解决字体冲突并调整了字体

错误提示：

! LaTeX Error: Option clash for package fontspec.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
...

l.67 ...Package[\eu@zf@math]{fontspec}[2008/08/09]

解决方案参见 http://bbs.ctex.org/forum.php?mod=viewthread&tid=70027