html,
body {
	height: 100%;
}

body {
	background: url(${ctx}/img/bj.jpg) no-repeat;
	background-size: cover;
}

section .section_box{
	width:510px;
	height:370px;
	border-radius:5px;
	border:1px solid #73bfff;
	position:absolute;
	top:50%;
	left:50%;
	margin-top:-185px;
	margin-left:-255px;
}
section .section_box .box h1 {
    letter-spacing:2px;
	text-align: center;
	font-size: 30px;
	color: #fff;
	font-family:SimHei;
	margin-top:20px;
}

.box {
	width: 500px;
	height: 360px;
	background: rgba(255, 255, 255, 0.2);
	padding: 20px;
	border-radius:5px;
	box-sizing: border-box;
	position: absolute;
	top: 50%;
	margin-top: -180px;
	left: 50%;
	margin-left:-250px;
}

.box ul {
	text-align: left;
	margin:30px 60px;
}

.box ul li {
	line-height: 32px;
	margin-top: 15px;
}


.box ul li input {
	width: 300px;
	height: 40px;
	font-size:16px;
	border: 1px solid #8fd1ef;
	border-radius: 5px;
	margin-left: 20px;
	text-indent: 3em;
}

/* webkit 娴忚鍣�/
::-webkit-input-placeholder {
    color:#fff;
    font-weight:normal;
    letter-spacing:2px;
    font-size:14px;
}
/* 鐏嫄娴忚鍣�*/
::-moz-placeholder {
    color:#fff;
    font-weight:normal;
    letter-spacing:2px;
      font-size:14px;
}
.box ul .yh {
	background:rgba(100, 190, 240, 0.3) url(../img/yh.png) no-repeat 10px center;
}

.box ul .mm {
	background:rgba(100, 190, 240, 0.3) url(../img/mm.png) no-repeat 13px center;
}

.box ul .yz input {
	width: 170px;
	font-weight:normal;
	background:rgba(100, 190, 240, 0.3) url(../img/yz_1.png) no-repeat 10px center;
}
input[type=text]:focus, input[type=password]:focus {
    border: 1px solid #0044ff;
}
.box ul .yz span {
	display: inline-block;
	width: 122px;
	height: 50px;
	vertical-align: middle;
	margin: 0 10px;
}

.box ul .dl a {
	margin-left: 20px;
	width: 300px;
	height: 40px;
	font-size:18px;
	text-align:center;
	line-height:40px;
	color:#fff;
	display: block;
	border-radius:5px;
	background: #0066ff;
}

.box ul .dl a:hover {
	background:#0044ff;
}