html, body {
    color: #666;
    background: #fff;
    font-family: "Microsoft Yahei";
}

body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td, hr, button, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    margin: 0;
    padding: 0;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    display: block;
}

audio, canvas, video {
    display: inline-block;
    *display: inline;
    *zoom: 1;
}

body, button, input, select, textarea {
    font: 12px/1.5 Arial, "Microsoft Yahei";
}

input, select, textarea {
    font-size: 100%;
}

th {
    text-align: inherit;
}

fieldset, img {
    border: 0;
}

iframe {
    display: block;
}

abbr, acronym {
    border: 0;
    font-variant: normal;
}

del {
    text-decoration: line-through;
}

address, caption, cite, code, dfn, em, th, var {
    font-style: normal;
    font-weight: 500;
}

ol, ul {
    list-style: none;
}

caption, th {
    text-align: left;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: 500;
}

q:before, q:after {
    content: '';
}

sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

a:hover {
    text-decoration: underline;
}

ins, a {
    text-decoration: none;
}

.clear:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}

.clear {
    zoom: 1;
}

body .hide {
    display: none;
}

.left, .right {
    display: inline;
}

.left {
    float: left;
}

.right {
    float: right;
}

.mb20 {
    margin-bottom: 20px
}

.mb10 {
    margin-bottom: 10px
}

.mb5 {
    margin-bottom: 5px
}