.main{
	/* width: 100%; */
	max-width: 1920px;
	/* height: calc(100% - 147px); */
	margin: 0 auto;
	padding-top: 17vh;
	background-color: #000;
	overflow: hidden;
}
.banner{
	width: 100%;
	/* height:531px; */
/* 	background-image: url('../img/banner.gif');
	background-size:100% 100%;
	background-repeat: no-repeat; */
	/* background-color: red; */
	/* height: 531px; */
	/* height: 49vh; */
	height: 100%;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
}
@keyframes fadeIn {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.fadein {
	animation: fadeIn 3s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
@keyframes fadeIn1 {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.fadein1 {
	animation: fadeIn1 6s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
@keyframes fadeIn2 {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.fadein2 {
	animation: fadeIn2 9s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
@keyframes fadeIn3 {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.fadein3 {
	animation: fadeIn3 12s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
@keyframes fadeIn4 {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.fadein4 {
	animation: fadeIn4 15s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
@keyframes fadeIn5 {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.fadein5 {
	animation: fadeIn5 18s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
.banner_text{
	position: absolute;
	/* height: 60%; */
	display: flex;
	flex-direction: column;
	justify-content: space-evenly;
	align-items: center;
	color: #fff;
}
.bd1{
	width: 100%;
	height:900px;
	/* height: 83vh; */
	background-image: url('../img/bd1_bg.png');
	background-repeat: no-repeat;
	background-size: 100% 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	/* background-color: #000; */
	/* padding: 4% 0; */
}
.anli{
	max-width: 1200px;
	/* margin: 0 auto; */
	display: flex;
	flex-direction: row;
	align-items: center;
	
}
.anli_text{
	background-color: #fff;
	/* padding: 20px 0; */
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	margin-top: -5px;
	height: 75px;
	font-size: 14px;
}
.anli_detail{
	width: 200px;
	height: 305px;
	margin:0 0 4% 3%;
	cursor: pointer;
	position: relative;
	overflow: hidden;
	text-decoration: none;
	color: #000;
	font-size: 14px;
}
.anli_detail_bg{
	display: flex;
	flex-direction: column;
	align-items: center;
	/* justify-content: space-evenly; */
	background-color: #FE0000;
	color: #fff;
	font-size: 22px;
	width: 100%;
	height: 100%;
	opacity: 0;
	position: absolute;
	bottom: 0; /* 底部定位为负数 */
	

}
.anli_detail:hover .anli_detail_bg{
	opacity: 0.9;
	top: 0;
	left: 0;
	transition: all 1s ease;	
	animation: slide-up 1s ease-in-out forwards;
	transform: translateY(200px); /* 向上移动元素 */	
}
.anli_detail:hover .red_text{
	animation: fadeIn1 3s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}

@keyframes slide-up {
  from {
    transform: translateY(200px);
  }
  to {
    transform: translateY(0);
  }
}
.anli_detail img{
	width: 100%;
	height: 230px;
}
.anli_xq{
	width: 80%;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
}
.anli_list{
	width:20%;
	display: flex;
	flex-direction: column;
	align-items: center;
	
}
.anli_bg{
	width: 130px;
	height: 185px;
	background-image: url('../img/anli_lujing.png');
	background-size: 100% 100%;
	background-repeat: no-repeat;
	margin-bottom: 150px;
	position: relative;
	color: #fff;
}
/* .anli_tt{
	color: #fff;
	margin-bottom: 5px;
} */
.anli_content{
	width: 200px;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	align-items: center;
	justify-content: flex-start;
}
.anli_menu{
	width: calc(200px / 3);
	font-size: 10px;
	margin-bottom: 10px;
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: space-evenly;
}
.anli_content span{
	width: 90%;
	text-align: center;
	display: block;
	/* width: 70%; */
	cursor: pointer;
	border-bottom: 1px solid #fff;
	font-size: 10px;
	/* margin: 0 5px; */
	color: #fff;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.anli_content span:hover{
	color: #FE0000;
	border-bottom: 1px solid #FE0000;
}
.anli_content b{
	color: #fff;
	font-weight: normal;
}
.anli_menu_active{
	color: #FE0000!important;
	border-bottom: 1px solid #FE0000!important;
}
.bd2{
	width: 100%;
	/* height: 1548px; */
	/* height: 162vh; */
	height: 100%;
	/* background-image: url('../img/bd2_bg.png');
	background-size: 100% 100%;
	background-repeat: no-repeat; */
	position: relative;
	margin: -1px 0 -1px 0;
	opacity: 0;
	transform: translateY(500px);
}
.bd5_img{
	opacity: 0;
	transform: translateY(500px);
}
.animate {
	opacity: 1!important;
	transform: translateY(0)!important;
	transition: all 1s ease-in-out!important;
}
.showTest2 {
	opacity: 0;
}
.showTest3 {
	opacity: 0;
}
.showTest4{
	opacity: 0;
}
@keyframes bd2 {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.bd2show {
	animation: bd2 5s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
@keyframes bd2_bg {
	0%   { opacity: 0; } /* 初始状态 */
	100% { opacity: 1; } /* 结束状态 */
}

.bd2show1 {
	animation: bd2_bg 5s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
@keyframes bd2_text {
	0%   { opacity: 0; } /* 初始状态 */
	50%  { opacity: 0.5;}
	100% { opacity: 1; } /* 结束状态 */
}

.bd2show2 {
	animation: bd2_text 5s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}
.bd2_test{
	max-width: 1200px;
	height: 100%;
	margin: 0 auto;
	display: flex;
	flex-direction: row;
	align-items: flex-start;
	justify-content: center;
	position: absolute;
	top: 0;
	left: 22%;
	 /* transform: translate(-22%, 0); */
}

@media screen and (max-width: 1550px) {
  .bd2_test {
   left: 12%;
  }
}

@media screen and (max-width: 1300px) {
  .bd2_test {
   left: 7%;
  }
}

.bd2_left{
	width: 624px;
	height: 658px;
	background-color: #000;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: flex-start;
	position: relative;
}
.bd2_right{
/* 	width: 40%;
	height: 45%; */
	color: #fff;
	font-weight: bold;
	font-size: 129px;
	display: flex;
	flex-direction: column;
	justify-content: space-evenly;
	padding-left: 40px;
}
.tuandui{
	width: 100%;
	height: 58%;
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: space-between;
	color: #fff;
}
.tuandui1,.tuandui2{
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: column;
	line-height: 22px;
	padding: 0 50px;
}
.btn{
	width: 199px;
	height: 78px;
	line-height: 78px;
	background-color: #FE0000;
	text-align: center;
	font-size: 30px;
	font-weight: bold;
	/* padding: 20px 0; */
	position: absolute;
	bottom: 0;
	left: 8%;
}
.bd3{
	width: 100%;
	background-color: #000;
}
.our{
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}
.our_number{
	width: 100%;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	margin-top: -2px;
}
.our_list{
	width: calc(100% / 3);
	position: relative;
	cursor: pointer;
	overflow: hidden;
}
.our_list img{
	width: 100%;
	margin-bottom: -4px;
}
.our_test{
	position: absolute;
	bottom: 30px;
	left: 40px;
	color: #fff;
}
.number_mask{
	position: absolute;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: #FE0000;
	width: 100%;
	height: 100%;
	color: #fff;
	font-size: 1em;
	opacity: 0;
	bottom:0;
	letter-spacing: 2px;
	line-height: 2em;
	
}
.our_list:hover .number_mask{
	opacity: 0.8;
	top: 0;
	left: 0;
	transition: all 1s ease;	
	animation: slide-up1 1s ease-in-out forwards;
	transform: translateY(600px); /* 向上移动元素 */	
}
@keyframes slide-up1 {
  from {
    transform: translateY(600px);
  }
  to {
    transform: translateY(0);
  }
}

.our_test p {
	font-size: 22px;
}
.bd4{
	width: 100%;
	/* height: 928px; */
	/* height: 97vh; */
	height: 100%;
/* 	background-image: url('../img/bd4_bg.png');
	background-size: 100% 100%;
	background-repeat: no-repeat; */
/* 	display: flex;
	align-items: center;
	justify-content: center; */
	margin: -1px 0 -1px 0;
	opacity: 0;
	transform: translateY(500px);
	position: relative;
}
.bd4_c{
	/* max-width: 1200px; */
	width: 100%;
	height: 100%;
	/* margin: 0 auto; */
	color: #fff;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: space-evenly;
	position: absolute;
	top:0;
	left:0;
}
/* @media screen and (max-width: 1300px) {
  .bd4_c {
   left: 5%;
  }
} */

.bd4_top{
	width: 60%;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
}
@media screen and (max-width: 1300px) {
  .bd4_top {
   width: 80%;
  }
}
.bd5{
	width: 100%;
	height: 700px;
	background-color: #000;
	padding-bottom: 60px;
}
.bd5_c{
	max-width: 1200px;
	height: 100%;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: space-evenly;
	position: relative;
	color: #fff;
}
.bd6{
	width: 100%;
	/* height: 1272px; */
	/* height: 133vh; */
	height: 100%;
	background-image: url('../img/bd6_bg.png');
	background-size: 100% 100%;
	background-repeat: no-repeat;
	margin: -1px 0 -1px 0;
	opacity: 0;
	transform: translateY(500px);
	position: relative;
}
.bd6_c{
	max-width: 1200px;
	
	/* margin: 0 auto; */
	height: 100%;
	color: #fff;
/* 	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: space-evenly; */
	position: absolute;
	left: 20%;
	top: 0;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: space-evenly;
}
.qianming{
	position: absolute;
	bottom: 6%;
	right: 0;
	text-align: center;
}
.bd7{
	width: 100%;
	/* height: 720px; */
/* 	background-image: url('../img/bd7_bg.png');
	background-size: 100% 100%;
	background-repeat: no-repeat; */
	margin: -2px 0 -1px 0;
}
.bd8{
	width: 100%;
	height: 570px;
	background-color: #FE0000;
	color: #fff;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: space-evenly;
}
.our_list:hover .red_text{
	animation: fadeIn1 3s ease forwards; /* 应用动画并指定持续时间、速度曲线等参数 */
}