html,
body {
    font-family: Microsoft YaHei, Arial, Helvetica, sans-serif !important;
}

h1,
h2,
h3,
h4,
h5,
h6{
    font-family: Microsoft YaHei, Arial, Helvetica, sans-serif !important;
    font-weight: bold;
}
a,
p,
span,
div
header,
footer,
b,
strong,
ul,
li{
    font-family: Microsoft YaHei, Arial, Helvetica, sans-serif ;
}
b,strong{
    font-weight: bold!important; 
  }