*{margin: 0;padding: 0;border: 0;list-style: none;}
body{background:url(../images/bg_all.png) no-repeat top center;}
.con{    width: 1000px;
    margin: 0 auto;
    padding: 156px 0 150px;
    overflow: hidden;}
.logo{    width: 330px;
    height: 68px;
    margin: 0 auto 60px;
	background: url(../images/alogo.png) no-repeat 0px -112px ;
}
.title{
	width: 155px;
	    height: 38px;
    margin: 0 auto 55px;
    overflow: hidden;
    text-indent: -999px;
    background: url(../images/alogo.png) no-repeat -175px -183px ;

}
.main dl{
	    width: 480px;
    padding-left: 20px;
    float: left;
}
.main dt{
	    margin-bottom: 6px;
    font-size: 18px;
    line-height: 1.4;
    color: #414141;
}
.main img{

    width: 148px;
   
   
}
.main dd{
	    margin-bottom: 28px;
    font-size: 14px;
    line-height: 1.5;
    color: #808080;
}
.main ul{
	width: 400px;
    padding-right: 20px;
    float: right;
}
.main li{
	    width: 148px;
    float: left;
        margin-right: 50px;
            margin-bottom: 25px;

}
.main span{    display: block;
    font-size: 16px;
    text-align: center;
    color: #a5a5a5;}
/* nav */
nav {
    position: fixed;
    width: 100%;
    height: 60px;
    bottom: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.6)

}
nav ul {
    width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}
nav ul li {
    float: left;
    width: 200px;
    height: 60px;
    line-height: 60px;
    text-align: center;
}
nav a{display: block;width: 200px;height: 60px;transition: background 0.8s;font-size: 14px; color:#fff;text-decoration: none;}
nav a.one:hover{background: #228bd6;}
nav a.two:hover{background: #c33;}
nav a.three:hover{background: #3aa624;}
nav a.four:hover{background: #c145cc;}
nav a.five:hover{background: #f2ca00;}