.header{width: 100%;position: relative;}
.header img.main{width: 100%;}
.header .text{
	width: 620px;
	height: 180px;
	color: #fff;
	position: absolute;
	top: 20%;left: 15%;
}
.header .text h3{font-size: 40px;font-weight: bolder;}
.header .text h4{font-size: 34px;margin-top: 20px;font-weight: bolder;}
.header .text p{font-size: 22px;line-height: 30px;margin-top: 30px;}

.button{width: 100%;margin-top: 80px;}
.button .main{width: 1200px;margin: 0 auto;}
.button .main h3{font-size: 34px;text-align: center;font-weight: bolder;}
.button .main p.desc{font-size: 20px;text-align: center;margin-top: 15px;}
.button .main ul{display: flex;justify-content: space-between;margin-top: 40px;}
.button .main ul li{width: calc(50% - 15px);position: relative;}
.button .main ul li img{width: 100%;border-radius: 20px;}
.button .main ul li .word{position: absolute;width: 80%;bottom: 20px;left: 10%;color: #fff;}
.button .main ul li .word strong{font-size: 22px;}
.button .main ul li .word p{font-size: 20px;line-height: 28px;}
.button .main .top{margin-top: 30px;position: relative;}
.button .main .top img{width: 100%;border-radius: 20px;}
.button .main .top .word{position: absolute;width: 40%;top: 20px;left: 5%;color: #fff;}
.button .main .top .word strong{font-size: 22px;width: 50%;}
.button .main .top .word p{font-size: 20px;line-height: 28px;}

.lamp{margin-top: 80px;position: relative;}
.lamp img.main{width: 100%;display: block;}
.lamp .text{width: 640px;height: 300px;position: absolute;left: 18.75%;top: 16.85%;}
.lamp .text h3{font-size: 34px;font-weight: bolder;}
.lamp .text h4{font-size: 28px;font-weight: normal;margin-top: 15px;}
.lamp .text p{font-size: 20px;margin-top: 15px;line-height: 32px;}

.four{width: 100%;}
.four ul{display: flex;}
.four ul li{width: 50%;}
.four ul li.tt{display: flex;align-items: center;}
.four ul li img{width: 100%;display: block;}
.four ul li .text{padding: 0 80px;display: flex;align-items: center;flex-wrap: wrap;}
.four ul li .rr,.four ul li .rr h4{text-align: right;display: block;width: 100%;}

.four ul li .text h4{font-size: 30px;font-weight: bold;}
.four ul li .text p{font-size: 20px;line-height: 32px;margin-top: 10px;}

@media (max-width:1661px){
	.lamp .text{top: 14%;}
}
@media (max-width: 1441px){
	.lamp .text{top: 8%;width: 550px;}
	.lamp .text p{margin-top: 8px;line-height: 28px;}
	.lamp .text h4{margin-top: 10px;}
}
@media (max-width: 1281px){
	.header .text{width: 500px;height: 220px;left: 8%;top: 15%;}
	.header .text p{margin-top: 15px;}
	.button .main{width: 1000px;}
	.lamp .text{width: 520px;top: 6%;left: 12.75%;}
	.lamp .text p{line-height: 24px;}
}