body{
	margin: 0;
	padding: 0;
	color:#333;
	background: #f2f2f2;
	font-family: "microsoft yahei", "宋体", "Arial";
}
.w1200{
    margin: 0 auto;
    /* background: #fff; */
    padding: 20px;
}
.top{
	margin: 20px 0;
}
.logo img{
	display: block;
    margin: 0 auto;
}
.sec{
	margin-bottom: 20px;

}
.m550{
	min-height: 550px;
}
.sec_box label{
	color: rgb#424242;
	font-size: 18px;
	display: block;
	text-align: center;
	font-weight: bold;
	margin-bottom: 20px;
}
.sec_box{
	width: 500px;
	margin: 0 auto;
}
.sec_box input{
	display: block;
	width: calc(100% - 25px);
	height: 35px;
	padding-left: 20px;
	border: 1px solid #424242;
	border-radius: 50px;
	margin-bottom: 20px;
}
.sec_box button{
	    background: #424242;
	    color: #fff;
	    width: 120px;
	    border: none;
	    text-align: center;
	    margin: 0 auto;
	    display: block;
	    border-radius: 50px;
	    font-size: 14px;
	    padding: 10px;
	    width: 100%;
}
.tmmm{
	width: 500px;
    margin: 0 auto;
    border: 1px solid #c3c3c3;
    padding: 0 20px;
    font-size: 13px;
    margin-top: 20px;
}
.tm_box a{
	color: #333;
	text-decoration: none;
}