@charset "utf-8";
*{margin:0;padding:0;border:0;font-size:14px;background:transparent;font-family:"Microsoft YaHei","微软雅黑";}
body{position: relative;}
ul,li{list-style: none;}
a{text-decoration: none;cursor: pointer; color: #ccc;}
em,i{font-style: normal;}
.fl{float: left;}
.fr{float: right;}
.clearfix {*zoom: 1;}
.w1180{width: 1180px;margin: 0 auto;}
.w1200{width: 1200px;margin: 0 auto;}
.clearfix:after{display: block;content: " ";height: 0;visibility: hidden;clear: both;}

.banner{height: 530px;overflow: hidden;}
.banner ul li{height: 530px;background-repeat: no-repeat;background-position: center top;}
.banner ul li a{display:block;width:170px;height:60px;margin-top: 330px;float: left;margin-right:30px;}
.banner .swiper-button-prev{left:40px;}
.banner .swiper-button-next{right:40px;}

.nav_s{height: 154px;overflow: hidden;background: #f8f6f5;}
.nav_s a{display: inline-block;width: 281px;height: 130px;color: #878787;text-align: center;font-size: 16px;margin-right: 14px;background: #fff;margin-top: 12px;}
.nav_s a:last-child{margin-right: 0;}
.nav_s a span{font-size: 14px;color: #797979;}
.nav_s a p{font-size: 18px;color: #000000;}
.nav_s a img{margin: 12px auto -12px;}
.nav_s a:hover{box-shadow: 0 12px 12px rgba(0,0,0,.1);}

.title_1{font-size: 36px;text-align: center;color: #333;padding-top: 60px;}
.title_1 span{color: #ff8000;font-size: 36px;}
.title_1 p{font-size: 16px;color: #808080;padding-top: 22px;}

.lay_1{overflow: hidden;height: auto;padding-bottom:50px;}
.lay_1 .fl{padding: 60px 0 0 48px;}
.lay_1 .fl .box span{font-size: 24px;display: block;color: #000000;}
.lay_1 .fl .box p{font-size: 18px;color: #6c6c6c;padding: 12px 0 22px;}
.lay_1 .fl .box .bot{padding: 30px 0 0 48px;}
.lay_1 .fl .bot a{display: inline-block;width: 164px;height: 54px;line-height: 54px;text-align: center;color: #fff;border-radius: 6px;background: #ff7a38;font-size: 20px;font-weight: bold;}
.lay_1 .fl .bot a:last-child{width: 162px;height: 52px;line-height: 52px;border: 1px solid #ff7a38;color: #ff7a38;background: none;margin-left: 28px;}
.lay_1 .fr{display: block;margin: 20px 10px 0 0;}

.lay_2{overflow: hidden;height: auto;padding-bottom:50px;background: #f9f9f9;}
.lay_2 .fl{display: block;margin: 40px 0 0 30px;}
.lay_2 .fr{padding: 90px 54px 0 0;}
.lay_2 .fr .box span{font-size: 24px;display: block;color: #000000;}
.lay_2 .fr .box p{font-size: 18px;color: #6c6c6c;padding: 12px 0 22px;}
.lay_2 .fr .box .bot{padding: 30px 0 0 48px;}
.lay_2 .fr .bot a{display: inline-block;width: 164px;height: 54px;line-height: 54px;text-align: center;color: #fff;border-radius: 6px;background: #ff7a38;font-size: 20px;font-weight: bold;}
.lay_2 .fr .bot a:last-child{width: 162px;height: 52px;line-height: 52px;border: 1px solid #ff7a38;color: #ff7a38;background: none;margin-left: 28px;}


.floor_bk{height: auto;overflow: hidden;padding-bottom: 20px;}
.floor_bk .tit{font-size: 38px;color: #1a1a1a;text-align: center;}
.floor_bk ul li{
    float: left;
    width: 280px;
    box-shadow: 0 0 20px 0 rgba(0,0,0,.2);
    border-radius: 10px;
    margin-top: 40px;
    overflow: hidden;
    margin-right: 20px;
}
.floor_bk ul li:last-child{margin-right: 0;}
.floor_bk .bk_top span{height: 64px;display: block;line-height: 64px;color: #ff3c22;font-size: 28px;text-align: center;font-weight: bold;padding-top: 10px;}
.floor_bk .bk_top p{font-size: 14px;color: #252525;text-align: center;margin-bottom: 26px;}
.floor_bk .top_2 span{color: #ff9232;}
.floor_bk .top_3 span{color: #37ca8e;}
.floor_bk .top_4 span{color: #4b95f1;}
.floor_bk .bk_bot{margin: 0 auto;border-top: 1px solid #e2e2e2;padding-top: 26px;}
.floor_bk .bk_bot em{font-size: 16px;font-weight: bold;text-align: center;display: block;color: #3e3e3e;margin: 0 auto 20px;}
.floor_bk .bk_bot i{display: inline-block;font-size: 14px;color: #404040;height: 21px;line-height: 21px;margin-bottom: 16px;padding-left: 40px;margin-left: 48px;}
.floor_bk .bk_bot .f1_1{background: url(../images/fbk1_1.png) left center no-repeat}
.floor_bk .bk_bot .f1_2{background: url(../images/fbk1_2.png) left center no-repeat}
.floor_bk .bk_bot .f1_3{background: url(../images/fbk1_3.png) left center no-repeat}
.floor_bk .bk_bot .f1_4{background: url(../images/fbk1_4.png) left center no-repeat}
.floor_bk .bk_bot .f2_1{background: url(../images/fbk2_1.png) left center no-repeat}
.floor_bk .bk_bot .f2_2{background: url(../images/fbk2_2.png) left center no-repeat}
.floor_bk .bk_bot .f2_3{background: url(../images/fbk2_3.png) left center no-repeat}
.floor_bk .bk_bot .f2_4{background: url(../images/fbk2_4.png) left center no-repeat}
.floor_bk .bk_bot .f3_1{background: url(../images/fbk3_1.png) left center no-repeat}
.floor_bk .bk_bot .f3_2{background: url(../images/fbk3_2.png) left center no-repeat}
.floor_bk .bk_bot .f3_3{background: url(../images/fbk3_3.png) left center no-repeat}
.floor_bk .bk_bot .f3_4{background: url(../images/fbk3_4.png) left center no-repeat}
.floor_bk .bk_bot .f4_1{background: url(../images/fbk4_1.png) left center no-repeat}
.floor_bk .bk_bot .f4_2{background: url(../images/fbk4_2.png) left center no-repeat}
.floor_bk .bk_bot .f4_3{background: url(../images/fbk4_3.png) left center no-repeat}
.floor_bk .bk_bot .f4_4{background: url(../images/fbk4_4.png) left center no-repeat}
.floor_bk .bk_bot a{
    display: block;width: 98px;height: 34px;border:2px solid #ff6652;font-size: 14px;text-align: center;color: #fff;
    line-height: 34px;
    margin-top: 24px;
    border-radius: 5px;
    color: #ff6652;
    font-weight: bold;
}
.floor_bk .bk_bot a.ml27{margin-left: 10px;width: 98px;height: 34px;border-radius: 5px;background: none;line-height: 34px;background: #ff6652;color: #fff;}
.floor_bk .bot_2 a{border:2px solid #ff9232;color: #ff9232}
.floor_bk .bot_2 a.ml27{background: #ff9232;}
.floor_bk .bot_3 a{border:2px solid #37ca8e;color: #37ca8e}
.floor_bk .bot_3 a.ml27{background: #37ca8e;}
.floor_bk .bot_4 a{border:2px solid #4b95f1;color: #4b95f1}
.floor_bk .bot_4 a.ml27{background: #4b95f1;}
.floor_bk ul li:nth-child(5) .bot_2 a{margin-top: 60px;}
.floor_bk ul li:nth-child(4) .bot_1 i{margin-left: 18px;}
.floor_bk ul li:nth-child(5) .bot_2 i{margin-left: 18px;}
.floor_bk ul li:nth-child(6) .bot_3 i{margin-left: 0;}
.floor_bk .bot_4 i{margin-left: 38px;}

.floor_1{background: url(../images/fl1_bg.jpg) top center no-repeat;height: 754px;margin-top: 112px;}
.floor_1 .title_1{color: #fff;padding-top: 84px;}
.floor_1 .title_1 p{color: #fff;padding-top: 16px;}
.floor_1 ul{padding-top: 45px;}
.floor_1 ul li{
    display:block;height: 80px;text-align: center;margin-bottom: 30px;background: #fff;}
.floor_1 ul li img{display: block;margin: 28px auto 5px;}
.floor_1 ul li span{
    font-size: 24px;color: #ff6420;
    display: inline-block;
    margin-bottom: 18px;
    height: 44px;
    line-height: 44px;
}
.floor_1 ul li:first-child span{

}
.floor_1 ul li:nth-child(2){
    height: 230px;
    line-height: 120px;
}

.floor_1 ul li:nth-child(3) span{
    padding-left: 20px;
}

.floor_1 ul li p{
    line-height: 30px;
    font-size: 16px;
    color: #626262;
}
.floor_1 ul li:nth-child(2) p{
    margin: 0;
    padding: 0;
}

.floor_1 .a_1 a{width: 282px;height: 60px;background: #ff7327;font-size: 22px;color: #fff!important;text-align: center;line-height: 60px;border-radius: 5px;display: block;margin: 50px auto;}

.btn{display: block;width: 230px;height: 60px;background: url(../images/btn.png) center center no-repeat;font-size: 20px;color: #fff!important;text-align: center;line-height: 60px;margin: 0 auto;border-radius: 50px;}

.floor_2{height: auto;overflow: hidden;background: #f7f7f7;padding-bottom: 70px;}
.floor_2 .text{float: left;height: auto;overflow: hidden;margin: 48px 0 48px 147px;}
.floor_2 .text:nth-child(2){margin-left: 284px;}
.floor_2 .text:nth-child(3){margin-left: 296px;}
.floor_2 .text span{display: block;font-size: 36px;color: #ff8000;background: url(../images/fl2_jt.png) right center no-repeat;color:#ff8000;padding-right: 24px;}
.floor_2 .text p{font-size: 16px;color: #333;margin: 15px 0 0 5px;}
.floor_2 .text:nth-child(3) p{margin-left: 11px;}
.floor_2 ul{background: url(../images/fl2_bg.jpg) center 198px no-repeat;clear: both;}
.floor_2 ul li{float: left;width: 380px;height: 200px;background: #fff;border-radius: 10px;margin-bottom: 30px;border:1px solid #fff;margin-left: 109px;}
.floor_2 ul li:hover{border: 1px solid #fa8000;}
.floor_2 ul li:nth-child(2){margin-left: 198px;}
.floor_2 ul li:nth-child(3){margin-left: 20px;}
.floor_2 ul li:nth-child(4){margin-left: 380px;}
.floor_2 ul li:nth-child(5){margin-left: 110px;}
.floor_2 ul li:nth-child(6){margin-left: 200px;}
.floor_2 ul li img{float: left;margin: 30px 20px 0 40px;}
.floor_2 .fl{width: 290px;}
.floor_2 ul li .fl em{display: block;font-size: 22px;color: #000;padding: 30px 0 15px 0;}
.floor_2 ul li .fl p{color: #999;padding-bottom: 28px;}
.floor_2 ul li .fl div{float:left;margin-right: 22px;width: 71px;}
.floor_2 ul li .fl div span{margin-bottom: 13px;color: #333;display: block;}
.floor_2 ul li .fl div:last-child{margin-right: 0;}

.floor_3 img{display: block;margin:52px auto 66px;}

.floor_4{height: 700px;background: url(../images/fl4_bg.jpg) center top no-repeat;background-size: cover;}
.floor_4 .title_1,.floor_4 .title_1 p{color: #fff;}
.floor_4 ul{margin: 0 auto;width: 1170px;}
.floor_4 ul li{width: 195px;height: 360px;float: left;background-image: url(../images/fl4_1.jpg);margin-top: 60px;position: relative;background-position: center top;background-repeat: no-repeat;background-size:cover;    transition: .5s;-ms-transition: .5s;-moz-transition: .5s;-webkit-transition: .5s;-o-transition: .5s;margin-bottom: 30px;}
.floor_4 ul li:hover{height: 380px;margin-top: 48px;}
.floor_4 ul li:hover span img{margin-top: 146px;}
.floor_4 ul li:nth-child(2){background-image: url(../images/fl4_2.jpg);}
.floor_4 ul li:nth-child(3){background-image: url(../images/fl4_3.jpg);}
.floor_4 ul li:nth-child(4){background-image: url(../images/fl4_4.jpg);}
.floor_4 ul li:nth-child(5){background-image: url(../images/fl4_5.jpg);}
.floor_4 ul li:nth-child(6){background-image: url(../images/fl4_6.jpg);}
.floor_4 ul li span{display: block;width: 100%;height: 100%;position: absolute;top: 0;left: 0;z-index: 1;}
.floor_4 ul li span:hover{background: url(../images/fl4_logo_7.png) center top no-repeat;}
.floor_4 ul li img{margin: 133px auto 16px;display: block;z-index: 5;}
.floor_4 ul li p{text-align: center;font-size: 18px;color: #fff;z-index: 5;}

.floor_5 dl dd{width: 25%;float: left;text-align: center;margin-top: 50px;}
.floor_5 dl dd strong{display: block;font-size: 36px;color: #ff8000;margin-bottom: 12px;}
.floor_5 dl dd p{font-size: 22px;color: #333;}
.floor_5 ul li{width: 358px;height: 268px;float: left;border: 1px solid #e6e6e6;border-radius: 10px;margin-left: 50px;margin-top: 48px;}
.floor_5 ul li:first-child{margin-left: 0;}
.floor_5 ul li img{display: block;margin: 28px auto 5px;}
.floor_5 ul li span{display: block;font-size: 22px;color: #333;padding-bottom: 26px;text-align: center;}
.floor_5 ul li p{width: 284px;margin: 0 auto;line-height: 26px;color:#999}

.floor_6{height: auto;overflow: hidden;background: #f5f5f5;margin-top: 85px;padding-bottom: 70px;}
.floor_6 .ul_1 li{float: left;width: 380px;height: 342px;background: #fff;border-radius: 5px;margin-right: 20px;text-align: center;margin-top: 48px;}
.floor_6 .ul_1 li:nth-child(3){margin-right: 0;}
.floor_6 .ul_1 li img{display: block;margin: 32px auto 0;}
.floor_6 .ul_1 li:last-child img{margin-top: 52px;}
.floor_6 .ul_1 li span{display: block;font-size: 22px;color: #333;padding: 24px 0 18px 0;}
.floor_6 .ul_1 li p{color: #666666;text-align: left;padding: 0 30px 20px;line-height: 24px;}
.floor_6 .ul_1 li p b{color: #333333;}
.floor_6 .ul_1 li p em{color: #ff0000;}
.floor_6 .ul_2 li{float: left;margin-right: 42px;margin-top: 30px;}
.floor_6 .ul_2 li:nth-child(8),.floor_6 .ul_2 li:nth-child(16),.floor_6 .ul_2 li:nth-child(24),.floor_6 .ul_2 li:nth-child(32){margin-right: 0;}

.floor_6 .btn{margin-top: 50px;}

.floor_9 ul.no1{width: 1200px;margin: 0 auto;padding-top: 40px;}
.floor_9 ul.no1 li{width: 400px;float: left;}
.floor_9 ul.no1{padding-top: 60px;}
.floor_9 ul.no1 li img{-webkit-transition: all 0.5s ease;-moz-transition: all 0.5s ease;-o-transition: all 0.5s ease;transition: all 0.5s ease;}
.floor_9 ul.no1 li a.img{display: block;width: 340px;height: 130px;overflow: hidden;}
.floor_9 ul.no1 li a:hover{color: #0A6DEE;text-decoration: none;}
.floor_9 ul.no1 li a.more:hover{text-decoration: underline;}
.floor_9 ul.no1 li:hover img{-webkit-transform: scale(1.1);-moz-transform: scale(1.1);-ms-transform: scale(1.1);-o-transform: scale(1.1);transform: scale(1.1);}
.floor_9 ul.no1 li a{display: block;}
.floor_9 ul.no1 li a:hover{text-decoration: underline;}
.floor_9 ul.no1 li p a:hover{text-decoration: none;}
.floor_9 ul.no1 li a.ar_t{font-size: 16px;line-height: 46px;width: 340px;white-space:nowrap;text-overflow:ellipsis;-o-text-overflow:ellipsis;overflow:hidden;}
.floor_9 ul.no1 li span{line-height: 22px;color: #8D8D8D;width: 340px;display: block;}

.floor_9 .xuanx{height: auto;overflow: hidden;border-bottom: 1px solid #7f7f7f;margin-top: 50px;}
.floor_9 .xuanx span{font-size: 18px;text-align: center;width: 132px;color:#242424;padding-bottom: 16px;border-bottom: 4px solid #fff;display: inline-block;margin-right: 20px;cursor: pointer;}
.floor_9 .xuanx span.on{border-bottom: 4px solid #ff7917}
.floor_9 .box{margin-top: 30px;height: 148px;overflow: hidden;position: relative;}
.floor_9 .box ul{position: absolute;top: 0;left: 0;}
.floor_9 .box ul li{float: left;}
.floor_9 .box ul li a{color:#656565;width: 362px;display: block;float: left;margin-bottom: 22px;margin-right: 55px;}
.floor_9 .box ul li:nth-child(3) a,.floor_9 ul li:nth-child(6) a,.floor_9 ul li:nth-child(9) a,.floor_9 ul li:nth-child(12) a,.floor_9 ul li:nth-child(15) a,.floor_9 ul li:nth-child(18) a{margin-right: 0;}
.floor_9 .box ul li a em:nth-child(1){float: left;display: block;color:#656565;width: 250px;text-overflow: ellipsis;white-space: nowrap;overflow: hidden;}
.floor_9 .box ul li a em:nth-child(2){float: right;color:#9c9c9c;}

.news-section{padding-bottom: 60px;}
.news-section .news-cards{display: flex;flex-wrap: wrap;gap: 24px;max-width: 1200px;width: calc(100% - 40px);margin: 36px auto 0;padding: 0;list-style: none;}
.news-section .news-card{flex: 0 0 calc((100% - 48px) / 3);min-width: 0;}
.news-section .news-card-link{display: flex;flex-direction: column;box-sizing: border-box;height: 100%;padding: 28px;background: #fff;border: 1px solid #e8edf3;border-radius: 10px;color: #242424;text-decoration: none;transition: border-color .2s,box-shadow .2s,transform .2s;}
.news-section .news-card-link:hover,.news-section .news-card-link:focus-visible{border-color: #0A6DEE;box-shadow: 0 8px 24px rgba(10,109,238,.08);transform: translateY(-3px);}
.news-section .news-card-link:focus-visible{outline: 2px solid #0A6DEE;outline-offset: 3px;}
.news-section .news-card-title{margin: 0;font-size: 18px;font-weight: 600;line-height: 1.6;min-height: 58px;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 2;overflow: hidden;overflow-wrap: anywhere;}
.news-section .news-card-link:hover .news-card-title{color: #0A6DEE;}
.news-section .news-card-summary{margin: 14px 0 24px;color: #737d8c;font-size: 14px;line-height: 1.8;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 3;overflow: hidden;overflow-wrap: anywhere;}
.news-section .news-card-footer{display: flex;justify-content: space-between;align-items: center;gap: 12px;margin-top: auto;padding-top: 18px;border-top: 1px solid #eef1f5;font-size: 13px;}
.news-section .news-card-footer time{color: #8993a1;}
.news-section .news-card-more{color: #0A6DEE;white-space: nowrap;}
@media (max-width: 900px){.news-section .news-card{flex-basis: calc((100% - 24px) / 2);}}
@media (max-width: 600px){.news-section .news-cards{gap: 16px;margin-top: 24px;}.news-section .news-card{flex-basis: 100%;}.news-section .news-card-link{padding: 22px;}.news-section .news-card-title{min-height: 0;}.news-section{padding-bottom: 40px;}}

.floor_10{overflow:hidden;}
.floor_10 .title{margin-top: 70px;}
.floor_10 ul{overflow: hidden;margin-top:30px;}
.floor_10 ul li{width: 160px;float: left;text-align:center;margin-right: 12px;}
.floor_10 ul li:last-child{margin-right: 0;}
.floor_10 ul li img{display: block;border: 0px solid #e5e5e5;}
.floor_10 ul li p{margin-top: 14px;font-size: 16px;color: #242424;}

.floor_11{overflow:hidden;}
.floor_11 .title{margin-top: 70px;}
.floor_11 ul{overflow: hidden;margin: 40px 0 70px;color: #737373;}
.floor_11 ul li{display: inline-block;margin:0 8px;}
.floor_11 ul li a{font-size: 16px;color: #737373;line-height: 34px;}

.nav-logo{
    font-weight: bolder;
    color: #212121;
    font-size: 28px;
}
.footer-logo{
    font-weight: bolder;
    color: #212121;
    font-size: 30px;
    margin: 22px 0 0 0;
}
.a_xb{display:block;width:200px;height:60px;margin: 60px auto;font-size:22px;color:#fff;background-color:#ff9000;text-align: center;line-height:60px;border-radius:8px;}
.title_1 {
    font-size: 36px;
    color: #333;
    text-align: center;
    padding-top: 52px;
}
.floor_1 ul li{
    float: left;
    text-align: center;
    margin-left: 50px;
    margin-top: 42px;
    position: relative;
    height: auto;
    overflow: hidden;
    width: 360px;
    padding: 20px 0;
    height: 230px;
}
.floor_1 ul li:first-child{margin-left: 0;}
.floor_1 ul li span{
    display: block;
    font-size: 24px;
}

.floor_1 ul li:nth-child(3) span{

}
.floor_1 ul li .bor{border: 1px solid #06b78b;border-top: none;}
.floor_1 ul li:nth-child(2) .bor{border: 1px solid #0a89ea;border-top: none;}
.floor_1 ul li:nth-child(3) .bor{border: 1px solid #ff9000;border-top: none;}
.floor_1 ul li em{display: block;font-size: 18px;color: #01c77f;padding: 24px 0 16px 0;}
.floor_1 ul li:nth-child(2) em{color: #2a65ff;}
.floor_1 ul li:nth-child(3) em{color: #ff9000;}
.floor_1 ul li p{color: #808080;}
.floor_1 ul li .a_1{padding: 30px 0;}
.floor_1 ul li .a_1 a{display: inline-block;width: 130px;height: 40px;background: url(../../images/product/fl1_btn_1.png) center center no-repeat;color: #fff;line-height: 40px;}
.floor_1 ul li:nth-child(2) .a_1 a{background: url(../../images/product/fl1_btn_2.png) center center no-repeat}
.floor_1 ul li:nth-child(3) .a_1 a{background: url(../../images/product/fl1_btn_3.png) center center no-repeat}
.floor_1 ul li .a_1 .a2{margin-left: 20px;width: 128px;height: 38px;border: 1px solid #2cd195;color: #2cd195;background: none;border-radius: 50px;}
.floor_1 ul li:nth-child(2) .a_1 .a2{border: 1px solid #2e73ff;color: #2e73ff;background: none;}
.floor_1 ul li:nth-child(3) .a_1 .a2{border: 1px solid #fb9729;color: #fb9729;background: none;}

.fenxiao_floor_2{}
.fenxiao_floor_2 .title_1{margin-bottom: 74px;}
.fenxiao_floor_2 .title_1 p i{color: #ff3a20;font-size: 16px;}
.fenxiao_floor_2 ul li{height: auto;overflow: hidden;padding-bottom: 60px;}
.fenxiao_floor_2 ul li .fl{margin-left: 75px;}
.fenxiao_floor_2 ul li .fr{margin-right: 40px;}
.fenxiao_floor_2 ul li:nth-child(2n+1){background: #f7f7f7;}
.fenxiao_floor_2 ul li .text span{display: block;font-size: 18px;color: #333;padding-bottom: 14px;}
.fenxiao_floor_2 ul li .text p{color: #999;margin-bottom: 44px;}
.fenxiao_floor_2 ul li .text i{display: inline-block;width: 10px;height: 10px;background-color: #ff9000;border-radius: 10px;color: #ff9000;margin-right: 10px;}
.fenxiao_floor_2 .a_xb{margin: 0;}

.floor_3{height: auto;overflow: hidden;background: #f7f7f7;}
.floor_3 .title_1{padding-bottom: 44px;}
.floor_3 .img_1 img{float: left;margin-left: 40px;display: block;margin-bottom: 40px;}
.floor_3 .img_1 .m0{margin-left: 0;}
.floor_3 a{margin: 10px auto 60px!important;}

.fenxiao_floor_4{background-color: #fff;height: auto;overflow: hidden;padding-bottom: 70px;}
.fenxiao_floor_4 .title_1{
    color: #333;
}
.fenxiao_floor_4 .item{width: 924px;margin: 40px auto;height: auto;overflow: hidden;}
.fenxiao_floor_4 .item p{width: 230px; text-align: center;border-right:#d5d5d5 1px solid;float: left;height: 66px;font-size: 30px;color: #ff0000;font-weight:bold;}
.fenxiao_floor_4 .item p:last-of-type{border: none;}
.fenxiao_floor_4 .item span{display: block;font-size: 18px;color: #8c8c8c;}
.fenxiao_floor_4 ul{height: auto;overflow: hidden;}
.fenxiao_floor_4 li{width: 365px;float: left;background-color: #fff;height:390px;border: #e4e4e4 1px solid;margin-right: 39px;border-radius: 10px;margin-bottom: 40px;}
.fenxiao_floor_4 li:nth-child(3n){margin-right: 0;}
.fenxiao_floor_4 li:hover{border: #ff772d 1px solid;}
.fenxiao_floor_4 li p{text-align: center;font-size: 22px;margin-top: 20px;margin-bottom:15px;}
.fenxiao_floor_4 li span{display: block;padding-left: 30px;line-height: 24px;}
.fenxiao_floor_4 li em{display: block;color: #9b9b9b;padding-left: 30px;margin-top:20px;}
.fenxiao_floor_4 .a_xb{width: 300px;}

.floor_bk{height: auto;overflow: hidden;}
.floor_bk .tit{font-size: 38px;color: #1a1a1a;text-align: center;}
.floor_bk ul{
    display: flex;
}
.floor_bk ul li{
    width: 280px;
    box-shadow: 0 0 20px 0 rgba(0,0,0,.2);
    border-radius: 10px;
    margin-top: 40px;
    overflow: hidden;
    margin-right: 20px;
}
.floor_bk ul li:last-child{margin-right: 0;}
.floor_bk .bk_top span{height: 64px;display: block;line-height: 64px;color: #ff3c22;font-size: 28px;text-align: center;font-weight: bold;padding-top: 10px;}
.floor_bk .bk_top p{font-size: 14px;color: #252525;text-align: center;margin-bottom: 26px;}
.floor_bk .top_2 span{color: #ff9232;}
.floor_bk .top_3 span{color: #37ca8e;}
.floor_bk .top_4 span{color: #4b95f1;}
.floor_bk .bk_bot{
    margin: 0 30px;
    border-top: 1px solid #e2e2e2;
    padding-top:30px;
}
.floor_bk .bk_bot em{font-size:16px;font-weight:bold;text-align:center;display:block;color:#3e3e3e;margin:0 auto 30px;}
.floor_bk .bk_bot i{display: inline-block;font-size: 14px;color: #404040;height: 22px;line-height: 22px;margin-bottom:20px;padding-left: 40px;margin-left:18px;}
.floor_bk .bk_bot .f1_1{background: url(../../images/product/fbk1_1.png) left center no-repeat}
.floor_bk .bk_bot .f1_2{background: url(../../images/product/fbk1_2.png) left center no-repeat}
.floor_bk .bk_bot .f1_3{background: url(../../images/product/fbk1_3.png) left center no-repeat}
.floor_bk .bk_bot .f1_4{background: url(../../images/product/fbk1_4.png) left center no-repeat}
.floor_bk .bk_bot .f2_1{background: url(../../images/product/fbk2_1.png) left center no-repeat}
.floor_bk .bk_bot .f2_2{background: url(../../images/product/fbk2_2.png) left center no-repeat}
.floor_bk .bk_bot .f2_3{background: url(../../images/product/fbk2_3.png) left center no-repeat}
.floor_bk .bk_bot .f2_4{background: url(../../images/product/fbk2_4.png) left center no-repeat}
.floor_bk .bk_bot .f3_1{background: url(../../images/product/fbk4_1.png) left center no-repeat}
.floor_bk .bk_bot .f3_2{background: url(../../images/product/fbk4_2.png) left center no-repeat}
.floor_bk .bk_bot .f3_3{background: url(../../images/product/fbk4_3.png) left center no-repeat}
.floor_bk .bk_bot .f3_4{background: url(../../images/product/fbk4_4.png) left center no-repeat}
.floor_bk .bk_bot .f4_1{background: url(../../images/product/fbk3_1.png) left center no-repeat}
.floor_bk .bk_bot .f4_2{background: url(../../images/product/fbk3_2.png) left center no-repeat}
.floor_bk .bk_bot .f4_3{background: url(../../images/product/fbk3_3.png) left center no-repeat}
.floor_bk .bk_bot .f4_4{background: url(../../images/product/fbk3_4.png) left center no-repeat}

.floor_bk li:last-child .bk_bot{padding-top:20px;}
.floor_bk li:last-child .bk_bot em{margin-bottom: 16px;}

.btn-reg{
    margin: 0 0 30px 0;
    display: flex;
    justify-content: space-between;
}
.zengzhi-item{
    display: flex;
    flex-wrap: wrap;
    gap: 0 20px;
    justify-content: center;
}
.header-nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.version-content{
    height: 250px;
}
