.banner {display: block; min-width: 1200px; height: 737px; background: url(../images/banner5.jpg) no-repeat center;}

.advantage {display: block; min-width: 1200px; height: 1283px; background: url(../images/advantage.jpg) no-repeat center;}
.application {display: block; min-width: 1200px; height: 1000px; background: url(../images/application.jpg) no-repeat center;}
.reason {display: block; min-width: 1200px; height: 1000px; background: url(../images/reason.jpg) no-repeat center;}
.profit {display: block; min-width: 1200px; height: 680px; background: url(../images/profit.jpg) no-repeat center;}
.flow {display: block; min-width: 1200px; height: 960px; background: url(../images/flow.jpg) no-repeat center;}
.case {display: block; min-width: 1200px; height: 820px; background: url(../images/case.jpg) no-repeat center;}
.footer {display: block; min-width: 1200px; height: 476px; background: url(../images/footer.jpg) no-repeat center; position: relative;}