
     "packages/*"
   ],
   "scripts": {
-    "build": "npm run build -w @md-to-pdf/core && npm run build -w @md-to-pdf/web && npm run build -w @md-to-pdf/server",
-    "dev": "npm run build -w @md-to-pdf/core && concurrently -k -n core,server,web \"npm:dev:core\" \"npm:dev:server\" \"npm:dev:web\"",
+    "build": "npm run build -w @md-to-pdf/core && npm run build -w @md-to-pdf/renderer && npm run build -w @md-to-pdf/web && npm run build -w @md-to-pdf/server",
+    "dev": "npm run build -w @md-to-pdf/core && npm run build -w @md-to-pdf/renderer && concurrently -k -n core,renderer,server,web \"npm:dev:core\" \"npm:dev:renderer\" \"npm:dev:server\" \"npm:dev:web\"",
     "dev:core": "npm run dev -w @md-to-pdf/core",
+    "dev:renderer": "npm run dev -w @md-to-pdf/renderer",
     "dev:server": "npm run dev -w @md-to-pdf/server",
     "dev:web": "npm run dev -w @md-to-pdf/web",
-    "typecheck": "npm run typecheck -w @md-to-pdf/core && npm run build -w @md-to-pdf/core && npm run typecheck -w @md-to-pdf/web && npm run typecheck -w @md-to-pdf/server"
+    "test": "npm run test -w @md-to-pdf/renderer",
+    "typecheck": "npm run typecheck -w @md-to-pdf/core && npm run build -w @md-to-pdf/core && npm run typecheck -w @md-to-pdf/renderer && npm run build -w @md-to-pdf/renderer && npm run typecheck -w @md-to-pdf/web && npm run typecheck -w @md-to-pdf/server"
   },
   "engines": {
     "node": ">=22"
diff --git a/packages/renderer/package.json b/packages/renderer/package.json
new file mode 100644
index 0000000..a27fc0d
--- /dev/null
+++ b/packages/renderer/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "@md-to-pdf/renderer",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
+    }
+  },
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "dev": "tsc -p tsconfig.json --watch --preserveWatchOutput",
+    "build": "tsc -p tsconfig.json",
+    "test": "vitest run",
+    "typecheck": "tsc -p tsconfig.json --noEmit --pretty false"
+  },
+  "dependencies": {
+    "@mdit/plugin-anchor": "^1.1.1",
+    "@mdit/plugin-footnote": "^1.0.1",
+    "@mdit/plugin-katex": "^1.0.1",
+    "@mdit/plugin-tasklist": "^1.0.1",
+    "@md-to-pdf/core": "0.1.0",
+    "gray-matter": "^4.0.3",
+    "highlight.js": "^11.11.1",
+    "markdown-it": "^14.3.0",
+    "sanitize-html": "^2.17.6"
+  },
+  "devDependencies": {
+    "@types/markdown-it": "^14.1.2",
+    "@types/sanitize-html": "^2.16.0",
+    "vitest": "^4.1.10"
+  }
+}
diff --git a/packages/renderer/src/index.ts b/packages/renderer/src/index.ts
new file mode 100644
index 0000000..81d3aa8
--- /dev/null
+++ b/packages/renderer/src/index.ts
@@ -0,0 +1 @@
+export * from "./render-markdown.js";
diff --git a/packages/renderer/src/render-markdown.ts b/packages/renderer/src/render-markdown.ts
new file mode 100644
index 0000000..b629cef
--- /dev/null
+++ b/packages/renderer/src/render-markdown.ts
@@ -0,0 +1,278 @@
+import { anchor } from "@mdit/plugin-anchor";
+import { footnote } from "@mdit/plugin-footnote";
+import { katex } from "@mdit/plugin-katex";
+import { tasklist } from "@mdit/plugin-tasklist";
+import type { ThemeFeature } from "@md-to-pdf/core";
+import matter from "gray-matter";
+import hljs from "highlight.js";
+import MarkdownIt from "markdown-it";
+import type { Options as MarkdownItOptions } from "markdown-it";
+import type Renderer from "markdown-it/lib/renderer.mjs";
+import type Token from "markdown-it/lib/token.mjs";
+import sanitizeHtml from "sanitize-html";
+
+export const RENDERER_VERSION = 1;
+
+export interface MarkdownDocumentMetadata {
+  title: string;
+  author: string;
+  subject: string;
+  keywords: string[];
+  language: string;
+}
+
+export interface RenderMarkdownOptions {
+  language?: string;
+}
+
+export interface RenderedMarkdown {
+  rendererVersion: typeof RENDERER_VERSION;
+  articleHtml: string;
+  bodyHtml: string;
+  metadata: MarkdownDocumentMetadata;
+  features: ThemeFeature[];
+  warnings: string[];
+}
+
+const markdownOptions: MarkdownItOptions = {
+  html: false,
+  breaks: false,
+  linkify: true,
+  typographer: false,
+  highlight(code, language) {
+    const normalizedLanguage = language.trim().toLowerCase();
+
+    if (normalizedLanguage && hljs.getLanguage(normalizedLanguage)) {
+      return hljs.highlight(code, {
+        language: normalizedLanguage,
+        ignoreIllegals: true
+      }).value;
+    }
+
+    return MarkdownIt().utils.escapeHtml(code);
+  }
+};
+
+const markdown = new MarkdownIt(markdownOptions)
+  .use(anchor, {
+    level: 1,
+    uniqueSlugStartIndex: 2,
+    tabIndex: false
+  })
+  .use(footnote)
+  .use(tasklist, {
+    disabled: true,
+    label: true,
+    containerClass: "contains-task-list",
+    itemClass: "md-task-list-item",
+    checkboxClass: "task-list-item-checkbox",
+    labelClass: "task-list-item-label"
+  })
+  .use(katex, {
+    delimiters: "all",
+    output: "html",
+    throwOnError: false,
+    strict: "warn",
+    trust: false
+  });
+
+const defaultFenceRenderer = markdown.renderer.rules.fence;
+const lengthStylePattern = /^-?\d+(?:\.\d+)?(?:em|ex|px|%)$/u;
+
+markdown.renderer.rules.fence = (
+  tokens,
+  index,
+  options,
+  environment,
+  renderer
+) => {
+  const token = tokens[index];
+  const language = token?.info.trim().split(/\s+/u)[0]?.toLowerCase();
+
+  if (token && language === "mermaid") {
+    return `<div class="mermaid" data-mermaid-pending="true">${markdown.utils.escapeHtml(token.content)}</div>\n`;
+  }
+
+  if (defaultFenceRenderer) {
+    return defaultFenceRenderer(
+      tokens,
+      index,
+      options,
+      environment,
+      renderer
+    );
+  }
+
+  return renderFallbackFence(tokens, index, renderer);
+};
+
+const safeHtmlOptions: sanitizeHtml.IOptions = {
+  allowedTags: [
+    ...sanitizeHtml.defaults.allowedTags,
+    "article",
+    "div",
+    "figure",
+    "figcaption",
+    "img",
+    "input",
+    "mark",
+    "section",
+    "span",
+    "sub",
+    "summary",
+    "sup"
+  ],
+  allowedAttributes: {
+    "*": ["class", "id", "title", "aria-*", "role"],
+    a: ["href", "name", "target", "rel"],
+    div: ["class", "data-mermaid-pending"],
+    img: ["src", "alt", "title", "width", "height"],
+    input: ["type", "checked", "disabled", "class"],
+    li: ["class", "value"],
+    ol: ["class", "start"],
+    span: ["class", "style"],
+    td: ["colspan", "rowspan"],
+    th: ["colspan", "rowspan", "scope"]
+  },
+  allowedSchemes: ["http", "https", "mailto"],
+  allowedSchemesByTag: {
+    img: ["http", "https", "data"]
+  },
+  allowedStyles: {
+    span: {
+      height: [lengthStylePattern],
+      top: [lengthStylePattern],
+      width: [lengthStylePattern],
+      "min-width": [lengthStylePattern],
+      "margin-left": [lengthStylePattern],
+      "margin-right": [lengthStylePattern],
+      "padding-left": [lengthStylePattern],
+      "vertical-align": [lengthStylePattern],
+      "border-bottom-width": [lengthStylePattern]
+    }
+  },
+  transformTags: {
+    a: sanitizeHtml.simpleTransform("a", {
+      rel: "noopener noreferrer"
+    })
+  }
+};
+
+export function renderMarkdown(
+  source: string,
+  options: RenderMarkdownOptions = {}
+): RenderedMarkdown {
+  const warnings: string[] = [];
+  const parsed = parseFrontMatter(source);
+  const environment = {
+    warnings
+  };
+  const rendered = markdown.render(parsed.content, environment);
+  const bodyHtml = sanitizeHtml(rendered, safeHtmlOptions);
+  const metadata = normalizeMetadata(
+    parsed.data,
+    options.language ?? "zh-CN",
+    extractFirstHeading(parsed.content)
+  );
+  const articleHtml = `<article id="write" class="markdown-body" lang="${escapeAttribute(metadata.language)}">${bodyHtml}</article>`;
+
+  return {
+    rendererVersion: RENDERER_VERSION,
+    articleHtml,
+    bodyHtml,
+    metadata,
+    features: detectFeatures(bodyHtml),
+    warnings
+  };
+}
+
+function parseFrontMatter(source: string) {
+  try {
+    return matter(source);
+  } catch (error) {
+    const message = error instanceof Error ? error.message : "未知错误";
+    throw new Error(`无法解析 Markdown Front Matter：${message}`, {
+      cause: error
+    });
+  }
+}
+
+function normalizeMetadata(
+  data: Record<string, unknown>,
+  fallbackLanguage: string,
+  fallbackTitle: string
+): MarkdownDocumentMetadata {
+  return {
+    title: readString(data.title) || fallbackTitle,
+    author: readString(data.author),
+    subject: readString(data.subject) || readString(data.description),
+    keywords: readStringList(data.keywords ?? data.tags),
+    language: readString(data.language ?? data.lang) || fallbackLanguage
+  };
+}
+
+function readString(value: unknown): string {
+  if (typeof value === "string") {
+    return value.trim();
+  }
+
+  if (typeof value === "number" || typeof value === "boolean") {
+    return String(value);
+  }
+
+  return "";
+}
+
+function readStringList(value: unknown): string[] {
+  if (Array.isArray(value)) {
+    return value.map(readString).filter(Boolean).slice(0, 30);
+  }
+
+  if (typeof value === "string") {
+    return value
+      .split(",")
+      .map((item) => item.trim())
+      .filter(Boolean)
+      .slice(0, 30);
+  }
+
+  return [];
+}
+
+function extractFirstHeading(source: string): string {
+  const heading = source.match(/^#\s+(.+?)\s*#*\s*$/mu);
+  return heading?.[1]?.trim() ?? "";
+}
+
+function detectFeatures(html: string): ThemeFeature[] {
+  const featureChecks: Array<[ThemeFeature, RegExp]> = [
+    ["code", /<pre\b/u],
+    ["table", /<table\b/u],
+    ["task-list", /\bmd-task-list-item\b/u],
+    ["footnote", /\bfootnote/u],
+    ["katex", /\bkatex\b/u],
+    ["mermaid", /\bmermaid\b/u]
+  ];
+
+  return featureChecks
+    .filter(([, pattern]) => pattern.test(html))
+    .map(([feature]) => feature);
+}
+
+function renderFallbackFence(
+  tokens: Token[],
+  index: number,
+  renderer: Renderer
+): string {
+  const token = tokens[index];
+
+  if (!token) {
+    return "";
+  }
+
+  return `<pre${renderer.renderAttrs(token)}><code>${markdown.utils.escapeHtml(token.content)}</code></pre>\n`;
+}
+
+function escapeAttribute(value: string): string {
+  return markdown.utils.escapeHtml(value);
+}
diff --git a/packages/renderer/tests/render-markdown.test.ts b/packages/renderer/tests/render-markdown.test.ts
new file mode 100644
index 0000000..7e5ae8e
--- /dev/null
+++ b/packages/renderer/tests/render-markdown.test.ts
@@ -0,0 +1,102 @@
+import { describe, expect, it } from "vitest";
+import { renderMarkdown } from "../src/render-markdown.js";
+
+describe("renderMarkdown", () => {
+  it("渲染常用 Markdown 扩展并识别能力", () => {
+    const result = renderMarkdown(`
+# 示例文档
+
+| 名称 | 状态 |
+| --- | --- |
+| PDF | 可用 |
+
+- [x] 已完成
+- [ ] 待处理
+
+\`\`\`ts
+const answer = 42;
+\`\`\`
+
+脚注引用[^note]。
+
+[^note]: 脚注正文。
+`);
+
+    expect(result.articleHtml).toContain('id="write"');
+    expect(result.bodyHtml).toContain("<table>");
+    expect(result.bodyHtml).toContain("md-task-list-item");
+    expect(result.bodyHtml).toContain("hljs-keyword");
+    expect(result.bodyHtml).toContain("footnote");
+    expect(result.metadata.title).toBe("示例文档");
+    expect(result.features).toEqual(
+      expect.arrayContaining(["code", "table", "task-list", "footnote"])
+    );
+  });
+
+  it("读取并规范化 Front Matter 元数据", () => {
+    const result = renderMarkdown(`---
+title: 项目报告
+author: 张三
+subject: 技术方案
+keywords:
+  - Markdown
+  - PDF
+lang: zh-CN
+---
+
+# 不作为标题
+`);
+
+    expect(result.metadata).toEqual({
+      title: "项目报告",
+      author: "张三",
+      subject: "技术方案",
+      keywords: ["Markdown", "PDF"],
+      language: "zh-CN"
+    });
+  });
+
+  it("服务端渲染公式并保留 Mermaid 安全占位", () => {
+    const result = renderMarkdown(`
+内联公式 $E=mc^2$。
+
+\`\`\`mermaid
+flowchart LR
+  A[开始] --> B[结束]
+\`\`\`
+`);
+
+    expect(result.bodyHtml).toContain("katex");
+    expect(result.bodyHtml).toContain('class="mermaid"');
+    expect(result.bodyHtml).toContain("data-mermaid-pending");
+    expect(result.features).toEqual(
+      expect.arrayContaining(["katex", "mermaid"])
+    );
+  });
+
+  it("阻止原始 HTML 和危险链接形成可执行内容", () => {
+    const result = renderMarkdown(`
+<script>alert("xss")</script>
+
+[危险链接](javascript:alert("xss"))
+`);
+
+    expect(result.bodyHtml).not.toContain("<script");
+    expect(result.bodyHtml).not.toMatch(/href=["']javascript:/u);
+    expect(result.bodyHtml).toContain("&lt;script&gt;");
+  });
+
+  it("为重复中文标题生成唯一锚点", () => {
+    const result = renderMarkdown(`
+# 章节
+
+## 章节
+
+## 章节
+`);
+
+    expect(result.bodyHtml).toContain('id="%E7%AB%A0%E8%8A%82"');
+    expect(result.bodyHtml).toContain('id="%E7%AB%A0%E8%8A%82-2"');
+    expect(result.bodyHtml).toContain('id="%E7%AB%A0%E8%8A%82-3"');
+  });
+});
diff --git a/packages/renderer/tsconfig.json b/packages/renderer/tsconfig.json
new file mode 100644
index 0000000..c6bd117
--- /dev/null
+++ b/packages/renderer/tsconfig.json
@@ -0,0 +1,16 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "rootDir": "src",
+    "outDir": "dist",
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "include": [
+    "src"
+  ]
+}
diff --git a/themes/typora-like/theme.css b/themes/typora-like/theme.css
index 10c63bd..6ebfece 100644
--- a/themes/typora-like/theme.css
+++ b/themes/typora-like/theme.css
@@ -83,6 +83,27 @@
   background: transparent;
 }
 
+#write .hljs-keyword,
+#write .hljs-selector-tag,
+#write .hljs-literal {
+  color: #9a3412;
+}
+
+#write .hljs-string,
+#write .hljs-attr {
+  color: #166534;
+}
+
+#write .hljs-title,
+#write .hljs-function {
+  color: #1d4ed8;
+}
+
+#write .hljs-comment {
+  color: #7c838a;
+  font-style: italic;
+}
+
 #write table {
   width: 100%;
   margin: 1.3em 0;
@@ -106,3 +127,37 @@
   max-width: 100%;
   height: auto;
 }
+
+#write .contains-task-list {
+  padding-left: 0.25em;
+  list-style: none;
+}
+
+#write .md-task-list-item {
+  list-style: none;
+}
+
+#write .task-list-item-checkbox {
+  margin: 0 0.55em 0.2em 0;
+  vertical-align: middle;
+}
+
+#write .footnotes {
+  margin-top: 2.5em;
+  padding-top: 1em;
+  border-top: 1px solid var(--md-border);
+  color: var(--md-muted);
+  font-size: 0.9em;
+}
+
+#write .katex-display {
+  margin: 1.4em 0;
+  overflow-x: auto;
+  overflow-y: hidden;
+  text-align: center;
+}
+
+#write .mermaid {
+  margin: 1.5em auto;
+  text-align: center;
+}