<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<link href="https://cdn.bootcss.com/font-awesome/4.6.3/css/font-awesome.css" rel="stylesheet">
<style>
*{padding: 0;margin: 0;list-style: none;text-decoration: none; font-family: '微软雅黑'}
.container {
1140px;
margin: 0 auto
}
.m1-common .title {
font-size: 40px;
color: #5c6670;
line-height: 50px
}
.m1-common .content {
font-size: 16px;
line-height: 24px;
color: #5c6670;
margin-top: 30px
}
.m1-common a.link {
font-size: 18px;
display: block;
line-height: 32px;
color: #df001f;
margin-top: 20px
}
.section {
position: relative;
min-height: 500px;
overflow: hidden;
}
.section .icon-right {
font-size: 12px
}
.abs-text {
position: absolute;
left: 50%
}
.summary-design .abs-text {
top: 85px;
z-index: 5;
500px;
margin-left: -250px;
}
.summary-design .nav-rect {
position: absolute;
left: 0;
bottom: 60px;
100%;
z-index: 3;
text-align: center;
}
.summary-design .nav-rect li {
15px;
height: 15px;
display: inline-block;
margin: 0 4px;
transition: all .6s ease-out;
cursor: pointer;
background: #fff;
border-radius: 50%
}
.summary-design .nav-rect .last {
margin-right: 0
}
.summary-design .nav-rect .current {
background: #242424;
cursor: default
}
.summary-design .title,
.summary-design .content,
.summary-design a.link {
color: #fff
}
.summary-design.t-w .title,
.summary-design.t-w .content {
color: #5c6670
}
.summary-design.t-w a.link {
color: #df001f
}
.summary-design .img-list {
position: absolute;
100%;
height: 100%;
top: 0;
left: 0;
z-index: 2
}
.summary-design .img-list li {
position: absolute;
100%;
height: 100%;
top: 0;
left: 0;
z-index: 5;
opacity: 0;
transition: opacity .6s ease-out
}
.summary-design .img-list .img-a {background: black;}
.summary-design .img-list .img-b {background: rgba(0,0,255,.3);}
.summary-design .img-list .img-c {background: orange; }
.summary-design .img-list .img-f {background: #ddd; }
.summary-design .img-list .img-e {background: pink;}
.summary-design .img-list .img-d {background: rgba(255,0,0,.3);}
.summary-design .img-list .current {
opacity: 1
}
.summary-design .nav-forward {
position: absolute;
transition: all .3s ease-out;
top: 35%;
left: 50%;
z-index: 20;
margin-left: -570px;
opacity: 0
}
.summary-design .nav-forward .left-forward {
position: absolute;
left: 0;
50px;
height: 150px;
border-radius: 2px;
cursor: pointer
}
.summary-design .nav-forward .right-forward {
position: absolute;
right: 0;
50px;
height: 150px;
border-radius: 2px;
cursor: pointer
}
.summary-design .nav-forward li {
color: #fff;
text-align: center
}
.summary-design .nav-forward li span {
font-size: 50px;
font-weight: 100;
line-height: 150px
}
.summary-design .nav-forward li:hover {
background: rgba(204,204,204,.6)
}
.summary-design:hover .nav-forward {
opacity: 1
}
</style>
</head>
<body>
<!-- 轮播 -->
<div class="section summary-design m1-common">
<div class="abs-text">
<h2 class="title">精彩的科技 出彩的设计</h2>
<p class="content">M1 在延续 NIU 家族设计语言的同时，加入更多潮流色彩元素、以及聪明过人的智能科技，为你的行动表现力加分。</p>
<a class="link" href="/m1/design" target='_blank'>了解设计<span class='fa fa-angle-right'></span></a>
</div>
<ul class="img-list J_imgBlock" data-index='0'>
<li class='img-a current'>a</li>
<li class='img-b'>b</li>
<li class='img-c'>c</li>
<li class='img-d'>d</li>
<li class='img-e'>e</li>
<li class='img-f'>f</li>
</ul>
<ul class="nav-forward container J_forNav">
<li class="left-forward">
<span class='fa fa-angle-left'></span>
</li>
<li class="right-forward">
<span class='fa fa-angle-right'></span>
</li>
</ul>
<ul class="nav-rect clearfix J_listNav">
<li class='current'></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<script src="https://cdn.bootcss.com/jquery/3.0.0/jquery.min.js"></script>
<script>
$(function(){
// 第二屏轮播
var listNav = $('.J_listNav li'); //点
var listNavLi = $('.J_imgBlock li'); //图片
var _index = 0;
var timer = null;
var rightForward = $('.right-forward'),leftForward = $('.left-forward');
// leftForward.hide();
rightForward.bind('click',function(){
_index = _index == listNav.length-1?0:_index+1;//是+1 不是+=
stopfn();//清除读秒
console.info(_index);
change();
startfn();//开始读秒
})
leftForward.bind('click',function(){
_index = _index == 0?listNav.length-1:_index-1;//同理
stopfn();//清除读秒
console.warn(_index);
change();
startfn();//开始读秒
})
listNav.bind('click',function(){
if($(this).hasClass('current')){
return;
}
_index = $(this).index();
stopfn();//清除读秒
console.log(_index);
change();
startfn();//开始读秒
})
function autoChange(){
console.log(_index);
//change();
_index = _index == listNav.length-1?0:_index+1;//同理
change();//在index改变后执行
}
startfn();
function change(){
listNav.eq(_index).addClass('current').siblings().removeClass('current');
listNavLi.eq(_index).addClass('current').siblings().removeClass('current');
$('.summary-design').toggleClass('t-w',_index==listNav.length-1);
}
function startfn(){timer = setInterval(autoChange,2000);}//读秒轮播
function stopfn(){clearInterval(timer)}//清除读秒
// END 轮播
})
</script>
</body>
</html>