.text_overflow{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.content_main{position:fixed;top:.98rem;left:0;bottom:0;overflow-y:scroll;width:100%;height:auto;-webkit-overflow-scrolling:touch}
body,html{margin:0;padding:0;font-family:PingFang SC}
a{display:block;text-decoration:none}
.nav_top,.nav_top .logo_wrapper{display:-webkit-box;display:-ms-flexbox}
li{list-style:none}
.nav_top{position:fixed;left:0;top:0;right:0;background:rgba(0,0,0,.8);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);height:56px;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;z-index:999}
.nav_top .logo_wrapper{display:flex;-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding-left:55px}
.nav_top .logo_wrapper .logo_part{width:1px;height:30px;background-color:#fff;margin:0 13px}
.nav_top .logo_wrapper .logo_img{width:52px}
.nav_top .logo_wrapper .logo_img img{width:100%}
.header{padding-top:56px;-webkit-box-sizing:border-box;box-sizing:border-box}
.header .header_video{max-height:800px;min-width:1200px;background:#000;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:c;-ms-flex-pack:c;justify-content:c}
.header .header_video .header_video_box{height:100%;width:100%}
.header .header_video .header_video_box video{width:100%;display:block}
.main{width:1200px;margin:0 auto}
.main .main_technique{padding-top:132px}
.main .main_technique .main_technique_font .main_technique_font_title{font-style:normal;font-weight:600;font-size:48px;line-height:58px;color:#222;text-align:center;margin-bottom:16px}
.main .main_technique .main_technique_font .main_technique_font_text{margin:0 auto 32px;width:720px;height:66px;font-size:18px;line-height:22px;text-align:center;color:#444}
.main .main_technique .main_technique_news{width:100%;height:200px;padding-top:32px}
.main .main_technique .main_technique_news .main_technique_news_box{width:100%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}
.main .main_technique .main_technique_news .main_technique_news_box .main_technique_news_box_list{-webkit-box-flex:1;-ms-flex:1;flex:1;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-sizing:border-box;box-sizing:border-box;border-left:1px solid #d5d5d5}
.main .main_technique .main_technique_news .main_technique_news_box .main_technique_news_box_list:nth-child(1){border:none}
.main .main_technique .main_technique_news .main_technique_news_box .main_technique_news_box_list .main_technique_news_box_list_svg{margin-bottom:8px}
.main .main_technique .main_technique_news .main_technique_news_box .main_technique_news_box_list .main_technique_news_box_list_text{font-size:18px;line-height:25px;color:#222}
.main .main_technique .main_technique_brief{padding-top:48px}
.main .main_ces,.main .main_here{padding-top:128px}
.main .main_technique .main_technique_brief .main_technique_brief_title{margin-bottom:32px;font-size:24px;line-height:22px;text-align:center;color:#222}
.main .main_technique .main_technique_brief .main_technique_brief_img{width:100%}
.main .main_ces .main_ces_title{margin-bottom:8px;font-weight:600;font-size:48px;line-height:58px;color:#222;text-align:center}
.main .main_ces .main_ces_text{margin-bottom:32px;font-size:18px;line-height:22px;text-align:center;color:#444}
.main .main_ces .main_ces_img{width:100%;position:relative}
.main .main_ces .main_ces_img img{width:100%}
.main .main_ces .main_ces_img .main_ces_img_animation_box{position:absolute;left:50%;top:50%;margin-top:-24px;margin-left:-24px;width:48px;height:48px;-webkit-transition:.3s;transition:.3s}
.main .main_ces .main_ces_img .main_ces_img_animation_box .main_ces_img_animation{position:absolute;left:50%;top:50%;margin-left:-12px;margin-top:-12px;width:24px;height:24px;background:rgba(255,255,255,.5);z-index:999;-webkit-box-shadow:0 0 8px rgba(0,0,0,.2);box-shadow:0 0 8px rgba(0,0,0,.2);-webkit-transform-origin:center center;transform-origin:center center;-webkit-animation:ces 2s infinite;animation:ces 2s infinite;border-radius:50%}
@-webkit-keyframes ces{0%{-webkit-transform:scale(1);transform:scale(1);background:rgba(255,255,255,.5)}
100%{-webkit-transform:scale(1.3);transform:scale(1.3);background:rgba(255,255,255,0)}
}
@keyframes ces{0%{-webkit-transform:scale(1);transform:scale(1);background:rgba(255,255,255,.5)}
100%{-webkit-transform:scale(1.3);transform:scale(1.3);background:rgba(255,255,255,0)}
}
.main .main_ces .main_ces_img .main_ces_img_animation_box .main_ces_img_animation_center{position:absolute;width:16px;height:16px;left:50%;top:50%;z-index:99;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);background-color:#fff;border-radius:50%}
.main .main_ces .main_ces_img .main_ces_img_animation_s{cursor:pointer}
.main .main_ces .main_ces_img .main_ces_img_animation_s:hover .main_ces_img_animation_box{-webkit-transform:scale(1.2);transform:scale(1.2)}
.main .main_ces .main_ces_img .main_ces_img_animation_s a{position:absolute;left:0;top:0;right:0;bottom:0;z-index:99}
.main .main_ces .main_ces_img .main_ces_img_animation_chu:hover .main_ces_img_animation_box{-webkit-transform:scale(1.2);transform:scale(1.2)}
.main .main_ces .main_ces_img .main_ces_img_animation_puductor{position:absolute;left:178px;top:219px;width:120px;height:264px}
.main .main_ces .main_ces_img .main_ces_img_animation_be{position:absolute;width:134px;height:300px;left:342px;top:206px}
.main .main_ces .main_ces_img .main_ces_img_animation_ha{left:494px;top:120px;position:absolute;width:100px;height:210px}
.main .main_ces .main_ces_img .main_ces_img_animation_chu{cursor:pointer;left:485px;top:337px;position:absolute;width:267px;height:215px}
.main .main_ces .main_ces_img .main_ces_img_animation_chu:hover .main_ces_img_animation_chu_tips{display:block}
.main .main_ces .main_ces_img .main_ces_img_animation_chu .main_ces_img_animation_chu_tips{position:absolute;bottom:-65px;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);height:50px;width:311px;display:none}
.main .main_ces .main_ces_img .main_ces_img_animation_chu .main_ces_img_animation_chu_tips img{width:100%}
.main .main_ces .main_ces_img .main_ces_img_animation_chu .main_ces_img_animation_chu_tips .main_ces_img_animation_chu_tips_text{position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-42%);transform:translate(-50%,-42%);white-space:nowrap;font-size:24px;line-height:34px;color:#fff}
.main .main_ces .main_ces_img .main_ces_img_animation_san{left:750px;top:47px;position:absolute;width:100px;height:174px}
.main .main_ces .main_ces_img .main_ces_img_animation_hu{left:760px;top:235px;position:absolute;width:110px;height:280px}
.main .main_ces .main_ces_img .main_ces_img_animation_song{left:879px;top:215px;position:absolute;width:136px;height:268px}
.main .main_here .main_here_title{margin-bottom:16px;font-weight:600;font-size:48px;line-height:58px;text-align:center;color:#222}
.main .main_here .main_here_text{font-size:18px;line-height:22px;color:#444;width:720px;margin:0 auto 32px;text-align:center}
.main .main_here .main_here_img_box{min-height:888px}
.main .main_here .main_here_img_box .main_here_img_box_t{min-height:424px;margin-bottom:16px;-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}
.about_us,.about_us .about_us_main{display:-webkit-box;display:-ms-flexbox}
.main .main_here .main_here_img_box .main_here_img_box_t .main_here_img_box_t_l{width:592px;background:#000;height:424px}
.main .main_here .main_here_img_box .main_here_img_box_t .main_here_img_box_t_l img{width:100%}
.main .main_here .main_here_img_box .main_here_img_box_t .main_here_img_box_t_r{width:592px;background:#000;height:424px}
.main .main_here .main_here_img_box .main_here_img_box_t .main_here_img_box_t_r img{width:100%}
.main .main_here .main_here_img_box .main_here_img_box_b{min-height:448px;display:-webkit-box;display:-ms-flexbox;display:flex;position:relative}
.main .main_here .main_here_img_box .main_here_img_box_b .main_here_img_box_b_left{height:126px;font-size:32px;line-height:42px;color:#444;position:absolute;left:184px;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%)}
.main .main_here .main_here_img_box .main_here_img_box_b .main_here_img_box_b_left .main_here_img_box_b_left_svg{width:25px}
.main .main_here .main_here_img_box .main_here_img_box_b .main_here_img_box_b_left .main_here_img_box_b_left_svg img{width:100%}
.main .main_here .main_here_img_box .main_here_img_box_b .main_here_img_box_b_right{width:100%;height:424px;background:#000}
.main .main_here .main_here_img_box .main_here_img_box_b .main_here_img_box_b_right img{width:100%}
.about_us{margin-top:128px;background:#f9fafb;height:492px;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}
.about_us .about_us_main{width:1200px;margin:0 auto;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}
.about_us .about_us_main .about_us_main_left{width:231px;margin-right:102px}
.about_us .about_us_main .about_us_main_left img,.footer{width:100%}
.about_us .about_us_main .about_us_main_right{display:-webkit-box;display:-ms-flexbox;display:flex;width:720px;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:start;-ms-flex-align:start;align-items:flex-start;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}
.about_us .about_us_main .about_us_main_right .about_us_main_right_title{margin-bottom:14px;font-weight:600;font-size:48px;line-height:58px;color:#222}
.about_us .about_us_main .about_us_main_right .main_here_img_box_b_right_text{font-size:18px;line-height:22px;color:#444}
.footer{position:relative;z-index:999;float:left;padding:48px 0 38px;background-color:#1b1c1f;color:#6A6A6A;font-size:12px;margin-top:200px}
.footer .footer_main{position:relative;width:1200px;padding-top:76px;margin:0 auto;overflow:hidden}
.footer .footer_main .footer_logo{position:absolute;left:50%;top:0;margin-left:-10px;width:21px;height:28px}
.footer .footer_main .footer_line{float:left;width:100%;height:1px;background-color:#4a4a4a}
.footer .footer_main .footer_nav{float:left;width:100%;margin:48px 0 40px}
.footer .footer_main .footer_nav li{float:left;width:190px;min-height:220px;margin-right:16px;text-align:left}
.footer .footer_main .footer_nav li>p{color:#fff}
.footer .footer_main .footer_nav li>p>a{color:#fff;margin-top:0}
.footer .footer_main .footer_nav li a{display:block;margin-top:20px;color:#6a6a6a}
.footer .footer_main .footer_nav li a:hover{color:#0064e6}
.footer .footer_main .footer_nav li:last-child{margin-right:0}
.footer .footer_main .footer_nav_ae,.footer .footer_main .footer_nav_ae li{float:right}
.footer .footer_main .footer_media{float:left;width:100%;height:22px;line-height:22px;margin-bottom:20px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}
.footer .footer_main .footer_media .footer_contant{position:relative;float:left;margin-right:86px}
.footer .footer_main .footer_media .footer_contant svg{width:22px;height:22px;vertical-align:bottom}
.footer .footer_main .footer_media .footer_contant span{padding-left:18px}
.footer .footer_main .footer_media>ul li{position:relative;float:left;margin-left:18px;width:22px;height:22px}
.footer .footer_main .footer_media>ul li>a{display:inline-block;width:100%;height:100%}
.footer .footer_main .footer_media>ul li svg path{fill:#7c7c7c}
.footer .footer_main .footer_media>ul li:hover svg path{fill:#0064e6}
.footer .footer_main .footer_media>ul li.footer_media_weixi img{position:absolute;right:-41px;top:-118px;width:104px;height:104px;display:none}
.footer .footer_main .footer_media>ul li.footer_media_weixi:hover img{display:block}
.footer .footer_main .footer_media>ul li.footer_media_tiktok img{position:absolute;right:0;top:-118px;width:104px;height:104px;display:none}
.footer .footer_main .footer_media>ul li.footer_media_tiktok:hover img{display:block}
.footer .footer_main .footer_media>ul li.footer_media_linked{width:84px}
.footer .footer_main .footer_end{float:left;width:100%;margin-top:20px;height:20px;line-height:20px}
.footer .footer_main .footer_end .fl,.footer .footer_main .footer_end .fl a{color:#6a6a6a}
.footer .footer_main .footer_end .fl a:hover{color:#0064e6;border-bottom:1px solid #0064e6}
.footer .footer_main .footer_end .nav_languge{float:right;color:#fff}
.footer .footer_main .footer_end .nav_languge svg{width:20px;height:20px;cursor:pointer}
.footer .footer_main .footer_end .nav_languge span{float:right;padding-left:10px}
.footer .footer_link{float:left;width:100%;margin-top:44px}
.footer .footer_link li{float:left;margin:0 24px 10px 0;height:12px;line-height:12px}
.footer .footer_link li>a{color:#6a6a6a}
.footer .footer_link li>a:hover{color:#0064e6}
.EN .footer_end>div>span{display:none}