.header_forum {
    width: 100%;
    height: 76px;
    border-bottom: 1px solid #ebecec;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #ffffff;
    z-index: 999;
}


.header_nav {
    width: 1280px;
    margin: 0px auto;
    display: flex;
    overflow: hidden;
}


.header_img {
    display: block;
    width: 200px;
    height: 60px;
    margin-top: 10px;
}

.header_li {
    display: flex;
    margin-top: 5px;
}

.header_li :hover {
    color: #409EFF;
}

.header_li li {
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #252B3A;
    line-height: 24px;
    margin-left: 37px !important;
    margin-top: 25px;
}

.header_li a {
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #252B3A;
}

.header_li h1 {
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #252B3A;
}

.header_console {
    display: flex;
    width: 300px;
    margin-left: 250px;
    margin-top: 8px;
}

.header_console li {
    margin-top: 25px;
    width: 50px;
}

.header_console li a {
    font-size: 16px;
    font-family: inherit;
    font-weight: 400;
    color: #252B3A;
}

.header_console li :hover {
    color: #409EFF;
}

.header_login {
    display: flex;
    overflow: hidden;

}

.header_login li {
    width: 70px;
    height: 36px;
    text-align: center;
    margin-left: 20px;
    border-radius: 18px;
    border: 1px solid #DCDFEb;
    line-height: 36px;
    margin-top: 18px;
}

.header_login li a {
    font-size: 14px;
}

.header_console_li {
    width: 110px;
    height: 36px;
    text-align: center;
    background: #007BFF;
    border-radius: 18px;
    line-height: 35px;
    z-index: 99;
    margin: auto;
    margin-top: 18px;
    margin-left: 20px;
    border: 1px solid #007BFF;
}

.header_console_li a {
    font-family: inherit;
    font-size: 14px;
    color: #fff;
}