*{margin:0;padding:0;list-style-type:none;}

nav {
  
 /* position: -webkit-sticky;
 position: sticky;*/
  /* sticky or fixed are fine */
  position:fixed;z-index:9999; 
  top: 0;
  height: 96px;
  width: 100%;
  background: linear-gradient(to bottom, #000, #0003 70%,#0000);/* background when scroll is in the top */
  transition: background .5s; /* control how smooth the background changes */
  color: #000000;
}

nav.scrolled {background: #ac0000;}
main {height: 1vh;}
	
	/*Styling Buttons*/
.login-button{
    background-color: transparent;
    border: 1.5px solid #f2f5f7;
    border-radius: 2em;
    padding: 0.4rem 0.5rem;
    margin-left: 1vw;
    /*font-size: 1rem;
    cursor: pointer;*/

}
.login-button:hover {
    /*color: #131418;
    background-color: #f2f5f7;
    border:1.5px solid #f2f5f7;*/
    transition: all ease-in-out 350ms;
}
.join-button{
    background-color: transparent;
   border: 1.5px solid #f2f5f7;
    border-radius: 2em;
    padding: 0.4rem 0.5rem;
    font-size: 1rem;
    cursor: pointer;
}
.join-button:hover {
    color: #f2f5f7;
    background-color: transparent;
    border:1.5px solid #f2f5f7;
    transition: all ease-in-out 350ms;
	
}


.container{max-width:1140px;margin:0 auto; margin-bottom:60px;}

.c-nav .show{
	display: inline-block;
}
.c-nav .hiden{
	display: none;
}
/* 导航栏 */
.c-nav{
	width: 100%;
	/*background-color: black;*/
}

.c-nav .navFlex{
	display: flex;
	display: -webkit-flex;
	justify-content:space-between;
	-webkit-justify-content: space-between;
	align-items: center;
	-webkit-align-content: center;
	color: #000000;
}
.c-nav ul{
	list-style: none;
	margin-bottom: 0px;
	padding-left: 0px;
	color: #000000;
}
.c-nav ul li{
	padding: 30px 0px 30px 0px;
	margin-left: 30px;
	display: inline-block;
}
.c-nav ul li a{
	/*color: white;*/
	color: rgba(255, 255, 255, 1);
	padding-bottom: 28px;
	text-decoration: none;
	border-bottom: 2px solid transparent;
	position: relative;
	transition: color .3s ease;
}

.c-nav ul li a::after {
  --scale: 0;
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height:3px;
  background: linear-gradient(to right, rgba(255,255,255,0.2), rgba(255,255,255,1), rgba(255,255,255,0.2));
  -webkit-transform: scaleX(var(--scale));
          transform: scaleX(var(--scale));
  -webkit-transform-origin: var(--x) 50%;
          transform-origin: var(--x) 50%;
  transition: -webkit-transform 0.3s cubic-bezier(0.535, 0.05, 0.355, 1);
  transition: transform 0.3s cubic-bezier(0.535, 0.05, 0.355, 1);
  transition: transform 0.3s cubic-bezier(0.535, 0.05, 0.355, 1), -webkit-transform 0.3s cubic-bezier(0.535, 0.05, 0.355, 1);
}

.c-nav ul li a:hover{
	color: #ffffff;
	font-weight: 600;
	
}

.c-nav ul li a:hover::after {
  --scale: 1;
}
.c-nav .logo{
	height:46px;
}
.c-nav .btnImg{
	height: 20px;
	width: 25px;
	padding: 3px 8px 3px 8px;
	box-sizing: content-box;
	border: 1px solid transparent;
}
@media screen and (max-width:1200px){
	.c-nav ul li{
		margin-left: 20px;
	}
}
@media screen and (max-width:992px){
	.c-nav ul li{
		margin-left: 10px;
	}
}
@media screen and (max-width:768px){
	.c-nav ul li:nth-child(4),.c-nav ul li:nth-child(5){
		display: none;
	}
}
@media screen and (max-width:576px){
	.c-nav{
		background-color:rgba(176,204,243,0.8);
		padding: 10px 0px 10px 0px;
		opacity: 0.9;
	}
	.c-nav .navFlex{
		flex-wrap:wrap;
		font-size: 20px;
		justify-content: space-between;
	}
	.c-nav .logo{
		height: 30px;
	}
	.c-nav ul li{
		padding-top: 10px;
		margin-left: 0px;
		display: block;
		color: #000000;
	}
	.c-nav ul li a{
		border-bottom: 3px solid transparent;
	}
	.c-nav ul a:hover{
		border-bottom: 3px solid #e4c17e;
	}
	.c-nav ul li:nth-child(4),.c-nav ul li:nth-child(5){
		display: block;
	}
	.c-nav .hiden{
		display: block;
	}
	.c-nav .show{
		width: 100%;
		font-size: 14px;
		text-align: center;
		display: none;
	}
}

/*banner*/
	.banner {
		width: 100%;
		height: 800px;
		font-size: 0;
		overflow: hidden;
		position: relative;
	}
	
	.banner_img {
		width: 100%;
		height: 800px;
		position: absolute;
		left: 0;
		top: 0;
	}
	
	.banner_img li {
		width: 100%;
		height: 800px;
		display: inline-block;
		background-position: center;
		background-repeat: no-repeat;
		float: left;
		list-style: none;
	}
	
	.banner_list {
		height: 50px;
		top: 700px;
		position: relative;
		margin: 0 auto;
		z-index: 1;
	}
	
	.banner_list span {
		display: block;
		cursor: pointer;
		width: 14px;
		height: 14px;
		border-radius: 50%;
		border: 3px solid #555;
		float: left;
		margin: 0 5px;
	}
	
	.banner_list .spcss {
		border: 3px solid yellowgreen;
	}
	
	.banner_left {
		position: absolute;
		height: 90px;
		width: 60px;
		top: 50%;
		left: -60px;
		background-color: rgba(73,72,62, 0.6);
		margin-top: -45px;
		text-align: center;
		transition: all .5s;
		z-index: 2;
	}
	
	.banner_left:hover {
		background-color: rgba(73,72,62, 0.9);
	}
	
	.banner_right {
		position: absolute;
		height: 90px;
		width: 60px;
		top: 50%;
		right: -60px;
		background-color: rgba(73,72,62, 0.6);
		margin-top: -45px;
		text-align: center;
		transition: all .5s;
		z-index: 2;
	}
	
	.banner_right:hover {
		background-color: rgba(73,72,62, 0.9);
	}
	
	.banner_left img {
		margin-top: 22px;
	}
	
	.banner_right img {
		margin-top: 22px;
	}
	
/*foot*/
.foot{ width: 100%; margin:0 auto; position:relative; background:#111111; border-bottom:2px #d42a1d solid;}
	.foot-f1{ max-width:1260px;margin:0 auto; position:relative; padding:30px 50px;}
	
	.footf1{ padding-bottom:50px; margin:0; }
	.footf1 h3{color:#ffffff; font-weight:550;font-size:24px; padding:0;}
	.footf1 p{color:#828080; font-weight:500;font-size:14px; line-height:28px;}
	
	.footf2{ padding-bottom:20px; margin:0;}
	.footf2 h4{color:#ffffff; font-weight:500;font-size:20px; padding:0;}
	
	.footf2 p{color:#828080; font-weight:400;font-size:14px; line-height:28px;}
    .footf2a{color:#828080; font-weight:400;font-size:14px; line-height:28px;}
	
	.footf3{color:#ffffff; font-weight:500;font-size:14px; padding-left:30px; line-height:50px;}
	.foot-f2{ max-width:100%;margin:0 auto; position:relative; padding:15px 0; background:#ffffff; text-align:center;}
	
	/*abuot*/
		.ht-about{ margin:0 auto; position:relative; max-width:1920px; height:100%;}
	.ht-about1{
	/*background: url(../images/sy-about1.jpg) no-repeat;*/padding: 60px 80px 80px 150px;}
	.ht-about1 h2{ color: #ffffff; font-size:48px; font-weight: 550; line-height:100px; }
	.ht-about1 p{ color: #ffffff; font-size:16px; font-weight: 400; line-height: 36px; }
    .about{width:100%; margin:0; padding: 0;}
.about-sy{max-width:960px; padding:0 50px}
.about-sy .a1{float:left; padding-left: 50px; }
.about-sy .a1 img{border: 0;}
.about-sy .a2 {float:right;margin: 0;padding: 0; width:60%;}
.about-sy .a2 img{border: 0;}
.about-sy .a2 h2{ color:#ffffff; font-size:30px; font-weight: 550; line-height:50px;}
.about-sy .a2 p{ color:#ffffff; font-size:14px; line-height:26px;font-family: 'PingFangSC-SC', "Microsoft YaHei", Tahoma, sans-serif;}
		/* 官网 */	
    .aboutab-M{ padding-top: 20px; margin: 0;}
    .aboutab-M a{
    display: inline-block;
    width: 158px;
    height: 48px;
    background-color:rgba(172,0,0,0.5);
    color: #ffffff;
    font-size: 15px;
	font-weight: 500;
    line-height: 48px;
    cursor: pointer;
    margin-top: 10px;
	text-align: center;
	border-radius:2px;
	letter-spacing:2px;
		background-image: url(../images/a-nav3.png);
		background-repeat: no-repeat;
		background-position: 20px left;
		padding-left: 48px;
		 
	/*background: url(../images/a-nav3.png) no-repeat;
		padding-left: 58px;
		height: 48px;*/
	
	border:1px #ffffff solid;
}

    .aboutab-M a:hover{
    background-color: #ac0000;
	color: #ffffff;
    /*-webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;*/
	border-radius:2px;
	border:1px #ac0000 solid;
}




    .aboutab-btn{ padding-top: 20px; margin: 0;}
    .aboutab-btn a{
    display: inline-block;
    width: 136px;
    height: 48px;
    background-color:rgba(172,0,0,0.5);
    color: #ffffff;
    font-size: 15px;
	font-weight: 500;
    line-height: 48px;
    cursor: pointer;
    margin-top: 10px;
	text-align: center;
	border-radius:2px;
	letter-spacing:2px;
	/*background-image: url(../images/a-nav3.png);
		background-repeat: no-repeat;
		background-position: 20px left;
		padding-left: 48px;*/
	
	border:1px #ffffff solid;
}

    .aboutab-btn a:hover{
    background-color: #ac0000;
	color: #ffffff;
    /*-webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;*/
	border-radius:2px;
	border:1px #ac0000 solid;
}

.aboutab-btn .aboutab-btn-02{background-color: #313131;color: #ffffff; border-radius:2px; }
.aboutab-btn .aboutab-btn-02:hover{
    
	background-color:rgba(255,255,255,0.5);
	color: #ffffff;
    /*-webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;*/
	border-radius:2px;
	
}

.aboutab-btn .aboutab-btn-03{background-color: #e6b3b3;color: #333333; border-radius:2px; }
.aboutab-btn .aboutab-btn-03:hover{background-color: #ffffff;color: #333333; border-radius:2px;}

	
	.show-demo{padding: 0;}
		.show-box{
		    overflow: hidden;
		    position: relative;
		}
		.show-box:before{
		    content: "";
		    display: block;
		    border: 10px solid rgba(255, 255, 255, 0.3);
		    position: absolute;
		    top: 5px;
		    left: 5px;
		    bottom: 5px;
		    right: 5px;
		    opacity: 1;
		    z-index: 2;
		    transition: all 1s ease 0s;
		}
		.show-box:hover:before{ border: 1px solid rgba(255, 255, 255, 0.18); }
		.show-box:after{
		    content: "";
		    display: block;
		    /*border: 8px solid rgba(255, 255, 255, 0.8); ;
		    position: absolute;
		    top: 35px;
		    left: 35px;
		    bottom: 35px;
		    right: 35px;*/
		    opacity: 1;
		    z-index: 1;
		    transition: all 0.3s ease 0s;
		}
		.show-box:hover:after{top:0;left: 0;bottom: 0;right: 0;opacity: 0;}
		.show-box img{
		    width: 100%;
		    height: auto;
		    transform: scale(1.1);
		    transition: all 1s ease 0s;
		}
		.show-box:hover img{ transform: scale(1); }
		/*.box .box-content{
		    padding: 20px;
		    text-align: center;
		    color: #fff;
		    position: absolute;
		    top: 45px;
		    left: 45px;
		    bottom: 45px;
		    right: 45px;
		    opacity: 1;
		    z-index: 2;
		    transition: all 0.3s ease 0s;
		}
		.box:hover .box-content{
		    top: 6px;
		    left: 6px;
		    bottom: 6px;
		    right: 6px;
		}
		.box .box-inner-content{
		    width: 100%;
		    padding-bottom: 20px;
		    opacity: 0;
		    position: absolute;
		    bottom: 0;
		    left: 0;
		    transition: all 0.3s ease 0s;
		}
		.box:hover .box-inner-content{ opacity: 1; }
		.box .title{
		    font-size: 26px;
		    font-weight: bold;
		    margin: 0;
		}
		.box .post{
		    display: block;
		    font-size: 16px;
		    font-style: italic;
		    margin-bottom: 10px;
		}
		.box .icon{
		    padding: 0;
		    margin: 0;
		    list-style: none;
		}
		.box .icon li{ display: inline-block; }
		.box .icon li a{
		    display: block;
		    width: 40px;
		    height: 40px;
		    line-height: 40px;
		    border-radius: 50%;
		    background: #fff;
		    margin-right: 10px;
		    font-size: 18px;
		    color: #000;
		    transition: all 0.3s ease 0s;
		}
		.box .icon li a:hover{
		    background: #000;
		    color: #fff;
		}
		@media only screen and (max-width:990px){
		    .box{ margin-bottom: 30px; }
		}*/
	
	.show{ margin:0 auto; position:relative; max-width:1920px; height:100%;}
	.show-n{ max-width:1260px;margin:0 auto; position:relative;padding-bottom:40px;}
	.show-n h3{font-size:36px; color:#333333; font-weight:550; margin-top:80px; }
	.show-n p{color:#828282; font-weight:500;font-size:16px; margin-bottom:40px;}