h1 
{
   font-weight: bold;
   font-family: 微软雅黑;
   color: #00007f;
}

h2
{
   font-size: 20px;
   font-weight: bold;
   font-family: 微软雅黑;
   margin-top: 20px;
   margin-bottom: 12px;
}

h3 
{
   font-size: 18px;
   font-weight: bold;
   font-family: 微软雅黑;
   margin-top: 16px;
   margin-bottom: 9px;
}

h4 
{
   font-size: 16px;
   font-family: 微软雅黑;
   margin-top: 12px;
   margin-bottom: 6px;
}