.header>ul>li>a {
   font-weight:bold;
}
.div-zuo h2 {
    font-size:20px;
    font-weight: bold;
}
.fuwu h2,.xinwen h2,.weixin h2 {
    font-size:20px;
    font-weight: bold;
}
.fuwu h2 span,.xinwen h2 span,.weixin h2 span{
    font-size:14px;
    position:relative;
    top:1px;
    font-weight:normal;
}
.main-top .li-1 h3{
    font-weight:bold;
}
.main-top .li-1 span{
    font-weight:normal;
    position:relative;
    top:1px;
}