body{font-family:微软雅黑}.fr{float:right!important}.fl{float:left!important}.header{height:576px;background:url(../images/h_1.jpg) center no-repeat}.section{box-sizing:border-box}.section .container{width:1000px;margin:auto}.sec1{height:728px;background:url(../images/1.jpg) center no-repeat}.sec1 .container ul{overflow:hidden}.sec1 .container ul li{width:158px;height:54px;float:left;margin-right:21px}.sec1 .container ul li a{display:block;width:100%;height:100%}.sec1 .container ul .yxgw{background:url('../images/other_sprites.png') -477px -768px}.sec1 .container ul .yxgw:hover{background:url('../images/other_sprites.png') -299px -768px}.sec1 .container ul .yxxz{background:url('../images/other_sprites.png') -833px -768px}.sec1 .container ul .yxxz:hover{background:url('../images/other_sprites.png') -1011px -768px}.sec1 .container ul .yxlb{background:url('../images/other_sprites.png') -655px -768px}.sec1 .container ul .yxlb:hover{background:url('../images/other_sprites.png') -280px -886px}.sec1 .container .video-box{overflow:hidden;margin-top:342px;margin-left:114px}.sec1 .container .video-box .video{width:454px;height:255px;position:relative}.sec1 .container .video-box .video img{width:446px;height:238px;margin-left:5px;margin-top:8px}.sec1 .container .video-box .video .video-cov{width:446px;height:238px;position:absolute;left:5px;top:8px;background:rgba(0,0,0,0.7)}.sec1 .container .video-box .video .video-frame{width:100%;height:100%;position:absolute;left:0;top:0;background:url('../images/other_sprites.png') -10px -493px}.sec1 .container .video-box .video .play{width:98px;height:98px;display:block;background:url('../images/other_sprites.png') -1090px -365px;left:50%;top:50%;margin-left:-49px;margin-top:-49px;position:absolute}.sec1 .container .video-box .sec2-p{width:400px;font-size:18px;color:#fff;margin-right:20px;line-height:30px}.sec2{height:810px;padding-top:208px;background:url(../images/2.jpg) center no-repeat}.sec2 .fl{font-size:15px;color:#c0e0d7;line-height:20px;margin-top:105px;margin-left:25px;width:300px}.sec2 .fl>span{display:block}.sec2 .fl p{text-align:justify}.sec2 .fl p span{display:block}.sec2 .fr{font-size:15px;color:#f8d9d9;line-height:20px;margin-top:120px;margin-right:14px;width:296px}.sec2 .fr>span{display:block}.sec2 .fr p{text-align:justify}.sec2 .fr p span{display:block}.sec3{height:759px;padding-top:100px;background:url(../images/3.jpg) center no-repeat}.sec3 .container .tab-show{overflow:hidden;height:470px}.sec3 .container .tab-show .tabs{display:none}.sec3 .container .tab-show .fl{width:488px;text-align:center;vertical-align:middle}.sec3 .container .tab-show .fl img{vertical-align:middle}.sec3 .container .tab-show .fr{width:512px}.sec3 .container .tab-show .fr .tab-video{margin-top:55px;width:120px;height:60px;display:block}.sec3 .container .tab-show .fr .tab-p{color:#fff}.sec3 .container .tab-show .fr .tab-p h3{font-size:30px;font-weight:bold;margin-bottom:18px}.sec3 .container .tab-show .fr .tab-p p{display:block;width:440px;font-size:16px;text-align:justify;line-height:30px}.sec3 .container .tab-show .tabs1{display:block}.sec3 .container .tabs1 .tab-video{background:url('../images/css_sprites.png') -430px -618px}.sec3 .container .tabs1 .tab-tit{width:304px;height:107px;margin:20px 0 0;margin-left:-9px;background:url('../images/other_sprites.png') -809px -616px}.sec3 .container .tabs2 .tab-video{background:url('../images/css_sprites.png') -155px -466px}.sec3 .container .tabs2 .tab-tit{width:326px;height:107px;margin:20px 0 0;margin-left:-30px;background:url('../images/other_sprites.png') -744px -365px}.sec3 .container .tabs3 .tab-video{background:url('../images/css_sprites.png') -295px -466px}.sec3 .container .tabs3 .tab-tit{width:361px;height:83px;margin:16px 0;margin-left:-9px;background:url('../images/other_sprites.png') -836px -493px}.sec3 .container .tabs4 .tab-video{background:url('../images/css_sprites.png') -435px -466px}.sec3 .container .tabs4 .tab-tit{width:235px;height:103px;margin:20px 0 0;margin-left:-15px;background:url('../images/other_sprites.png') -10px -1007px}.sec3 .container .tabs5 .tab-video{background:url('../images/css_sprites.png') -575px -466px}.sec3 .container .tabs5 .tab-tit{width:269px;height:98px;margin:20px 0 0;margin-left:-60px;background:url('../images/other_sprites.png') -10px -768px}.sec3 .container .tabs6 .tab-video{background:url('../images/css_sprites.png') -10px -618px}.sec3 .container .tabs6 .tab-tit{width:332px;height:103px;margin:20px 0 0;margin-left:-22px;background:url('../images/other_sprites.png') -484px -493px}.sec3 .container .tabs7 .tab-video{background:url('../images/css_sprites.png') -150px -618px}.sec3 .container .tabs7 .tab-tit{width:250px;height:101px;margin:20px 0 0;margin-left:-9px;background:url('../images/other_sprites.png') -10px -886px}.sec3 .container .tabs8 .tab-video{background:url('../images/css_sprites.png') -290px -618px}.sec3 .container .tabs8 .tab-tit{width:305px;height:107px;margin:20px 0 0;margin-left:-9px;background:url('../images/other_sprites.png') -484px -616px}.sec3 .container .tab-ctrl li{width:125px;height:132px;float:left;position:relative}.sec3 .container .tab-ctrl li i{display:block;width:100%;height:11px;position:absolute;top:-7px;left:0}.sec3 .container .tab-ctrl .j1{background:url('../images/css_sprites.png') -10px -314px}.sec3 .container .tab-ctrl .j1.on{background:url('../images/css_sprites.png') -300px -10px}.sec3 .container .tab-ctrl .j1.on i{background:url('../images/css_sprites.png') -155px -546px}.sec3 .container .tab-ctrl .j1 i{background:none}.sec3 .container .tab-ctrl .j2{background:url('../images/css_sprites.png') -10px -162px}.sec3 .container .tab-ctrl .j2.on{background:url('../images/css_sprites.png') -155px -162px}.sec3 .container .tab-ctrl .j2.on i{background:url('../images/css_sprites.png') -300px -546px}.sec3 .container .tab-ctrl .j2 i{background:none}.sec3 .container .tab-ctrl .j3{background:url('../images/css_sprites.png') -300px -162px}.sec3 .container .tab-ctrl .j3.on{background:url('../images/css_sprites.png') -445px -10px}.sec3 .container .tab-ctrl .j3.on i{background:url('../images/css_sprites.png') -445px -546px}.sec3 .container .tab-ctrl .j3 i{background:none}.sec3 .container .tab-ctrl .j4{background:url('../images/css_sprites.png') -445px -162px}.sec3 .container .tab-ctrl .j4.on{background:url('../images/css_sprites.png') -10px -10px}.sec3 .container .tab-ctrl .j4.on i{background:url('../images/css_sprites.png') -590px -546px}.sec3 .container .tab-ctrl .j4 i{background:none}.sec3 .container .tab-ctrl .j5{background:url('../images/css_sprites.png') -155px -10px}.sec3 .container .tab-ctrl .j5.on{background:url('../images/css_sprites.png') -155px -314px}.sec3 .container .tab-ctrl .j5.on i{background:url('../images/css_sprites.png') -155px -577px}.sec3 .container .tab-ctrl .j5 i{background:none}.sec3 .container .tab-ctrl .j6{background:url('../images/css_sprites.png') -300px -314px}.sec3 .container .tab-ctrl .j6.on{background:url('../images/css_sprites.png') -445px -314px}.sec3 .container .tab-ctrl .j6.on i{background:url('../images/css_sprites.png') -300px -577px}.sec3 .container .tab-ctrl .j6 i{background:none}.sec3 .container .tab-ctrl .j7{background:url('../images/css_sprites.png') -590px -10px}.sec3 .container .tab-ctrl .j7.on{background:url('../images/css_sprites.png') -590px -162px}.sec3 .container .tab-ctrl .j7.on i{background:url('../images/css_sprites.png') -445px -577px}.sec3 .container .tab-ctrl .j7 i{background:none}.sec3 .container .tab-ctrl .j8{background:url('../images/css_sprites.png') -590px -314px}.sec3 .container .tab-ctrl .j8.on{background:url('../images/css_sprites.png') -10px -466px}.sec3 .container .tab-ctrl .j8.on i{background:url('../images/css_sprites.png') -590px -577px}.sec3 .container .tab-ctrl .j8 i{background:none}.sec4{height:627px;background:url(../images/4.jpg) center no-repeat}.sec4 .roundabout-main{position:relative;top:117px;margin:0 auto;width:1000px;z-index:98}.sec4 .roundabout-main .roundabout{width:714px;height:463px;cursor:pointer;margin:0 auto}.sec4 .roundabout-main .roundabout li{width:100%;height:100%;position:relative}.sec4 .roundabout-main .roundabout li a{display:block;width:100%;height:100%;padding:12px 6px;overflow:hidden;box-sizing:border-box}.sec4 .roundabout-main .roundabout li .frame{width:100%;height:100%;position:absolute;left:0;top:0;background:url('../images/sec4_frame.png');background-size:100% 100%}.sec4 .roundabout-main .roundabout li img{display:block;width:100%;height:100%;box-sizing:border-box;border:2px solid #f6e0b6}.mask{width:100%;height:100%;position:fixed;z-index:99999;left:0;top:0;background:rgba(0,0,0,0.7)}.mask .mask-box{width:496px;height:335px;position:absolute;left:50%;top:50%;margin-left:-248px;margin-top:-167px;background:url('../images/other_sprites.png') -744px -10px}.mask .mask-box .alert-video{width:450px;height:300px;margin:20px 22px}.mask .mask-box .alert-video iframe{width:100%;height:100%;border:none}.mask .mask-box .close{width:20px;height:20px;position:absolute;top:0;right:-30px;background:url('../images/other_sprites.png') -1208px -365px;transition:all 1s ease}.mask .mask-box .close:hover{transform:rotate(180deg)}.bottom_toolbar{margin-top:0!important}