*{
    margin: 0;
    padding: 0;
}
html{
    background: #0b1933;
}
body {
    font-family: "Microsoft Yahei";
    font-size: 0.875rem;
    max-width: 120rem;
    margin: 0 auto;
    padding: 0;
    background: #0b1933;
}
.btn_a{
    width: 100%;
    height: auto;
}
.btn_a > img{
    width: 100%;
    min-width: 75rem;
}
.all{
    margin: 0 auto;
    width: 75rem;
    text-align: center;
}
.all>img{
    width: 100%;
}
.all>.title1{
    padding-top: 1.75rem;
    width: 100%;
}
.all>.title{
    padding-top: 4.875rem;
    width: 100%;
}
.all>.content{
    padding-top: 2.375rem;
    width: 100%;
}
.bottom{
    width: 100%;
    height: 11.875rem;
    margin-top: 5rem;
    padding-bottom: 3.75rem;
}
.bottom>.bottom_flot{
    width: 35.25rem;
    height: 11.875rem;
    font-size: 0.875rem;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #677898;
    line-height: 2.25rem;
    float: left;
    text-align: left;
}
.bottom>.bottom_right{
    height: 11.875rem;
    float: right;
}
.bottom>.bottom_right>img{
    width: 6.25rem;
    height: 6.25rem;
}
.bottom>.bottom_right>p{
    margin-top: 0.9375rem;
    font-size: 0.875rem;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #00FEF6;
    line-height: 2.5rem;
    text-align: center;
}