html {
    margin: 0;
    padding: 0;
    border: 0;
}

body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
p,
blockquote,
pre,
a,
address,
code,
b,
em,
img,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
footer,
header,
hgroup,
nav,
section {
    margin: 0;
    padding: 0;
    border: 0;
}

a {
    text-decoration: none;
    outline: none;
}

a:hover,
a:active,
a:focus {
    text-decoration: none;
    outline: none;
}

input {
    padding: 0;
    margin: 0;
    font-family: 'Microsoft YaHei';
}

img {
    border: none;
    background: none;
    vertical-align: middle;
}

ul,
ol,
li {
    list-style-type: none;
}

select,
input,
img,
select {
    vertical-align: middle;
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

table,
th,
td {
    vertical-align: middle
}

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    overflow: hidden;
    visibility: hidden;
}

.clearfix {
    zoom: 1
}

.clearboth {
    height: 0px;
    line-height: 0px;
    overflow: hidden;
    clear: both;
    font-size: 0px;
}

#m_demo {
    overflow: hidden;
    width: 100%;
    margin: 0 auto;
    padding-top: 20px;
}

#m_indemo {
    float: left;
    width: 800%
}

#m_demo1 {
    float: left;
}

#m_demo2 {
    float: left;
}

#demo {
    overflow: hidden;
    width: 100%;
    margin: 0 auto;
}

#indemo {
    float: left;
    width: 800%
}

#demo1 {
    float: left;
}

#demo2 {
    float: left;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}

.fl {
    float: left;
}

.fr {
    float: right;
}