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;
}

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;
}

/*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: 100vw;
	height: 20px;
	font-size: 1px;
	background-color: rgb(223, 223, 223);
	overflow: hidden;
}

.space_zx {
	/*纵向间隙*/
	float: left;
	width: 10px;
	font-size: 1px;
	overflow: hidden;
}

/*间隙层结束*/