/*basic*/
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body {
	font-size: 16px;
	font-family: Microsoft Yahei, "微软雅黑", Arial;
	color: #333;
}
a {
	text-decoration: none;
	color:#333;
}
img {
	border: none;
}
li {
	list-style: none;
}
.center {
	text-align: center;
}
.clear {
	clear: both;
}
.tc{
	text-align:center;
}
.tl{
	text-align:left;
}
.tr{
	text-align:right;
}
.fl{
	position:relative;
	float:left;
	display:inline;
}
.fr{
	position:relative;
	float:right;
	display:inline;
}
.cb{
	clear:both;
}
.db{
	display:block;
}
.di{
	display:inline;
}
.oh{
	overflow:hidden;
}
/* 宽度1200 居中 */
.w-1200{
	width: 1200px;
	margin-left: auto;
	margin-right: auto;
}