.header .back {
	opacity: 0;
}

.center {
	background: #E6E9ED;
	margin-bottom: 3em;
}

.center .question {
	border-top: 1px solid #E6E9ED;
	margin-bottom: 0.8em;
}

.center .question .title {
	padding: 0.8em;
	border-bottom: 1px solid #E6E9ED;
	background: #FFF;
}

.center .question .title span,.center .question .answer span {
	font-size: 1.2em;
	display: inline-block;
}

.center .question .title span:FIRST-CHILD {
	padding: 0.8em 0.25em;
	/* background: #DD0000; */
	margin-right: 0.6em;
}

.center .question .title span:LAST-CHILD {
	position: relative;
	top: -0.3em;
}

.center .question .text {
	background: #FFF;
}

.center .question .text>div {
	padding: 0.8em;
	border-bottom: 1px solid #E6E9ED;
}

.center .question .answer .select {
	width: 1.6em;
	height: 1.6em;
	display: inline-block;
	margin-right: 0.3em;
}

.center .question .table .select {
	width: 1.6em;
	height: 1.6em;
	display: inline-block;
	margin-right: 0em;
}

.center .question .answer .rnoselect {
	background: url("../../image/radio2.png") center no-repeat;
	background-size: 1.6em 1.6em;
}

.center .question .answer .rselected {
	background: url("../../image/radio1.png") center no-repeat;
	background-size: 1.6em 1.6em;
	border-radius: 50%;
}

.center .question .answer .cnoselect {
	background: url("../../image/select2.png") center no-repeat;
	background-size: 1.6em 1.6em;
}

.center .question .answer .cselected {
	background: url("../../image/radio1.png") center no-repeat;
	background-size: 1.6em 1.6em;
}

.center .question .text div span:LAST-CHILD {
	top: -0.5em;
	position: relative;
	color: #999;
}

.center .question .table {
	display: table;
	width: 100%;
	box-sizing: border-box;
	-webkit-box-sizing: border-box;
	-ms-box-sizing: border-box;
	-o-box-sizing: border-box;
	border-collapse: collapse;
}

.center .question .table .row {
	display: table-row;
	/* vertical-align: middle; */
	width: 100%;
}

.center .question .table .row .cell {
	display: table-cell;
	width: 50%;
	position: relative;
	padding-bottom: 0.25em;
	vertical-align: top;
}

.center .question .table .row:FIRST-CHILD .cell {
	padding-top: 0.5em;
}

.center .question .table .row .cell:nth-child(odd) {
	padding-left: 0.5em;
	padding-right: 0.25em;
}

.center .question .table .row .cell:nth-child(even) {
	padding-right: 0.5em;
	padding-left: 0.25em;
}

.center .question .table .row .cell .select {
	position: absolute;
	right: 0.8em;
	bottom: 0.8em;
}

.center .question .table .row .cell span:LAST-CHILD {
	width: 100%;
	box-sizing: border-box;
	-webkit-box-sizing: border-box;
	-ms-box-sizing: border-box;
	-o-box-sizing: border-box;
}

.center .question .table .row .cell img {
	display: block;
	width: 100%;
}

.center .btn {
	width: 100%;
	/* padding: 0em 0.8em; */
	position: fixed;
	bottom: 0px;
}

.center .btn input {
	width: 100%;
	height: 3em;
	font-size: 1.2em;
	/* background: #DD0000; */
	color: #FFF;
}

.center .tips {
	text-align: center;
	padding: 0.8em;
	background: #FFF;
}

.center .tips span {
	background: #E6E9ED;
	width: 100%;
	display: block;
	padding: 0.8em 0em;
	line-height: 1.5;
}