.introduce-content{width:100%}.introduce-content h3{font-size:36px;text-align:center}.introduce-content h6{font-size:18px;text-align:center}.introduce-content .section1{width:100%;height:513px;background:url(/static/module/class/content/img/128/section1-bg.png) no-repeat center center}.introduce-content .section1 .wrap{width:1200px;margin:0 auto;height:100%;position:relative}.introduce-content .section1 .wrap:before{height:224px;width:221px;display:block;content:'Hadoop';font-size:28px;font-weight:700;background:url(/static/module/class/content/img/128/section1-1.png) no-repeat top center;position:absolute;left:105px;top:171px;padding-top:180px;box-sizing:border-box;text-align:center}.introduce-content .section1 .wrap .wrap-box{width:705px;height:542px;border-radius:8px;background:#fff;box-shadow:0 15px 29px 0 rgba(230,233,250,.77);position:absolute;left:35%;top:51px;padding-top:65px;box-sizing:border-box}.introduce-content .section1 .wrap .wrap-box h6{margin-top:5px;margin-bottom:35px}.introduce-content .section1 .wrap .wrap-box dl{line-height:27px;text-align:center}.introduce-content .section1 .wrap .wrap-box dl dt{margin-bottom:8px;color:#8540f7;font-size:16px;font-weight:700}.introduce-content .section1 .wrap .wrap-box dl dd{margin-bottom:25px}.introduce-content .section2{height:579px;width:100%}.introduce-content .section2 .wrap-box{height:100%;width:995px;margin:0 auto;padding-top:145px;box-sizing:border-box;text-align:center}.introduce-content .section2 .wrap-box p{line-height:30px;margin-top:5px;font-size:16px}.introduce-content .section2 .wrap-box .box{margin-top:54px;font-size:16px;float:left;height:185px;padding-top:8px}.introduce-content .section2 .wrap-box .box h6{color:#8540f7;margin-bottom:30px;font-weight:700}.introduce-content .section2 .wrap-box .box dl{width:155px;float:left}.introduce-content .section2 .wrap-box .box dl dt{width:90px;height:60px;margin:0 auto 20px;background:url(/static/module/class/content/img/128/sprite.png)}.introduce-content .section2 .wrap-box .box dl .item1{background-position:10px 0}.introduce-content .section2 .wrap-box .box dl .item2{background-position:-95px 5px}.introduce-content .section2 .wrap-box .box dl .item3{margin-top:-5px;background-position:-186px 0}.introduce-content .section2 .wrap-box .box dl .item4{background-position:-274px 0}.introduce-content .section2 .wrap-box .box dl .item5{background-position:-375px 0}.introduce-content .section2 .wrap-box .b1{width:310px;margin-left:100px}.introduce-content .section2 .wrap-box .b2{width:485px;margin-left:35px;padding-left:20px;border-left:1px solid #e6e9fa}.introduce-content .section3{height:381px;width:100%;background:url(/static/module/class/content/img/128/section3-bg.png) no-repeat center center}.introduce-content .section3 .wrap{width:1200px;height:100%;margin:0 auto;position:relative}.introduce-content .section3 .wrap:before{height:273px;width:363px;content:'';display:block;position:absolute;left:765px;top:47px;background:url(/static/module/class/content/img/128/section3-1.png)}.introduce-content .section3 .wrap .wrap-box{height:100%;width:595px;text-align:left;position:absolute;left:140px;padding-top:65px;box-sizing:border-box}.introduce-content .section3 .wrap .wrap-box ul{margin-top:40px;font-size:16px;list-style-image:url(/static/module/class/content/img/128/list.png)}.introduce-content .section3 .wrap .wrap-box ul li{line-height:35px;padding-left:10px}.introduce-content .section4{height:372px;width:100%;background:#8540f7}.introduce-content .section4 .wrap-box{width:900px;height:100%;margin:0 auto;padding-top:65px;box-sizing:border-box;color:#fff}.introduce-content .section4 .wrap-box .box{padding-left:50px;box-sizing:border-box;width:50%;text-align:left;margin-top:30px;float:left;border-right:1px solid #fff}.introduce-content .section4 .wrap-box .box .img{height:45px;width:50px;margin-top:13px;margin-right:25px;float:left;background:url(/static/module/class/content/img/128/sprite.png)}.introduce-content .section4 .wrap-box .box .m1{background-position:-510px 0}.introduce-content .section4 .wrap-box .box .m2{background-position:-578px 0}.introduce-content .section4 .wrap-box .box .m3{background-position:-643px 0}.introduce-content .section4 .wrap-box .box dl{float:left;overflow:hidden}.introduce-content .section4 .wrap-box .box dl dt{font-size:24px;font-weight:700}.introduce-content .section4 .wrap-box .box dl dt p{font-size:14px;font-weight:400}.introduce-content .section4 .wrap-box .box dl dd{font-size:14px;line-height:25px;margin-top:20px}.introduce-content .section4 .wrap-box .box:last-child{border:0}.introduce-content .section5{height:360px;width:100%;background:#f3f5f7}.introduce-content .section5 .wrap-box{height:100%;width:1056px;margin:0 auto;padding-top:60px;box-sizing:border-box}.introduce-content .section5 .wrap-box .top-box{text-align:center}.introduce-content .section5 .wrap-box .top-box h3{font-size:36px;padding-bottom:10px;color:#8540f7}.introduce-content .section5 .wrap-box .top-box h6{font-size:16px;padding-top:20px;padding-bottom:5px;font-weight:700}.introduce-content .section5 .wrap-box .top-box p{line-height:28px;font-size:14px}.introduce-content .section5 .wrap-box .top-box p a{color:#007eff;text-decoration:underline}@media only screen and (min-width:768px) and (max-width:1024px) and (orientation:landscape){.wrap-box{width:90%!important}.section1 .wrap{width:1024px!important}.section1 .wrap:before{left:26px!important}.section1 .wrap .wrap-box{left:264px!important;width:70%!important}.section2 .wrap-box{width:94%!important}.section2 .wrap-box .b1{margin-left:30px!important}.section3 .wrap{width:1024px!important}.section3 .wrap:before{left:635px!important}.section3 .wrap .wrap-box{width:565px!important;left:100px!important}.section5 .wrap-box{width:1000px!important}.section5 .wrap-box .bottom-box{width:900px!important}.section5 .wrap-box .bottom-box .left{margin-left:34px!important;margin-right:50px!important}}