/*  reset
============================= */
html, body, div, span, button,
h1, h2, h3, h4, h5, h6, p, pre,
a, abbr, address, big, cite,
del, em, img，
small, 
dl, dt, dd, ol, ul, li,
fieldset, form, label,
article, aside, canvas, details, embed,
figure, figcaption, footer, header,
menu, nav, section {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

body {
    line-height: 1;
}

ol, ul {
    list-style: none;
}

blockquote, q {
    quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content: '';
    content: none;
}


i {
    font-style: normal;
}

/*  css 通用样式
============================= */
body, button, input, select, textarea {
    font: 12px/1.5 "Microsoft YaHei", tahoma, arial, "\5b8b\4f53";
    *line-height: 1.5;
    -ms-overflow-style: scrollbar
}

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

address, cite, em {
    font-style: normal
}

a {
    text-decoration: none
}

a:hover {
    text-decoration: underline
}

img {
    vertical-align: top;
}

fieldset, img {
    border: 0
}

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

/* 浮动 */
.fl {
    float: left;
}

.fr {
    float: right;
}

/* 水平居中 */
.text-center {
    text-align: center;
}

/* 清除浮动 */

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

.clearfix {
    *+height: 1%;
}

/*  边距  */
.p10 {
    padding: 10px;
}

.p15 {
    padding: 15px;
}

.p20 {
    padding: 20px;
}

.pt20 {
    padding-top: 20px;
}

.pr20 {
    padding-right: 20px;
}

.pb20 {
    padding-bottom: 20px;
}

.pl20 {
    padding-left: 20px;
}
.pt30 {
    padding-top: 30px;
}
.m10 {
    margin: 10px;
}

.mt10 {
    margin-top: 10px;
}

.mr10 {
    margin-right: 10px;
}

.mb10 {
    margin-bottom: 10px;
}

.ml10 {
    margin-left: 10px;
}

.m15 {
    margin: 15px;
}

.m20 {
    margin: 20px;
}

.mt20 {
    margin-top: 20px;
}

.mt30 {
    margin-top: 30px;
}
.mb30 {
    margin-bottom: 30px;
}