/* 清除内外边距 */
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, /* structural elements 结构元素 */
dl, dt, dd, ul, ol, li, /* list elements 列表元素 */
pre, /* text formatting elements 文本格式元素 */
fieldset, lengend, button, input, textarea, /* form elements 表单元素 */
th, td { /* table elements 表格元素 */
margin: 0;
padding: 0; }
body,button,input,select,textarea { font-size: 12px; font-family: PingFang Medium, "Microsoft YaHei", "PingFang SC", Arial, "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif; }

* { -webkit-box-sizing: border-box; box-sizing: border-box; }

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

ul,ol { list-style: none; }

a { text-decoration: none; color: #333; }
a:link, a:visited, a:hover, a:active { text-decoration: none; }

fieldset,img { border: 0; }

button,input,select,textarea { font-size: 100%; outline: none; }
input:focus { outline: none; }

/*去掉input在type="number"时的上下小箭头*/
input[type=number] { -moz-appearance:textfield; }
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

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

.left { float: left; }
.right { float: right; }
.clearfix { clear:both; }
.clearfix:after { clear: both; content:" "; display: block; font-size: 0; height: 0; visibility: hidden; }
/* for IE6 */
*html .clearfix { zoom:1; }
/* for IE7 */
*+html .clearfix { zoom:1; }