/*
@名称: base
@功能: 重设浏览器默认样式
*/

/* 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%;
    font-family: MicrosoftYaHei;
    font-weight: normal;
    height: 100%;
    width: 100%;
    font-size: 100px;
    margin: 0;
    padding: 0;
}

/* 内外边距通常让各个浏览器样式的表现位置不同 */

body,
div,
dl,
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;
    color: #333;
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, Lucida Grande, Tahoma, sans-serif;
    /* font-family: MicrosoftYaHei; */
    box-sizing: border-box;
    font-weight: normal;
}

html,
body {
    overflow-x: hidden;
}

/* 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;
}

/* HTML5 媒体文件跟 img 保持一致 */

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

video {
    width: 100%;
    height: auto;
}

@media screen and (min-width: 801px) {
    .video80 video {
        width: 80%;
    }
}

img {
    vertical-align: middle;
    max-width: 100%;
}

/* 要注意表单元素并不继承父级 font 的问题 */

body,
button,
input,
select,
textarea {
    font: 12px/1.5 tahoma, arial, \5b8b\4f53;
    outline: none;
}

body {
    overflow-x: hidden;
}

input,
select,
textarea {
    font-size: 100%;
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, Lucida Grande, Tahoma, sans-serif;
    font-size: 13px;
}

/* 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: 300;
}

/* 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;
}

/* 来自yahoo, 让标题都自定义, 适应多个系统应用 */

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

/* 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;
}

a {
    color: #333;
}

/* 让链接在 hover 状态下显示下划线 */

/* a:hover { */

/*	color: #c00;*/

/* } */

/* 默认不显示下划线，保持页面简洁 */

ins,
a {
    text-decoration: none;
    cursor: pointer;
}

/* 清理浮动 */

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

.fn-clear {
    zoom: 1;
    /* for IE6 IE7 */
}

/* 隐藏, 通常用来与 JS 配合 */

body .fn-hide {
    display: none;
}

body .fn-show {
    display: block;
}

/* 设置内联, 减少浮动带来的bug */

.fl,
.fr {
    display: inline;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

@media screen and (max-width: 800px) {
    .fl {
        width: 100%;
    }
}

input,
button {
    border: none;
    outline: none;
    outline-style: none;
}

select {
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}

button {
    cursor: pointer;
}