html,
body {
    margin: 0;
    border: none;
    padding: 0;
    height: 100%;
    font-family: "Noto Sans SC";
}
div,
span{
    font-family: "Noto Sans SC";
}

.about_pic {
    display: block;
    width: 100%;
}

.buy_btn {
    width: 6.7rem;
    height: 1.5rem;
    position: fixed;
    left: 0;
    right: 0;
    margin: 0 auto;
    bottom: 0;
    border-radius: 1rem;
    overflow: hidden;
    display: flex;

    .left {
        width: 3.35rem;
        height: 1rem;
        background: #fcd758;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        font-size: .3rem;
        color: #995916;
        font-weight: 500;

        .top {
            margin-bottom: .1rem;
        }
    }



    .right {
        width: 3.35rem;
        height: 1rem;
        background: #ff6a67;
        line-height: 1rem;
        color: #fff;
        font-size: .4rem;
        text-align: center;
        font-weight: 500;
    }

    .none {
        background: #929292;
    }
}