.video-box[data-v-55978990]{position:relative;margin:0 auto;padding:0 0 100px;display:block;width:1080px;.m-video[data-v-55978990]{width:1080px;height:610px}.s-mobile &[data-v-55978990]{width:640px;.m-video[data-v-55978990]{width:640px;height:480px}}.flash[data-v-55978990]{position:absolute;left:0;top:0;z-index:10}}.m-share[data-v-e7d22c22]{width:54px}.m-share .u-box[data-v-e7d22c22]{cursor:pointer;display:inline-block;background-color:#353435;width:54px;height:54px;color:#fff;margin-top:5px;background-repeat:no-repeat;background-position:50%;background-size:40px 40px}.m-share .box-wx-frineds[data-v-e7d22c22]{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/wx-friends.png)}.m-share .box-wx-frineds[data-v-e7d22c22]:hover{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/wx-friends-hover.png)}.m-share .box-wx[data-v-e7d22c22]{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/wx.png)}.m-share .box-wx[data-v-e7d22c22]:hover{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/wx-hover.png)}.m-share .box-wb[data-v-e7d22c22]{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/wb.png)}.m-share .box-wb[data-v-e7d22c22]:hover{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/wb-hover.png)}.m-share .box-qq[data-v-e7d22c22]{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/QQ.png)}.m-share .box-qq[data-v-e7d22c22]:hover{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/edumusic/QQ-hover.png)}.wrapper[data-v-98ac1234]{position:relative;width:1080px;margin:auto}.s-mobile .wrapper[data-v-98ac1234]{width:640px}.m-header[data-v-98ac1234]{position:relative;margin-top:60px;margin-bottom:30px}.m-header h3[data-v-98ac1234]{margin-bottom:17px;font-size:36px;color:#333;line-height:26px;font-weight:400}.s-mobile .m-header h3[data-v-98ac1234]{font-size:48px;line-height:60px}.m-header .type[data-v-98ac1234]{font-size:14px;color:#666;line-height:14px}.s-mobile .m-header .type[data-v-98ac1234]{font-size:28px}.m-header .position[data-v-98ac1234]{font-size:14px;color:#2a2a2a;line-height:14px}.s-mobile .m-header .position[data-v-98ac1234]{font-size:28px}.m-header .u-close[data-v-98ac1234]{position:absolute;right:10px;top:10px;width:28px;height:28px;background:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/mctalk/img/detail/modal_close_icon@2x.png) no-repeat 50%}.s-mobile .video-box[data-v-98ac1234]{margin-top:100px}.m-share[data-v-98ac1234]{position:absolute;right:-54px;top:43px}.m-wxLayer[data-v-98ac1234]{position:absolute;top:46px;width:1081px;height:610px;background-color:hsla(0,0%,100%,.98)}.m-wxLayer .content[data-v-98ac1234]{position:absolute;top:50%;transform:translateY(-50%);left:0;right:0;margin:auto;text-align:center}.m-wxLayer .content p[data-v-98ac1234]{font-size:14px;margin-top:10px}.m-wxLayer .qr[data-v-98ac1234]{width:180px;height:180px;border:5px solid #fff;box-shadow:#eee}#mctalk4{min-width:1250px;background-color:#0d0a1d;background-image:radial-gradient(#2c2a3b 10%,transparent 0);background-size:11px 11px;overflow:hidden;position:relative}#mctalk4 .header{width:100%;height:107px;position:fixed;background-color:rgba(0,0,0,.7);color:#fff;z-index:5}#mctalk4 .header .content{width:1200px;height:100%;margin:0 auto;display:block}#mctalk4 .header .content div,#mctalk4 .header .content li,#mctalk4 .header .content span,#mctalk4 .header .content ul{display:inline-block}#mctalk4 .header .logo{height:22px;width:280px;margin-top:44px;margin-right:145px;float:left}#mctalk4 .header .nav>li{padding:0 6px;margin:0 22px;font-size:18px;height:107px;line-height:107px}#mctalk4 .header .nav>li a{height:100%;width:100%;color:#fff;display:inline-block;box-sizing:border-box}#mctalk4 .header .nav>li.active a{border-bottom:6px solid #d90027;color:#d90027}#mctalk4 .header .actState{float:right;max-width:383px;line-height:36px;margin-top:37px;font-size:14px}#mctalk4 .header .actState .btn{height:36px;width:110px;margin-left:16px;background-color:#1c2ed2;border-radius:2px;text-align:center;cursor:pointer}#mctalk4 .decoration{position:absolute;width:1900px;left:50%;margin-left:-950px;background-repeat:no-repeat;pointer-events:none}#mctalk4 .decoration1{height:591px;top:1320px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/dec1@2x.png);background-position:100% 0;background-size:194px 591px}#mctalk4 .btnfixed{position:fixed;width:1900px;left:50%;margin-left:-950px;bottom:0}#mctalk4 .btnfixed .btn2{position:relative;cursor:pointer;width:98px;height:100px;background-size:100%;left:1700px;bottom:100px}#mctalk4 .decoration2{height:680px;top:2258px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/dec2@2x.png);background-position:0 0;background-size:230px 680px}#mctalk4 .decoration3{height:730px;top:4066px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/dec3@2x.png);background-position:100% 0;background-size:219px 730px}#mctalk4 .decoration4{height:100px;top:1917px}#mctalk4 .decoration4 img{height:100px;width:99px;cursor:pointer;position:absolute;right:218px;pointer-events:auto}#mctalk4 .banner{position:relative;width:100%;overflow:hidden}#mctalk4 .banner *{position:absolute}@keyframes ani_top{0%{height:0;opacity:0}50%{height:0;opacity:1}65%{height:34%;opacity:1}99%{height:34%;opacity:1}}@keyframes ani_16{0%{width:0}20%{width:39.16%}}@keyframes ani_18{0%{width:0}20%{width:32%}}@keyframes ani_15_17{0%{opacity:0}15%{opacity:1}}@keyframes airplane{0%{left:100%}40%{left:100%}80%{left:22%}99%{left:22%}}@keyframes shaking1{0%{transform:rotate(0)}40%{transform:rotate(10deg)}45%{transform:rotate(-10deg)}50%{transform:rotate(10deg)}55%{transform:rotate(-10deg)}60%{transform:rotate(10deg)}65%{transform:rotate(-10deg)}70%{transform:rotate(10deg)}75%{transform:rotate(-10deg)}80%{transform:rotate(10deg)}85%{transform:rotate(-10deg)}90%{transform:rotate(10deg)}95%{transform:rotate(-10deg)}99%{transform:rotate(0)}}@keyframes shaking2{0%{transform:rotate(0deg)}20%{transform:rotate(7deg)}25%{transform:rotate(-7deg)}30%{transform:rotate(7deg)}35%{transform:rotate(-7deg)}40%{transform:rotate(7deg)}45%{transform:rotate(-7deg)}50%{transform:rotate(7deg)}55%{transform:rotate(-7deg)}60%{transform:rotate(7deg)}65%{transform:rotate(-7deg)}70%{transform:rotate(7deg)}75%{transform:rotate(-7deg)}80%{transform:rotate(0deg)}}#mctalk4 .banner .bg{width:100%;height:100%}#mctalk4 .banner .player{width:63.8%;left:13.7%;bottom:0}#mctalk4 .banner .btn1{left:45%;bottom:15.5%;background-size:100%;height:6.2%;width:10%;background-repeat:no-repeat}#mctalk4 .banner .lightning_top{opacity:0;width:67%;height:34%;left:27.5%;top:0;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/lightning_top@2x.png);background-position:top;animation:ani_top 2.5s ease-in .01s infinite}#mctalk4 .banner .lightning_15{width:2.7%;left:7.5%;top:12.7%;animation:ani_15_17 2.5s ease-in .3s infinite}#mctalk4 .banner .lightning_16{width:39.16%;height:31.7%;left:0;top:35.6%;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/lightning_16@2x.png);background-position:0 0;animation:ani_16 2.5s ease-in .3s infinite}#mctalk4 .banner .lightning_17{width:6.5%;left:37.6%;top:72.3%;animation:ani_15_17 2.5s ease-in .3s infinite}#mctalk4 .banner .lightning_18{width:32%;height:24.5%;right:0;top:46%;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/lightning_18@2x.png);background-position:100% 0;animation:ani_18 2.5s ease-in .3s infinite}#mctalk4 .banner .airplane{width:11.3%;left:22%;top:19%;animation:airplane 2.5s ease-in .01s infinite}#mctalk4 .banner .arm{width:10.5%;left:63%;top:0;animation:shaking1 2.5s ease-in .01s infinite}#mctalk4 .banner .camera{width:8.5%;left:15.5%;top:7.7%;animation:shaking2 2.5s ease-in .01s infinite}#mctalk4 .banner .handle{width:16.3%;left:27.4%;top:78.4%;animation:shaking1 2.5s ease-in .01s infinite}#mctalk4 .banner .pole{width:12.1%;left:51.3%;bottom:0;animation:shaking2 2.5s ease-in .01s infinite}#mctalk4 .banner .telescope{width:24.8%;left:71%;bottom:14.4%;animation:shaking2 2.5s ease-in-out .01s infinite}#mctalk4 .banner .main_text{width:47.1%;height:69.8%;left:26.5%;top:13.3%}#mctalk4 .page{width:1200px;margin:0 auto;overflow:visible}#mctalk4 .page>.title{height:286px;margin-left:-30px;background-repeat:no-repeat}#mctalk4 .lecturePage .title{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/lecture_title@2x.png);background-size:178px 106px;background-position:0 102px}#mctalk4 .lecturePage .lectures{width:1201px;margin:0 auto}#mctalk4 .lecturePage .lecture{display:inline-block;width:292px;height:289px;background-size:100%;margin-right:11px;margin-bottom:9px}#mctalk4 .lecturePage .lecture .carte{background:rgba(39,17,255,.6);border-radius:1px;color:#fff;height:100%;width:100%;visibility:hidden;padding:20px;box-sizing:border-box}#mctalk4 .lecturePage .lecture .carte .name{font-size:36px;margin-bottom:124px}#mctalk4 .lecturePage .lecture .carte .border{width:24px;height:4px;background:#fff}#mctalk4 .lecturePage .lecture .carte .company{line-height:54px;font-size:20px}#mctalk4 .lecturePage .lecture .carte .desc{font-size:16px}#mctalk4 .lecturePage .lecture:hover .carte{visibility:visible}#mctalk4 .lecturePage .lecture:nth-child(4n){margin-right:0}#mctalk4 .agenda .title{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/agenda_title@2x.png);background-size:161px 139px;background-position:0 92px;height:311px}#mctalk4 .agenda .agenda1{height:705px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/agenda1@1x.png?v=1);background-size:1164px 619px;background-repeat:no-repeat;position:relative}#mctalk4 .agenda .agenda1 .btn5{height:48px;width:150px;top:200px;right:0;position:absolute;background-size:100%}#mctalk4 .agenda .agenda1 .btn5.active{cursor:pointer}#mctalk4 .agenda .agenda2{height:290px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/agenda2@1x.png);background-size:1165px 142px;background-repeat:no-repeat;position:relative}#mctalk4 .agenda .agenda2 a{position:absolute;height:48px;width:150px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/btn3@2x.png);background-size:100%;top:182px}#mctalk4 .agenda .agenda3{height:684px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/agenda3@1x.png);background-size:1164px 684px;background-repeat:no-repeat}#mctalk4 .guideline .title{background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/intro_title@2x.png);background-size:183px 106px;background-position:0 92px}#mctalk4 .guideline .map{height:534px;width:1200px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/map@2x.jpg);background-size:100%;box-sizing:border-box;padding-top:276px;padding-left:465px;color:#000;font-size:18px;margin-bottom:55px}#mctalk4 .sub-page{width:1200px;margin:0 auto;color:#fff}#mctalk4 .sub-page .title{font-size:36px;letter-spacing:10px;line-height:140px}#mctalk4 .sub-page .text{font-size:24px;line-height:33px}#mctalk4 .organizer img{width:590px;height:66px}#mctalk4 .livevideo img,#mctalk4 .signup img{width:190px;height:66px}#mctalk4 .parter img{width:1190px;height:294px}#mctalk4 .about-yunxin a{margin:40px 0 200px;display:inline-block;height:48px;width:150px;background-image:url(https://yx-web-nosdn.netease.im/quickhtml/assets/yunxin/node-website/res/image/promotion/mctalk4/btn4@2x.png);background-size:100%}