@charset "utf-8";
/* CSS Document */
* {
	margin: 0;
	padding: 0;
	margin: 0px 0px 0px 0px;
}
body {
	background-color: #000;
	overflow-x: hidden;
}
.bigcontainer {
	width: 100%;
}
.test {
	border: 1px solid red;
}
.fl {
	float: left;
}
.cl {
	clean: both;
}
.bl {
	display: block;
}
.ab {
	position: absolute;
}
.rl {
	position: relative;
}
video {
	position: absolute;
	left: 50%;
	margin-left: -2px;
	top: 0;
	transform: translate(-50%);
	object-fit: contain;
}
.page_01 {
	margin: 0 auto;
	width: 100%;
	overflow: hidden;
	position: relative;
	height: 1050px;
	background: url(../images/bg_01.jpg) no-repeat center;
}
.downcontainer1 {
	height: 996px;
	background: url(../images/bg_02.jpg) no-repeat center;
}
.downcontainer2 {
	height: 831px;
	background: url(../images/bg_03.jpg) no-repeat center;
}
.downcontainer3 {
	height: 853px;
	background: url(../images/bg_04.jpg) no-repeat center;
}
.downcontainer4 {
	height: 1010px;
	background: url(../images/bg_05.jpg) no-repeat center;
}
.downcontainer5 {
	height: 916px;
	background: url(../images/bg_06.jpg) no-repeat top;
}
#leftnav {
	position: fixed;
	right: 30px;
	top: 20%;
	width: 98px;
	height: 436px;
	background: url(../images/leftNav.png) no-repeat;
	z-index: 20;
}
#leftnav a {
	width: 98px;
	height: 97px;
	display: block;
	text-align: center;
	padding-right: 5px;
}
.gif {
	width: 1920px;
	text-align: center;
	margin: 0 auto;
}
.navs {
	width: 1200px;
	height: 70px;
	left: 50%;
	margin-left: -420px;
	top: 800px;
}
.nav1, .nav2, .nav3, .nav4 {
	width: 193px;
	height: 193px;
	margin-right: 50px;
}
 .nav1:hover, .nav2:hover，.nav3:hover，.nav4:hover {
cursor: pointer;
}
.nav1:hover, .nav2:hover, .nav3:hover, .nav4:hover {
	margin-top: -10px;
}
.nav1 {
	background: url(../images/btn1_1.png) no-repeat;
}
.nav1:hover {
	background: url(../images/btn1_2.png) no-repeat;
}
.nav2 {
	background: url(../images/btn2_1.png) no-repeat;
}
.nav2:hover {
	background: url(../images/btn2_2.png) no-repeat;
}
.nav3 {
	background: url(../images/btn3_1.png) no-repeat;
}
.nav3:hover {
	background: url(../images/btn3_2.png) no-repeat;
}
.nav4 {
	background: url(../images/btn4_1.png) no-repeat;
}
.nav4:hover {
	background: url(../images/btn4_2.png) no-repeat;
}
#weixin {
	display: none;
	position: fixed;
	top: 25%;
	left: 38%;
	z-index: 50;
	background: white;
}
#over {
	width: 100%;
	height: 100%;
	opacity: 0.5;/*设置背景色透明度,1为完全不透明,IE需要使用filter:alpha(opacity=80);*/
	filter: alpha(opacity=80);
	display: none;
	position: fixed;
	z-index: 40;
	background: silver fixed;
	background-size: cover;
}
/* 幻灯片所需CSS */
.erzq-sp {
	width: 1100px;
	left: 50%;
	margin-left: -570px;
	margin-top: 380px;
}
.erzq-sp .swiper-slide >img {
	height: 526px;
	box-shadow: 0px 0px 10px #000;
	border: #900 solid 3px;
}
.gz-sp {
	width: 1170px;
	left: 50%;
	margin-left: -590px;
	margin-top: 120px;
	height: 610px;
}
.gz-sp .swiper-slide >img {
	width: 574px;
	height: 602px;
}
.sz-sp {
	width: 620px;
	left: 50%;
	margin-left: -200px;
	margin-top: 50px;
	height: 600px;
}
.sz-sp .swiper-slide >img {
	box-shadow: 0px 0px 10px #000;
	border: #1f222d solid 3px;
}
.huanhua-sp {
	width: 1200px;
	left: 50%;
	margin-left: -557px;
	margin-top: 265px;
	height: 500px;
}
.swiper-container {
 --swiper-navigation-color: #ccb179;/* 单独设置按钮颜色 */
}
.huanhua-sp .swiper-button-prev {
	width: 22px;
	height: 44px;
	background: url(../images/curr_prev.png) no-repeat center center;
}
.huanhua-sp .swiper-button-next {
	width: 22px;
	height: 44px;
	background-size: auto;
	background-image: url(../images/curr_next.png);
}
.huanhua-sp .swiper-slide >img {
	width: 324px;
	height:434px;
	box-shadow: 0px 0px 10px #000;
	border: #1f222d solid 3px;
}
.zb-wrap {
	width: 820px;
	left: 50%;
	margin-left: -460px;
	margin-top: 0px;
}
.zb-wrap .swiper-slide >img {
	height: 585px;
	border: #900 solid 3px;
}
.zhuanshu-sp {
	width: 830px;
	left: 50%;
	margin-left: -457px;
	margin-top: 20px;
}
.zhuanshu-sp .swiper-slide >img {
	height: 800px;
	border: #900 solid 3px;
}
.teshu-sp {
	width: 933px;
	left: 50%;
	margin-left: -590px;
	margin-top: 100px;
}
.teshu-sp .swiper-slide >img {
	height: 685px;
}
.on {
	color: #cecece;
}
.bar {
	width: 100px;
	position: fixed;
	top: 102px;
	right: 30px;
	z-index: 1000;
}
.bar .nor {
	color: #fff;
	width: 100px;
	height: 70px;
	display: block;
	text-align: center;
	text-decoration: none;
	font: 14px/70px "微软雅黑";
	background: url(../images/op.png) center repeat;
	margin-bottom: 1px;
	outline: none;
}
.bar .nor:hover, .bar .cur {
	background: #610004;
}
.bar .home {
	font: 18px/70px "微软雅黑";
	outline: none;
}
.bar .home:hover {
	background: #610004;
}
.bar .top {
	width: 100px;
	height: 42px;
	display: block;
	text-align: center;
	background: url(../images/op.png) center repeat;
	outline: none;
}
.bar .top img {
	display: block;
	margin: 0 auto;
	padding-top: 11px;
}
.show {
	width: 1000px;
	margin: 0 auto;
}
.items {
	width: 1200px;
	left: 50%;
	margin-left: -539px;
	margin-top: 110px;
}
.items ul {
}
.items li, .itemshz li, .itemstz li {
	width: 40px;
	height: 180px;
	float: left;
	list-style: none;
	margin-right: 160px;
}
.itemcss {
	position: relative;
	width: 52px;
	height: 52px;
	margin: 0 auto;
}
.itemcss a, .itemcss span {
	display: none;
	text-decoration: none;
}
.items .itemcss span img {
	margin-top: -100px;
	border: #686160 solid 3px;
}
.itemstz .itemcss span img {
	margin-top: -100px;
	border: #6861600 solid 3px;
}
.itemshz .itemcss span img {
	margin-top: -100px;
	border: #686160 solid 3px;
}
.itemcss:hover {
	cursor: pointer;
}
.itemcss:hover a.now {
	cursor: pointer;
	position: absolute;
	top: 0;
	width: 100%;
	height: 100%;
	z-index: 100;
	left: 0;
	display: block;
}
.itemcss:hover span {
	display: block;
	position: absolute;
	bottom: 0;
	left: 0;
	color: #FFF;
	margin-left: 50px;
	z-index: 10;
	height: 36px;
	line-height: 36px;
	filter: alpha(opacity=90);
	-moz-opacity: 0.9;
	opacity: 0.9;
}
/*手风琴展示*/
.box {
	width: 1168px;
	height: 519px;
	background: red;
	margin: 0px auto;
}
.itembox {
	width: 119px;
	height: 519px;
	float: left;
}
.itembox:nth-child(1) {
	background: url(../show/feature-1.png) no-repeat 100% 100%;/*background-size: 100% 100%; 背景图尺寸 */


}
.itembox:nth-child(2) {
	background: url(../show/feature-2.png) no-repeat 100% 100%;
}

.itembox:nth-child(3) {
	background: url(../show/feature-3.png) no-repeat 100% 100%;
}

.itembox:nth-child(4) {
	background: url(../show/feature-4.png) no-repeat 100% 100%;
}

.itembox:nth-child(5) {
	background: url(../show/feature-5.png) no-repeat 100% 100%;
}

.big {
	width: 692px;
}
.big img {
	display: none;
	height: 519px;
}
.erzgz {
	width: 1200px;
	left: 50%;
	margin-left: -600px;
	margin-top: 1000px;
}
.erzgz >img {
	height: 526px;
	box-shadow: 0px 0px 10px #000;
	border: #900 solid 3px;
}


.wrapper{
  width:1500px;
  margin: 0 auto;
  padding-top:230px;
}

.cols{
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.col{
  width: 400px;
  margin:5px;
  cursor: pointer;
}

.container{
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
	-webkit-perspective: 1000px;
	        perspective: 1000px;
}

.front,
.back{

	background-position: center;
	text-align: center;
	min-height: 360px;
	height: auto;
	color: #fff;
}

.back{
    display: block;
    opacity: .6;
    background-color: #000;
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
	position: absolute;
    top: 0;
    left: 0;
    width: 100%;
	z-index:1;
}

.front:after{
	position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    content: '';
    display: block;
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;

}
.container:hover .front,
.container:hover .back{
    -webkit-transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    -o-transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1), -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
}



.inner{
    -webkit-transform: translateY(-50%) translateZ(60px) scale(0.94);
    transform: translateY(-50%) translateZ(60px) scale(0.94);
    top: 50%;
	color:#fff;
    position: absolute;
    left: 0;
    width: 100%;
    padding: 2rem;
    font-size: .7em;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    outline: 1px solid transparent;
    -webkit-perspective: inherit;
    perspective: inherit;
    z-index: 3;
}

.container .back{
    -webkit-transform: rotateY(180deg);
            transform: rotateY(180deg);
    -webkit-transform-style: preserve-3d;
            transform-style: preserve-3d;
}

.container .front{
    -webkit-transform: rotateY(0deg);
            transform: rotateY(0deg);
    -webkit-transform-style: preserve-3d;
            transform-style: preserve-3d;
}

.container:hover .back{
  -webkit-transform: rotateY(0deg);
          transform: rotateY(0deg);
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;

}

.container:hover .front{
  -webkit-transform: rotateY(-180deg);
          transform: rotateY(-180deg);
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}

.back .inner p{
  font-size:40px;
  margin-bottom:5px;
  position: relative;
  z-index: 3;
}

.back .inner span{
  font-family: 'Montserrat';
  font-size:20px;
  z-index: 3;
}