/* Reset */
/* 清除内外边 */
html, body, div, span, applet, object, iframe,
abbr, acronym, address, big, cite, code,
img, ins, kbd, q, s, samp,
small, strike, sub, sup, tt, var,
article, aside, canvas, details, figcaption, figure, 
header, footer, hgroup, menu, nav, section, summary,
time, mark, audio, video, /* structural elements 结构元素 */ 
dl, dt, dd, ul, ol, li, /* list elements 列表元素 */ 
h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, b, i, strong, del, dfn, em, font, /* text formatting elements 文本格式元素 */ 
form, label, fieldset, legend, button, input, textarea, /* form elements 表单元素 */ 
table, caption, thead, tbody, tfoot, tr, th, td /* table elements 表格元素 */ { margin:0; padding:0; box-sizing: border-box; }

/* 设置默认字体 */
body, button, input, select, textarea /* for ie */ { font-size:14px; line-height: 150%; font-family: "PingFang SC","Lantinghei SC","Microsoft YaHei",arial,"\5b8b\4f53",sans-serif,tahoma; color:#333; }
h1, h2, h3, h4, h5, h6 { font-size:100%; font-weight:normal; font-style:normal; }
address, cite, dfn, em, var, i { font-style:normal; } /* 清除特殊字体样式 */
code, kbd, pre, samp { font-family:courier new, courier, monospace; } /* 统一等宽字体 */
small { font-size:12px; } /* 小于 12px 的中文很难阅读，让 small 正常化 */

/* 重置列表元素 */
ol, ul, dl { list-style:none; }
/* 重置链接文本格式 */
a { color:#2561bd; text-decoration:none; }
a:hover { color:#f30; text-decoration:underline; }
/* 重置表单元素 */
legend { color:#000; } /* for ie6 */
fieldset, img { border:none; } /* img 搭车：让链接里的 img 无边框 */
button, input, select, textarea { font-size: 100%; vertical-align:middle; outline: none !important; } /* 使得表单元素在 ie 下能继承字体大小 表单与文本居中对齐 */
/* 注：optgroup 无法扶正 */
sub, sup { font-size:75%; line-height:0; position:relative; vertical-align:baseline; }
sup { top:-0.5em; }
sub { bottom:-0.25em; }
/* 重置表格元素 */
table { width: 100%; border-collapse:collapse; border-spacing:0; }
/* 重置其他元素 */
img { vertical-align: middle; }
blockquote, q { quotes:'"' '"' "'" "'"; }
ins { background-color:#ff9; color:#000; text-decoration:none; }
mark { background-color:#ff9; color:#000; font-style:italic; font-weight:bold; }
del { text-decoration: line-through; }
abbr[title], dfn[title] { border-bottom:1px dotted; cursor:help; }
hr { height:1px; margin:1em 0; padding:0; border:0; border-top:1px solid #ccc; display:block; }

.clear:after { content:"."; height:0; display:block; clear:both; visibility:hidden; }
/* 下边为浏览器兼容代码 */
.clear { display:inline-table; }
/* Hides from IE-mac \*/
* html .clear { height:1%; }
.clear { display:block; }
/* End hide from IE-mac */

/* Others */
.mTop { margin-top:10px; }
.mBottom { margin-bottom:10px; }
.show { display:block; }
.hide { display:none; }
.left { text-align:left !important; }
.center { text-align:center !important; }
.right { text-align:right !important; }
.fL { float:left; }
.fR { float:right; }
.indent { text-indent:2em; }
.readonly { background:#fff; color:#333; }
.must { color:red; padding-left:3px; }