<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<style>
*{margin:0; padding:0;}
body,html{width:100%; height:100%;}
.bg {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
.bg-box-1{
background: url('img/1.jpg') no-repeat center/cover;
}
.bg-box-2{
background: url('img/2.jpg') no-repeat center/cover;
}
.bg-box-3{
background: url('img/3.jpg') no-repeat center/cover;
}
.bg-box-4{
background: url('img/4.jpg') no-repeat center/cover;
}
#wrap{
position: absolute;
overflow: hidden;
top:0; left:0; right:0; bottom:0;
margin:auto;
width: 1000px;
height: 400px;
}
#wrap ul{
width: 120%;
list-style: none;
}
#wrap ul li{
float: left;
width: 100px;
height: 400px;
cursor: pointer;
}
#wrap ul li:nth-child(1){
background: url('img/1.jpg') no-repeat center/cover;
}
#wrap ul li:nth-child(2){
background: url('img/2.jpg') no-repeat center/cover;
}
#wrap ul li:nth-child(3){
background: url('img/3.jpg') no-repeat center/cover;
}
#wrap ul li:nth-child(4){
background: url('img/4.jpg') no-repeat center/cover;
width: 700px;
}
#wrap ul li .text{
width: 100px;
height: 100%;
background: #000;
opacity: .5;
}
#wrap ul li .text p{
padding: 20px 40px;
font-family: 'Microsoft yahei';
color: #fff;
}
</style>
<body>
<div class="bg bg-box-1"></div>
<div class="bg bg-box-2"></div>
<div class="bg bg-box-3"></div>
<div class="bg bg-box-4"></div>
<div id="wrap">
<ul>
<li>
<div class="text">
<p>尼尔机械纪元</p>
</div>
</li>
<li>
<div class="text">
<p>尼尔机械纪元2</p>
</div>
</li>
<li>
<div class="text">
<p>尼尔机械纪元3</p>
</div>
</li>
<li class="curr">
<div class="text">
<p>尼尔机械纪元4</p>
</div>
</li>
</ul>
</div>
<script type="text/javascript"src="js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">
$(function(){
$('#wrap li').mouseover(function(){
if(!$(this).hasClass('curr')){
$(this).addClass('curr');
$(this).siblings("li").removeClass('curr');
// 切换背景
$('#wrap li').each(function(index){
if($(this).hasClass('curr')){
$('.bg').fadeOut(300);//逐渐改变被选元素的不透明度，从可见到隐藏
$('.bg:eq(' + index + ')').fadeIn(500);//逐渐改变被选元素的不透明度，从隐藏到可见（褪色效果）
}
});
$('.curr').stop().animate({
width: 700
}, 500, 'linear');
$('#wrap li').not('.curr').stop().animate({
width: 100
}, 500, 'linear');
}
});
});
</script>
</body>
</html>
