*{margin: 0;padding: 0; }
html{}
.wrap{width:100%;}

.boxbg1{margin: 0 auto;width: 100%; height:160px; background:#f6f6f6;}
.box1{margin: 0 auto;width: 1000px;position: relative;}
.boxbg2{margin: 0 auto;width: 100%;background:#fff;}
.box2{margin: 0 auto;width: 1000px;position: relative;}
.boxbg3{margin: 0 auto;width: 100%;  background:#f6f6f6;}
.box3{margin: 0 auto;width: 1000px;position: relative;}
.boxbg4{margin: 0 auto;width: 100%;background:#fff;}
.box4{margin: 0 auto;width: 1000px;position: relative; background:none;}
.boxbg5{margin: 0 auto;width: 100%;background:#f6f6f6;}
.box5{margin: 0 auto;width: 1000px;position: relative;}
img{border: 0;vertical-align: top;}

.top{height: 734px;background: url('../images/banner.jpg') no-repeat top center #dfdede;width:100%; margin: auto;}
.top .divimg{margin:0 auto; width:1000px;height: 569px;}
.bottom{height:79px;background: url('../images/bottom.jpg') no-repeat center bottom;}
area{outline: none;}
.buy{width:66px;height:186px; position:fixed;right:30px;bottom:10px;cursor: pointer;}