html{
	height: 100%;
}
body{
	min-height: 100%;
	position: relative;
}
body:after{
	display: block;
	content: '';
	height: 70px;
}

.foot{
	position: absolute;
	bottom: 0;
	width: 100%;
	min-width: 1000px;
	background: #000;
	color: #fff;
	font-size: 12px;
	text-align: center;
	line-height: 22px;
	padding: 12px 0;
}
.foot a{
	display: inline-block;
	color: #fff;
}
.foot span{
	display: inline-block;
	width: 1px;
	height: 10px;
	background: #fff;
	margin: 0 5px;
	overflow: auto;
}

.head{height: 60px;border-bottom:1px solid #efefef;background: #315dc0;}
	.head img{float: left;}
.w_size,.page{width: 1200px;margin: 0 auto}
	.w_size img{
		margin-top: 15px;
	}
.suspli{
        position: fixed;
        right: 20px;
        bottom: 50px;
        z-index: 99;
        text-align: center;
    }
    .suspli>a:hover{
    	background: #689dd8;
    	color:#fff
    }
    .suspli a{
        display: block;
        width: 32px;
        height: 40px;
        text-align: center;
        background: #fff;
        padding: 5px;l
        line-height: 20px;
        font-size: 14px;
        margin-bottom: 5px;
        color: #333;
        cursor: pointer;
    }
    .suspli .sys{
        width: 42px;
        height: 40px;
        background: url("http://xs.ai.pkulaw.cn/resource/official/images/add/sys.jpg");
        background-position: 0px 40px;
        cursor: pointer;
        position: relative;
    }
    .suspli .sys:hover{
        background-position: 0 0;
    }
    .suspli .sys div{
        display: none;
        position: absolute;
        bottom: -5px;
        right: 45px;
    }
    .suspli .sys:hover div{
        display: block;
    }
    .nav{
    	float: right;
    	line-height: 60px;
    	color: #fff;
    	font-size: 17px;
    }
    .nav a{
    	color: #fff;
        display: inline-block;
    }
    .nav>div{
    	display: inline-block;
    	padding: 0 20px;
    	cursor: pointer;
    }
    .nav>div.active,.nav>div:hover{
    	background: #4c73be
    }
    .nav>div.a:hover{
    	background: rgba(0,0,0,0);
    }
    .nav>div.a>a{
    	display: inline-block;
    	background: #fff;
    	line-height: 30px;
    	padding: 0 10px;
    	color: #478ede;
    	/*font-weight: bold;*/
    	font-size: 16px;
    }
    .nav>div.down{
    	position: relative;
    	height: 60px;
    }
    .nav>div.down>div{
    	display: none;
    	position: absolute;
    	top: 100%;
    	left: 0;
    	line-height: 40px;
    	background: #4c73be;
    	width: 320px;
    }
    .nav>div.down:hover>div{
    	display: block;
    }
    .nav>div.down>div span{
    	display: block;
    	padding-left: 20px;
    }
    .nav>div.down>div span:hover{
    	color: #f0ad4d
    }
    .page{
    	padding: 30px 0;
    }
.page a {
	font-size: 16px;
    display: inline-block;
    line-height: 30px;
    padding: 10px 30px;
    color: #fff;
    background: #478ede
}
.page a.active{
	background: #689dd8
}