.about_wrapper h3 {padding: 60px 0 80px;font-size: 36px;height: 36px;line-height: 36px;color: #333}
.about_wrapper p {width: 980px;margin: 0 auto 35px;line-height: 2;font-size: 16px;color: #666}
.banner {width: 100%;height: 260px;color: #fff;background: url(../img/index/banner.jpg) no-repeat center}
.banner h1 {padding: 80px 0 28px;height: 48px;line-height: 48px;font-size: 48px}
.banner h1 span {padding-left: 30px}
.banner h2 {font-size: 30px;line-height: 30px;height: 30px}
.summary {height:953px;background: url(../img/index/summary.jpg) no-repeat bottom center}
.backdrop {height:983px;background: url(../img/index/backdrop.jpg) no-repeat center}
.backdrop p {width:832px;margin: 0 auto 73px}
.strength {height:985px}
.Influence {height:820px}
.Influence img {margin:0 30px 30px 0}
.Influence img.last{margin-right: 0}
.culture {height:1066px;background-color:#f5f5f5}