/*normalize.css*/
html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}
body{margin:0}
article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}
audio,canvas,progress,video{display:inline-block;vertical-align:baseline}
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}
h1{font-size:2em;margin:0.67em 0}
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;font:inherit;margin:0}
button{overflow:visible}
button,select{text-transform:none}
button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}
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;padding:0}
input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}
input[type="search"]{-webkit-appearance:textfield;box-sizing:content-box}
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;padding:0}
textarea{overflow:auto}
optgroup{font-weight:bold}
table{border-collapse:collapse;border-spacing:0}
td,th{padding:0}

/*base atom 常用*/
/* 块状元素水平居中 */
.auto{margin-left:auto;margin-right:auto}
/* 清除浮动*/
.clear{*zoom:1}
.clear:after{display:table;content:'';clear:both}
/* 绝对定位隐藏 */
.abs-out{position:absolute;left:-999em;top:-999em}
.abs-clip{position:absolute;clip:rect(0 0 0 0)}
.sr-only{position:absolute;overflow:hidden;clip:rect(0,0,0,0);margin:-1px;padding:0;width:1px;height:1px;border:0}
/* position */
.fixed{position:fixed}
/* overflow */
.ovh{overflow:hidden}
/* float */
.fl{float:left}
.fr{float:right}
.fn{float:none;}
/* text-align */
.tc{text-align:center}
.tr{text-align:right}
.tl{text-align:left}
.tj{text-align:justify}
/* font-style */
.normal{font-weight:normal;font-style:normal}
.bold{font-weight:bold}
.italic{font-style:italic}
/* display */
.none{display:none}
.block{display:block}
/*text uppercase*/
.upper{text-transform:uppercase}
.lower{text-transform:lowercase}
.cap{text-transform:capitalize}