.main{
	width:1200px;
	margin:0 auto;
}
*{
	margin:0;
	padding:0;
	font-family: "microsoft yahei";
}
ul{
	list-style: none;
}
a{
	text-decoration: none;
	color:black;
	cursor:pointer
}
.clearfix:before,.clearfix:after{
    content: "";
    display: table;
}
.clearfix:after{

    clear: both;
}
.clearfix{
    zoom:1;
}
.lf{
    float: left;
}
.rf{
    float: right;
}
h1,h2,h3,h4,h5,h6{

    font-size: 100%;
    font-weight: normal;
}
input{
    border: 0; 
    outline: none;
}
select{
    border:none;
    outline: none;
}
input::-webkit-input-placeholder {
color:#666; 
} 
input:-moz-placeholder {
color:#666; 
opacity: 1;
} 
input::-moz-placeholder {
color:#666; 
opacity: 1;
} 
input:-ms-input-placeholder { 
color:#666; 
} 
select{
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none;
}
select::-ms-expand { 
    display: none; 
}