.slider {
z-index: 9;
max-width: 1400px;
height: 475px;
overflow: hidden;
margin: 0 0 7px;
position: relative;
margin: 0 auto;
}
.slider ul,
.slider li {
padding: 0;
margin: 0;
list-style-type: none;
}
.slider ul {
width: 9999px; 
}
.slider ul li {
list-style-type: none;
float: left;
}
.slider .snav {
position: absolute;
left: 15px;
bottom: 12px; 
left:50%;
margin-left: -54px;
}
.slider .snav span {
opacity: 0.9;
background: #fff;
margin: 0 14px 0 0;
width: 8px;
height: 8px;
border: 2px solid #fff;
background: #999999;
border-radius: 8px;
cursor: pointer;
overflow: hidden;
display: block;
float: left;
/*box-shadow: 0 1px 2px #000;*/

}
.slider .snav span.on {
margin-top: 1px;
background: #fff;
border: 1px solid #1893d0;
}
.slider img {
	width: 100%; 
}