fix(docs): locale translations for nav elements and headings

packages/web/src/content/i18n/zh-CN.json

@@ -57,9 +57,9 @@
   "share.opencode_name": "opencode",
   "share.models": "模型",
   "share.cost": "成本",
-  "share.input_tokens": "Input Tokens",
-  "share.output_tokens": "Output Tokens",
-  "share.reasoning_tokens": "Reasoning Tokens",
+  "share.input_tokens": "输入 Tokens",
+  "share.output_tokens": "输出 Tokens",
+  "share.reasoning_tokens": "推理 Tokens",
   "share.scroll_to_bottom": "滚动到底部",
   "share.attachment": "附件",
   "share.thinking": "思考",