body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td {margin: 0;padding: 0;}
a {text-decoration: none;}
fieldset, img {border: 0;}
html,body{ height:100%; width:100%;}
address, caption, cite, code, dfn, em, th, var {font-style: normal;font-weight: normal;}
ol, ul {list-style: none;}
caption, th {text-align: left;}
q:before, q:after {content: '';}
abbr, acronym {border: 0;}
/*通用父子盒子嵌套浮动问题解决，开始*/
.clear {margin: 0px auto;width: 100%;height: 1px;font-size: 1px;clear: both;background: none;overflow: hidden;}
.clearfix:after {content: ".";display: block;height: 0;clear: both;visibility: hidden;}
.clearfix {display: inline-block;}
* html .clearfix {height: 1%;}
.clearfix {display: block;}
* {-webkit-box-sizing: border-box;-moz-box-sizing: border-box;box-sizing: border-box;margin:0;}
*:before,*:after {-webkit-box-sizing: border-box;-moz-box-sizing: border-box;box-sizing: border-box; margin:0;}
/*通用父子盒子嵌套浮动问题解决，结束*/
/*间隙层开始*/
.space_hx { /*横向间隙*/clear: both;width: 100%;height: 20px;font-size: 1px;overflow: hidden;}
.space_zx { /*纵向间隙*/float: left;width: 10px;font-size: 1px;overflow: hidden;}
/*间隙层结束*/