.container{width:1140px;margin:0 auto}.hide{display:none}body{margin:0}.pro-nav-head{height:40px;line-height:40px;position:absolute;left:0;top:66px;background:transparent;color:#fff;z-index:5;width:100%}.pro-nav-head .container{border-bottom:1px solid #ccc}.pro-nav-head .pro-name{float:left;font-size:16px;padding-left:14px;color:#fff;width:150px;margin:0;line-height:45px}.pro-nav-head .pro-features{float:right;font-size:14px}.pro-nav-head .pro-features a{color:#fff;text-decoration:none;display:inline-block;transition:opacity ease-out .3s}.pro-nav-head .pro-features a.current{color:#df001f}.pro-nav-head .pro-features a.current:hover{opacity:1}.pro-nav-head .pro-features .tab-href{margin-right:30px}.pro-nav-head .pro-features .tab-href:hover{opacity:.65}.pro-nav-head .pro-features .btn{height:25px;line-height:25px;text-align:center;padding-left:40px;padding-right:40px;background:#df001f;color:#fff;font-size:14px;border-radius:4px;display:none}.pro-nav-head .pro-features .buy-btn{background:#df001f}.pro-nav-head .pro-features .stock-btn,.pro-nav-head .pro-features .nobuy-btn{background:#ccc}.pro-nav-head .pro-features .loadding-btn{background:#ccc;display:inline-block}.pro-nav-head .pro-features.buy .buy-btn{display:inline-block}.pro-nav-head .pro-features.buy .loadding-btn{display:none}.pro-nav-head .pro-features.stock .stock-btn{display:inline-block}.pro-nav-head .pro-features.stock .loadding-btn{display:none}.pro-nav-head .pro-features.nobuy .nobuy-btn{display:inline-block}.pro-nav-head .pro-features.nobuy .loadding-btn{display:none}.pro-nav-head.fix-bar{position:fixed;top:0;z-index:100;transition:all .6s ease-out;background:#f7f7f7}.pro-nav-head.fix-bar .container{border-bottom:0}.pro-nav-head.fix-bar .pro-name{color:#0e0e0e}.pro-nav-head.fix-bar .pro-features a{color:#0e0e0e}.pro-nav-head.fix-bar .pro-features .current{color:#df001f}.pro-nav-head.fix-bar .pro-features .btn{color:#fff}.pro-nav-head.hide-bar{top:-50px}.m1-common .title{font-size:40px;color:#000;font-weight:700;line-height:1.2}.m1-common .content{font-size:18px;line-height:1.5;color:#000;margin:30px auto auto}.m1-common a.link{font-size:18px;display:block;line-height:32px;color:#df001f;margin-top:20px;transition:all ease-out .3s}.m1-common a.link span{transition:all ease-out .3s;display:inline-block;padding-left:2px}.m1-common a.link:hover{opacity:.65}.m1-common a.link:hover span{transform:translate3d(5px,0,0);opacity:.65}.m1-common-white .title{font-size:40px;color:#f5f5f5;font-weight:700;line-height:1.2}.m1-common-white .content{font-size:18px;line-height:1.5;color:#f5f5f5;margin:30px auto auto}.m1-common-white a.link{font-size:18px;display:block;line-height:32px;color:#df001f;margin-top:20px;transition:all ease-out .3s}.m1-common-white a.link span{transition:all ease-out .3s;display:inline-block;padding-left:2px}.m1-common-white a.link:hover{opacity:.65}.m1-common-white a.link:hover span{transform:translate3d(5px,0,0);opacity:.65}.m1-footer{height:240px;position:relative;background:#e5e5e5;overflow:hidden}.m1-footer a{display:block;transition:opacity ease-out .3s}.m1-footer a span{transition:all ease-out .3s;display:inline-block;padding-left:2px}.m1-footer a:hover .right-text{opacity:.65}.m1-footer a:hover span{transform:translate3d(5px,0,0);opacity:.65}.m1-footer .left-text{position:absolute;left:50%;top:40px;margin-left:-280px;font-size:30px;line-height:38px;z-index:3}.m1-footer .title{font-size:14px;color:#333;margin:0}.m1-footer .sub-title{margin-top:28px;font-size:30px;color:#333;line-height:38px}.m1-footer .right-text{position:absolute;color:#df001f;font-size:18px;line-height:30px;top:110px;left:50%;margin-left:343px;z-index:3}.m1-footer .bottom-img{position:absolute;height:240px;width:2560px;left:50%;margin-left:-1280px;top:0;text-align:center}.m1-footer .icon-right{font-size:14px}.warn-info{padding-top:50px;padding-bottom:50px;background:#ccc}.warn-info .warn-block{width:1170px;margin:0 auto;font-size:12px;line-height:15px}.warn-info a{color:#00f}.warn-info a:hover{color:#00f}.m-style .m1-common .title,.m-style .m1-common-white .title{font-size:.4rem}.m-style .m1-common .content,.m-style .m1-common-white .content{font-size:.28rem;margin-top:.3rem}.m-style .m1-common a.link,.m-style .m1-common-white a.link{font-size:.28rem;margin-top:.2rem}.m-style .m1-footer{height:2.4rem}.m-style .m1-footer .bottom-img{height:2.4rem;width:25.6rem;left:0;top:0;margin-left:-7rem}.m-style .m1-footer .bottom-img img{height:2.4rem}.m-style .m1-footer .left-text{top:.4rem;margin-left:-.8rem;font-size:.3rem;line-height:1.2}.m-style .m1-footer .title{font-size:.28rem}.m-style .m1-footer .sub-title{font-size:.3rem;margin-top:.28rem;line-height:1.2}.m-style .m1-footer .right-text{display:none}.m-style .warn-info{padding-top:.5rem;padding-bottom:.5rem;padding-left:.2rem;padding-right:.2rem}.m-style .warn-info .warn-block{width:100%;font-size:.12rem;line-height:1.2}@media only screen and (max-width:1119px){.container{width:970px}}.section{position:relative;overflow:hidden}.section h1,.section h2,.section h3,.section h4,.section p,.section ul,.section li{margin:0;padding:0;font-weight:400;font-style:normal}.section .icon-right{font-size:12px}.abs-text{position:absolute;left:50%}.summary-head{height:805px;text-align:center;background:#080808;overflow:hidden}.summary-head h1{font-size:43px;color:#f7f7f7}.summary-head .abs-text{width:460px;margin-left:-230px;z-index:10;top:255px;padding-top:188px;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-15_af36cfe0.png);background-position:43px top}.summary-head .play-btn{width:249px;margin-top:13px;height:44px;line-height:44px;color:#df001f;margin-left:auto;margin-right:auto;font-size:24px;cursor:pointer}.summary-head .play-icon{display:inline-block;width:38px;height:38px;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-38_e2160d48.png);background-position:center center;vertical-align:-11px;background-size:34px}.summary-head video{margin:0 auto}.summary-head .cover{position:absolute;left:0;width:100%;height:805px;background:#000;z-index:1;opacity:.4}.summary-design{height:1000px}.summary-design .abs-text{height:100px;margin-left:-511px;top:85px;z-index:5}.summary-design .title{margin-top:105px}.summary-design .content{width:300px;margin-left:0}.summary-design .nav-rect{position:absolute;left:50%;width:141px;margin-left:-70.5px;bottom:60px;z-index:3}.summary-design .nav-rect li{width:10px;height:10px;float:left;margin-right:9px;transition:all .6s ease-out;cursor:pointer;background:#fff;border-radius:50%}.summary-design .nav-rect .last{margin-right:0}.summary-design .nav-rect .current{background:#2b2b2b;cursor:default}.summary-design .title,.summary-design .content,.summary-design a.link{color:#fff}.summary-design.t-w .title,.summary-design.t-w .content{color:#5c6670}.summary-design.t-w a.link{color:#df001f}.summary-design .img-list{position:absolute;width:100%;height:1000px;top:0;left:0;z-index:2}.summary-design .img-list li{position:absolute;width:100%;height:100%;top:0;left:0;z-index:5;opacity:0;transition:opacity .6s ease-out}.summary-design .img-list .img-a{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-33_25a878b4.jpg);background-position:center center}.summary-design .img-list .img-b{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-34_c9ac7ed5.jpg);background-position:center center}.summary-design .img-list .img-c{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-35_96f5d7e9.jpg);background-position:center center}.summary-design .img-list .img-d{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-36_16198b79.jpg);background-position:center center}.summary-design .img-list .img-e{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-37_427bdb08.jpg);background-position:center center}.summary-design .img-list .current{opacity:1}.summary-design .nav-forward{position:absolute;transition:all .3s ease-out;top:50%;left:50%;z-index:20;margin-left:-570px;opacity:0}.summary-design .nav-forward .left-forward{position:absolute;left:0;width:50px;height:150px;border-radius:2px;cursor:pointer}.summary-design .nav-forward .right-forward{position:absolute;right:0;width:50px;height:150px;border-radius:2px;cursor:pointer}.summary-design .nav-forward li{color:#fff;text-align:center}.summary-design .nav-forward li span{font-size:30px;font-weight:100;line-height:150px}.summary-design .nav-forward li:hover{background:rgba(204,204,204,.6)}.summary-design:hover .nav-forward{opacity:1}.summary-system{height:790px;background:#fff;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-21_35d95f5f.jpg);background-position:center center}.summary-system .abs-text{top:160px;margin-left:50px;width:460px}.summary-system .content{width:418px;margin-left:0}.summary-battery{height:796px;text-align:center;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-17_00e679f4.jpg);background-position:center center}.summary-battery .title{margin-top:83px}.summary-battery .content{line-height:26px;margin-top:20px}.summary-color-list{height:760px}.summary-color-list .img-list{position:absolute;left:50%;top:40px;margin-left:-410px;width:800px}.summary-color-list .img-list li{position:absolute;left:0;top:0;transition:all .4s ease-out;transition-delay:.4s;opacity:0}.summary-color-list .img-list li img{width:800px}.summary-color-list .img-list .current{opacity:1;transition-delay:0s}.summary-color-list .paint-choice{position:absolute;top:640px;left:50%;margin-left:-480px;width:970px}.summary-color-list .paint-choice .color-list{margin:0 auto;display:table}.summary-color-list .paint-choice .color-list .paint-type{font-size:18px;line-height:43px;color:#5c6670;font-family:dinoffcpro;margin:0 10px 0 50px;display:inline-block;vertical-align:top;position:absolute;top:-45px;margin-left:8px}.summary-color-list .paint-choice .color-list li{width:40px;height:40px;border-radius:50%;border:1px solid transparent;cursor:pointer;transition:all ease-out .3s;margin:0 20px 0 10px;display:inline-block}.summary-color-list .paint-choice .color-list li::after{content:'';position:absolute;width:48px;height:48px;border-radius:50%;margin:-7px -7px;border:3px solid transparent;transition:all .3s ease-out}.summary-color-list .paint-choice .color-list li:hover{opacity:.65}.summary-color-list .paint-choice .color-list li:hover::after{content:'';position:absolute;width:48px;height:48px;border-radius:50%;margin:-7px -7px;border:3px solid #5c6670}.summary-color-list .paint-choice .color-list .current{cursor:default}.summary-color-list .paint-choice .color-list .current:hover{opacity:1}.summary-color-list .paint-choice .color-list .current::after{content:'';position:absolute;width:48px;height:48px;border-radius:50%;margin:-7px -7px;border:3px solid #5c6670}.summary-color-list .paint-choice .color-list .glossy{-webkit-box-shadow:inset -8px -8px 1px 0 rgba(0,0,0,.3),0 5px 15px 0 rgba(0,0,0,.2);-moz-box-shadow:inset -8px -8px 1px 0 rgba(0,0,0,.3),0 5px 15px 0 rgba(0,0,0,.2);box-shadow:inset -8px -8px 1px 0 rgba(0,0,0,.3),0 5px 15px 0 rgba(0,0,0,.2);transition:all .3s ease-out}.summary-color-list .paint-choice .color-list .matte-text{margin-left:60px}.summary-color-list .paint-choice .color-list .matte-color{margin-left:60px}.summary-color-list .paint-choice .color-list .col-a{background-color:#fff;border:1px solid #ddd}.summary-color-list .paint-choice .color-list .col-b{background-color:#fdda4c}.summary-color-list .paint-choice .color-list .col-c{background-color:#fa9343}.summary-color-list .paint-choice .color-list .col-d{background-color:#f73b23}.summary-color-list .paint-choice .color-list .col-e{background-color:#5190cd}.summary-color-list .paint-choice .color-list .col-f{background-color:#72767a}.summary-color-list .paint-choice .color-list .col-g{background-color:#212121;background-image:linear-gradient(135deg,#4E4E4E 0,#1B1B1B 100%);-webkit-box-shadow:0 5px 15px 0 rgba(0,0,0,.2);-moz-box-shadow:0 5px 15px 0 rgba(0,0,0,.2);box-shadow:0 5px 15px 0 rgba(0,0,0,.2)}.summary-craft{height:994px;background:#fff;text-align:center}.summary-craft .abs-text{width:800px;margin-left:-400px;top:720px}.summary-craft video{margin:0 auto;width:1300px}.summary-motion{height:851px;background:#3c3f41;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-41_d222c6a3.jpg);background-position:center center}.summary-motion .abs-text{left:50%;margin-left:-511px;top:304px;width:430px}.summary-lamp{height:797px;background:#fff;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-42_314142d3.jpg);background-position:center center}.summary-lamp .abs-text{top:250px;margin-left:190px;width:380px}.summary-safe{height:400px;background:#f7f7f7;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-20_1a5c04ea.jpg);background-position:center center}.summary-safe a.link,.summary-safe .title,.summary-safe .content{color:#fff}.summary-safe .abs-text{width:510px;left:50%;top:105px;margin-left:-510px;text-align:center}.summary-version{height:246px}.summary-version .ver-list{text-align:center;width:655px;margin-top:10px;margin-left:auto;margin-right:auto}.summary-version .ver-list li{width:216px;float:left;border-right:1px solid #ccc}.summary-version .ver-list li:last-child{border-right:0}.summary-version .ver-list .ver-img{height:37px;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-28_c84d10c4.png);background-position:center center}.summary-version .ver-list .ver-tit{margin-top:26px;color:#df001f;font-size:16px}.summary-version .ver-list .ver-tit span{font-size:40px;line-height:40px}.summary-version .ver-list .ver-tit a{color:#df001f;font-size:18px}.summary-version .ver-list .li-ver .ver-img{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-28_c84d10c4.png);background-position:15px -46px}.summary-version .ver-list .li-c .ver-img{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-28_c84d10c4.png);background-position:30px -133px}.summary-version .ver-list .li-s .ver-img{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-28_c84d10c4.png);background-position:30px -218px}.summary-version .ver-list .li-pro .ver-img{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-28_c84d10c4.png);background-position:18px -306px}.summary-version .ver-list .li-txt .ver-tit{margin-top:40px}body.modal-open{position:fixed;width:100%;height:100%;overflow:hidden}.modal-backdrop{position:fixed!important;top:0;right:0;bottom:0;left:0;z-index:1040;background-color:#000;opacity:.5;width:100%}.vd-modal{position:fixed!important;top:50%;left:50%;z-index:1050;background-color:#fff;outline:0;width:880px;height:596px;margin-top:-298px;margin-left:-440px}.vd-modal .modal-head{margin:0;font-size:18px;height:0;position:relative;font-weight:400}.vd-modal .modal-close{position:absolute;z-index:9999;top:20px;margin:0;padding:0;font-size:30px;cursor:pointer;background:0 0;top:6px;right:10px;width:44px;height:44px;outline:0;color:#fff;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-40_2f72a661.png);background-position:center center}.summary-battery-par{height:258px;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-39_12e69273.jpg);background-position:center center}.summary-battery-par .par-list{width:1170px;margin-left:auto;margin-right:auto;text-align:center}.summary-battery-par li{float:left;width:390px}.summary-battery-par .par-tit{font-size:18px;color:#f7f7f7;margin-top:60px}.summary-battery-par .par-num{font-size:80px;line-height:80px;color:#df001f}.summary-battery-par .par-unit{font-size:18px;line-height:20px;margin-top:10px;color:#df001f}.m-style .summary-head{height:8.5rem}.m-style .summary-head video{width:15.1rem;position:absolute;left:50%;top:0;margin-left:-7.5rem}.m-style .summary-head .abs-text{width:5.4rem;margin-left:-2.6rem;top:2rem;background-size:contain;background-position:center 0;padding-top:2.88rem}.m-style .summary-head h1{font-size:.43rem}.m-style .summary-design{height:10rem}.m-style .summary-design .img-list{height:10rem}.m-style .summary-design .img-list li{background-size:auto 10rem}.m-style .summary-design .img-list .img-a,.m-style .summary-design .img-list .img-b,.m-style .summary-design .img-list .img-c,.m-style .summary-design .img-list .img-d,.m-style .summary-design .img-list .img-e{background-position:-10.5rem center}.m-style .summary-design .title{margin-top:0}.m-style .summary-design .abs-text{height:1rem;margin-left:-3.22rem;top:.35rem}.m-style .summary-design .nav-rect{width:2.41rem;margin-left:-.7rem;bottom:.6rem}.m-style .summary-design .nav-rect li{width:.2rem;height:.2rem;margin-right:.1rem}.m-style .summary-battery{height:13rem;background-size:auto 10rem;background-position:center bottom;background-color:#161616}.m-style .summary-battery .content{width:80%;margin-left:auto;margin-right:auto}.m-style .summary-battery-par{height:3rem;background:#121212}.m-style .summary-battery-par .par-list{width:100%}.m-style .summary-battery-par .par-tit{font-size:.28rem;margin-top:.6rem}.m-style .summary-battery-par .par-num{font-size:.8rem;line-height:1}.m-style .summary-battery-par li{width:33%}.m-style .summary-craft{height:11rem}.m-style .summary-craft video{width:12rem;position:absolute;left:50%;margin-left:-6rem;top:0rem}.m-style .summary-craft .abs-text{width:100%;top:auto;bottom:1rem;margin-left:0;left:0}.m-style .summary-motion{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-50_1f390567.jpg);background-position:center bottom;height:14rem;background-size:auto 10rem;background-color:#323337}.m-style .summary-motion .abs-text{left:0;margin-left:0;width:100%;top:1rem;text-align:center}.m-style .summary-motion .content{width:90%;margin-left:auto;margin-right:auto}.m-style .summary-lamp{height:9rem;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-49_7c7578fa.jpg);background-position:center bottom;background-color:#fff;background-size:contain}.m-style .summary-lamp .abs-text{left:0;margin-left:0;width:100%;top:0rem;text-align:center}.m-style .summary-lamp .content{width:90%;margin-left:auto;margin-right:auto}.m-style .summary-system{height:11.5rem;background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/s-51_03116efd.jpg);background-position:center bottom;background-color:#fff;background-size:contain}.m-style .summary-system .abs-text{left:0;margin-left:0;width:100%;top:1rem;text-align:center}.m-style .summary-system .content{width:90%;margin-left:auto;margin-right:auto}.m-style .summary-color-list{height:9rem}.m-style .summary-color-list .img-list{top:.6rem;margin-left:-47vw;width:100vw}.m-style .summary-color-list .img-list li img{width:100vw}.m-style .summary-color-list .paint-choice{top:6rem;margin-left:-1.7rem;width:4.5rem}.m-style .summary-color-list .paint-choice .color-list{padding:0}.m-style .summary-color-list .paint-choice .color-list .paint-type{top:initial;left:initial;font-size:.34rem;line-height:2.5;margin-left:-1.1rem;margin-top:.22rem;display:table}.m-style .summary-color-list .paint-choice .color-list li{width:.7rem;height:.7rem;border-width:0;margin:.32rem .32rem 0 .1rem}.m-style .summary-color-list .paint-choice .color-list li::after{width:.9rem;height:.9rem;margin:-.1rem -.1rem;border-width:.05rem}.m-style .summary-color-list .paint-choice .color-list li:hover::after{width:.9rem;height:.9rem;margin:-.1rem -.1rem}.m-style .summary-color-list .paint-choice .color-list .current::after{width:.9rem;height:.9rem;margin:-.1rem -.1rem}.m-style .summary-color-list .paint-choice .color-list .matte-text{margin-left:-1.1rem;margin-top:.25rem}.m-style .summary-color-list .paint-choice .color-list .matte-color{margin-left:.11rem;display:block}.m-style .summary-version{height:2.46rem}.m-style .summary-version .ver-list{width:100%;margin-top:.1rem}.m-style .summary-version .ver-list li{width:30%}.m-style .summary-version .ver-list .li-s .ver-img{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/mb-17_40d62e1b.png);background-position:center center;background-size:auto .4rem}.m-style .summary-version .ver-list .li-pro{width:40%}.m-style .summary-version .ver-list .li-pro .ver-img{background-repeat:no-repeat;background-image:url(//global.niucache.com/static/i18n/widget/en/product/m-series/img/mb-18_9294db64.png);background-position:center center;background-size:auto .4rem}.m-style .summary-version .ver-list .li-txt .ver-tit{margin-top:.4rem}.m-style .summary-version .ver-list .li-txt .ver-img{height:0}.m-style .summary-version .ver-list .ver-tit{font-size:.2rem}.m-style .summary-version .ver-list .ver-tit span{font-size:.4rem;line-height:1}