*{
    padding: 0;
    margin: 0;
}

ul, li{
    margin:0;
    padding:0;
    list-style: none;
}

.clearfix:after{
	content: ””;
	display: block;
	height: 0;
	clear: both;
	visibility: hidden;
}

.clearfix{
	*zoom: 1;
}

html{
    width: 100%;
    
}

body{
    position: relative;
    /* overflow-x: auto; */
    /* overflow-y: scroll; */
    width: 1200px;
    /* width: 100%; */
    margin: auto;
    /* width: calc(100% + 1rem);  */

    /* position: relative;
    width: calc(100% + 1rem); 
    border-right: 1px solid #ebebeb;
    height: 100%;
    overflow: auto;
    overflow-y: overlay;
    -ms-overflow-style: -ms-autohiding-scrollbar; */
    /* padding: 30px 30px $bottom-margin; */
}


.en{
    font-family: sans-serif;
    font-weight: 300;
}

/* --------------页眉------------- */

.header{
    /* width: 1366px; */
    position: fixed;
    /* left: 0; */
    /* width: 100%; */
    width: 1200px;
    /* width: calc(100% + 1rem);  */

    height: 120px;
    background-color: white;
    border-bottom: 1px solid #e4e3e3;
    top: 0px;
    z-index: 5;
    /* overflow: hidden; */
    /* overflow-x: scroll; */

    /* display: block; */
}

.header .logo{
    position: absolute;
    /* float: left; */
    /* display: inline-block; */
    height: 90px;
    /* width: 375px; */
    
    width: 400px;
    /* width: 29.28%; */
    /* margin-left: 5%; */
    background-color: #e4e3e3;
    text-align: center;
    /* padding-top: 40px; */
    /* line-height: 120px; */
    padding-top: 30px;
    /* font-size: 26px; */
}

.header .logo span{
    display: block;
}

.header .logo .zh{
    font-size: 32px;
    font-family: "黑体";
}

.header .logo .en{
    font-size: 24px;
    font-family: "times new roman";
}

.header .logo a {
    text-decoration: none;
    color: black;
}

.header .menu{
    position: absolute;
    left: 58%;
    transform: translate(-50%,0);
    /* overflow: hidden; */
    /* width: 40%; */
    /* background-color: yellow; */
}

.menu li{
    display: inline-block;
    line-height: 119px;
    text-align: center;
}

.menu li a{
    text-decoration: none;
    display: inline-block;
    width: 90px;
    height: 118px;
    padding-left: 10px;
    padding-right: 10px;
    font-size: 16px;
    color: black;
}

.menu a:hover{
    /* background-color: skyblue; */
    border-bottom: 2px solid skyblue;
}

.header .lang{
    float: right;
    /* display: inline-block; */
    height: 20px;
    /* background-color: yellow; */
    color: black;
    margin-right: 10px;
}
.header .lang a{
    text-decoration: none;
    color: black;
}
.header .lang a:hover{
    color: skyblue;
}


/* --------------------------- */
.empty{
    /* width: 1365px; */
    /* width: 100%; */
    width: 1200px;
    /* width: calc(100% + 1rem);  */

    height: 120px;
}
/* --------------首页------------- */

.bgi1{
    /* width: 1365px; */
    position: relative;
    width: 1200px;
    /* width: 1200px; */
    /* width: calc(100% + 1rem);  */
    height: 640px;
    background-image: url("../img/img10.jpg");
    background-repeat: no-repeat;
    /* background-position: center; */
    background-size: 100% 100%;
    /* background-size: cover; */
    background-attachment: fixed;
    /* background-color: pink; */
    
}

.bgi1 .bgi-word{
    position: absolute;
    /* top: 200px;
    left: 200px; */
    top: 30%;
    left: 15%;
    font-size: 45px;
    color: white;
}
.bgi1 .bgi-word2{
    position: absolute;
    /* top: 300px;
    left: 200px; */
    top: 42%;
    left: 15%;
    font-size: 20px;
    color: white;
}

/* --------------------------- */
.box-top{
    position: relative;
    height: 250px;
    /* width: calc(100% + 1rem);  */

    background-color: white;
    /* text-align: center; */
}

.box-top span{
    position: absolute;
    left: 50%;
    top:  50%;
    transform: translate(-50%,-50%);
    font-size: 30px;
    /* background-color: pink; */

}

.box{
    height: 480px;
    /* width: 1366px; */
    width: 100%;
    /* width: calc(100% + 1rem);  */

}

.box1, .box2, .box3{
    float: left;
    height: 300px;
    /* width: 455px; */
    width: 33.3333333%;
    background-color: white;
    background-repeat: no-repeat;
    background-size: 100% 300px;
}
.box .box1{
    background-image: url("../img/box1.jpg");
}

.box .box2{
    background-image: url("../img/box2.jpg");
}

.box .box3{
    background-image: url("../img/box3.jpg");
}

.word1, .word2, .word3{
    /* display: inline-block; */
    float: left;
    height: 110px;
    /* width: 455px; */
    width: 33.3333333%;
    background-color: #e4e3e3;
    text-align: center;
    padding-top: 70px;  
    font-size: 25px;
}

.about-us, .about-us-discrip, .about-us-bg{
    /* width: 1366px; */
    width: 100%;
}


/* -------------关于我们-------------- */


.about-us{
    /* height: 80px;
    padding-top: 30px; */
    height: 120px;
    line-height: 120px;
    font-size: 30px;
    font-weight: 400;
    background-color:white;
    text-align: center;
}


.about-us-discrip p{
    width: 600px;
    margin: 0 auto;
    text-indent: 2em;
    line-height: 2em;
    font-size: 18px;
    /* background-color: pink; */
}

.about-us-bg{
    margin-top: 50px;
    /* width: 1366px; */
    width: 100%;
    height: 600px;
    /* background-color: pink; */
    background-image: url("../img/shanghai.jpg");
    background-repeat: no-repeat;
    background-size: cover;
}
/* --------------产品介绍------------- */

.product-list{
    position: relative;
    margin: 0 auto;
    /* width: 1366px; */
    width: 100%;
    height: 1180px;
    background-color: white;
    background-image: url("../img/product-img.jpg");
    background-size: 100% 1500px;
    background-repeat: no-repeat;
    background-position: top;
}

.product-word{
    position: absolute;
    left: 50%;
    top:  0;
    transform: translate(-50%,0);
    width: 300px;
    height: 120px;
    /* background-color: pink; */
    font-size: 30px;
    font-weight: 400;
    text-align: center;
    line-height: 120px;
}

.product-list table{
    position: absolute;
    left: 50%;
    top: 120px;
    transform: translate(-50%,0);
    width: 800px;
    height: 800px;
    border: 1px solid grey;
    /* border-collapse: collapse; */
}

.product-list table th{
    border: 1px solid grey;
}

.product-list table td{
    border: 1px solid grey;
    text-indent: 1em;
}



.basic, .fine, .api, .pipe{
    width: 160px;
    text-align: center;
}

.basic, .fine, .api, .pipe{
    text-indent: 0 !important; 
}

/* --------------联系方式------------- */
.contact{
    position: relative;
    /* width: 1366px; */
    width: 100%;
    height: 600px;
    margin: 0 auto;
}

.contact .contact-bg{
    /* width: 1366px; */
    width: 100%;
    height: 600px;
    opacity: 0.1;
}

.contact-info{
    position: absolute;
    left: 55%;
    top:  50%;
    transform: translate(-50%,-50%);
    /* width: 500px; */
    height: 300px;
    font-weight: bold;
}

/* -------------页脚-------------- */

.footer{
    position: relative;
    height: 200px;
    /* width: 1366px; */
    width: 100%;
    /* width: calc(100% + 1rem);  */

    /* background-color: pink; */
    border-top: 1px solid #e4e3e3;
}
.footer .ft-logo{
    display: inline-block;
    position: absolute;
    text-decoration: none;
    color: black;
    height: 40px;
    width: 230px;
    text-align: center;
    /* margin-top: 50px;
    margin-left: 180px; */
    top: 40%;
    left: 12%;
    /* background-color: red; */
}
.footer .ft-address{
    display: inline-block;
    position: absolute;
    /* margin-left: 200px;
    margin-top: 40px; */
    top: 30%;
    left: 45%;
}
.footer .ft-contact{
    display: inline-block;
    position: absolute;
    /* margin-left: 600px;
    margin-top: 40px; */
    top: 30%;
    left: 75%;
}
.copyright{
    position: relative;
    display: block;
    /* width: 100%; */
    height: 50px;
    line-height: 50px;
    background-color: #e4e3e3;
    text-indent: 180px;
    font-family: '微软雅黑';
    font-size: 12px;
}

.copyright img{
    position: absolute;
    left: 44%;
    top:  50%;
    transform: translate(-50%,-50%);
}

.copyright .license-logo{
    position: absolute;
    left: 78%;
    top:  50%;
    transform: translate(-50%,-50%);
}

.copyright div{
    position: absolute;
    left: 43%;
    top:  50%;
    transform: translate(-50%,-50%);
    /* background-color: white; */
}

.copyright div a{
    text-decoration: none;
    color: black;

}
.copyright div a:hover{
    color: skyblue;
}