.wlimit{margin:0 auto;width:75pc}.clear{clear:both;width:100%;height:1px}.index-banner{width:100%;background:#fff}#banner{position:relative;height:320px}#banner .jiaobiao{position:absolute;right:-7px;bottom:0;z-index:3;width:237px;height:91px;background:url(../images/jiaobiao.png) no-repeat center}#banner .hd{position:absolute;right:0;bottom:10px;left:0;z-index:10;text-align:center}#banner .hd ul li{display:inline-block;margin:3px;width:38px;height:9px;-webkit-border-radius:2px;border-radius:2px;background:#fff;color:hsla(0,0%,100%,.5);text-align:center;font-size:16px;line-height:30px;opacity:.4;cursor:pointer}#banner .hd ul li.current,.hd ul li:hover{background:#fff;-webkit-box-shadow:0 0 2px;box-shadow:0 0 2px;color:#fff;opacity:1;behavior:url(ie-css3.htc)}#banner .bd ul li{position:absolute;top:0;right:0;left:0;overflow:hidden;width:100%;height:100%;-webkit-border-radius:4px;border-radius:4px}#banner .bd ul li a{display:block}#banner .bd ul li a,#banner .bd ul li img{width:100%;height:100%}#banner .b-btn{position:absolute;top:50%;left:50%;z-index:2;display:block;margin-top:-30px;width:60px;height:60px;text-indent:-50px;opacity:0}#banner .b-btn:hover{opacity:.9}#banner .prevBtn{margin-left:-600px;background:url(../images/index.png) -155px -546px #000 no-repeat}#banner .nextBtn{margin-left:540px;background:url(../images/index.png) -150px -593px #000 no-repeat}#banner:hover .b-btn{opacity:.5}#banner .b-btn:hover{opacity:.8}.topic{position:relative;width:100%;height:266px;background:#fff;text-align:center}.txtScroll-left{position:relative;overflow:hidden}.txtScroll-left .bds{overflow:hidden;margin-right:-20px;padding-top:20px;height:184px}.txtScroll-left .bds ul{display:block;zoom:1}.txtScroll-left .bds ul li{float:left;margin-right:13px;margin-bottom:10px;width:290px;height:184px;-webkit-border-radius:4px;border-radius:4px}.txtScroll-left .bds ul li img{width:100%;height:100%;-webkit-border-radius:4px;border-radius:4px}.topic ul a img:hover{opacity:.8}.hds .prev{display:block;display:none;margin-left:-27px;background:url(../images/index.png) -161px -554px #f60 no-repeat}.hds .next,.hds .prev{position:absolute;top:50%;z-index:2;margin-top:-49px;width:45px;height:45px;border:3px solid #fff;-webkit-border-radius:45px;border-radius:45px;cursor:pointer}.hds .next{right:121px;left:50%;display:none;margin-left:571px;background:url(../images/index.png) -158px -599px #f60 no-repeat}.topic:hover .next,.topic:hover .prev{display:block}.topic .topica{display:inline-block;height:60px;color:#666;font-size:16px;line-height:66px}.topic .topica:hover{color:#6589e4}.topic .topica i{display:inline-block;margin-left:10px;vertical-align:-2px;font-weight:700;font-style:unset;font-size:19px;font-family:SimSun}.topic .topica:hover i{margin-left:13px}.topic .topic2 .recomment{display:inline-block;margin-right:10px;width:287px;height:316px}.topic .topic2 .mr0{margin-right:0}.topic .topic2 .img{width:100%;height:216px;cursor:pointer}.topic .topic2 .img:hover{opacity:.9}.topic .topic2 span{display:block;height:100px;color:#4a4a4a;font-size:18px;line-height:80px}.good-ppt{width:100%;background:#fff}.mores{display:inline-block;text-align:center;margin-top:26px;margin-bottom:61px;width:193px;height:45px;-webkit-border-radius:45px;border-radius:45px;background:#f60;color:#fff;font-size:16px;line-height:45px;cursor:pointer}.mores:hover{background:#f97345;color:#fff}.mores i{display:inline-block;margin-left:4px;font-weight:700;font-style:unset;font-family:SimSun}.topic-title{height:110px;color:#484747;text-align:left;line-height:110px}.topic-title .jptitle{display:inline-block;color:#333;letter-spacing:2px;font-weight:400;font-size:30px}.topic-title .jptitle .ppt{background:url(../images/index.png) -157px -228px no-repeat}.topic-title .jptitle .ppt,.topic-title .jptitle .yuansu{display:inline-block;width:87px;height:63px;vertical-align:-23px}.topic-title .jptitle .yuansu{background:url(../images/index.png) -157px -31px no-repeat}.topic-title .jptitle .bjing{background:url(../images/index.png?v=1) -157px -93px no-repeat}.topic-title .jptitle .ad,.topic-title .jptitle .bjing{display:inline-block;width:87px;height:63px;vertical-align:-23px}.topic-title .jptitle .ad{background:url(../images/index.png) -157px -162px no-repeat}.topic-title .jptitle .word{background:url(../images/index.png) -157px -287px no-repeat}.topic-title .jptitle .video,.topic-title .jptitle .word{display:inline-block;width:87px;height:63px;vertical-align:-23px}.topic-title .jptitle .video{background:url(../images/index.png) -157px -414px no-repeat}.topic-title .jptitle .excel{background:url(../images/index.png) -157px -352px no-repeat}.topic-title .jptitle .excel,.topic-title .jptitle .music{display:inline-block;width:87px;height:63px;vertical-align:-23px}.topic-title .jptitle .music{background:url(../images/index.png) -157px -479px no-repeat}.topic-title ul{float:right}.topic-title ul,.topic-title ul li{display:inline-block}.topic-title ul li em{display:inline-block;margin-left:5px;font-weight:700;font-size:14px;font-family:SimSun}.topic-title ul li a{display:inline-block;margin-right:11px;padding:0 10px;height:35px;-webkit-border-radius:4px;border-radius:4px;background:#f2f2f2;color:#646464;font-size:13px;line-height:35px}.topic-title ul li a:hover{background:#f60;color:#fff}.box-new-hot{margin-bottom:20px;text-align:left}.box-tab{display:inline-block;width:100%;border-bottom:1px solid #e5e5e5;font-size:14px;line-height:40px}.box-tab li{float:left;display:block;margin-right:20px;color:#999}.box-tab li:hover{cursor:pointer}.box-tab .on{color:#6085e3}.box-new-hot .boxinfo{line-height:30px}.box-new-hot .boxinfo a{margin-right:10px;color:#999;font-size:12px}.grad{background:#fff;background:-ms-linear-gradient(top,#fff 0,#f7f8f8 100%);text-align:center}.b-box{overflow:hidden;margin-right:-33px;padding-top:4px}.b-box .s-box{position:relative;float:left;overflow:hidden;margin-right:1pc;margin-bottom:26px;width:3in;height:auto;-webkit-border-radius:6px;border-radius:6px;-webkit-box-shadow:0 2px 5px rgba(0,0,0,.1);box-shadow:0 2px 5px rgba(0,0,0,.1);-o-box-shadow:0 2px 5px rgba(0,0,0,.1);behavior:url(ie-css3.htc)}.b-box .s-box .picimg{display:block;height:360px;overflow:hidden}.b-box .s-box .s-pic{width:100%;height:360px}.lazy{background:#eee}.b-box .s-box .explain{display:block;padding:0 30px;background:#fff}.b-box .s-box .p-title{height:44px;background:#fff;text-align:center}.b-box .s-box .p-title a{display:inline-block;overflow:hidden;width:225px;height:44px;color:#252525;text-align:center;-o-text-overflow:ellipsis;text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:44px}.b-box .s-box .p-title a:hover{color:#f60}.b-box .s-box .coll{display:block;width:100%;height:44px;border-top:1px solid #eceff1;color:#838383;font-size:14px;font-family:Arial;line-height:44px}.b-box .dianzan-num{position:relative;float:left;width:45%;text-align:left}.b-box .dianzan-num i{display:inline-block;width:30px;height:30px;background:url(../images/common_new.png) -9px -1394px no-repeat;vertical-align:-5px}.b-box .dianzan-num .yjdz{background:url(../images/common_new.png) -9px -1444px no-repeat}.b-box .coll-num{float:right;width:45%;text-align:right}.b-box .coll-num i{display:inline-block;width:30px;height:30px;background:url(../images/common_new.png) -9px -37px no-repeat;vertical-align:-5px}.b-box .s-box .mark{position:absolute;top:0;left:0;display:none;width:3in;height:407px;background:#000;opacity:0;-moz-opacity:0;-khtml-opacity:0;filter:alpha(opacity=0)}.b-box .s-box:hover .mark{display:block;opacity:.4;-webkit-transition:all .15s;-o-transition:all .15s;transition:all .15s;-moz-opacity:.4;-khtml-opacity:.4;filter:alpha(opacity=40);-ms-transition:all .15s}.b-box .s-box .b-down{position:absolute;top:214px;left:50%;z-index:2;margin-left:-88px;padding-left:36px;width:142px;height:55px;-webkit-border-radius:4px;border-radius:4px;background:url(../images/common_new.png) 23px -444px no-repeat #d7000f;color:#fff;font-size:20px;font-size:17px;line-height:55px;opacity:0;cursor:pointer;-moz-opacity:0;-khtml-opacity:0;filter:alpha(opacity=0)}.b-box .s-box .b-down:hover{background:url(../images/common_new.png) 23px -444px no-repeat #fc2130}.b-box .s-box:hover .b-down{opacity:1;-moz-opacity:1;-khtml-opacity:1;filter:alpha(opacity=100)}.b-box .s-box .b-collect{position:absolute;top:197px;left:50%;z-index:2;margin-left:-90px;padding-left:31px;width:148px;height:50px;-webkit-border-radius:4px;border-radius:4px;background:url(../images/common_new.png) 29px -31px no-repeat #fff;color:#333;letter-spacing:7px;font-size:20px;font-size:17px;line-height:50px;opacity:0;cursor:pointer;-moz-opacity:0;-khtml-opacity:0;filter:alpha(opacity=0)}.b-box .s-box:hover .b-collect{opacity:1;-moz-opacity:1;-khtml-opacity:1;filter:alpha(opacity=100)}.b-box .s-box .chose{background:url(../images/common_new.png) 29px -633px no-repeat #fff}.s-box .banquan{position:absolute;top:8px;left:8px;display:block;display:none;width:27px;height:28px;-webkit-border-radius:2px;border-radius:2px;background:url(../images/newuser.png) -8px -717px no-repeat;opacity:.8;filter:alpha(opacity=80)}.b-box .s-box:hover .banquan{display:block}.b-box-height{overflow:hidden;height:auto}.b-box .s-box:hover .topic-tit{opacity:1;-moz-opacity:1;-khtml-opacity:1}.b-box .s-box .topic-tit{position:absolute;top:50%;left:0;z-index:2;margin-top:-28px;width:100%;height:56px;opacity:0;cursor:pointer;-moz-opacity:0;-khtml-opacity:0;text-align:center}.b-box .s-box .topic-tit .topic-inner{display:inline-block;padding:0 20px;height:50px;border:2px solid #fff;-webkit-border-radius:2px;border-radius:2px;color:#fff;font-size:20px;line-height:50px;text-align:center}.b-box-png .s-box{padding:13px;width:260px;height:260px}.b-box-png .s-box .s-pic{height:auto}.b-box-png .s-box .mark{width:260px;height:260px}.b-box .s-box:hover .mark{opacity:.6}.b-box-png{overflow:hidden;padding-left:2px;height:621px}.b-box .b-box-music{height:569px}.b-box-audio{overflow:hidden;height:545px}.b-box-music{overflow:unset;height:465px}.b-box .s-box .mark{width:100%;height:100%}.b-box .s-box{-webkit-border-radius:4px;border-radius:4px;-webkit-box-shadow:0 0 0 rgba(0,0,0,.1);box-shadow:0 0 0 rgba(0,0,0,.1);behavior:url(ie-css3.htc)}.b-box-png .s-box{-webkit-box-shadow:0 0 5px rgba(0,0,0,.1);box-shadow:0 0 5px rgba(0,0,0,.1);behavior:url(ie-css3.htc)}.b-box .small-bj{width:592px;-webkit-border-radius:4px;border-radius:4px}@media screen and (min-width:1600px){.wlimit{width:1504px}.b-box-bjing .s-box .s-pic{height:auto}#banner{height:400px}#banner .prevBtn{margin-left:-752px}#banner .nextBtn{margin-left:692px}.topic{height:316px}.txtScroll-left .bds{height:220px}.txtScroll-left .bds ul li{margin-right:21px;width:360px;height:220px}.hds .next{margin-top:-56px;margin-left:726px}.hds .prev{margin-top:-54px}.b-box-bjing .s-box{width:360px}.b-box .small-bj{width:737px}#floatheart{display:block}.b-box-audio{height:675px}}.pngbox{width:100%;height:100%;background:url(../images/pnggrid.png) top left #f6f6f6}.pngbox a{display:table-cell;height:260px;vertical-align:middle;text-align:center}.pngbox a,.pngbox a img{width:260px}.aboutpanda{width:100%;height:500px;background:#fff}.aboutpanda .panda-title{height:138px;line-height:138px}.aboutpanda .panda-title h5{display:inline-block;color:#303030;font-weight:400;font-size:32px}.aboutpanda .panda-title a{display:inline-block;margin-left:28px;width:164px;height:47px;-webkit-border-radius:45px;border-radius:45px;background:#f2a20c;color:#fff;vertical-align:3px;font-size:16px;line-height:47px}.aboutpanda .panda-title a em{display:inline-block;margin-left:3px;width:19px;height:21px;background:url(../images/bq.png) -15px -93px;vertical-align:-6px}@media screen and (max-width:1300px){.txtScroll-left .bds ul li{margin-right:8px;width:244px;height:150px}.hds .next{margin-left:473px}.hds .next,.hds .prev{margin-top:-63px}#banner .prevBtn{margin-left:-498px}#banner .nextBtn{margin-left:439px}.txtScroll-left .bds{height:166px}.topic-title .jptitle{font-size:26px}.topic-title .jptitle .ppt{width:65px}.topic-title ul li a{margin-right:6px;padding:0 8px;height:30px;font-size:13px;line-height:30px}.b-box-height{height:709px}.b-box .s-box .topic-tit .topic-inner{padding:0 13px;height:45px;font-size:18px;line-height:45px}.b-box-png{height:506px}.b-box .small-bj{width:492px}.b-box-bjing .s-box{margin-right:13px}.b-box-png .s-box{padding:10px;width:217px;height:217px}.b-box-png .s-box .s-pic{width:203px;height:auto}.pngbox a{width:217px;height:217px}}.b-box .video .s-pic{height:162px}.b-box .video{display:block;overflow:hidden;width:288px;height:162px;cursor:pointer}.b-box .video:hover .img-none{display:none}.b-box .video video{display:none;width:288px;height:162px;background:#000;-o-object-fit:fill;object-fit:fill}.b-box .video .video-spec{-o-object-fit:contain;object-fit:contain}.b-box .video .video-time{position:absolute;right:14px;bottom:0;z-index:1;overflow:hidden;width:100px;height:30px;color:#fff;text-align:right;font-size:15px;font-family:Arial;line-height:30px}.b-box .video:hover video{display:block}.b-box .video .mark{display:none;height:162px}.b-box .video:hover .mark{display:none}.b-box .video .v-down{position:absolute;top:12px;left:50%;z-index:2;margin-left:65px;padding-left:21px;width:45px;height:31px;-webkit-border-radius:2px;border-radius:2px;background:url(../images/video.png) -8px -77px no-repeat #007aff;color:#fff;font-size:20px;font-size:14px;line-height:31px;opacity:0;cursor:pointer;-moz-opacity:0;-khtml-opacity:0}.b-box .video .v-down:hover{background:url(../images/video.png) -8px -77px no-repeat #6e91e6}.b-box .video .v-collect{position:absolute;top:12px;left:50%;z-index:2;margin-left:23px;padding-left:0;width:31px;height:31px;-webkit-border-radius:2px;border-radius:2px;background:url(../images/video.png) -11px 5px no-repeat #fff;color:#333;letter-spacing:7px;font-size:20px;font-size:17px;line-height:31px;opacity:0;cursor:pointer;filter:alpha(opacity=0);-moz-opacity:0;-khtml-opacity:0}.b-box .video:hover .v-collect,.b-box .video:hover .v-down{opacity:1;filter:alpha(opacity=1);-moz-opacity:1;-khtml-opacity:1}.b-box .video .chosed{background:url(../images/video.png) -11px -36px no-repeat #fff}.b-box .video .title{position:absolute;bottom:0;left:17px;z-index:1;overflow:hidden;width:200px;height:30px;color:#fff;text-align:left;text-overflow:ellipsis;white-space:nowrap;font-size:12px;line-height:30px;-o-text-overflow:ellipsis}.b-box .video:hover .title,.b-box .video:hover .video-bq,.b-box .video:hover .video-time{display:none}.b-box .video:hover .mc-bottom{display:none}.b-box .video .mc-bottom{position:absolute;bottom:0;left:0;display:inline-block;width:100%;height:32%;background:#000;background:-webkit-gradient(linear,left bottom,left top,from(rgba(0,0,0,.4)),to(transparent));background:-webkit-linear-gradient(bottom,rgba(0,0,0,.4) 0,transparent 100%);background:-o-linear-gradient(bottom,rgba(0,0,0,.4) 0,transparent 100%);background:-webkit-gradient(linear,left bottom,left top,from(rgba(0,0,0,.4)),to(transparent));background:-webkit-gradient(linear,left bottom,left top,color-stop(0,rgba(0,0,0,.4)),to(transparent));background:-webkit-gradient(linear,left bottom,left top,color-stop(0,rgba(0,0,0,.4)),to(transparent));background:-webkit-gradient(linear,left bottom,left top,color-stop(0,rgba(0,0,0,.4)),to(transparent));background:-webkit-gradient(linear,left bottom,left top,color-stop(0,rgba(0,0,0,.4)),to(transparent));background:-webkit-gradient(linear,left bottom,left top,color-stop(0,rgba(0,0,0,.4)),to(transparent));background:linear-gradient(to top,rgba(0,0,0,.4) 0,transparent 100%)}.video-bq{position:absolute;top:15px;left:15px;width:50px;height:50px;background:url(../images/video.png) -7px -143px no-repeat}.sixfivewidth{width:65%!important}@media screen and (max-width:1300px){.b-box .video{width:240px;margin-right:11px;height:135px}.b-box .video .s-pic{height:135px}.b-box .video video{width:240px}.b-box .video .v-collect{margin-left:12px}.b-box .video .v-down{margin-left:49px}.b-box .video .title{width:150px}}@media screen and (min-width:1600px){.b-box .video{width:360px;height:202px;margin-right:21px}.b-box .video .s-pic{height:202px}.b-box .video video{-o-object-fit:fill;object-fit:fill;width:360px;height:202px}.b-box .video .v-down{margin-left:99px}.b-box .video .v-collect{margin-left:56px}.b-box .video .title{font-size:14px}.b-box .video .video-time{font-size:15px}}.leftbar{position:fixed;top:50%;left:50%;z-index:2;display:none;margin-top:-340px;margin-left:-683px;padding-bottom:17px;width:50px;border:1px solid #ececec;background:#fff;-webkit-box-shadow:0 0 6px #e6e6e6;box-shadow:0 0 6px #e6e6e6;font-size:12px}.leftbar .lline{margin-left:5px;width:40px;height:1px;background:#e0e0e0}.leftbar .lbox{display:block;padding:15px 0;width:50px;height:46px;color:#797979;cursor:pointer}.leftbar .lboxts{padding:0;padding-bottom:16px;background:url(../images/index.png) -19px -611px no-repeat}.leftbar .lbox span{display:block}.leftbar .fontchose{color:#5a81e1}.leftbar .return-top1{display:inline-block;width:50px;height:50px;background:url(../images/index.png) -20px -592px no-repeat;vertical-align:10px}.leftbar .return-top1:hover{background:url(../images/index.png) -86px -592px no-repeat}.leftbar em{display:inline-block;width:50px;height:58px}.leftbar .pptjp{background:url(../images/index.png) -19px -238px no-repeat}.leftbar .yuansujp{background:url(../images/index.png) -19px -21px no-repeat}.leftbar .adjp{background:url(../images/index.png) -19px -164px no-repeat}.leftbar .videojp{background:url(../images/index.png) -19px -528px no-repeat}.leftbar .wordjp{background:url(../images/index.png) -19px -309px no-repeat}.leftbar .exceljp{background:url(../images/index.png) -19px -381px no-repeat}.leftbar .musicjp{background:url(../images/index.png) -19px -456px no-repeat}.leftbar .bjingjp{background:url(../images/index.png) -19px -93px no-repeat}.leftbar .divchose .pptjp,.leftbar .pptjp:hover{background:url(../images/index.png) -85px -238px no-repeat}.leftbar .divchose .yuansujp,.leftbar .yuansujp:hover{background:url(../images/index.png) -85px -21px no-repeat}.leftbar .adjp:hover,.leftbar .divchose .adjp{background:url(../images/index.png) -85px -164px no-repeat}.leftbar .divchose .videojp,.leftbar .videojp:hover{background:url(../images/index.png) -85px -528px no-repeat}.leftbar .divchose .wordjp,.leftbar .wordjp:hover{background:url(../images/index.png) -85px -309px no-repeat}.leftbar .divchose .exceljp,.leftbar .exceljp:hover{background:url(../images/index.png) -85px -382px no-repeat}.leftbar .divchose .musicjp,.leftbar .musicjp:hover{background:url(../images/index.png) -85px -456px no-repeat}.leftbar .bjingjp:hover,.leftbar .divchose .bjingjp{background:url(../images/index.png) -85px -93px no-repeat}@media screen and (max-width:1300px){.leftbar{margin-left:-567px}.leftbar .lbox{padding:11px 0}}@media screen and (min-width:1600px){.leftbar{margin-top:-340px;margin-left:-869px}}.picList.biglist{margin-right:-40px}.s-box.bigpic{width:280px;margin:10px 27px 18px 0;background:#fff;-webkit-border-radius:6px;border-radius:6px;-webkit-box-shadow:0 2px 5px rgba(0,0,0,.1);box-shadow:0 2px 5px rgba(0,0,0,.1);-o-box-shadow:0 2px 5px rgba(0,0,0,.1);overflow:hidden}.s-box.bigpic .imgBox{height:360px;width:280px;overflow:hidden;position:relative}.s-box.bigpic .pic-link{height:360px;overflow:hidden;display:block}.s-box.bigpic .pic-link img{width:280px}.s-box.bigpic .markjiao{pointer-events:none;position:absolute;top:50%;left:50%;margin-left:-92px;margin-top:-11px}@media screen and (min-width:1560px){.s-box.bigpic{width:340px;margin:15px 6px 25px 24px;background:#fff;-webkit-border-radius:6px;border-radius:6px;-webkit-box-shadow:0 2px 5px rgba(0,0,0,.1);box-shadow:0 2px 5px rgba(0,0,0,.1);-o-box-shadow:0 2px 5px rgba(0,0,0,.1);overflow:hidden}.s-box.bigpic .imgBox{height:437px;width:340px;overflow:hidden;position:relative}.s-box .imgBox .pic-a a{height:437px;line-height:437px}.s-box.bigpic .pic-link{height:437px;overflow:hidden;display:block}.s-box.bigpic .pic-link img{width:340px}.s-box.bigpic .markjiao{pointer-events:none;position:absolute;top:50%;left:50%;margin-left:-92px;margin-top:0}.s-box.bigpic .picTitle a{width:286px}}