body{
    background-color: #f2f2f2;
}
.product-nav{
    padding: 30px 20px;
    background-color: #fff;
    box-shadow: 1px 1px 10px #ccc;
    margin-top: 30px;
    margin-bottom: 10px;
    color: #595959;
}
.product-nav h2{
    display: inline-block;
    vertical-align: middle;
    margin: 0;
    font-size: 18px;
    font-weight: bolder;
}
.product-nav h2 span{
    margin-left: 20px;
    font-size: 14px;
    font-weight: initial;
}
.product-nav .des{
    display: inline-block;
    vertical-align: middle;
    margin-left: 500px;
}
.product-nav a{
    vertical-align: middle;
    float: right;
    color: #595959;
    border-radius: 30px;
    border: 1px solid #595959;
    padding: 2px 10px;
}
.product{
    margin-top: 30px;
    margin-bottom: 30px;
}
.product ul li a{
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    color: #595959;
}
.product ul li{
    box-shadow: 1px 1px 77px #ccc;
    background-color: #fff;
    float: left;
    margin: 0px 17px 15px;
    width: 150px;
    height: 150px;
    position: relative;
}
.product ul .active{
    box-shadow: 8px 7px 7px #999;
}
.product ul li:last-child{
    margin-right: 0;
}
.product ul li .pic{
    width: 100%;
    height: 100%;
}
.product ul li .pic img{
    width: 100%;
}
.product ul li h3{
    padding: 5px 0;
    width: 100%;
    margin: 0;
    color: #333;
    font-weight: inherit;
    font-size: 18px;
    letter-spacing: 0.2rem;
    z-index: 100;
    position: absolute;
    bottom: 15px;
}
.pro-list{
    margin-top: 20px;
    display: none;
}
.pro-list .pro-li{
    width: 393px;
    height: 310px;
    margin-right: 50px;
    border: 1px solid #ff7b00; 
    float: left;
    text-align: center;
    color: #555;
    position: relative;
    margin-bottom: 50px;
}
.pro-list .pro-li:hover{
    border: 1px solid #333; 
    box-shadow: 0 0 10px #333;
}
.pro-list .pro-li img{
    width: 100%;
}
.pro-list .pro-li:nth-child(3n){
    margin-right: 0;
}
.pro-list .pro-li .hide{
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    padding: 10px;
    color: #fff;
    left: 0;
    top: 0;
    display: none;
}
.pro-list .pro-li span{
    display: block;
    margin: -6px 0;
}
.pro-list .pro-li h4{
    margin: 5px 0;
    font-size: 20px;
    font-weight: bold;
}
.pro-list .pro-li .hide p{
    text-indent: 2em;
    text-align: left;
    font-size: 18px;
    letter-spacing: 3px;
    padding: 30px 40px 0;
}

.long h1{
    text-align: center;
    margin: 70px 0;
    font-size: 30px;
    font-weight: bolder;
    position: relative;
}
.long h1:before{
    content: '';
    width: 30%;
    position: absolute;
    left: 0;top: 50%;
    background-color: #595959;
    height: 1px;
}
.long h1:after{
    content: '';
    width: 30%;
    position: absolute;
    right: 0;top: 50%;
    background-color: #595959;
    height: 1px;
}
.long li{
    width: 393px;
    margin-right: 50px;
    float: left;
    margin-bottom: 20px;
}
.long li:nth-child(3n){
    margin-right: 0;
}
.long li .pic{
    width: 100%;
    height: 250px;
    position: relative;
}
.long li .pic img{
    width: 100%;
    height: 100%;
}
.long li .pic .hide-des{
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    top: 0;
    left: 0;
    color: #fff;
    padding: 50px 40px;
    font-size: 18px;
    text-indent: 2em;
    display: none;
}
.long li h3{
    margin: 10px 0;
    font-weight: bolder;
    font-size: 20px;
    color: #666;
}

.source{
    margin: 30px auto;
}
.source h1{
    text-align: center;
    position: relative;
    font-size: 30px;
    font-weight: bold;
}
.source h1:before{
    content: '';
    width: 30%;
    position: absolute;
    left: 5%;top: 50%;
    background-color: #ccc;
    height: 1px;
}
.source h1:after{
    content: '';
    width: 30%;
    position: absolute;
    right: 5%;top: 50%;
    background-color: #ccc;
    height: 1px;
}
.source .des{
    text-align: center;
    margin-bottom: 50px;
    font-size: 18px;
    color: #666;
}
.source li{
    width: 393px;
    margin-right: 50px;
    padding: 0 50px;
    float: left;
    text-align: center;
}
.source li:nth-child(3n){
    margin-right: 0;
}
.source li .pic{
    width: 250px;
    height: 250px;
    position: relative;
}
.source li img{
    width: 100%;
    margin: 20px;
}
.source li .hide-word{
    display: none;
    background-color: rgba(0,0,0,0.7);
    width: 250px;
    height: 250px;
    color: #fff;
    text-align: center;
    border-radius: 100%;
    position: absolute;
    top: 20px;
    left: 20px;
}
.source li .hide-word img{
    width: 32px;
}
.source li .hide-word span{
    display: block;
    margin-top: 130px;
    margin-bottom: 10px;
    font-size: 20px;
}
.source li h3{
    text-align: center;
    font-size: 20px;
    font-weight: bold;
}
.source li p{
    text-indent: 2em;
    font-size: 14px;
    text-align: left;
}
.source i{
    text-align: center;
    display: block;
    width: 55px;
    margin: 70px auto 50px;
    background-color: #ec8819;
    color: #fff;
    border-radius: 100%;
    padding: 5px 12px;
}

.mid-bar{
    height: 130px;
    background:url("../image/bg1.jpg")/*tpa=https://www.osgreenbo.com/home/image/bg1.jpg*/ no-repeat;
    color: #fff;
    text-align: center;
}
.mid-bar h4{
    padding-top: 10px;
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: inherit;
    letter-spacing: 0.2rem;
}
.mid-bar h2{
    font-size: 16px;
    margin: 10px 0 15px 0;
    font-weight: initial;
    letter-spacing: 0.2rem;
}
.mid-bar a{
    font-size: 14px;
    color: #fff;
    margin: 0 50px;
    border: 2px solid #fff;
    border-radius: 5px;
    padding: 3px 20px;
}
.mid-bar a:hover{
    background-color: #fff;
    color: #555;
}

.cooperation{
    color: #595959;
    background-color: #fff;
    padding-top: 70px;
    padding-bottom: 30px;
}
.cooperation h1{
    margin-top: 0;
    font-size: 27px;
    color: #444;
    font-weight: bolder;
    text-align: center;
    position: relative;
    margin-bottom: 50px;
}
.cooperation h1:before{
    content: '';
    width: 25%;
    position: absolute;
    left: 10%;top: 50%;
    background-color: #ccc;
    height: 1px;
}
.cooperation h1:after{
    content: '';
    width: 25%;
    position: absolute;
    right: 10%;top: 50%;
    background-color: #ccc;
    height: 1px;
}
.cooperation .left, .cooperation .mid, .cooperation .right{
    width: 33.3%;
    float: left;
}
.cooperation .box{
    height: 170px;
    margin-top: 30px;
}
.cooperation .left .word1{
    text-align: right;
    display: inline-block;
    width: 70%;
    float: left;
}
.cooperation .left .word1 h2{
    margin: 10px 0;
    font-weight: 550;
}
.cooperation .left .word1 p{
    margin: 5px 0;
}
.cooperation .left .pic1{
    display: inline-block;
    float: right;
    border-radius: 100%;
    background-color: #f48815;
    width: 20%;
    padding: 20px 5px;
    text-align: center;
    margin-top: 20px;
}
.cooperation .left .pic1 img{
    width: 60%;
}

.cooperation .right .word2{
    text-align: left;
    display: inline-block;
    width: 70%;
    float: right;
}
.cooperation .right .word2 h2{
    margin: 10px 0;
    font-weight: 550;
}
.cooperation .right .word2 p{
    margin: 5px 0;
}
.cooperation .right .pic2{
    display: inline-block;
    float: left;
    border-radius: 100%;
    background-color: #f48815;
    width: 20%;
    padding: 20px 5px;
    text-align: center;
    margin-top: 20px;
}
.cooperation .right .pic2 img{
    width: 60%;
}
.cooperation .mid img{
    width: 100%;
}

.factory{
    margin: 50px auto 0;
    padding-bottom: 50px;
}
.factory h1{
    text-align: center;
    padding: 50px 0 30px 0;
    font-size: 28px;
    font-weight: bolder;
    color: #333;
    letter-spacing: 0.2rem;
    position: relative;
}
.factory h1::before{
    content: '';
    position: absolute;
    width: 50px;
    height: 4px;
    background-color: #fc8812;
    left: 50%;
    margin-left: -25px;
    top: 30px;
}
.factory .huanjing .left{
    width: 400px;
    height: 400px;
    float: left;
    margin-right: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 1px 1px 20px #777;
}
.factory .huanjing .left img{
    width: 100%;
    transition: all 0.5s;
}
.factory .huanjing .left img:hover{
    transform: scale(1.2);
}
.factory .huanjing .left h2{
    position: absolute;
    left: 0;
    bottom: 0;
    padding: 10px;
    color: #fff;
    background-color: rgba(0,0,0,0.7);
    text-align: center;
    width: 100%;
    margin: 0;
    font-weight: bold;
}
.factory .huanjing .right{
    width: 850px;
    float: right;
}
.factory .huanjing .right .right-li{
    width: 255px;
    margin-right: 35px;
    margin-bottom: 35px;
    position: relative;
    float: left;
    overflow: hidden;
    box-shadow: 1px 1px 20px #777;
}
.factory .huanjing .right .right-li h3{
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    margin: 0;
    padding: 5px;
    color: #fff;
    background-color: rgba(0,0,0,0.7);
    text-align: center;
    font-weight: inherit;
}
.factory .huanjing .right .right-li:nth-child(3n){
    margin: 0;
}
.factory .huanjing .right .right-li img{
    width: 100%;
    transition: all 0.5s;
}
.factory .huanjing .right .right-li img:hover{
    transform: scale(1.3);
}
.factory .zhengshu{
    margin: 50px auto;
}
.factory .zhengshu .z-li{
    width: 196.6px;
    float: left;
    margin-right: 20px;
}
.factory .zhengshu .z-li:hover{
    box-shadow: 0 0 20px #555;
}
.factory .zhengshu .z-li:last-child(){
    margin-right: 0;
}
.factory .zhengshu .z-li img{
    width: 100%;
    height: 270px;
}

.bottom-bar{
    height: 300px;
    background:url("../image/bg2.jpg")/*tpa=https://www.osgreenbo.com/home/image/bg2.jpg*/ no-repeat;
    color: #fff;
    text-align: center;
}
.bottom-bar .bottom-box{
    width: 900px;
    margin: 0 auto;
}
.bottom-bar h2{
    padding: 20px 0 10px 0;
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 0.2rem;
    line-height: 40px;
}
.bottom-bar .li-box{
    width: 450px;
    float: left;
    margin-bottom: 10px;
    height: 70px;
    padding-left: 70px;
}
.bottom-bar .li-box .pic{
    display: inline-block;
    background-color: #f38816;
    border-radius: 100%;
    padding: 15px;
    float: left;
}
.bottom-bar .li-box .spic{
    margin-top: 10px;
}
.bottom-bar .li-box .pic img{
    width: 32px;
}
.bottom-bar .li-box .des{
    float: left;
    text-align: left;
    margin-left: 40px;
}
.bottom-bar .li-box h4{
    font-size: 18px;
    font-weight: bold;
    margin: 0;
}
.bottom-bar .li-box p{
    margin: 5px 0;
    font-size: 14px;
    font-weight: initial;
    letter-spacing: 0.2rem;
}

.new-bar{
    padding: 15px 0;
    background-color: #3f3f3f;
    color: #fff;
    position: relative;
}
.new-bar .new-btn{
    font-size: 0;
    width: 250px;
    position: absolute;
    left: 50%;
    margin-left: -125px;
    top: 20px;
    text-align: center;
}
.new-bar .new-btn a{
    color: #fff;
    font-size: 18px;
    font-weight: initial;
    border: 1px solid #fff;
    padding: 3px 5px;
}
.new-bar .new-btn a:nth-child(1){
    padding-left: 20px;
    border-radius: 20px 0 0 20px;
}
.new-bar .new-btn a:nth-child(2){
    padding-right: 20px;
    border-radius: 0 20px 20px 0;
}
.new-bar .new-btn .active{
    background-color: #fff!important;
    color: #3f3f3f!important;
}
.new-bar .more{
    float: right;
    color: #fff;
    border-radius: 15px;
    border: 1px solid #fff;
    padding: 3px 10px;
}
.new .buss-box{
    margin: 10px auto;
    background-color: #fff;
    box-shadow: 1px 1px 10px #ccc;
    padding: 15px;
}
.new .buss-box .left{
    width: 600px;
    float: left;
}
.new .buss-box .left h2{
    font-weight: bold;
    display: inline-block;
}
.new .buss-box .left h4{
    display: inline;
    margin-left: 15px;
    color: #555;
}
.new .buss-box .right{
    float: right;
    width: 600px;
    padding: 10px;
}
.new .buss-box .right p{
    text-indent: 2em;
    font-size: 15px;
    color: #555;
}
.new-box{
    margin: 10px auto 0;
    display: none;
}
.new-box .left-new{
    width: 65%;
    float: left;
}
.new-box .head-new{
    padding: 10px;
    background-color: #fff;
    margin-bottom: 22px;
    box-shadow: 0 0 10px #ccc;
}
.new-box .head-new .pic{
    width: 150px;
    height: 100px;
    float: left;
}
.new-box .head-new .pic img{
    width: 100%;
}
.new-box .head-new .des{
    float: left;
    width: 500px;
    padding: 0 15px;
}
.new-box .head-new .des h2{
    font-size: 17px;
    margin: 5px 0;
}
.new-box .head-new .des p{
    text-indent: 2em;
    font-size: 14px;
    margin: 5px 0;
    color: #555;
}
.new-box .head-new .des a{
    padding: 0px 15px;
    background-color: #dddddd;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    font-weight: bolder;
}
.new-box .head-new .date{
    background-color: #413f39;
    width: 150px;
    height: 130px;
    float: right;
    color: #fff;
    text-align: center;
}
.new-box .head-new .date p{
    margin: 5px 0;
}
.new-box .head-new .date h1{
    margin: 0;
    font-size: 40px;
    line-height: 45px;
    font-weight: bold;
}
.new-box .right-answer{
    width: 33%;
    background-color: #fff;
    box-shadow: 0 0 5px #ccc;
    float: right;
}
.new-box .right-answer ul{
    padding: 15px;
}
.new-box .right-answer h2{
    text-align: center;
    background-color: #ec8819;
    color: #fff;
    margin-bottom: 10px;
    padding: 5px 0;
    padding-left: 100px;
    font-weight: bold;
}
.new-box .right-answer h2 a{
    padding: 2px 5px;
    border: 1px solid #fff;
    color: #fff;
    border-radius: 5px;
    font-size: 14px;
    font-weight: inherit;
    float: right;
    margin-right: 20px;
    margin-top: 3px;
}
.new-box .right-answer h2 a:hover{
    background-color: #fff;
    color: #ec8819;
}
.new-box .right-answer li i{
    width: 24px;
    height: 24px;
    vertical-align: middle;
    color: #fff;
    text-align: center;
    border-radius: 3px;
    text-align: center;
    box-shadow: 1px 1px 5px #ccc;
    margin-right: 10px;
}
.new-box .right-answer li h4 i{
    background-color: #ed6b75;
}
.new-box .right-answer li p i{
    background-color: #36c6d3;
}
.new-box .right-answer li h4{
    margin-bottom: 10px;
}
.new-box .right-answer li p{
    margin: 5px 0 15px;
}