.container{
    width: 1280px;
    margin:0 auto;
}

.container1280{
  width: 1280px; margin:0 auto;
}
.container1440{
  width: 1440px; margin:0 auto;
}





header{
    width: 100%;
    height: 100px;
    padding-top: 20px;
}

header .container1440{
    display: flex;
    align-items: center;
}

.flex{display: flex;}

.logo{
    flex: 0 1 200px;
}

.logo img{
    width:200px;
}

.nav{
    flex: 0 1 900px;
    position: relative;
}

.language{
    position: absolute;
    right: 100px;
    top: -10px;
}
.language a span{
    color:#999;
}




.foot-bg{
    width: 100%;
    height: 496px;
    background-color: #434343;
    padding:50px;
}

.foot1{
    display: flex;
    height: 60px;
    width: 800px;
    margin: 0 auto;
}
.foot1 a{flex: 1 0 auto;text-align: center;color: #cccccc;font-size: 15px;position: relative;}
.foot1 a::after{position:absolute;content:"";width:1px;height: 24px;
    background-color:#999;
    right: 0;
}

.foot2{
    width: 600px;
    height: 100px;
    margin:0 auto;
    padding-left:70px;
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(2, 48%);
    grid-column-gap: 4%;
    grid-row-gap:10px;
    grid-template-rows: 40px;
}

.foot2 p{color:#fff;}

.foot3{width: 600px;margin: 0 auto;}

.foot3 p{color: #fff;}

.foot4{width: 600px;margin: 30px auto;display: flex;}
.foot4 .erweima{
    flex: 0 1 45%;
    text-align: center;
}
.foot4 .erweima img{
    width: 140px;height: 140px;
    
}

.foot4 .erweima p{
    color: #fff;
    
}