.g_startbox {
    width: 100vw;
    height: 100vh;
    display: block;
    position: relative;
    overflow: hidden;
}
.g_stabox {
    /*position: absolute;*/
    z-index: 50;
    /*left: 50%;*/
    top: 0%;
    width: 100%;
    height: 100%;
    display: block;
    /*transform: translate(-50%,0px);*/
    background: #fff;
}
.g_staimgtop {
    /*width: 1030px;*/
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    opacity: 0;
    animation: g_stara 5s ease both;
    -webkit-animation: g_stara 5s ease both;
    animation-delay: 1.4s;
    z-index: 100;
}
.g_staimgtom {
	
    width: 147px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    animation: g_starb 1.6s ease both;
    -webkit-animation: g_starb 1.6s ease both;
    animation-delay: 4.4s;
    z-index: 100;
}
.enter .g_staimgtop{
	animation: g_stara 0.01s ease both;
    -webkit-animation: g_stara 0.01s ease both;
    animation-delay: 0s;
}
.enter .g_staimgtom{
	animation: g_starb 0.01s ease both;
    -webkit-animation: g_starb 0.01s ease both;
    animation-delay: 0s;
}
.g_stabox img{
	width: 100%;
}
@keyframes g_stara{
	0% {
	    opacity: 0;
	    width: 1030px;
	}
	50% {
	    opacity: 1;
	    width: 1030px;
	    top: 50%;
	}
	100% {
	    width: 600px;
	    opacity: 1;
	    top: 65px;
	    transform: translate(-50%,0);
	}
}
@keyframes g_starb{
	0% {
	    width: 147px;
	}
	100% {
	    width: 80px;
	    top: 37px;
	    transform: translate(-50%,0);
	}
}
@keyframes page{
	0% {
	    top: -100%;
	}
	100% {
	    top: 0px;
	}
}
@keyframes page_next{
	0% {
	    top: 100%;
	}
	100% {
	    top: 0px;
	}
}



.delay_show{
	animation: show_index_other 2s ease both;
    -webkit-animation: show_index_other 2s ease both;
    animation-delay: 7s;
}
.enter .delay_show{
	animation: show_index_other 0.01s ease both;
    -webkit-animation: show_index_other 0.01s ease both;
    animation-delay: 0s;
}
.page:not(.active){
	/*z-index: 19;*/
	top:0px;
	background: #fff;
	width: 100%;
    
    display: none;
}
.page.active{
	/*z-index: 99;*/
	/*top:0%;*/
}
.page.pre{
	
}
.page.top{
	animation: page 3s ease both;
    -webkit-animation: page 3s ease both;
}
.page.bottom{
	animation: page_next 2s ease both;
    -webkit-animation: page_next 2s ease both;
}

/*轮播*/
#banner{
	width: 100%;
	height: 100vh;
    overflow: hidden;
}
#banner>.swiper-wrapper img{
	height: 100vh;
}
.swiper-btn-prev,.swiper-btn-next{
	
	position:absolute;
	
	bottom:100px;
	z-index:100;
	
	cursor: pointer;
}
.swiper-btn-prev{
	right:200px;
}
.swiper-btn-next{
	right:140px;
}
@keyframes show_index_other{
	0% {
	    opacity: 0;
	}
	100% {
	    opacity: 1;
	}
}
@keyframes hide_index_other{
	0% {
	    opacity: 1;
	}
	100% {
	    opacity: 0;
	}
}




/*产品列表*/
#product_list_box{
	width: 100%;
	/*height: 100vh;*/
	/*position: absolute;*/
	left: 0px;
	z-index: 45;
}
#product_list{
	display: flex;
	align-items: center;
}
.product_list_item{
	width: 25%;
	padding:200px 0px;
	transition: all 0.4s;
	text-align:center;
	/*height: 56vw;
	
	display: flex;
	display:webkit-flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;*/
}

.product_list_item a{
	background: center center url(../imgs/btn.png) no-repeat;
	background-size: 100% 100%;
	width: 155px;
	height: 44px;
	margin-top:56px;
	transition: margin-bottom 0.4s;
	display:inline-block;
}


.product_list_item img{
	height: 18vw;
}
.product_list_item .pro_btn{
	text-align: center;
	font-size: 14px;
    color: #013f47;
    line-height: 34px;
    padding-left: 20px;
    padding-right: 20px;
    display: inline-block;
    transform: translateY(1px);
    display: inline-block;
    margin-top: 56px;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid #E5E5E5;
    background: #fff;
    transition: all 0.4s;
}
.pro_btn_box img{
	height: 34px;
}
.product_list_item .pro_btn_box{
	
}
.product_list_item .pro_btn:before{
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%,-50%) scale(0);
	background: #013f47;
	width: 98px;
	height: 98px;
	line-height: 98px;
	transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
	content: '了解详情';
	color: #FFFFFF;
	font-size: 14px;
	display: block;
	border-radius: 50%;
	overflow: hidden;
}
.product_list_item:hover .pro_btn_box{
	/*background: #d0112b;*/
	color: #fff;
	margin-bottom: 100px;
}
.product_list_item:hover .pro_btn:before{
	transform: translate(-50%,-50%) scale(1);
}

.product_list_item p{
	color: #000;
	font-size: 16px;
	text-align: center;
	line-height: 4;
}
.product_list_item:hover p{
	color: #013f47;
}


.opacity{
	opacity: 0;
}
.active .opacity{
	animation-delay: 5s;
	animation: show_index_other 5s;
	opacity: 1;
}



/*底部*/
footer{
	background: #13413b;
}
#footer{
	z-index: 40;
	
}
footer>.text-center>p{
	line-height: 3;
}
.contact-box {
	position: absolute;
	bottom: 400px;
	background: #fff;
	width: 100%;
}
.contact-left {
	color: #717171;
	margin-top: 30px
}
.contact-left strong.company {
	font-size: 16px;
	color: #333;
	padding: 0 0 20px 4px;
	display: block
}
.contact-text {
	max-width: 100%;
	margin: 0 auto;
	transition: .3s;
	-moz-transition: .3s;
	-webkit-transition: .3s;
	-o-transition: .3s
}
.contact-text:hover {
	transform: translateX(5px);
	-moz-transform: translateX(5px);
	-ms-transform: translateX(5px);
	-o-transform: translateX(5px);
	-webkit-transform: translateX(5px);
	transition: .6s;
	-moz-transition: .6s;
	-webkit-transition: .6s;
	-o-transition: .6s
}
.contact-text img {
	max-width: 100%
}
.contact-text .fa {
	width: 24px;
	text-align: center
}
.title-box p {
	display: block;
	margin-bottom: 30px;
	color: #333;
	transition: .5s;
	-moz-transition: .5s;
	-webkit-transition: .5s;
	-o-transition: .5s;
	text-align: center;
}
.title-box h3 {
	font-size: 26px;
	transition: .5s;
	-moz-transition: .5s;
	-webkit-transition: .5s;
	-o-transition: .5s;
	text-align: center;
}
.title-box.black h3 {
	color: #000
}
.social-box {
	padding-top: 29px
}
.social-box a {
	display: inline-block;
	width: 35px;
	height: 35px;
	border-radius: 35px;
	background: #2e2f2f;
	color: #fff;
	text-align: center;
	line-height: 35px;
	font-size: 16px;
	margin: 0 10px 10px 0;
	cursor: pointer;
	transition: .5s;
	-moz-transition: .5s;
	-webkit-transition: .5s;
	-o-transition: .5s
}
.social-box a:hover {
	background: #444;
	transition: .5s;
	-moz-transition: .5s;
	-webkit-transition: .5s;
	-o-transition: .5s
}
#met-weixin-content {
	border: 5px solid #fff;
	position: absolute;
	border-radius: 10px;
	bottom: 70px;
	left: 50%;
	visibility: hidden;
	opacity: 0;
	transform: translateX(-50%);
	-moz-transform: translateX(-50%);
	-ms-transform: translateX(-50%);
	-o-transform: translateX(-50%);
	-webkit-transform: translateX(-50%);
	transition: .5s;
	-moz-transition: .5s;
	-ms-transition: .5s;
	-o-transition: .5s;
	-webkit-transition: .5s
}
#met-weixin:hover #met-weixin-content {
	visibility: visible;
	opacity: 1;
	transition: .5s;
	-moz-transition: .5s;
	-ms-transition: .5s;
	-o-transition: .5s;
	-webkit-transition: .5s;
	bottom: 50px
}
.container {
    max-width: 100%;
}
@media (min-width: 768px){
.container {
    width: 750px;
}}
@media (min-width: 992px){
.container {
    width: 970px;
}}
@media (min-width: 1200px){
.container {
    width: 1170px;
}}
@media (min-width: 1600px){
.container {
    width: 1310px;
}
}




.container {
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}
.text-center{
	text-align: center;
	padding-bottom: 10px;
}
.row{
	display: flex;
	justify-content: space-around;
	align-items: center;
	margin-top: 30px;
}
.row>div{
	
}



/*移动端*/
@media only screen and (min-width: 300px) and (max-width: 450px) {
	#nav{	    
    width: 100%;
    position: inherit;
    transform: translate(0px);
    background: url(../imgs/index/nav_bg.png) top no-repeat;
    background-size: 100%;
    padding-top: 27px;
	}
	.nav_item .nav_item_alide{
		padding: 8px;
	}
	.nav_item .nav_item_alide a{
		font-size: 12px;
		width: 175px;
	}
	#nav img{
		width:93%;
	}
	footer .footer_img{
		display: flex;
		display: -webkit-flex;
		justify-content: center;
		align-items: center;
		flex-wrap: wrap;
	}
	.footer_img img{
		width: 27%;
		padding: 13px 7%;
	}
	#copyright span,copyright a{
		display: block;
		text-align: center;
	}
}

/*pc*/
@media only screen and (min-width: 600px){
	.product_list_item:hover{
	 padding-top:100px;
	 padding-bottom:300px;
	 transition: all 0.4s;
	}
	.product_list_item:hover a{
	 background: center center url(../imgs/btn_active.png) no-repeat;
	 background-size: 100% 100%;
	 transition: all 0.4s;
	}
	.product_list_item:nth-of-type(even){
		background: #f5f5f5;
	}
}