.Shengd{
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    background: url(../img/thy23sd_bgt1.jpg) top center no-repeat;
    position: relative;
    padding-top: 1px;
    padding-bottom: 600px;
    max-height: 4060px;
}
.jinrugw {
    position: absolute;
    right: 5%;
    top: 72px;
    display: block;
    cursor: pointer;
    z-index: 10;
}
.Navhy_ula{
	max-width:1920px;
	height: 72px;
	display: flex;
	justify-content: center;
	align-items: center;
	position: fixed;
	top: 0;
	left: 0;right: 0;
	margin: auto;
	z-index: 5;
	background: url(../img/thy23sd_dhbg.png) no-repeat;
}
.Navhy_ula li{
	padding: 0 30px;
	height:26px;
	border-left: 2px solid #fff;
	font-size: 24px;
	color: #fff;
	cursor: pointer;
}
.Navhy_ula li:hover{color: #fce7c8;}
.Navhy_ula li:nth-child(1){border: none;}
.video_box {
    position: absolute;
    left: 50%;
    top: 0px;
    height: 1080px;
    width: 1920px;
    transform: translate(-50%);
    overflow: hidden;
}
.xygqbox_zct {
    position: absolute;
    left: 50%;
    transform: translate(-50%);
    top: 815px;
}
.Shengd_dibu{
	position: absolute;
    left: 50%;
    transform: translate(-50%);
    bottom:0px;
}
.Shengd_box{
	width:1400px;
	margin: 0 auto;
	margin-top: 1190px;
}
.Shengd_diva{ width: 1400px;display: none;}
.Shengd_bta{
	display: block;
	margin: 0 auto;
}
.Shengd_divb{
	width: 1000px;
	margin: 0 auto;
	font-size: 18px;
	color: #fff;
	line-height: 36px;
}
.Shengd_divb img{
	display: block;
	margin: 30px auto;
}
.Shengd_divb p{
	color: #f7ebab;
	text-align: center;
}