/* 防止用户自定义背景颜色对网页的影响，添加让用户可以自定义字体 */

html {
    color: #000;
    background: #fff;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* 内外边距通常让各个浏览器样式的表现位置不同 */

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;
    list-style: none;
    font-family: 'Microsoft Yahei';
}

/*定义字体*/

body,
button,
input,
select,
textarea {
    font: 12px/1.5 'Microsoft Yahei', Arial, Verdana, tahoma, Helvetica, sans-serif;
}

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

/* 重设 HTML5 标签, IE 需要在 js 中 createElement(TAG) */

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

a,
input {
    outline: none;
}

/* HTML5 媒体文件跟 img 保持一致 */

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

/* 去掉各Table  cell 的边距并让其边重合 */

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

/* IE bug fixed: th 不继承 text-align*/

th {
    text-align: inherit;
}

/* 去除默认边框 */

fieldset,
img {
    border: 0;
}

/* ie6 7 8(q) bug 显示为行内表现 */

iframe {
    display: block;
}

/* 去掉 firefox 下此元素的边框 */

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

/* 一致的 del 样式 */

del {
    text-decoration: line-through;
}

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

/* 去掉列表前的标识, li 会继承 */

ol,
ul {
    list-style: none;
}

/* 对齐是排版最重要的因素, 别让什么都居中 */

caption,
th {
    text-align: left;
}

/* 标题都自定义, 适应多个系统应用 */

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

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

.bd,
.hd {
    width: 100%;
    clear: both;
}

select {
    vertical-align: middle;
}

/* 统一上标和下标 */

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

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

/* 清理浮动 */

.clear {
    clear: both;
    height: 0;
    overflow: hidden;
    display: block;
    line-height: 0;
}

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

.clearfix {
    zoom: 1;
}