header{
    width: 100%;
    height: auto;
}
.headerbox{
    margin: 0 auto;
    width: 1920px;
    height: auto;
}
header #top{
    width: 1920px;
    height: 76px;
    margin: 0 auto;
    display: flex;
}
#top img{
    margin-left: 360px;
    width: 77px;
    height: 76px;
}
#top ul{
    width: 620px;
    height: 76px;
    display: flex;
    margin-left: 530px;
    margin-top: 0;
}
#top ul li{
    height: 76px;
    list-style: none;
    width: 120px;
    text-align: center;
} 
#top ul li a img{
    width: 10px;
    height: 7px;
    margin-left: 5px;
}
#top ul li a{
    text-decoration: none;
    color: #354070;
    line-height: 76px;
    font-size: 12px;
}
#top ul li:hover a{
    color: #189afc;
}
main{
    width: 1920px;
    height: auto;
    margin: 0 auto;
}
.mainbox{
    width: 1200px;
    height: auto;
    margin: 0 auto;
}
h1{
    font-size: 50px;
    margin-top: 0;
    color: #273266;
}
h1 span{
    color: #189afc;
}
button{
    width: auto;
    height: 48px;
    background: #189afc;
    color: #fff;
    line-height: 48px;
    text-align: center;
    outline: none;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    margin-top: 33px;
}
footer{
    width:100%;
    height: 148px;
}
.footerbox{
    width: 1920px;
    height: 150px;
    background: #131933;
    color: #fff;
    margin: 0 auto;
}
.footerbox .footon{
    width: 1200px;
    height: 95px;
    margin: 0 auto;
    border-bottom: 1px solid #3a3f55;
    display: flex;
}
.footon img{
    width: 59px;
    height: 53px;
    margin-top: 23px;
}
.footon ul{
    width: 620px;
    height: 95px;
    display: flex;
    margin-left: 530px;
    margin-top: 0;
}
.footon ul li{
    height: 95px;
    list-style: none;
    width: 120px;
    text-align: center;
} 
.footon ul li a img{
    width: 14px;
    height: 7px;
    margin-left: 5px;
}
.footon ul li a{
    text-decoration: none;
    color: #fff;
    line-height: 95px;
    font-size: 12px;
}
.footdown{
    text-align: center;
    width: 1200px;
    height: 55px;
    margin: 0 auto;
    color: #8c8f97;
    line-height: 55px;
}