.siver .box1{
	background: #F5F5F5;
	padding: 140px 0 178px;
	text-align: center;
}
.siver-en{
	font-size: 60px;
	font-family: Rany;
	font-weight: bold;
	color: #333333;
	line-height: 1.2;
}
.siver-en + .index-title{
	margin-top: 20px;
}
.siver .box1 .box-c{
	position: relative;
	margin-top: 54px;
}
.siver .box1 .box-c .swiper{
	overflow: visible;
}
.siver .box1 .box-c .swiper-slide{
	display: flex;
	justify-content: space-between;
}
.siver .box1 .box-c .swiper-slide .text-box{
	width: 50%;
	padding-right: 30px;
	text-align: left;
	padding-top: 95px;
}
.siver .box1 .box-c .swiper-slide .year{
	font-size: 80px;
	font-family: Rany;
	font-weight: 400;
	color: #333333;
	line-height: 1;
}
.siver .box1 .box-c .swiper-slide .year span{
	font-size: 18px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #333333;
	line-height: 1;
}
.siver .box1 .box-c .swiper-slide .text{
	font-size: 30px;
	font-family: Microsoft YaHei;
	font-weight: 300;
	color: #333333;
	line-height: 1.33;
	margin-top: 20px;
}
.siver .box1 .box-c .btns{
	position: absolute;
	left: 0;
	bottom: 0;
	display: flex;
	align-items: center;
	z-index: 3;
}
.siver .box1 .box-c .btns .btn{
	display: flex;
	align-items: center;
	justify-content: center;
	width: 60px;
	height: 60px;
	background: #F5F5F5;
	border: 1px solid #DEDEDE;
	border-radius: 50%;
	color: rgba(204, 204, 204, 1);
	transition: all .6s;
	cursor: pointer;
}
.siver .box1 .box-c .btns .btn:hover{
	color: rgba(51, 51, 51, 1);
}
.siver .box1 .box-c .btns .btn .iconfont{
	font-size: 20px;
	font-weight: bold;
}
.siver .box1 .box-c .btns .btn:not(:first-child){
	margin-left: 20px;
}
.siver .box1 .box-c .swiper-slide .pic{
	width: 50%;
}
.siver .box2{
	padding: 180px 0 90px;
}
.siver .box2 .box-t{
	display: flex;
	justify-content: space-between;
}
.siver .box2 .box-t-l{
	flex: 1;
	margin-right: 30px;
}
.siver .box2 .box-t-r img{
	display: block;
}
.siver .box2 .box-c{
	font-size: 18px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #333333;
	line-height: 2;
	margin-top: 65px;
}
.siver .box3{
	background-color: RGBA(245, 245, 245, 1);
	padding: 100px 0 60px;
	text-align: center;
}
.siver .box3 .text{
	font-size: 18px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #333333;
	line-height: 2;
	margin-top: 45px;
}
.siver .box4{
	background-image: url(../img/siver-box4-1.jpg);
	background-size: cover;
	text-align: center;
	padding: 172px 0 300px;
}
.siver .box4 .index-title{
	color: #fff;
}
.siver .box4 .title{
	font-size: 60px;
	font-family: Microsoft YaHei;
	font-weight: 300;
	color: #FFFFFF;
	line-height: 1.2;
	margin-top: 30px;
	letter-spacing: 12px;
}
@media (max-width:1440px) {
	.siver-en{
		font-size: 40px;
	}
	.siver .box1 .box-c .swiper-slide .year{
		font-size: 60px;
	}
	.siver .box1 .box-c .swiper-slide .text{
		font-size: 28px;
	}
	.siver .box4 .title{
		font-size: 50px;
	}
}
@media (max-width:1280px) {
	.siver .box4 .title{
		font-size: 40px;
	}
	.siver-en{
		font-size: 36px;
	}
	.siver .box1 .box-c .swiper-slide .year{
		font-size: 50px;
	}
	.siver .box1 .box-c .swiper-slide .text{
		font-size: 26px;
	}
	.siver .box1 .box-c .swiper-slide .text-box{
		padding-top: 50px;
	}
}
@media (max-width:1199px) {
	.siver .box4 .title{
		font-size: 30px;
	}
	.siver .box1 .box-c .swiper-slide .text{
		font-size: 24px;
	}
	.siver .box1 .box-c .swiper-slide .year{
		font-size: 40px;
	}
	.siver-en{
		font-size: 30px;
	}
	.siver .box4,
	.siver .box3,
	.siver .box2,
	.siver .box1{
		padding: 70px 0;
	}
	.siver-en + .index-title{
		margin-top: 10px;
	}
	.siver .box1 .box-c .btns .btn{
		width: 50px;
		height: 50px;
	}
	.siver .box1 .box-c{
		margin-top: 50px;
	}
	.siver .box2 .box-t-r img{
		width: 70px;
	}
	.siver .box2 .box-c{
		margin-top: 50px;
	}
	.siver .box4 .title{
		margin-top: 20px;
	}
}
@media (max-width:1024px) {
	.siver .box4 .title{
		font-size: 26px;
	}
	.siver .box2 .box-c{
		margin-top: 40px;
	}
	.siver .box2 .box-t-r img{
		width: 60px;
	}
	.siver .box1 .box-c{
		margin-top: 40px;
	}
	.siver .box1 .box-c .swiper-slide .text-box{
		padding-top: 25px;
	}
	.siver .box1 .box-c .swiper-slide .text{
		font-size: 22px;
	}
	.siver-en{
		font-size: 28px;
	}
	.siver .box4,
	.siver .box3,
	.siver .box2,
	.siver .box1{
		padding: 60px 0;
	}
	.siver .box1 .box-c .swiper-slide .year{
		font-size: 30px;
	}
	.siver .box3 .text{
		margin-top: 40px;
	}
}
@media (max-width: 768px) {
	.siver .box4 .title{
		margin-top: 10px;
	}
	.siver .box4 .title{
		font-size: 24px;
	}
	.siver .box2 .box-c{
		margin-top: 30px;
	}
	.siver .box2 .box-t-r img{
		width: 50px;
	}
	.siver .box1 .box-c{
		margin-top: 30px;
	}
	.siver .box1 .box-c .swiper-slide .text{
		margin-top: 10px;
	}
	.siver .box1 .box-c .btns .btn .iconfont{
		font-size: 18px;
	}
	.siver .box1 .box-c .btns .btn{
		width: 40px;
		height: 40px;
	}
	.siver .box1 .box-c .btns{
		position: relative;
		margin-top: 25px;
	}
	.siver .box1 .box-c .swiper-slide .text-box,
	.siver .box1 .box-c .swiper-slide .pic{
		width: 100%;
	}
	.siver .box1 .box-c .swiper-slide{
		flex-direction: column-reverse;
		width: 350px;
	}
	.siver .box1 .box-c .swiper-slide:not(:last-child){
		margin-right: 20px;
	}
	.siver .box1 .box-c .swiper-slide .text{
		font-size: 20px;
	}
	.siver-en{
		font-size: 26px;
	}
	.siver .box4,
	.siver .box3,
	.siver .box2,
	.siver .box1{
		padding: 50px 0;
	}
	.siver .box1 .box-c .swiper-slide .year{
		font-size: 26px;
	}
	.siver .box2 .box-c{
		font-size: 16px;
	}
	.siver .box3 .text{
		margin-top: 30px;
		font-size: 16px;
	}
}
@media (max-width: 500px) {
	.siver .box3 .text,
	.siver .box2 .box-c{
		margin-top: 15px;
		font-size: 14px;
	}
	.siver .box2 .box-t-r img{
		width: 40px;
	}
	.siver .box1 .box-c{
		margin-top: 25px;
	}
	.siver .box1 .box-c .swiper-slide{
		width: 100%;
	}
	.siver .box1 .box-c .swiper-slide .year span,
	.siver .box1 .box-c .swiper-slide .text{
		font-size: 16px;
	}
	.siver .box4 .title,
	.siver .box1 .box-c .swiper-slide .year{
		font-size: 22px;
	}
	.siver-en{
		font-size: 24px;
	}
	.siver .box4,
	.siver .box3,
	.siver .box2,
	.siver .box1{
		padding: 40px 0;
	}
}