#+LANGUAGE: zh-CN
#+OPTIONS: num:nil
#+HTML_HEAD: <style>
#+HTML_HEAD: body, pre {
#+HTML_HEAD:    background-color: black;
#+HTML_HEAD:    color: white;
#+HTML_HEAD: }
#+HTML_HEAD: a {
#+HTML_HEAD:    color: white;
#+HTML_HEAD: }
#+HTML_HEAD: </style>