@charset "UTF-8";body{font-family:"PingFang SC","Microsoft YaHei",Alibaba-PuHuiTi-Regular,sans-serif!important;background-color:#000;color:#fff}.K40_cell{position:relative}.K40_bg_group{overflow:hidden;display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;-o-justify-content:center;align-items:center;-webkit-align-items:center;-moz-align-items:center;-ms-align-items:center;-o-align-items:center}.K40_text22{font-size:calc(46 / var(--kniu_vw));letter-spacing:calc(5 / var(--kniu_vw));background-image:linear-gradient(to right,#797979,#fff,#797979)}.K40_text23{line-height:1.8;letter-spacing:calc(.3 / var(--kniu_vw));color:#fff9}.K40_text_list2{padding:calc(30 / var(--kniu_vw)) 0 0}.K40_text_list3{padding:10% 0 0}.K40_tab1{display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;-o-justify-content:center;align-items:flex-start;-webkit-align-items:flex-start;-moz-align-items:flex-start;-ms-align-items:flex-start;-o-align-items:flex-start;margin-top:10%}.K40_tab2{margin-top:5%}.K40_tab_head_group2{z-index:2;position:relative;padding:7% 10% 12% 0}.K40_tab_head_cell1,.K40_tab_head_cell2{padding:calc(5 / var(--kniu_vw)) 0 calc(5 / var(--kniu_vw)) calc(36 / var(--kniu_vw));min-width:calc(82 / var(--kniu_vw));min-height:calc(32 / var(--kniu_vw));text-align:left;letter-spacing:calc(1 / var(--kniu_vw));background-repeat:no-repeat;background-position:left center;background-size:auto 100%;color:#fff9;transition:color .3s;-webkit-transition:color .3s;-moz-transition:color .3s;-ms-transition:color .3s;-o-transition:color .3s}.K40_tab_head_cell1+.K40_tab_head_cell1{margin-top:calc(30 / var(--kniu_vw))}.K40_tab_head_cell2+.K40_tab_head_cell2{margin:0 0 0 calc(30 / var(--kniu_vw))}.K40_tab_head_cell1.kniu_tab_active::after,.K40_tab_head_cell2.kniu_tab_active::after{background-color:transparent}.K40_tab_head_cell1.kniu_tab_active,.K40_tab_head_cell2.kniu_tab_active{color:#fff}.K40_tab_head_cell1:nth-child(1).kniu_tab_active{background-image:url(https://oss.novastar-led.cn/picture/shipinchuli/K40/active0201.png)}.K40_tab_head_cell1:nth-child(2).kniu_tab_active{background-image:url(https://oss.novastar-led.cn/picture/shipinchuli/K40/active0202.png)}.K40_tab_head_cell1:nth-child(3).kniu_tab_active{background-image:url(https://oss.novastar-led.cn/picture/shipinchuli/K40/active0203.png)}.K40_tab_head_cell1:nth-child(4).kniu_tab_active,.K40_tab_head_cell2.kniu_tab_active{background-image:url(https://oss.novastar-led.cn/picture/shipinchuli/K40/active0204.png)}.K40_tab_head1{display:flex;display:-webkit-flex;flex-flow:column;-webkit-flex-flow:column;-moz-flex-flow:column;-ms-flex-flow:column;-o-flex-flow:column;margin-right:calc(60 / var(--kniu_vw))}.K40_tab_head2{display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;-o-justify-content:center;margin-right:calc(-70 / var(--kniu_vw))}.K40_tab_img1{min-width:calc(385 / var(--kniu_vw));max-width:calc(385 / var(--kniu_vw))}.K40_tab_img2{min-width:calc(548 / var(--kniu_vw));max-width:calc(548 / var(--kniu_vw));min-height:calc(835 / var(--kniu_vw));max-height:calc(835 / var(--kniu_vw))}.K40_tab3{position:relative;margin-top:10%;padding-top:10%}.K40_tab_head_group3{position:absolute;top:0;left:0;width:100%}.K40_tab_head3{display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;-o-justify-content:center;align-items:flex-start;-webkit-align-items:flex-start;-moz-align-items:flex-start;-ms-align-items:flex-start;-o-align-items:flex-start;height:calc(260 / var(--kniu_vw));background-image:url(https://oss.novastar-led.cn/picture/shipinchuli/K40/line0701.png);background-repeat:no-repeat;background-position:center calc(70 / var(--kniu_vw) * 1.6);background-size:auto calc(235 / var(--kniu_vw))}.K40_tab_head_cell3+.K40_tab_head_cell3{margin-left:calc(75 / var(--kniu_vw))}.K40_tab_head_cell3:nth-child(1),.K40_tab_head_cell3:nth-child(3){margin-top:calc(25 / var(--kniu_vw))}.K40_tab_img3{height:calc(535 / var(--kniu_vw))}.K40_tab_head_btn31{width:calc(130 / var(--kniu_vw) * 1.6)}.K40_tab_head_btn32{width:calc(134 / var(--kniu_vw) * 1.6)}.K40_tab_head_btn1,.K40_tab_head_cell3.kniu_tab_active .K40_tab_head_btn2{display:none}.K40_tab_head_cell3.kniu_tab_active .K40_tab_head_btn1{display:inline-block}.K40_tab_head_cell3.kniu_tab_active::after{content:none}.K40_tab_head_text3{position:absolute;top:0;left:0;display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;-o-justify-content:center;align-items:center;-webkit-align-items:center;-moz-align-items:center;-ms-align-items:center;-o-align-items:center;width:100%;height:100%;letter-spacing:calc(1 / var(--kniu_vw));color:#fff}.K40_row_group1{margin-top:-10%}.K40_card1>.K40_card_body1{position:absolute;top:0;left:0;padding:calc(50 / var(--kniu_vw)) calc(50 / var(--kniu_vw)) 0;width:100%}.K40_card2>.K40_card_body2{position:absolute;top:0;left:0;padding:calc(170 / var(--kniu_vw)) calc(42 / var(--kniu_vw)) 0;width:100%}.K40_bg6{max-width:none;width:150%}.K40_bg9{max-width:none;width:180%}@media (min-width:calc(1024px - 60px)){.K40_text_group1{position:absolute;top:0;left:0;width:100%;height:100%}.K40_text23{font-size:calc(22 / var(--kniu_vw))}.K40_tab_head_group2{padding:12% 0 0}.K40_tab2{display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;-o-justify-content:center;align-items:flex-start;-webkit-align-items:flex-start;-moz-align-items:flex-start;-ms-align-items:flex-start;-o-align-items:flex-start}.K40_tab3{padding-top:5%}.K40_tab_head1{margin-right:calc(100 / var(--kniu_vw))}.K40_tab_img1{min-width:calc(685 / var(--kniu_vw));max-width:calc(685 / var(--kniu_vw));min-height:calc(430 / var(--kniu_vw));max-height:calc(430 / var(--kniu_vw))}.K40_tab_head2{flex-flow:column;-webkit-flex-flow:column;-moz-flex-flow:column;-ms-flex-flow:column;-o-flex-flow:column}.K40_tab_img2{min-width:calc(848 / var(--kniu_vw));max-width:calc(848 / var(--kniu_vw))}.K40_tab_head3{background-position:center calc(70 / var(--kniu_vw))}.K40_tab_head_cell2+.K40_tab_head_cell2{margin:calc(30 / var(--kniu_vw)) 0 0}.K40_tab_head_cell1,.K40_tab_head_cell2{padding:calc(5 / var(--kniu_vw)) 0 calc(5 / var(--kniu_vw)) calc(23 / var(--kniu_vw))}.K40_tab_head_text3{font-size:calc(20 / var(--kniu_vw))}.K40_tab_head_btn31{width:calc(130 / var(--kniu_vw))}.K40_tab_head_btn32{width:calc(134 / var(--kniu_vw))}.K40_row1{margin:calc(-30 / var(--kniu_vw)) 0 0 calc(-40 / var(--kniu_vw))}.K40_row1>.K40_col1{margin:calc(30 / var(--kniu_vw)) 0 0 calc(40 / var(--kniu_vw));width:calc((100% - 40 / var(--kniu_vw)* 2)/ 2)}.K40_bg6,.K40_bg9{max-width:100%;width:100%}}@media (min-width:calc(1280px - 60px)){.kniu_container{width:calc(100vw - 360 / var(--kniu_vw)* 2)}}@media (min-width:calc(1920px - 60px)){.K40_tab_head_cell1{font-size:calc(17 / var(--kniu_vw))}}