* {
	padding: 0;
	margin: 0;
	list-style: none;
	text-decoration: none;
}
body{
	overflow: hidden;
}
.bj {
	width: 100%;
	height: 100vh;
	position: fixed;
	background-color: #444444;
	z-index: 9999;
}

.bj-imgs {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.bj-imgs img {
	width: 80px;
	height: 80px;
	cursor: pointer;
}

.active {
	animation: mycolor 3s linear infinite;
}

@keyframes mycolor {
	0% {
		transform: scale(0.5);
	}

	25% {
		transform: scale(1);
	}

	50% {
		transform: scale(1.5);
	}

	75% {
		transform: scale(1);
	}

	100% {
		transform: scale(0.5);
	}
}



.centent::after {
	content: "";
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, .3);
	position: absolute;
	top: 0;
	left: 0;
	z-index: 0;
}

.centent .centent-warp {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 3;
}

.centent .centent-warp .dc {
	transform: scale(0);
	transition: 3s;
	opacity: 0;
}


.centent .centent-top {

	/*background-color: #ffffff;*/
	
	position: relative;
	z-index: 3;
	margin: 70px auto;
	transition: 0.6s;
	top: 0px;
	background-size: cover;
}

.centent .centent-top .video {
	height: 85%;
	width: 88%;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 3;
	object-fit: fill;

}


.centent .centent-center {
	width: 385px;
	margin: auto;
	line-height: 25px;
	color: #FFFFFF;
	position: relative;
	z-index: 3;
	transition: 0.6s;
}

.centent .centent-bottom {
	position: relative;
	z-index: 3;
	width: 100px;
	height: 38px;
	margin: 50px auto;
	background-color: Pink;
	border-radius: 20px;
	line-height: 38px;
	text-align: center;
	color: #FFFFFF;
	cursor: pointer;
	top: 0px;
	transition: 0.6s;
}
	

#container {
	position: relative;
	width: 100%;
	height: 100vh;
	background-color: black;
}

#fireworks {
	position: absolute;
	left: 50%;
	margin-left: -250px;
	bottom: 60%;
	margin-bottom: -180px;
	transform: scale(0);
	/* animation: fireworks 5s 3s; */
	transition: 4s;
	opacity: 0;
}

#firecracker {
	position: absolute;
	left: 50%;
	bottom: 0%;
	margin-left: -4px;
	transform: scale(1);
	bottom: 0%;
	transition: 4s;
}
#container .zi{
	position: relative;
	top: 50%;
	left: -55%;
	transform: translate(-50%,-50%);
	z-index: 0;
	
	
	
}
#container .zi2{
	position: absolute;
	top: 50%;
	left: -55%;
	transform: translate(-50%,-50%);
	z-index: 0;
	color: #FFFFFF;
	font-size: 25px;
	transition: 20s;
}

           a{
               color:white;
               text-decoration: none;
           }
 #div_btn_inner{ /*按钮部分内层，用于定位*/
           color:white;
           /*text-shadow:1px 1px 1px #000;            */
           width:500px;
           padding-left: 430px;
       }

       .div_btn {
           position: fixed;
           cursor: pointer;  
           width: 32px;
           height: 32px;
           border: 1.5px solid #fff;
           border-radius: 50%;
           font-size: 0.9em;
           line-height: 34px;
           text-align: center;
           z-index:999;
               top: 550px;
           right: 25px;
           background-color: rgba(0, 0, 0, 0.2);
       }