通用样式，如清除浮动

html, body, ul, li, ol, dl, dd, dt, p, h1, h2, h3, h4, h5, h6, form, fieldset, legend, img {
margin: 0;
padding: 0;
}

/*各浏览器显示不同，去掉蓝色边框*/
fieldset, img, input, button {
border: none;
padding: 0;
margin: 0;
outline-style: none;
}

ul, ol {
list-style: none;
}

input {
padding-top: 0;
padding-bottom: 0;
font-family: "SimSun", "宋体";
}

/*去掉行内替换元素空白缝隙*/
select, input {
vertical-align: middle;
}

/*去掉行内替换元素空白缝隙*/
img {
border: 0;
vertical-align: middle;
}

select, input, textarea {
font-size: 12px;
margin: 0;
}

/*防止拖动 影响布局*/
textarea {
resize: none;
}

table {
border-collapse: collapse;
}

body {
font: 12px/150% Arial, Verdana, "\5b8b\4f53"; /*宋体 unicode */
color: #666;
background: #fff;
}

/*清除浮动*/
.clearfix:before, .clearfix:after {
content: "";
display: table;
}

.clearfix:after {
clear: both;
}
.clearfix:after{
content:'';
display: block;
clear: both;
height: 0;
visibility: hidden;
}
.clearfix {
*zoom: 1; /*IE/7/6*/
}

a {
color: #666;
text-decoration: none;
}

a:hover {
color: #C81623;
}

h1, h2, h3, h4, h5, h6 {
text-decoration: none;
font-weight: normal;
font-size: 100%;
}

s, i, em {
font-style: normal;
text-decoration: none;
}

/*京东色*/
.col-red {
color: #C81623 !important;
}

/*公共类*/
.w {
/*版心 提取 */
width: 1210px;
margin: 0 auto;
}

.fl {
float: left;
}

.fr {
float: right;
}

.al {
text-align: left;
}

.ac {
text-align: center;
}

.ar {
text-align: right;
}

.hide {
display: none;
}
.nav{
background:#f5f5f5;
}
.head{
width:1190px;
height: 35px;
margin: 0 auto;
background: #f5f5f5;
}
.head .nav-l{
float: left;
padding-top:10px;
}
.head .nav-r{
padding-top: 10px;
float: right;
}
.head
.clearfix:after1{
content:"";
display: block;
height:0;
clear:both;
visibility: hidden;
}
a{
text-decoration: none;
color: black;
}
li{
display: inline-block;
list-style:none;
}