*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
}
.certent{
    width: 100%;
    min-width: 1800px;
    margin: 0 auto;
    background-image: url(../img/bj.png);
    /*background-size:100% 100%;*/
	-moz-background-size:100% 100%;
    padding: 0 40px;
    box-sizing: border-box;
    background-repeat: no-repeat;
}
.polar-wrapper{
    min-width: 1800px;
}
.head{
    max-width: 1800px;
    margin: 0 auto;
}
.content{
    max-width: 1800px;
    margin: 0 auto;
}
.ftoor{
    max-width: 1800px;
    margin: 0 auto;
}

@media only screen and (min-width: 1080px) and (max-width: 1800px) {
    .certent{
        width: 100%;
        min-width: 1080px;
    }
    .polar-wrapper{
        width: 100%;
    min-width: 1080px;
    }
}
@media only screen and (min-width: 1300px) and (max-width: 1600px) {
    .zuiqiangyangqi{
        box-sizing: border-box;
        width: 100%;
        height: 410px !important;
        overflow: hidden;
        padding: 10px;
        margin-top: 20px;
        background-color: black;
        display: flex;
        flex-direction: row-reverse;
        align-items: center;
    }
    .zuiqiangyangqi .zqyq1{
        width: 70%;
        height: 100%;
        overflow: hidden;
        float: left;
    }
    .zqyq1 img{
        width: 100%;
        height: 100%;
        overflow: hidden;
    }
    .zuiqiangyangqi .butto{
        width: 30%;
        height: 350px !important;
        overflow: hidden;
        padding: 0 10px 0 20px;
        box-sizing: border-box;
    }
    .zuiqiangyangqi .butto .swiper-up{
        height: 25px;
        text-align: center;
    }
    .zuiqiangyangqi .butto .swiper-down{
        height: 25px;
        text-align: center;
    }
    .zuiqiangyangqi .zqyq2{
        width: 100%;
        height: 300px !important;
        overflow: hidden;
    }
    .zqyq2 img{
        width: 100%;
        height: 100px !important;
        overflow: hidden;
        border: 2px solid #02e888;
        box-sizing: border-box;
    }

}
@media only screen and (min-width: 1080px) and (max-width: 1300px) {
    .zuiqiangyangqi{
        box-sizing: border-box;
        width: 100%;
        height: 340px !important;
        overflow: hidden;
        padding: 10px;
        margin-top: 20px;
        background-color: black;
        display: flex;
        flex-direction: row-reverse;
        align-items: center;
    }
    .zuiqiangyangqi .zqyq1{
        width: 70%;
        height: 100%;
        overflow: hidden;
        float: left;
    }
    .zqyq1 img{
        width: 100%;
        height: 100%;
        overflow: hidden;
    }
    .zuiqiangyangqi .butto{
        width: 30%;
        height: 320px !important;
        overflow: hidden;
        padding: 0 10px 0 20px;
        box-sizing: border-box;
    }
    .zuiqiangyangqi .butto .swiper-up{
        height: 25px;
        text-align: center;
    }
    .zuiqiangyangqi .butto .swiper-down{
        height: 25px;
        text-align: center;
    }
    .zuiqiangyangqi .zqyq2{
        width: 100%;
        height: 270px !important;
        overflow: hidden;
    }
    .zqyq2 img{
        width: 100%;
        height: 90px !important;
        overflow: hidden;
        border: 2px solid #02e888;
        box-sizing: border-box;
    }

}
/* 头部 */
.head .logo{
    display: -webkit-flex;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 50px 60px 30px 60px;
}
.navigation{
    /* display: flex; */
}
.navigation ul{
    flex-grow: 1;
    display: -webkit-flex;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    background: black;
    border-radius: 5px;
}
.navigation li{
    flex-grow: 1;
    text-align: center;
    list-style: none;
    color: aliceblue;
    font-family: 宋体;
    font-variant: 100;
    font-weight: 600;
    line-height: 16px;
}
/* 底部 */
.ftoor{
    width: 100%;
    text-align: center;
}
.ftoor p{
    font-size: 0.5rem;
    opacity: 0.5;
    line-height: 20px;
}
.content{
    display: flex;
}
.content .left{
    width: 24%;
    padding-top: 40px;
}
.content .center{
    width: 38%;
    padding: 40px 0 0 40px;
    box-sizing: border-box;
    
}
.content .right{
    width: 38%;
    padding: 40px 0 0 40px;
    box-sizing: border-box;
}
/* 内容左 */
.content .left .solution .title{
    width: 100%;
    padding: 5px;
    margin-top: 20px;
    background-color: #f6fcfa;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    box-sizing: border-box;
    border-bottom: 2px solid #02e888;
}
.content .left .solution .title h3{
    font-weight: 600;
    font-family: 宋体;
    margin-left: 10px;
}
.content .left .solution .solution-ul li{
    font-size: 13px;
    list-style: none;
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dotted black;
}
.content .left .solution{
    margin-top: 10px;
}
.content .left li:before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 3px;
    background-color: black;
    border-radius: 100%;
    margin-right:5px;
}
.online24{
    width: 100%;
}
.online24 .foot{
    display: -webkit-flex;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    background-color: black;
    color: white;
    padding: 10px;
    margin-top: -4px;
}
.online24 .foot h3{
    font-family: 宋体;
    margin-left: 20%;
}
.online24-1{
    width: 100%;
}
.online24-1 .foot{
    display: -webkit-flex;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    background-color: black;
    color: white;
    padding: 10px;
    margin-top: -4px;
}
.online24-1 .foot h3{
    font-family: 宋体;
    margin-left: 20%;
}
.zuiqiangyangqi{
    box-sizing: border-box;
    width: 100%;
    height: 510px;
    overflow: hidden;
    padding: 10px;
    margin-top: 20px;
    background-color: black;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
}
.zuiqiangyangqi .zqyq1{
    width: 70%;
    height: 100%;
    overflow: hidden;
    float: left;
}
.zqyq1 img{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.zuiqiangyangqi .butto{
    width: 30%;
    height: 470px;
    overflow: hidden;
    padding: 0 10px 0 20px;
    box-sizing: border-box;
}
.zuiqiangyangqi .butto .swiper-up{
    height: 25px;
    text-align: center;
}
.zuiqiangyangqi .butto .swiper-down{
    height: 25px;
    text-align: center;
}
.zuiqiangyangqi .zqyq2{
    width: 100%;
    height: 420px;
    overflow: hidden;
}
.zqyq2 img{
    width: 100%;
    height: 140px;
    overflow: hidden;
    border: 2px solid #02e888;
    box-sizing: border-box;
}
/* 内容中 */
.dynamic-condition .title{
    width: 100%;
    padding: 5px;
    background-color: #f6fcfa;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    box-sizing: border-box;
    border-bottom: 2px solid #02e888;
}
.dynamic-condition .title h3{
    font-weight: 600;
    font-family: 宋体;
    margin-left: 10px;
}
.dynamic-condition .title{
    width: 100%;
    padding: 5px;
    background-color: #f6fcfa;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    box-sizing: border-box;
    border-bottom: 2px solid #02e888;
}
.dynamic-condition .title h3{
    font-weight: 600;
    font-family: 宋体;
    margin-left: 10px;
}
.dynamic-condition {
    

}
.dynamic-condition .nr h3{
    font-size: 1rem;
    font-family: 宋体;
    margin: 10px 10px;
}
.dynamic-condition .nr .clearfix{
    width: 100%;
    border-top: 1px dotted black;
    border-bottom: 1px dotted black;
}

.dynamic-condition .nr .clearfix .clearfix-left{
    width: 50%;
    float: left;
    padding-right: 10px;
    box-sizing: border-box;
}
.dynamic-condition .nr .clearfix .clearfix-left li{
    font-size: 13px;
    list-style: none;
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dotted black;
}
.dynamic-condition .nr .clearfix .clearfix-left li img{
    margin-right: 5px;
}
.dynamic-condition .nr .clearfix .clearfix-right{
    width: 50%;
    float: right;
    padding-left: 10px;
    box-sizing: border-box;
    
}
.dynamic-condition .nr .clearfix .clearfix-right li{
    font-size: 13px;
    list-style: none;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dotted black;
    white-space: nowrap;
    overflow: hidden; 
    text-overflow:  ellipsis;
     -o-text-overflow: ellipsis; 
    -webkit-line-clamp: 1; /* 限制在一个块元素显示的文本的行数 */
    -webkit-box-orient: vertical; /* 垂直排列 */
}
.dynamic-condition .nr .clearfix .clearfix-top{
    width: 100%;

    padding-left: 10px;
    box-sizing: border-box;
    
}
.dynamic-condition .nr .clearfix .clearfix-top li{
    font-size: 13px;
    list-style: none;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dotted black;
    white-space: nowrap;
    overflow: hidden; 
    text-overflow:  ellipsis;
     -o-text-overflow: ellipsis; 
    -webkit-line-clamp: 1; /* 限制在一个块元素显示的文本的行数 */
    -webkit-box-orient: vertical; /* 垂直排列 */
}
.dynamic-condition .nr .clearfix .clearfix-right li:before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 3px;
    background-color: black;
    border-radius: 100%;
    margin-right:5px;
}
.center .special{
    display: -webkit-flex;
    margin-top: 50px;
    display: flex;
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
}
.center .special img{
    width: 48%;
    margin-bottom: 10px;
}
.content .center .successful-case{
    margin-top: 20px;
}
.content .center .successful-case .title{
    width: 100%;
    padding: 5px;
    background-color: #f6fcfa;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    box-sizing: border-box;
    border-bottom: 2px solid #02e888;
}
.content .center .successful-case .title h3{
    font-weight: 600;
    font-family: 宋体;
    margin-left: 10px;
}
.content .center .successful-case .successful-case-left{
    width: 30%;
    float: left;
    margin-top: 10px;
    padding-right: 10px;
    box-sizing: border-box;
} 
.content .center .successful-case .successful-case-left img{
    width: 100%;
} 
.content .center .successful-case .successful-case-right{
    width: 70%;
    float: right;
    margin-top: 10px;
} 
.content .center .successful-case .successful-case-right li{
    font-size: 13px;
    list-style: none;
    align-items: center;
    padding: 5px 0;
    border-bottom: 1px dotted black;
    white-space: nowrap;
    overflow: hidden; 
    text-overflow:  ellipsis;
     -o-text-overflow: ellipsis; 
    -webkit-line-clamp: 1; /* 限制在一个块元素显示的文本的行数 */
    -webkit-box-orient: vertical; /* 垂直排列 */
}
.content .center .successful-case .successful-case-right li:before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 3px;
    background-color: black;
    border-radius: 100%;
    margin-right:5px;
    line-height: 20px;
}
/* 内容右 */
.successful-case .title{
    width: 100%;
    padding: 5px;
    background-color: #f6fcfa;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    box-sizing: border-box;
    border-bottom: 2px solid #02e888;
}
.successful-case .title h3{
    font-weight: 600;
    font-family: 宋体;
    margin-left: 10px;
}
.successful-case .successful-case-left{
    width: 50%;
    float: left;
    margin-top: 10px;
    padding-right: 10px;
    box-sizing: border-box;
} 
.successful-case .successful-case-left img{
    width: 100%;
    margin-bottom: 20px;
} 
.successful-case .successful-case-right{
    width: 50%;
    float: right;
    margin-top: 10px;
} 
.successful-case .successful-case-right li{
    font-size: 13px;
    list-style: none;
    align-items: center;
    padding: 5px 0;
    border-bottom: 1px dotted black;
    white-space: nowrap;
    overflow: hidden; 
    text-overflow:  ellipsis;
     -o-text-overflow: ellipsis; 
    -webkit-line-clamp: 1; /* 限制在一个块元素显示的文本的行数 */
    -webkit-box-orient: vertical; /* 垂直排列 */
}
.successful-case .successful-case-right li:before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 3px;
    background-color: black;
    border-radius: 100%;
    margin-right:5px;
    line-height: 20px;
}
.content .right .bmd{
    width: 100%;
    overflow: hidden;
    text-align: center;
}
.content .right .bmd .title{
    width: 100%;
    padding: 5px;
    background-color: #f6fcfa;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    box-sizing: border-box;
    border-bottom: 2px solid #02e888;
}
.content .right .bmd .title h3{
    font-weight: 600;
    font-family: 宋体;
    margin-left: 10px;
}
.content .right .bmd .bmd-l .bmd-swiper{
    width: 90%;
    overflow: hidden;
}
.content .right .bmd .bmd-l .bmd-button{
    width: 3%;
    height: 150px;
    background-color: black;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}
.content .right .bmd .bmd-l{
    display: flex;
    align-items: center;
    margin-top: 10px;
}
.tab-content > .tab-pane {
    display: none;
  }
.tab-content > .active {
    display: block;
  }
.content .right .bmd .tap .nav-tabs{
    display: -webkit-flex;
    display: flex;
    background-color: black;
    color: white;
    padding: 5px 0;
    margin-top: 10px;
}
.content .right .bmd .tap .nav-tabs li{
    flex-grow: 1;
    list-style: none;
    color: white;
    font-size: 13px;
}
.content .right .bmd .tap .nav-tabs li a{
    color: white;
}
.content .right .bmd .tap .nav-tabs > .active a{
    color:  #02e888;
}
.content .right .bmd .tap .tab-pane li{
    font-size: 13px;
    list-style: none;
    align-items: center;
    padding: 5px 0;
    border-bottom: 1px dotted black;
    white-space: nowrap;
    overflow: hidden; 
    text-overflow:  ellipsis;
     -o-text-overflow: ellipsis; 
    -webkit-line-clamp: 1; /* 限制在一个块元素显示的文本的行数 */
    -webkit-box-orient: vertical; /* 垂直排列 */
}
.content .right .bmd .tap .tab-pane li:before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 3px;
    background-color: black;
    border-radius: 100%;
    margin-right:5px;
    line-height: 20px;
}
.content .right .bmd .tap .tab-pane{
    text-align: initial;
}
.content .right .OxygenTec{
    margin-top: 15px;
    width: 100%;
}
.content .right .OxygenTec .title{
    width: 100%;
    padding: 5px;
    background-color: #f6fcfa;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    box-sizing: border-box;
    border-bottom: 2px solid #02e888;
}
.content .right .OxygenTec .title h3{
    font-weight: 600;
    font-family: 宋体;
    margin-left: 10px;
}
.content .right .OxygenTec .OxygenTec-l .OxygenTec-swiper{
    width: 90%;
    overflow: hidden;
}
.content .right .OxygenTec .OxygenTec-l .OxygenTec-button{
    width: 3%;
    height: 70px;
    background-color: black;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}
.content .right .OxygenTec .OxygenTec-l{
    display: flex;
    align-items: center;
    margin-top: 10px;
    width: 100%;
}
.content .right .OxygenTec .OxygenTec-l .OxygenTec-swiper .swiper-slide{
    border: 2px solid #02e888;
    box-sizing: border-box;
    transform:translate3d(0,0,0);
    overflow:hidden;
    width:24%;
    margin-right: 10px;
}
.content .right .OxygenTec .OxygenTec-l .OxygenTec-swiper .swiper-slide img{
    transform:translate3d(0,0,0);
}
.content .right .OxygenTec .tap .nav-tabs{
    display: -webkit-flex;
    display: flex;
    background-color: black;
    color: white;
    padding: 5px 0;
    margin-top: 10px;
}

.content .right .OxygenTec .tap .nav-tabs li{
    flex-grow: 1;
    list-style: none;
    color: white;
    font-size: 13px;
    text-align: center;
}
.content .right .OxygenTec .tap .nav-tabs li a{
    color: white;
}
.content .right .OxygenTec .tap .nav-tabs > .active a{
    color:  #02e888;
}
.content .right .OxygenTec .tap .tab-pane li{
    font-size: 13px;
    list-style: none;
    align-items: center;
    padding: 5px 0;
    border-bottom: 1px dotted black;
    white-space: nowrap;
    overflow: hidden; 
    text-overflow:  ellipsis;
     -o-text-overflow: ellipsis; 
    -webkit-line-clamp: 1; /* 限制在一个块元素显示的文本的行数 */
    -webkit-box-orient: vertical; /* 垂直排列 */
}
.content .right .OxygenTec .tap .tab-pane li:before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 3px;
    background-color: black;
    border-radius: 100%;
    margin-right:5px;
    line-height: 20px;
}
.content .right .media{
    width: 100%;
}
.content .right .media ul{
    width: 90%;
    margin: 0 auto;
    display: -webkit-flex;
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}
.content .right .media ul li{
    background:url(http://www.oxygentec.com/Cgangs/img/ewm-module/border.png);
    background-repeat: no-repeat;
    width: 30%;
    background-size: 100%;
    padding: 10px;
    display: block;
    box-sizing: border-box;
    
}