.sd-page{width:1100px;height:100%;margin:0 auto;position:relative}.bbc-banner{width:100%;height:600px;background:url(../images/bbc/banner.jpg) no-repeat center top}.bbc-banner .order{width:258px;height:85px;position:absolute;top:395px;left:0}.products-step{height:85px;width:100%;background:#FFF}.products-step li{float:left;width:218px;position:relative;text-align:center;border-right:1px solid #DDD}.products-step li a{display:block;color:#666;font-size:16px;width:218px;height:85px;line-height:85px;background:#FFF}.products-step.fixed{position:fixed;top:0;z-index:999;height:60px;border-bottom:1px solid #eee}.products-step.fixed li a{height:60px;line-height:60px}.products-step li.on a,.products-step li.active a{color:#fff;background-color:#cd0202}.bbc .main1{height:919px;background:url(../images/bbc/main1.png) no-repeat center top}.bbc .main1 .main-title h3{font-size:30px;color:#fee50e;text-align:center;padding:45px 0 20px}.bbc .main1 .main-title p{color:#fee50e;font-size:20px;line-height:180%;text-align:center}.bbc .main2 .main-title h3{text-align:center;font-size:30px;color:#333;line-height:1;padding:80px 0 20px;border-bottom:1px solid #666}.bbc .main2 .main2-body{margin:60px 0 0;overflow:hidden}.bbc .main2 .main2-body li{float:left;width:330px;height:380px;margin:0 18px 36px;position:relative;background-repeat:no-repeat;background-position:right bottom}.bbc .main2 .main2-body li span{height:52px;width:80px;display:block;margin:30px auto 25px;background-repeat:no-repeat;background-position:center top}.bbc .main2 .main2-body li h3{font-size:20px;padding:0 25px;line-height:1.5;color:#fff;text-align:center}.bbc .main2 .main2-body li p{padding:0 25px;margin-top:15px;font-size:16px;color:#fff;line-height:24px}.main2-info1{background-color:#03a575;background-image:url(../images/bbc/liangdian_bg1.gif)}.main2-info2{background-color:#58bfe8;background-image:url(../images/bbc/liangdian_bg2.gif)}.main2-info3{background-color:#8182c2;background-image:url(../images/bbc/liangdian_bg3.gif)}.main2-info4{background-color:#a26ed8;background-image:url(../images/bbc/liangdian_bg4.gif)}.main2-info5{background-color:#b18316;background-image:url(../images/bbc/liangdian_bg5.gif)}.main2-info6{background-color:#038acc;background-image:url(../images/bbc/liangdian_bg6.gif)}.main2-info1 span{background-image:url(../images/bbc/liangdian_1.png)}.main2-info2 span{background-image:url(../images/bbc/liangdian_2.png)}.main2-info3 span{background-image:url(../images/bbc/liangdian_3.png)}.main2-info4 span{background-image:url(../images/bbc/liangdian_4.png)}.main2-info5 span{background-image:url(../images/bbc/liangdian_5.png)}.main2-info6 span{background-image:url(../images/bbc/liangdian_6.png)}.bbc .main3{height:710px;background:url(../images/bbc/main3_bg.png) no-repeat center top}.bbc .main3 .main-title h3{font-size:40px;color:#333;text-align:center;padding:80px 0 50px}.bbc .main3 .main3-body li{float:left;width:330px;height:380px;margin:0 18px 36px;background-color:#fff;position:relative;overflow:hidden}.bbc .main3 .main3-body li span{display:block;height:88px;margin:80px auto 15px;background-repeat:no-repeat;background-position:center top}.bbc .main3 .main3-body li h4{font-size:26px;padding:0 20px;margin:45px 0 28px;text-align:center;color:#333}.bbc .main3 .main3-body li p{padding:0 20px;font-size:18px;line-height:1.5;color:#666}.bbc .main3 .main3-body li .box-hover{width:100%;height:100%;position:absolute;top:0;left:0;background-color:#038acc;display:none}.bbc .main3 .main3-body li .box-hover h4,.bbc .main3 .main3-body li .box-hover p{color:#fff}.main3-info1 span{background-image:url(../images/bbc/ziyuan.png)}.main3-info2 span{background-image:url(../images/bbc/guocheng.png)}.main3-info3 span{background-image:url(../images/bbc/fuwubao.png)}.bbc .main4{background:url(../images/bbc/main4.jpg) no-repeat center top;height:710px}.bbc .main4 .main-title{color:#0777b8;font-size:30px;padding:90px 0 60px;text-align:center;font-weight:bold}.bbc .main4 .main4-box{width:205px;float:left;margin:0 35px}.bbc .main4 .main4-box .box-pic{text-align:center}.bbc .main4 .main4-box h3{text-align:center;font-size:24px;padding:30px 0;color:#333}.bbc .main4 .main4-box p{font-size:16px;line-height:24px;color:#585858}.bbc .main5 .main-title{position:relative;width:100%;height:40px;line-height:40px;margin:60px 0 30px;overflow:hidden}.bbc .main5 .main-title hr{width:100%;height:1px;background-color:#666;color:#666;position:absolute;top:10px;z-index:1}.bbc .main5 .main-title h3{width:100%;position:absolute;top:0;z-index:2;text-align:center}.bbc .main5 .main-title h3 span{font-size:30px;color:#666;padding:0 40px;background-color:#fff}.bbc .main5 .main5-body .kehu_logo{width:100%;height:auto;margin-top:60px;margin-bottom:20px;overflow:hidden}.bbc .main5 .main5-body .kehu_logo li{width:220px;height:100px;float:left;margin:0 22px 44px}.bbc .main5 .main5-body .kehu_logo li img{width:220px;height:100px}