h1,p{color:#fff}.banner-wrap{background:url(../images/banner.png) no-repeat;height:525px;background-size:cover;overflow:hidden}.banner-wrap .banner-box{height:380px;margin-top:100px;text-align:center}.banner-wrap .banner-box h1{font-size:34px;font-weight:400}.banner-wrap .banner-box p{font-size:18px;margin-top:25px}.banner-wrap .banner-box .first-box{padding:10px;position:relative;height:170px;text-align:center}.banner-wrap .banner-box .first-box img{margin:0 auto;transition:all .5s ease}.banner-wrap .banner-box .first-box img:hover{transform:rotateY(360deg)}.button{ float:none;margin:0 auto;display:block;width:145px;height:50px;line-height:45px;color:#fff;border-radius:5px;font-size:24px;border:2px solid rgba(255,255,255,.7);box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;position:relative;transition:.4s ease;-webkit-transition:.4s ease;-o-transition:.4s ease;-moz-transition:.4s ease}.button:hover{border:2px solid #fff;color:#fff;text-decoration:none}.button .line{position:absolute;display:block;background:0 0;transition:.4s ease;-webkit-transition:.4s ease;-o-transition:.4s ease;-moz-transition:.4s ease}.button:hover .line{background:#fff}.button .line-top{height:2px;width:0;left:-110%;top:-2px}.button:hover .line-top{width:96%;left:4px}.button .line-bottom{width:0;height:2px;right:-110px;bottom:-2px}.button:hover .line-bottom{width:96%;right:4px}.button .line-left{height:0;width:2px;left:-2px;bottom:-110%}.button:hover .line-left{bottom:1px;height:88%}.button .line-right{height:0;width:2px;right:-2px;top:-110%}.button:hover .line-right{top:1px;height:88%}.os-wrap{background-color:#f8f8f8;text-align:center;}.os-wrap .os-box{height:100%;padding:40px 10px;position:relative}.os-wrap .os-box h3{color:#424040;font-size:20px}.os-wrap .os-box p{color:#999;max-width:760px;margin:20px auto}.os-wrap .os-box img{position:absolute;left:50%;margin-left:-378px}.os-wrap .oc-box{position:relative}.os-wrap .oc-box img{margin-left:-320px}.friend-box{height:300px;background-color:#f8f8f8}.friend-box .friend{height:100%;padding:20px 10px;text-align:center}.friend-box .friend h3{color:#232323;font-size:20px}.friend-box .friend .row{margin:20px auto;padding:20px}.dropdown-menu-list p { width: 100%;line-height: 18px;color: #999;}