body{
	background: url(../img/houtaiBg.jpg) center top no-repeat;
	background-size: 1920px 1000px;
}
.houtai{
	width: 600px;
	height: 545px;
	margin: 200px auto 0;
	position: relative;
	box-sizing: border-box;
	padding-top: 167px;
	background: url(../img/htDlk.png) no-repeat;
	background-size: 100% 100%;
}
.houtai .box{
	width: 400px;
	height: 50px;
	margin: 30px auto 0;
}
.houtai .box input{
	width: 100%;
	height: 100%;
	box-sizing: border-box;
	border: 1px solid #e1e1e1;
	text-align: center;
	font-size: 18px;
	border-radius: 6px;
	color: #515151;
	outline: none;
}
input::-webkit-input-placeholder { /* WebKit browsers */ 
	color: #c1c1c1; 
} 
input:-moz-placeholder { /* Mozilla Firefox 4 to 18 */ 
	color: #c1c1c1; 
} 
input::-moz-placeholder { /* Mozilla Firefox 19+ */ 
	color: #c1c1c1; 
} 
input:-ms-input-placeholder { /* Internet Explorer 10+ */ 
	color: #c1c1c1; 
} 
.houtai .box .inp1{
	width: 185px;
	float: left;
}
.houtai .box .yzm{
	width: 185px;
	height: 100%;
	float: right;
	background: #B9B9B9;
	border-radius: 10px;
}
.houtai .btn{
	width: 400px;
	height: 50px;
	border: 1px solid #e1e1e1;
	border-radius: 10px;
	box-sizing: border-box;
	text-align: center;
	font-size: 18px;
	color: white;
	line-height: 48px;
	margin: 50px auto 0;
}