/*页面总宽度*/
html,body{
    background: none !important;
}
#wrap{
    width: 100%;
    min-width: 1280px;
    margin: 0 auto;
}
/*主体内容宽度*/
.w{
    width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}
/*头部区域*/
.header{
    position: relative;
}
.top{
    position: absolute;
    z-index: 9;
    top: 0;
    width: 1000px;
    left: 50%;
    transform: translateX(-50%);   
}
.top{
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.top .logo{
    cursor: pointer;
}
.top .nav1{
    display: flex;
}
.top .nav1 li a{
    display: block;
    padding: 0 16px;
    height: 40px;
    line-height: 40px;
    font-size: 18px;
    color: #fff;
    text-align: center;
    background: #999;
    transition: all .3s;
}
.top .nav1 li a.on, .top .nav1 li a:hover{
    background: #888;
}
/*banner*/
.banner img{
    display: block;
    width: 100%;
    vertical-align: bottom;
}
/*nav2*/
.nav2_bg{
    background: #777;
    height: 50px;
    width: 100%;
}
.nav2{
    display: flex;
    justify-content: space-between;
}
.nav2 li a{
    display: block;
    width: 150px;
    height: 50px;
    line-height: 50px;
    font-size: 22px;
    color: #fff;
    text-align: center;
    background: #999;
    box-shadow: 0px 0px 0px 0px #000 ;
}
.nav2 li a.on, .nav2 li a:hover{
    background: #888;
}
/*main*/
.main{
   min-height: 300px;
}
/*title*/
.title{
  text-align: center;
}
.block {
   display: block;
}
/*版权*/
.copyright{
    margin:0px auto 0;
    width:100%;
    height:50px;
    line-height:50px;
    text-align:center;
    color:#fff;
    font-size:12px;
    background: #555;
}
/*回到顶部*/
#goToTop { position: fixed; right: 20px; z-index: 9000; bottom: 30px; }
#goToTop a { background: none repeat scroll 0 0 #ddd; border: 1px solid #CCCCCC; border-radius: 3px; -webkit-border-radius: 50px; color: #FF9966; font-size: 14px; text-decoration: none; text-shadow: 0 1px 0 #999; -webkit-text-shadow: 0 1px 0 #999; }
#goToTop a{
    padding: 10px;
    display: inline-block;
    letter-spacing: 10px;
    text-align: center;
}
#goToTop a:hover{
    background: none repeat scroll 0 0 #999;
}