body,html{background-color: #fff;}
.pagebanner{overflow: hidden;position: relative; width:100%}
.maintitle{ width:1200px; margin:auto; line-height:100px; font-size:30px; overflow:hidden}
.logo{ float:left; color:#004a29}
.logo img{ width:60px; height:50px; margin-top:20px}
.nav{ float:right; width:600px;}
.nav ul li{ float:left; width:20%; margin-right:20px; font-size:16px} 
.w1200{width: 1200px;height: auto;overflow:hidden;margin: 0 auto}
.footer{background-color: #000;color: #999;text-align: center;height: 50px;line-height: 50px;}
.box1,.box3{height: auto; box-sizing: border-box;padding: 40px 0}
.box-title{    line-height: 36px;
    font-size: 36px;
    color: #004a29;
    font-weight: bold;
    display: block;
    text-align: center;width: 100%;
    margin-bottom: 30px
}
.box-cont{width: 100%;color: #333;line-height: 39px;}
.box2{height: auto;min-height: 400px;box-sizing: border-box;padding: 40px 0;background-color: #f4f6f9}
.piclist{width: 1230px;height: auto;margin-bottom: 20px;}
.piclist li{width: 380px;height: auto;float: left;margin-right: 30px;box-sizing: border-box;text-align: center;}
.piclist li .picbox{width: 100%;height: 200px;overflow:hidden;}
.piclist li img{width: auto;height: auto;max-height: 100%;max-width: 100%;}
.piclist li h1{display: block;width: 100%;height: 40px;line-height: 40px;font-size: 16px;text-align: center;}
.piclist li span{display: block;width: 100%;height: auto;line-height: 24px}
.banner img{ max-width:100%}

 @media screen and (max-width:640px) {
 
 
 .maintitle{ width:100%; line-height:80px; font-size:20px;}

 .logo{ float:left; color:#004a29}
.logo img{ width:60px; height:50px; margin-top:20px}
.nav{ float:left;width:100%;}
.nav ul li{ float:left; width:16%; text-align:center; font-size:14px} 
.w1200{width: 100%;height: auto;overflow:hidden;margin: 0 auto}
.footer{background-color: #000;color: #999;text-align: center;height: 50px;line-height: 50px;}
.box1,.box3{height: auto;min-height:1rem;box-sizing: border-box;padding: 40px 0}
.box-title{    line-height: 36px;
    font-size:25px;
    color: #004a29;
    font-weight: bold;
    display: block;
    text-align: center;width: 100%;
    margin-bottom: 30px
}
.box-cont{width:90%;color: #333;line-height: 39px; margin:auto }
.box2{height: auto;min-height: 400px;box-sizing: border-box;padding: 40px 0;background-color: #f4f6f9}
.piclist{width: 100%;height: auto;margin-bottom: 20px;}
.piclist li{width:100%;height: auto;float: left;margin-right: 30px;box-sizing: border-box;text-align: center;}
.piclist li .picbox{width: 100%;height: 200px;overflow:hidden;}
.piclist li img{width: auto;height: auto;max-height: 100%;max-width: 100%;}
.piclist li h1{display: block;width: 100%;height: 40px;line-height: 40px;font-size: 16px;text-align: center;}
.piclist li span{display: block;width: 100%;height: auto;line-height: 24px}
.box3 img{ width:100%}
 
 }