/*! 基础css，基于 normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */
html {
    font-family: "Microsoft YaHei", "Segoe UI", "Lucida Grande", Helvetica, Arial, FreeSans, Arimo, "Droid Sans","wenquanyi micro hei","Hiragino Sans GB", "Hiragino Sans GB W3", Arial, sans-serif; /* Segoe UI - Windows UI 字体（从 Windows Vista 开始使用）；Helvetica Neue 是 iOS7 及 OSX 10.10 UI 字体（在部分文字垂直居中的场景有一些小问题，暂时先使用 Lucida Grande）；有些 Windows 用户安装了丽黑字体，丽黑字体在 Windows 上渲染出来很模糊，所以把微软雅黑放在苹果丽黑之前；FreeSans - 包括 Ubuntu 之类的 Linux 分发版包含的字体。 */
    -ms-text-size-adjust: 100%; /* 2 */
    -webkit-text-size-adjust: 100%; /* 2 */
    font-size: 14px;
    line-height: 21px;
}

*, *:before, *:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
/* 所有元素的盒模型设置为 border-box */

body {
    margin: 0;
}

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

audio,
canvas,
progress,
video {
    display: inline-block; /* 1 */
    vertical-align: baseline; /* 2 */
}

    audio:not([controls]) {
        display: none;
        height: 0;
    }

[hidden],
template {
    display: none;
}

a {
    background-color: transparent;
}

    a:active,
    a:hover {
        outline: 0;
    }

abbr[title] {
    border-bottom: 1px dotted;
}

b,
strong {
    font-weight: bold;
}

dfn {
    font-style: italic;
}

mark {
    background: #ff0;
    color: #000;
}

small {
    font-size: 80%;
}

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

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

img {
    border: 0;
}

svg:not(:root) {
    overflow: hidden;
}

figure {
    margin: 1em 40px;
}

hr {
    box-sizing: content-box;
    height: 0;
}

pre {
    overflow: auto;
}

code,
kbd,
pre,
samp {
    font-family: monospace, monospace;
    font-size: 1em;
}

button,
input,
optgroup,
select,
textarea {
    color: inherit; /* 1 */
    font: inherit; /* 2 */
    margin: 0; /* 3 */
}

button {
    overflow: visible;
}

button,
select {
    text-transform: none;
}

button,
html input[type="button"], /* 1 */
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button; /* 2 */
    cursor: pointer; /* 3 */
}

    button[disabled],
    html input[disabled] {
        cursor: default;
    }

    button::-moz-focus-inner,
    input::-moz-focus-inner {
        border: 0;
        padding: 0;
    }

input {
    line-height: normal;
}

    input[type="checkbox"],
    input[type="radio"] {
        box-sizing: border-box; /* 1 */
        padding: 0; /* 2 */
    }

    input[type="number"]::-webkit-inner-spin-button,
    input[type="number"]::-webkit-outer-spin-button {
        height: auto;
    }

    input[type="search"] {
        -webkit-appearance: textfield; /* 1 */
        box-sizing: content-box; /* 2 */
    }

        input[type="search"]::-webkit-search-cancel-button,
        input[type="search"]::-webkit-search-decoration {
            -webkit-appearance: none;
        }

fieldset {
    border: 1px solid #c0c0c0;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
}

legend {
    border: 0; /* 1 */
    padding: 0; /* 2 */
}

textarea {
    overflow: auto;
}

optgroup {
    font-weight: bold;
}

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

td,
th {
    padding: 0;
}