.cifnews-layout-part-header{
    height: 250px;
}
.cifnews-layout-part-nav{
    height: 45px;
}
.cifnews-layout-part-crumb,.cifnews-layout-part-box1,.cifnews-layout-part-main{
    width:1200px;
    margin: 0 auto;
    overflow: hidden;
}
.cifnews-layout-part-left{
    width: 870px;
    float: left;
}
.cifnews-layout-part-right{
    float: right;
    width: 310px;
}
.cifnews-layout-part-sider1,.cifnews-layout-part-sider2,.cifnews-layout-part-sider3,.cifnews-layout-part-sider4{
    margin-bottom: 20px;
}