body{min-width:1200px;background:#fff;color:#000;font-size:15px}.h1,.row,blockquote,body,button,dd,dl,dt,fieldset,form,h2,h3,h4,h5,h6,hr,input,legend,li,ol,p,pre,td,textarea,th,ul{margin:0;padding:0}img{border:0;vertical-align:middle}h1,h2,h3,h4,h5,h6{font-weight:400;font-weight:700}li,ol,ul{list-style:none}.lf{float:left}.rt{float:right}.clear{clear:both}@media only screen and (max-width:300px){.bottom_title,.mytitle,body{font-size:10px!important}.viewport{max-width:300px}.top_title,.ztshow2_l_bt{font-weight:700;font-size:12px!important}.top_title{top:10%}.bottom_title{bottom:2%}.con_title span{padding:5px;font-size:14px!important}.con_title{height:4.5rem!important;line-height:4.5rem!important}.new_tit{font-size:12px!important}.new_dei{display:none!important}.myclass img{width:100%}a.current{line-height:34px!important}}@media only screen and (max-width:310px) and (min-width:300px){.bottom_title,.mytitle,.top_title,body{font-size:10px!important}.viewport{max-width:300px}.top_title,.ztshow2_l_bt{font-weight:700;font-size:12px!important}.top_title{top:10%}.bottom_title{bottom:2%}.con_title span{padding:5px;font-size:15px!important}.con_title{height:4.5rem!important;line-height:4.5rem!important}.new_tit{font-size:12px!important}.new_dei{display:none!important}.myclass img{width:100%}a.current{line-height:34px!important}}@media only screen and (max-width:320px) and (min-width:310px){.bottom_title,.mytitle,.top_title,body{font-size:10.66667px!important}.viewport{max-width:320px}.top_title,.ztshow2_l_bt{font-weight:700;font-size:13px!important}.top_title{top:10%}.bottom_title{bottom:2%}.con_title span{padding:6px;font-size:15px!important}.con_title{height:4.5rem!important;line-height:4.5rem!important}.new_tit{font-size:12px!important}.new_dei{display:none!important}.myclass img{width:100%}a.current{line-height:34px!important}}@media only screen and (max-width:360px) and (min-width:320px){.bottom_title,.mytitle,.top_title,body{font-size:10.66667px!important}.viewport{max-width:360px}.ztshow2_l_bt{font-size:15px!important}.top_title{top:10%;font-weight:700;font-size:14px!important}.bottom_title{bottom:2%}.con_title span{padding:6px;font-size:16px!important}.con_title{height:4.5rem!important;line-height:4.5rem!important}.new_tit{font-size:12px!important}.new_dei{display:none!important}.myclass img{width:100%}a.current{line-height:34px!important}}@media only screen and (max-width:360px) and (min-width:350px){.bottom_title,.mytitle,.top_title,body{font-size:12px!important}.viewport{max-width:360px}.ztshow2_l_bt{font-size:15px!important}.top_title{top:10%;font-weight:700;font-size:14px!important}.bottom_title{bottom:2%}.con_title span{padding:8px;font-size:16px!important}.con_title{height:4.5rem!important;line-height:4.5rem!important}.new_tit{font-size:13px!important}.new_dei{display:none!important}.myclass img{width:100%}a.current{line-height:34px!important}}@media only screen and (max-width:480px) and (min-width:360px){.bottom_title,.mytitle,.top_title,body{font-size:12px!important}.viewport{max-width:480px}.ztshow2_l_bt{font-size:18px!important}.top_title{top:10%;font-weight:700;font-size:14px!important}.bottom_title{bottom:2%}.con_title span{padding:8px;font-size:17px!important}.con_title{height:4.5rem!important;line-height:4.5rem!important}.new_tit{font-size:13px!important}.new_dei{display:none!important}.myclass img{width:100%}a.current{line-height:35px!important}}@media only screen and (max-width:480px) and (min-width:470px){.bottom_title,.mytitle,.top_title,body{font-size:15.66667px!important}.viewport{max-width:480px}.top_title,.ztshow2_l_bt{font-size:25px!important}.top_title{top:10%;font-weight:700}.bottom_title{bottom:2%}.con_title span{padding:8px;font-size:17px!important}.con_title{height:4.5rem!important;line-height:4.5rem!important}.new_tit{font-size:14px!important}.new_dei{display:none!important}.myclass img{width:100%}a.current{line-height:35px!important}}@media only screen and (min-width:480px){.bottom_title,.mytitle,.top_title,body{font-size:15.66667px!important}.viewport{max-width:480px}.ztshow2_l_bt{font-size:25px!important}.top_title{top:10%;font-weight:700;font-size:21px!important}.bottom_title{bottom:2%}.myclass img{width:80%}.myline{width:95%!important}}body{font-family:Microsoft YaHei!important}.logo{display:inline-block;padding:0 15px 0 8px}.lbtn:hover{background-color:#0074d7}.navbg{margin-bottom:0;border:0 solid transparent}.topbg{background-color:#0074d7}.ibar>li,ul li a{color:#fff}.ibar>li{float:left}.ibar>li>a{padding-top:15px;padding-bottom:15px}a:hover{text-decoration:none}.cont{text-align:center}.row{margin:auto}.container img,header img{width:100%}header{margin-top:-6px}.video_ban{position:relative;overflow:hidden;width:100%;height:425px;min-width:1200px;background:#ccc}.video_ban video{margin:auto;width:1920px}.video_ban .w_1200,.video_ban video{position:absolute;top:0;right:0;bottom:0;left:0}.video_ban .w_1200{z-index:20;padding-top:150px;color:#fff;text-align:center}.video_ban .w_1200 h2{font-size:58px}.video_ban .w_1200 p{padding-top:10px;font-size:38px}.video_ban .msk{position:absolute;top:0;left:0;z-index:10;width:100%;height:100%;background-color:rgba(0,0,0,.5)}.lb_contents{background-color:#f0f0f0}.portfolio-MjorMenu{margin:auto;padding:70px 0 40px;width:1200px;cursor:pointer}.portfolio-MjorMenu ul li{position:relative;z-index:5;display:inline-block;overflow:hidden;margin:0 10px;width:215px!important;height:40px;-webkit-border-radius:28px;-moz-border-radius:28px;border-radius:28px;background-color:#fff;background-size:130px;color:#8c8c8c;text-align:center;font-weight:400;font-size:14px;line-height:40px;cursor:pointer;-webkit-transition:all .3s ease-out 0s;-moz-transition:all .3s ease-out 0s;-o-transition:all .3s ease-out 0s;transition:all .3s ease-out 0s;-ms-transition:all .3s ease-out 0s}.portfolio-MjorMenu ul li i{position:absolute;top:13px;left:18px;width:18px;height:16px;background-image:url(../picture/tabicons.png);background-repeat:no-repeat;background-position-x:right}.portfolio-MjorMenu ul li.active{background-color:#386bd6;color:#fff;font-weight:700}.portfolio-MjorMenu ul li.active i{background-position-x:left}.grid{overflow:hidden;margin:auto;width:1215px}.grid .grid_item{position:relative;float:left;overflow:hidden;margin-right:15px;margin-bottom:32px;width:390px;height:434px}.grid .grid_item img{width:390px;height:260px}.grid .grid_item .grid_item_jj{position:absolute;right:0;bottom:-70px;left:0;margin:auto;padding:16px;background-color:#fff;transition:.4s}.grid .grid_item .grid_item_jj h6{font-size:22px;line-height:38px}.grid .grid_item .grid_item_jj p{display:-webkit-box;overflow:hidden;height:75px;color:#2e2e2e;text-overflow:ellipsis;font-size:16px;line-height:25px;-webkit-line-clamp:4;-webkit-box-orient:vertical}.grid .grid_item .grid_item_flex{display:flex;margin:20px 0 10px;text-align:center;justify-content:space-around;align-items:center;flex-wrap:wrap}.grid .grid_item .grid_item_jj span{display:inline-block;padding:8px;border-radius:4px;color:#fff;font-size:14px}.grid .grid_item .grid_item_jj span.grid_item_jj_mb1{background:#018afe}.grid .grid_item .grid_item_jj span.grid_item_jj_mb2{background:#fb3d00}.grid .grid_item .grid_item_jj span.grid_item_jj_mb3{background:#31be86}.grid .grid_item .grid_item_jj .grid_item_btn{display:flex;overflow:hidden;padding:20px 38px;justify-content:space-around;align-items:center}.grid .grid_item .grid_item_jj .grid_item_btn a{display:inline-block;width:112px;height:30px;border:1px solid #bfbfbf;text-align:center;line-height:30px;cursor:pointer;transition:.2s}.grid .grid_item .grid_item_jj .grid_item_btn a:hover{border:1px solid transparent;background:linear-gradient(90deg,#3666d2,#4a95f7);color:#fff}.grid .grid_item:hover .grid_item_jj{bottom:0}