.bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -99;
    background-color: #000;
}

.logo {
    position: absolute;
    top: 0;
    left: 0;
    /* width: 100%; */
    margin-top: 40px;
    padding: 6px 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    z-index: 20;
}

.logo:hover{
    cursor: pointer;
}

.logo-span {
    font-size: 20px;
    color: #fff;
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    font-weight: 900;
}

.line {
    height: 10px;
    width: 2px;
    background-color: #fff;
    margin: 0 7px 0 8px;
}

.logo-img {
    margin-left: 40px;
}

.logo-title {
    margin-left: 255px;
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    font-size: 36px;
    color: #FFFFFF;
    letter-spacing: 0;
}