.main{width: 100%;margin: 0px auto;}
@media screen and (min-width: 768px){
	.banner{width: 100%;margin: 0px auto;background: url(../img/product/duoyuyan/banner.jpg) top center no-repeat;height: 450px;overflow: hidden;}
	.banner .m{width: 1150px;margin: 65px auto 0px;color: #fff;overflow: hidden;position: relative;}
	.banner .m h1{font-size: 31px;font-weight: normal;margin-top: -8px;}
	.banner .m h2{font-size: 52px;}
	.banner .m h2::after{width: 140px;height: 2px;background: #fff;content: "";position: absolute;left: 0px;top: 130px;}
	.banner .m h3{font-size: 24px;margin-top: 40px;font-weight: 500;}
	.banner .m p{font-size: 18px;margin-top: 10px;}
	.banner .m a{display:inline-block;width:156px;height:48px;line-height:46px;font-size:16px;border-radius:4px;text-align:center;border:2px solid #fff;color:#fff;margin:30px 20px 0px 0px}
	.banner .m .mbtn{color: #1a74f7;background: #fff;}
	.banner .m .mbtn2{color: #fff;background: inherit;}
	.title{text-align: center;padding: 0px;}
	.title h2{font-size: 36px;font-weight: bold;}
	.title p{font-size: 16px;color: #666;margin-top: 20px;}
	.m_1,.m_5,.m_7{width: 1200px;margin: 60px auto;}
	.m_1 .simg{width: 1200px;margin: 50px auto 0px;overflow: hidden;}
	.m_1 .simg img{width: 80%;}
	.alink{box-sizing: border-box;text-align: center;}
	.alink a{display: inline-block;}
	.alink a:first-of-type{margin-right: 60px;}
	.main .mbtn{width: 156px;height: 48px;line-height: 48px;background: linear-gradient(to right, #1a74f7, #409eff);border-radius: 4px;text-align: center;font-size: 16px;color: #fff;margin-top: 30px;}
	.main .mbtn2{background: linear-gradient(to right, #FB8732, #F6C418);}
	.main .mbtn:hover{opacity: 0.9;}
	.m_2,.m_4,.m_6{width: 100%;margin: 0px auto;padding: 60px 0px;background: #f5f8fb;}
	.m_2 ul{width: 1200px;margin: 30px auto 0px;overflow: hidden;}
	.m_2 ul li{display: block;width: 100%;margin: 0px auto;overflow: hidden;}
	.m_2 .mtxt{width: 500px;overflow: hidden;}
	.m_2 .mtxt dl{margin-top: 80px;}
	.m_2 .mtxt dl dt{font-size: 32px;}
	.m_2 .mtxt dl h3{font-size: 18px;font-weight: normal;color: #666;}
	.m_2 .mtxt dl dd{font-size: 16px;line-height: 22px;color: #666;margin-top: 10px}
	.m_2 .mtxt dl dd i{color: #59c239;-webkit-text-stroke-color: #f5f8fb;-webkit-text-stroke-width: 1px;margin-right: 5px;}
	.m_3{background: #409eff;width: 100%;margin: 0px auto;padding: 60px 0px;overflow: hidden;}
	.m_3 .title h2,.m_3 .title p{color: #fff;}
	.simg{width: 1200px;margin: 30px auto 0px;}
	.m_4 ul{width: 1200px;margin: 20px auto;overflow: hidden;}
	.m_4 ul li{width: 270px;background: #409eff;float: left;border-radius: 8px;margin-top: 20px;text-align: center;padding: 10px 0px 30px;margin-right: 40px;color: #fff;}
	.m_4 ul li:last-child{margin-right: 0px;}
	.m_4 ul li i{display: block;width: 100px;height: 100px;margin: 20px auto;background: #fff;border-radius: 50%;}
	.m_4 ul li i img{margin-top: 10px;}
	.m_4 ul li h3{font-size: 18px;margin-bottom: 10px;}
	.m_4 ul li p{font-size: 14px;line-height: 24px;padding: 0px 30px;height: 72px;}
	.m_5 ul{width: 1200px;margin: 10px auto 0px;overflow: hidden;}
	.m_5 ul li{width: 358px;margin: 20px 30px 20px 0px;border: 1px solid #eee;float: left;border-radius: 8px;padding: 40px 0px;text-align: center;box-shadow: 0px 0px 20px rgba(0,0,0,0.1);background: #fff;}
	.m_5 ul li:first-child{margin-left: 30px;}
	.m_5 ul li i{width: 88px;height: 88px;margin: 0px auto 20px;display: block;}
	.m_5 ul li h3{font-size: 16px;color: #333;margin-bottom: 20px;}
	.m_5 ul li p{font-size: 14px;color: #666;padding: 0px 30px;}
	.m_5 a{display: block;margin: 20px auto 0px;}
	.m_7 ul{width: 1200px;margin: 20px auto 0px;}
	.m_7 ul li{width: 300px;float: left;margin: 20px 20px 0px 0px;box-shadow: 0px 0px 10px rgba(0,0,0,0.1);border-radius: 8px;padding: 40px;background: #fff;}
	.m_7 ul li:nth-child(3n){margin-right: 0px;}
	.m_7 ul li i{width: 160px;height: 160px;display: block;margin: 0px auto 20px;}
	.m_7 ul li h3{font-size: 18px;color: #333;margin-bottom: 10px;}
	.m_7 ul li p{font-size: 14px;line-height: 24px;color: #666;}
	.m_zy{width: 100%;margin: 0px auto;padding: 60px 0px;background: linear-gradient(to right, #1a74f7, #409eff);text-align: center;box-sizing: border-box;}
	.m_zy .title h2,.m_zy .title p{color: #fff;}
	.m_zy .mbtn3{color: #409eff;background: #fff;}
	.m_zy .mbtn{display: inline-block;margin: 30px 30px 0px;}
}
@media screen and (max-width: 768px){
	.banner{width: 100%;margin: 0px auto;background: url(../img/product/duoyuyan/mbanner.jpg) top center no-repeat;overflow: hidden;padding: 0rem 0rem 3.6rem;height: 16rem; text-align: center;color: #fff;}
	.banner .m{width: 98%;margin: 0rem auto;}
	.banner .m h2{font-size: 1.5rem;position: relative;}
	.banner .m h2::after{width: 8rem;height: 1px;background: #fff;content: "";position: absolute;left: 29%;top: 2.8rem;}
	.banner .m h1{font-size: 1rem;line-height: 1.2rem;margin-top: 1.2rem;}
	.banner .m h3{font-size: 0.9rem;}
	.banner .m p{font-size: 0.8rem;margin-top: 0rem;}
	.banner .m a{display:inline-block;width:8rem;height:2rem;line-height:2rem;font-size:0.8rem;border-radius:4px;text-align:center;border:2px solid #fff;color:#fff;margin:1rem auto 0rem}
	.banner .m .mbtn{color: #1a74f7;background: #fff;}
	.banner .m .mbtn2{color: #fff;background: inherit;}
	.main .title{text-align: center;}
	.main .title h2{font-size: 1.2rem;line-height: 1.4rem;margin: 0px 0px 0.4rem 0px;}
	.main .title p{font-size: 0.8rem;color: #666;margin-top: 0.2rem;}
	.main .mbtn{width:8rem;height:2rem;line-height:2rem;font-size:0.8rem;border-radius:4px;text-align:center;background: linear-gradient(to right, #1a74f7, #409eff);color:#fff;margin:1rem auto 0rem;display: inline-block;}
	.main .mbtn2{background: linear-gradient(to right, #FB8732, #F6C418);}
	.main .mbtn:hover{opacity: 0.9;}
	.m_1,.m_3,.m_5,.m_7{width: 96%;margin: 2rem auto;}
	.m_2,.m_4,.m_6{width: 100%;margin: 0px auto;padding: 2rem 0px;background: #f5f8fb;}
	.m_1,.alink{box-sizing: border-box;text-align: center;}
	.alink a{display: inline-block;width: 7rem;}
	.alink a:first-of-type{margin-right: 1rem;}
	.m_2 ul{width: 96%;margin: 0.5rem auto 0px;overflow: hidden;}
	.m_2 ul li{display: block;width: 100%;margin: 0px auto;overflow: hidden;}
	.m_2 .mtxt{width: 100%;overflow: hidden;}
	.m_2 .mtxt dl{margin-top: 0.6rem;}
	.m_2 .mtxt dl dt{font-size: 1rem;}
	.m_2 .mtxt dl h3{font-size: 0.8rem;font-weight: normal;color: #666;}
	.m_2 .mtxt dl dd{font-size: 0.8rem;line-height: 22px;color: #666;margin-top: 0.5rem}
	.m_2 .mtxt dl dd i{color: #59c239;-webkit-text-stroke-color: #f5f8fb;-webkit-text-stroke-width: 1px;margin-right: 5px;}
	.m_3{background: #409eff;width: 100%;margin: 0px auto;padding: 60px 0px;overflow: hidden;}
	.m_3 .title h2,.m_3 .title p{color: #fff;}
	.m_4 ul{width: 96%;margin: 0rem auto;overflow: hidden;}
	.m_4 ul li{width: 42%;background: #409eff;border-radius: 8px;margin: 0.8rem 0rem 0rem;text-align: center;padding: 10px 10px 30px;color: #fff;float: left;}
	.m_4 ul li i{display: block;width: 5rem;height: 5rem;margin: 0.5rem auto;background: #fff;border-radius: 50%;}
	.m_4 ul li i img{width: 80%;margin-top: 10%;}
	.m_4 ul li h3{font-size: 0.9rem;margin-bottom: 0.5rem;}
	.m_4 ul li p{font-size: 0.7rem;line-height: 1rem;padding: 0px;}
	.m_4 ul li:nth-child(2n){float: right;}
	.m_5 ul{width: 100%;margin: 0rem auto;overflow: hidden;}
	.m_5 ul li{width: 80%;margin: 0.8rem auto;border: 1px solid #eee;border-radius: 8px;padding: 1rem 0px;text-align: center;box-shadow: 0px 0px 20px rgba(0,0,0,0.1);background: #fff;}
	.m_5 ul li i{width: 4rem;height: 4rem;margin: 0px auto 0.5rem;display: block;}
	.m_5 ul li i img{width: 100%;}
	.m_5 ul li h3{font-size: 0.8rem;color: #333;margin-bottom: 0.5rem;}
	.m_5 ul li p{font-size: 0.7rem;color: #666;padding: 0px 0.2rem;}
	.m_5 ul li a{width: 100px;margin-top: 0.8rem;}
	.simg,.mimg{width: 100%;margin: 0.6rem auto 0rem;}
	.simg img,.mimg img{width: 100%;}
	.m_7 ul{width: 96%;margin: 1rem auto 0rem;}
	.m_7 ul li{width: 49%;margin: 1rem auto 0rem;box-shadow: 0px 0px 10px rgba(0,0,0,0.1);border-radius: 0.4rem;background: #fff;padding: 0.6rem 0rem;float: left;}
	.m_7 ul li i{width: 4rem;height: 4rem;display: block;margin: 0rem auto 1rem;}
	.m_7 ul li i img{width: 100%;}
	.m_7 ul li h3{font-size: 0.8rem;color: #333;padding: 0px 0.5rem;}
	.m_7 ul li p{font-size: 0.7rem;line-height: 1rem;color: #666;padding: 0px 0.5rem;margin-top: 0.4rem;}
	.m_7 ul li:nth-child(2n){float: right;}
	.m_zy{width: 100%;margin: 0px auto;padding: 2rem 0px;background: linear-gradient(to right, #1a74f7, #409eff);text-align: center;box-sizing: border-box;}
	.m_zy .title h2,.m_zy .title p{color: #fff;}
	.m_zy .mbtn3{color: #409eff;background: #fff;}
}