body,ul,li,a,img,p{
	margin: 0;
	padding: 0;
}
ul,li,ol{list-style: none;}
.sy_bj {
	width:100%;
	height:100%;
	background: url(../images/sybj.jpg) no-repeat;
	background-size: 100% 100%;
	background-size: cover;
	-webkit-background-size: cover;
	-o-background-size: cover;
	background-position: center 0;
}
.sy_logo {
	position: absolute;
	top: 18%;
	left: 50%;
	margin-left: -322px;
}
.sy_nz {
	position: absolute;
	top: 23%;
	left: 50%;
	margin-left: -90px;
}
.sy_wm {
	position: absolute;
	bottom: 28%;
	left: 18%;
	display: flex;
}
.sy_wmimg {
	display: inline-block;
	margin:0 5%;
}
.sy_wmcs {
	float: left;
}
.sy_dw {
	position: absolute;
	bottom: 7%;
	width: 100%;
	color: #fff;
	text-align: center;
	font-size: 36px;
}

.dt_logo {
	position: absolute;
	top: 14%;
	left: 42%;
}
.dt_fh {position: absolute;bottom: 10%;left: 50%;margin-left: -660px;z-index: 10;}
.dt_kj {
	position: absolute;
	bottom: 9%;
	left: 50%;
	width:1154px;
	height:619px;
	margin-left: -577px;
	background: url(../images/dt_kj.png) no-repeat;
	background-size: 100% 100%;
	background-size: cover;
}
.dt_tm {
	width: 750px;
	line-height: 40px;
	font-size: 30px;
	color: #333;
	margin: 0 auto;
	padding-top: 10px;
	height: 120px;
}
.dt_dak {
	width: 820px;
	line-height: 40px;
	color: #d44e20;
	font-size: 24px;
	
	margin: 100px auto 0;
}
.dt_da {
	padding: 5px 0px;
	border-bottom: #b5b5b5 1px dashed;
	width: 100%;
}
.dt_da input{
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    padding: 0;
    background-color: #c3c3c3;
    border-radius: 50%;
    outline: none;
    margin-right: 10px;
    cursor: pointer;
}
.dt_da input:checked{
    background-color: #4bf93c;
}
.dt_df {
	position: absolute;
	display: block; width: 240px;
	top: 35%;
	right: 50%;
	margin-right: 450px;
	color: #f0ff00;
	font-size: 40px;
	line-height: 60px;
}
.dt_djs {
	position: absolute;
	top: 35%;
	left: 50%;
	margin-left: 420px;
	color: #f0ff00;
	font-size: 40px;
	line-height: 60px;
}
.option_btn {text-align: center; display: block; padding-right:200px; padding-top: 10px;}
.option_btn .btn{ text-align: center; display:inline-block; padding:10px 30px;border-radius: 10px; background: #49F43A;  border:none; color: #fff;}